Commit | Line | Data |
---|---|---|
d7418ba7 | 1 | This file contains a description of all the shell variables whose value is |
2 | determined by the Configure script. Variables intended for use in C | |
ebc74a4b GS |
3 | programs (e.g. I_UNISTD) are already described in config_h.SH. [`configpm' |
4 | generates pod documentation for Config.pm from this file--please try to keep | |
5 | the formatting regular.] | |
d7418ba7 | 6 | |
781b178c JH |
7 | _a (Unix.U): |
8 | This variable defines the extension used for ordinary libraries. | |
9 | For unix, it is '.a'. The '.' is included. Other possible | |
10 | values include '.lib'. | |
11 | ||
12 | _exe (Unix.U): | |
13 | This variable defines the extension used for executable files. | |
14 | For unix it is empty. Other possible values include '.exe'. | |
15 | ||
16 | _o (Unix.U): | |
17 | This variable defines the extension used for object files. | |
18 | For unix, it is '.o'. The '.' is included. Other possible | |
19 | values include '.obj'. | |
20 | ||
21 | afs (afs.U): | |
22 | This variable is set to 'true' if AFS (Andrew File System) is used | |
23 | on the system, 'false' otherwise. It is possible to override this | |
24 | with a hint value or command line option, but you'd better know | |
25 | what you are doing. | |
26 | ||
27 | alignbytes (alignbytes.U): | |
28 | This variable holds the number of bytes required to align a | |
87b71857 JH |
29 | double-- or a long double when applicable. Usual values are |
30 | 2, 4 and 8. The default is eight, for safety. | |
781b178c JH |
31 | |
32 | ansi2knr (ansi2knr.U): | |
33 | This variable is set if the user needs to run ansi2knr. | |
34 | Currently, this is not supported, so we just abort. | |
35 | ||
36 | aphostname (d_gethname.U): | |
37 | This variable contains the command which can be used to compute the | |
38 | host name. The command is fully qualified by its absolute path, to make | |
39 | it safe when used by a process with super-user privileges. | |
40 | ||
ff935051 JH |
41 | api_revision (patchlevel.U): |
42 | The three variables, api_revision, api_version, and | |
43 | api_subversion, specify the version of the oldest perl binary | |
44 | compatible with the present perl. In a full version string | |
45 | such as '5.6.1', api_revision is the '5'. | |
46 | Prior to 5.5.640, the format was a floating point number, | |
47 | like 5.00563. | |
48 | perl.c:incpush() and lib/lib.pm will automatically search in | |
49 | $sitelib/.. for older directories back to the limit specified | |
50 | by these api_ variables. This is only useful if you have a | |
51 | perl library directory tree structured like the default one. | |
52 | See INSTALL for how this works. The versioned site_perl | |
53 | directory was introduced in 5.005, so that is the lowest | |
54 | possible value. The version list appropriate for the current | |
55 | system is determined in inc_version_list.U. | |
56 | XXX To do: Since compatibility can depend on compile time | |
57 | options (such as bincompat, longlong, etc.) it should | |
58 | (perhaps) be set by Configure, but currently it isn't. | |
59 | Currently, we read a hard-wired value from patchlevel.h. | |
60 | Perhaps what we ought to do is take the hard-wired value from | |
61 | patchlevel.h but then modify it if the current Configure | |
62 | options warrant. patchlevel.h then would use an #ifdef guard. | |
63 | ||
64 | api_subversion (patchlevel.U): | |
65 | The three variables, api_revision, api_version, and | |
66 | api_subversion, specify the version of the oldest perl binary | |
67 | compatible with the present perl. In a full version string | |
68 | such as '5.6.1', api_subversion is the '1'. See api_revision for | |
69 | full details. | |
70 | ||
71 | api_version (patchlevel.U): | |
72 | The three variables, api_revision, api_version, and | |
73 | api_subversion, specify the version of the oldest perl binary | |
74 | compatible with the present perl. In a full version string | |
75 | such as '5.6.1', api_version is the '6'. See api_revision for | |
76 | full details. As a special case, 5.5.0 is rendered in the | |
77 | old-style as 5.005. (In the 5.005_0x maintenance series, | |
78 | this was the only versioned directory in $sitelib.) | |
79 | ||
80 | api_versionstring (patchlevel.U): | |
81 | This variable combines api_revision, api_version, and | |
82 | api_subversion in a format such as 5.6.1 (or 5_6_1) suitable | |
83 | for use as a directory name. This is filesystem dependent. | |
781b178c JH |
84 | |
85 | ar (Loc.U): | |
5bf26616 | 86 | This variable is used internally by Configure to determine the |
781b178c JH |
87 | full pathname (if any) of the ar program. After Configure runs, |
88 | the value is reset to a plain "ar" and is not useful. | |
89 | ||
90 | archlib (archlib.U): | |
91 | This variable holds the name of the directory in which the user wants | |
92 | to put architecture-dependent public library files for $package. | |
93 | It is most often a local directory such as /usr/local/lib. | |
94 | Programs using this variable must be prepared to deal | |
95 | with filename expansion. | |
96 | ||
97 | archlibexp (archlib.U): | |
98 | This variable is the same as the archlib variable, but is | |
99 | filename expanded at configuration time, for convenient use. | |
100 | ||
101 | archname64 (use64bits.U): | |
102 | This variable is used for the 64-bitness part of $archname. | |
103 | ||
104 | archname (archname.U): | |
105 | This variable is a short name to characterize the current | |
106 | architecture. It is used mainly to construct the default archlib. | |
107 | ||
108 | archobjs (Unix.U): | |
109 | This variable defines any additional objects that must be linked | |
110 | in with the program on this architecture. On unix, it is usually | |
111 | empty. It is typically used to include emulations of unix calls | |
112 | or other facilities. For perl on OS/2, for example, this would | |
113 | include os2/os2.obj. | |
114 | ||
115 | awk (Loc.U): | |
5bf26616 | 116 | This variable is used internally by Configure to determine the |
781b178c JH |
117 | full pathname (if any) of the awk program. After Configure runs, |
118 | the value is reset to a plain "awk" and is not useful. | |
119 | ||
120 | baserev (baserev.U): | |
121 | The base revision level of this package, from the .package file. | |
122 | ||
123 | bash (Loc.U): | |
124 | This variable is defined but not used by Configure. | |
125 | The value is a plain '' and is not useful. | |
126 | ||
127 | bin (bin.U): | |
128 | This variable holds the name of the directory in which the user wants | |
129 | to put publicly executable images for the package in question. It | |
130 | is most often a local directory such as /usr/local/bin. Programs using | |
131 | this variable must be prepared to deal with ~name substitution. | |
132 | ||
d71b2b6b | 133 | bincompat5005 (bincompat5005.U): |
f78bfc9c JH |
134 | This variable contains y if this version of Perl should be |
135 | binary-compatible with Perl 5.005. | |
d71b2b6b | 136 | |
781b178c JH |
137 | binexp (bin.U): |
138 | This is the same as the bin variable, but is filename expanded at | |
139 | configuration time, for use in your makefiles. | |
140 | ||
141 | bison (Loc.U): | |
142 | This variable is defined but not used by Configure. | |
143 | The value is a plain '' and is not useful. | |
144 | ||
145 | byacc (Loc.U): | |
5bf26616 | 146 | This variable is used internally by Configure to determine the |
781b178c JH |
147 | full pathname (if any) of the byacc program. After Configure runs, |
148 | the value is reset to a plain "byacc" and is not useful. | |
149 | ||
150 | byteorder (byteorder.U): | |
151 | This variable holds the byte order. In the following, larger digits | |
152 | indicate more significance. The variable byteorder is either 4321 | |
153 | on a big-endian machine, or 1234 on a little-endian, or 87654321 | |
154 | on a Cray ... or 3412 with weird order ! | |
155 | ||
156 | c (n.U): | |
157 | This variable contains the \c string if that is what causes the echo | |
158 | command to suppress newline. Otherwise it is null. Correct usage is | |
159 | $echo $n "prompt for a question: $c". | |
160 | ||
161 | castflags (d_castneg.U): | |
162 | This variable contains a flag that precise difficulties the | |
163 | compiler has casting odd floating values to unsigned long: | |
164 | 0 = ok | |
165 | 1 = couldn't cast < 0 | |
166 | 2 = couldn't cast >= 0x80000000 | |
167 | 4 = couldn't cast in argument expression list | |
168 | ||
169 | cat (Loc.U): | |
5bf26616 | 170 | This variable is used internally by Configure to determine the |
781b178c JH |
171 | full pathname (if any) of the cat program. After Configure runs, |
172 | the value is reset to a plain "cat" and is not useful. | |
173 | ||
174 | cc (cc.U): | |
175 | This variable holds the name of a command to execute a C compiler which | |
176 | can resolve multiple global references that happen to have the same | |
5869b1f1 JH |
177 | name. Usual values are 'cc' and 'gcc'. |
178 | Fervent ANSI compilers may be called 'c89'. AIX has xlc. | |
781b178c JH |
179 | |
180 | cccdlflags (dlsrc.U): | |
181 | This variable contains any special flags that might need to be | |
182 | passed with 'cc -c' to compile modules to be used to create a shared | |
183 | library that will be used for dynamic loading. For hpux, this | |
184 | should be +z. It is up to the makefile to use it. | |
185 | ||
186 | ccdlflags (dlsrc.U): | |
187 | This variable contains any special flags that might need to be | |
188 | passed to cc to link with a shared library for dynamic loading. | |
189 | It is up to the makefile to use it. For sunos 4.1, it should | |
190 | be empty. | |
191 | ||
192 | ccflags (ccflags.U): | |
193 | This variable contains any additional C compiler flags desired by | |
194 | the user. It is up to the Makefile to use this. | |
195 | ||
af960fef JH |
196 | ccflags_uselargefiles (uselfs.U): |
197 | This variable contains the compiler flags needed by large file builds | |
198 | and added to ccflags by hints files. | |
199 | ||
6b356c8e JH |
200 | ccname (Checkcc.U): |
201 | This can set either by hints files or by Configure. If using | |
202 | gcc, this is gcc, and if not, usually equal to cc, unimpressive, no? | |
203 | Some platforms, however, make good use of this by storing the | |
204 | flavor of the C compiler being used here. For example if using | |
205 | the Sun WorkShop suite, ccname will be 'workshop'. | |
206 | ||
781b178c JH |
207 | ccsymbols (Cppsym.U): |
208 | The variable contains the symbols defined by the C compiler alone. | |
52c7d5b6 JH |
209 | The symbols defined by cpp or by cc when it calls cpp are not in |
210 | this list, see cppsymbols and cppccsymbols. | |
781b178c JH |
211 | The list is a space-separated list of symbol=value tokens. |
212 | ||
6b356c8e JH |
213 | ccversion (Checkcc.U): |
214 | This can set either by hints files or by Configure. If using | |
215 | a (non-gcc) vendor cc, this variable may contain a version for | |
216 | the compiler. | |
217 | ||
781b178c JH |
218 | cf_by (cf_who.U): |
219 | Login name of the person who ran the Configure script and answered the | |
220 | questions. This is used to tag both config.sh and config_h.SH. | |
221 | ||
222 | cf_email (cf_email.U): | |
223 | Electronic mail address of the person who ran Configure. This can be | |
224 | used by units that require the user's e-mail, like MailList.U. | |
225 | ||
226 | cf_time (cf_who.U): | |
227 | Holds the output of the "date" command when the configuration file was | |
228 | produced. This is used to tag both config.sh and config_h.SH. | |
229 | ||
a22e52b9 JH |
230 | charsize (charsize.U): |
231 | This variable contains the value of the CHARSIZE symbol, which | |
232 | indicates to the C program how many bytes there are in a character. | |
233 | ||
781b178c JH |
234 | chgrp (Loc.U): |
235 | This variable is defined but not used by Configure. | |
236 | The value is a plain '' and is not useful. | |
237 | ||
238 | chmod (Loc.U): | |
239 | This variable is defined but not used by Configure. | |
240 | The value is a plain '' and is not useful. | |
241 | ||
242 | chown (Loc.U): | |
243 | This variable is defined but not used by Configure. | |
244 | The value is a plain '' and is not useful. | |
245 | ||
246 | clocktype (d_times.U): | |
247 | This variable holds the type returned by times(). It can be long, | |
248 | or clock_t on BSD sites (in which case <sys/types.h> should be | |
249 | included). | |
250 | ||
251 | comm (Loc.U): | |
5bf26616 | 252 | This variable is used internally by Configure to determine the |
781b178c JH |
253 | full pathname (if any) of the comm program. After Configure runs, |
254 | the value is reset to a plain "comm" and is not useful. | |
255 | ||
256 | compress (Loc.U): | |
257 | This variable is defined but not used by Configure. | |
258 | The value is a plain '' and is not useful. | |
259 | ||
ff935051 JH |
260 | CONFIGDOTSH (Oldsyms.U): |
261 | This is set to 'true' in config.sh so that a shell script | |
262 | sourcing config.sh can tell if it has been sourced already. | |
263 | ||
781b178c JH |
264 | contains (contains.U): |
265 | This variable holds the command to do a grep with a proper return | |
266 | status. On most sane systems it is simply "grep". On insane systems | |
267 | it is a grep followed by a cat followed by a test. This variable | |
268 | is primarily for the use of other Configure units. | |
269 | ||
270 | cp (Loc.U): | |
5bf26616 | 271 | This variable is used internally by Configure to determine the |
781b178c JH |
272 | full pathname (if any) of the cp program. After Configure runs, |
273 | the value is reset to a plain "cp" and is not useful. | |
274 | ||
275 | cpio (Loc.U): | |
276 | This variable is defined but not used by Configure. | |
277 | The value is a plain '' and is not useful. | |
278 | ||
279 | cpp (Loc.U): | |
5bf26616 | 280 | This variable is used internally by Configure to determine the |
781b178c JH |
281 | full pathname (if any) of the cpp program. After Configure runs, |
282 | the value is reset to a plain "cpp" and is not useful. | |
283 | ||
284 | cpp_stuff (cpp_stuff.U): | |
285 | This variable contains an identification of the catenation mechanism | |
286 | used by the C preprocessor. | |
287 | ||
288 | cppccsymbols (Cppsym.U): | |
52c7d5b6 JH |
289 | The variable contains the symbols defined by the C compiler |
290 | when it calls cpp. The symbols defined by the cc alone or cpp | |
291 | alone are not in this list, see ccsymbols and cppsymbols. | |
781b178c JH |
292 | The list is a space-separated list of symbol=value tokens. |
293 | ||
294 | cppflags (ccflags.U): | |
295 | This variable holds the flags that will be passed to the C pre- | |
296 | processor. It is up to the Makefile to use it. | |
297 | ||
298 | cpplast (cppstdin.U): | |
299 | This variable has the same functionality as cppminus, only it applies | |
300 | to cpprun and not cppstdin. | |
301 | ||
302 | cppminus (cppstdin.U): | |
303 | This variable contains the second part of the string which will invoke | |
304 | the C preprocessor on the standard input and produce to standard | |
305 | output. This variable will have the value "-" if cppstdin needs | |
306 | a minus to specify standard input, otherwise the value is "". | |
307 | ||
308 | cpprun (cppstdin.U): | |
309 | This variable contains the command which will invoke a C preprocessor | |
310 | on standard input and put the output to stdout. It is guaranteed not | |
311 | to be a wrapper and may be a null string if no preprocessor can be | |
312 | made directly available. This preprocessor might be different from the | |
313 | one used by the C compiler. Don't forget to append cpplast after the | |
314 | preprocessor options. | |
315 | ||
316 | cppstdin (cppstdin.U): | |
317 | This variable contains the command which will invoke the C | |
318 | preprocessor on standard input and put the output to stdout. | |
319 | It is primarily used by other Configure units that ask about | |
320 | preprocessor symbols. | |
321 | ||
322 | cppsymbols (Cppsym.U): | |
52c7d5b6 JH |
323 | The variable contains the symbols defined by the C preprocessor |
324 | alone. The symbols defined by cc or by cc when it calls cpp are | |
325 | not in this list, see ccsymbols and cppccsymbols. | |
781b178c JH |
326 | The list is a space-separated list of symbol=value tokens. |
327 | ||
328 | crosscompile (crosscompile.U): | |
329 | This variable conditionally defines the CROSSCOMPILE symbol | |
330 | which signifies that the build process is be a cross-compilation. | |
331 | This is normally set by hints files or from Configure command line. | |
332 | ||
333 | cryptlib (d_crypt.U): | |
334 | This variable holds -lcrypt or the path to a libcrypt.a archive if | |
335 | the crypt() function is not defined in the standard C library. It is | |
336 | up to the Makefile to use this. | |
337 | ||
338 | csh (Loc.U): | |
5bf26616 | 339 | This variable is used internally by Configure to determine the |
781b178c JH |
340 | full pathname (if any) of the csh program. After Configure runs, |
341 | the value is reset to a plain "csh" and is not useful. | |
342 | ||
343 | d_access (d_access.U): | |
344 | This variable conditionally defines HAS_ACCESS if the access() system | |
345 | call is available to check for access permissions using real IDs. | |
346 | ||
347 | d_accessx (d_accessx.U): | |
348 | This variable conditionally defines the HAS_ACCESSX symbol, which | |
349 | indicates to the C program that the accessx() routine is available. | |
350 | ||
351 | d_alarm (d_alarm.U): | |
352 | This variable conditionally defines the HAS_ALARM symbol, which | |
353 | indicates to the C program that the alarm() routine is available. | |
354 | ||
355 | d_archlib (archlib.U): | |
356 | This variable conditionally defines ARCHLIB to hold the pathname | |
357 | of architecture-dependent library files for $package. If | |
358 | $archlib is the same as $privlib, then this is set to undef. | |
359 | ||
11dc3f68 JH |
360 | d_atolf (atolf.U): |
361 | This variable conditionally defines the HAS_ATOLF symbol, which | |
362 | indicates to the C program that the atolf() routine is available. | |
363 | ||
364 | d_atoll (atoll.U): | |
365 | This variable conditionally defines the HAS_ATOLL symbol, which | |
366 | indicates to the C program that the atoll() routine is available. | |
367 | ||
781b178c JH |
368 | d_attribut (d_attribut.U): |
369 | This variable conditionally defines HASATTRIBUTE, which | |
370 | indicates the C compiler can check for function attributes, | |
371 | such as printf formats. | |
372 | ||
373 | d_bcmp (d_bcmp.U): | |
374 | This variable conditionally defines the HAS_BCMP symbol if | |
375 | the bcmp() routine is available to compare strings. | |
376 | ||
377 | d_bcopy (d_bcopy.U): | |
378 | This variable conditionally defines the HAS_BCOPY symbol if | |
379 | the bcopy() routine is available to copy strings. | |
380 | ||
d71b2b6b JH |
381 | d_bincompat5005 (bincompat5005.U): |
382 | This variable conditionally defines BINCOMPAT5005 so that embed.h | |
f78bfc9c JH |
383 | can take special action if this version of Perl should be |
384 | binary-compatible with Perl 5.005. This is impossible for builds | |
385 | that use features like threads and multiplicity it is always $undef | |
386 | for those versions. | |
d71b2b6b | 387 | |
781b178c JH |
388 | d_bsd (Guess.U): |
389 | This symbol conditionally defines the symbol BSD when running on a | |
390 | BSD system. | |
391 | ||
392 | d_bsdgetpgrp (d_getpgrp.U): | |
393 | This variable conditionally defines USE_BSD_GETPGRP if | |
394 | getpgrp needs one arguments whereas USG one needs none. | |
395 | ||
396 | d_bsdsetpgrp (d_setpgrp.U): | |
397 | This variable conditionally defines USE_BSD_SETPGRP if | |
398 | setpgrp needs two arguments whereas USG one needs none. | |
399 | See also d_setpgid for a POSIX interface. | |
400 | ||
401 | d_bzero (d_bzero.U): | |
402 | This variable conditionally defines the HAS_BZERO symbol if | |
403 | the bzero() routine is available to set memory to 0. | |
404 | ||
405 | d_casti32 (d_casti32.U): | |
406 | This variable conditionally defines CASTI32, which indicates | |
407 | whether the C compiler can cast large floats to 32-bit ints. | |
408 | ||
409 | d_castneg (d_castneg.U): | |
410 | This variable conditionally defines CASTNEG, which indicates | |
411 | wether the C compiler can cast negative float to unsigned. | |
412 | ||
413 | d_charvspr (d_vprintf.U): | |
414 | This variable conditionally defines CHARVSPRINTF if this system | |
415 | has vsprintf returning type (char*). The trend seems to be to | |
416 | declare it as "int vsprintf()". | |
417 | ||
418 | d_chown (d_chown.U): | |
419 | This variable conditionally defines the HAS_CHOWN symbol, which | |
420 | indicates to the C program that the chown() routine is available. | |
421 | ||
422 | d_chroot (d_chroot.U): | |
423 | This variable conditionally defines the HAS_CHROOT symbol, which | |
424 | indicates to the C program that the chroot() routine is available. | |
425 | ||
426 | d_chsize (d_chsize.U): | |
427 | This variable conditionally defines the CHSIZE symbol, which | |
428 | indicates to the C program that the chsize() routine is available | |
429 | to truncate files. You might need a -lx to get this routine. | |
430 | ||
431 | d_closedir (d_closedir.U): | |
432 | This variable conditionally defines HAS_CLOSEDIR if closedir() is | |
433 | available. | |
434 | ||
781b178c JH |
435 | d_const (d_const.U): |
436 | This variable conditionally defines the HASCONST symbol, which | |
437 | indicates to the C program that this C compiler knows about the | |
438 | const type. | |
439 | ||
440 | d_crypt (d_crypt.U): | |
441 | This variable conditionally defines the CRYPT symbol, which | |
442 | indicates to the C program that the crypt() routine is available | |
443 | to encrypt passwords and the like. | |
444 | ||
445 | d_csh (d_csh.U): | |
446 | This variable conditionally defines the CSH symbol, which | |
447 | indicates to the C program that the C-shell exists. | |
448 | ||
449 | d_cuserid (d_cuserid.U): | |
450 | This variable conditionally defines the HAS_CUSERID symbol, which | |
451 | indicates to the C program that the cuserid() routine is available | |
452 | to get character login names. | |
453 | ||
454 | d_dbl_dig (d_dbl_dig.U): | |
455 | This variable conditionally defines d_dbl_dig if this system's | |
456 | header files provide DBL_DIG, which is the number of significant | |
457 | digits in a double precision number. | |
458 | ||
781b178c JH |
459 | d_difftime (d_difftime.U): |
460 | This variable conditionally defines the HAS_DIFFTIME symbol, which | |
461 | indicates to the C program that the difftime() routine is available. | |
462 | ||
781b178c JH |
463 | d_dirnamlen (i_dirent.U): |
464 | This variable conditionally defines DIRNAMLEN, which indicates | |
465 | to the C program that the length of directory entry names is | |
466 | provided by a d_namelen field. | |
467 | ||
468 | d_dlerror (d_dlerror.U): | |
469 | This variable conditionally defines the HAS_DLERROR symbol, which | |
470 | indicates to the C program that the dlerror() routine is available. | |
471 | ||
472 | d_dlopen (d_dlopen.U): | |
473 | This variable conditionally defines the HAS_DLOPEN symbol, which | |
474 | indicates to the C program that the dlopen() routine is available. | |
475 | ||
476 | d_dlsymun (d_dlsymun.U): | |
477 | This variable conditionally defines DLSYM_NEEDS_UNDERSCORE, which | |
478 | indicates that we need to prepend an underscore to the symbol | |
479 | name before calling dlsym(). | |
480 | ||
481 | d_dosuid (d_dosuid.U): | |
482 | This variable conditionally defines the symbol DOSUID, which | |
483 | tells the C program that it should insert setuid emulation code | |
484 | on hosts which have setuid #! scripts disabled. | |
485 | ||
486 | d_drand48proto (d_drand48proto.U): | |
487 | This variable conditionally defines the HAS_DRAND48_PROTO symbol, | |
488 | which indicates to the C program that the system provides | |
489 | a prototype for the drand48() function. Otherwise, it is | |
490 | up to the program to supply one. | |
491 | ||
492 | d_dup2 (d_dup2.U): | |
493 | This variable conditionally defines HAS_DUP2 if dup2() is | |
494 | available to duplicate file descriptors. | |
495 | ||
496 | d_eaccess (d_eaccess.U): | |
497 | This variable conditionally defines the HAS_EACCESS symbol, which | |
498 | indicates to the C program that the eaccess() routine is available. | |
499 | ||
500 | d_endgrent (d_endgrent.U): | |
501 | This variable conditionally defines the HAS_ENDGRENT symbol, which | |
502 | indicates to the C program that the endgrent() routine is available | |
503 | for sequential access of the group database. | |
504 | ||
505 | d_endhent (d_endhent.U): | |
506 | This variable conditionally defines HAS_ENDHOSTENT if endhostent() is | |
507 | available to close whatever was being used for host queries. | |
508 | ||
509 | d_endnent (d_endnent.U): | |
510 | This variable conditionally defines HAS_ENDNETENT if endnetent() is | |
511 | available to close whatever was being used for network queries. | |
512 | ||
513 | d_endpent (d_endpent.U): | |
514 | This variable conditionally defines HAS_ENDPROTOENT if endprotoent() is | |
515 | available to close whatever was being used for protocol queries. | |
516 | ||
517 | d_endpwent (d_endpwent.U): | |
518 | This variable conditionally defines the HAS_ENDPWENT symbol, which | |
519 | indicates to the C program that the endpwent() routine is available | |
520 | for sequential access of the passwd database. | |
521 | ||
522 | d_endsent (d_endsent.U): | |
523 | This variable conditionally defines HAS_ENDSERVENT if endservent() is | |
524 | available to close whatever was being used for service queries. | |
525 | ||
781b178c JH |
526 | d_eofnblk (nblock_io.U): |
527 | This variable conditionally defines EOF_NONBLOCK if EOF can be seen | |
528 | when reading from a non-blocking I/O source. | |
529 | ||
530 | d_eunice (Guess.U): | |
531 | This variable conditionally defines the symbols EUNICE and VAX, which | |
532 | alerts the C program that it must deal with ideosyncracies of VMS. | |
533 | ||
534 | d_fchmod (d_fchmod.U): | |
535 | This variable conditionally defines the HAS_FCHMOD symbol, which | |
536 | indicates to the C program that the fchmod() routine is available | |
537 | to change mode of opened files. | |
538 | ||
539 | d_fchown (d_fchown.U): | |
540 | This variable conditionally defines the HAS_FCHOWN symbol, which | |
541 | indicates to the C program that the fchown() routine is available | |
542 | to change ownership of opened files. | |
543 | ||
544 | d_fcntl (d_fcntl.U): | |
545 | This variable conditionally defines the HAS_FCNTL symbol, and indicates | |
546 | whether the fcntl() function exists | |
547 | ||
548 | d_fd_macros (d_fd_set.U): | |
549 | This variable contains the eventual value of the HAS_FD_MACROS symbol, | |
550 | which indicates if your C compiler knows about the macros which | |
551 | manipulate an fd_set. | |
552 | ||
553 | d_fd_set (d_fd_set.U): | |
554 | This variable contains the eventual value of the HAS_FD_SET symbol, | |
555 | which indicates if your C compiler knows about the fd_set typedef. | |
556 | ||
557 | d_fds_bits (d_fd_set.U): | |
558 | This variable contains the eventual value of the HAS_FDS_BITS symbol, | |
559 | which indicates if your fd_set typedef contains the fds_bits member. | |
560 | If you have an fd_set typedef, but the dweebs who installed it did | |
561 | a half-fast job and neglected to provide the macros to manipulate | |
562 | an fd_set, HAS_FDS_BITS will let us know how to fix the gaffe. | |
563 | ||
781b178c JH |
564 | d_fgetpos (d_fgetpos.U): |
565 | This variable conditionally defines HAS_FGETPOS if fgetpos() is | |
566 | available to get the file position indicator. | |
567 | ||
781b178c JH |
568 | d_flexfnam (d_flexfnam.U): |
569 | This variable conditionally defines the FLEXFILENAMES symbol, which | |
570 | indicates that the system supports filenames longer than 14 characters. | |
571 | ||
781b178c JH |
572 | d_flock (d_flock.U): |
573 | This variable conditionally defines HAS_FLOCK if flock() is | |
574 | available to do file locking. | |
575 | ||
781b178c JH |
576 | d_fork (d_fork.U): |
577 | This variable conditionally defines the HAS_FORK symbol, which | |
578 | indicates to the C program that the fork() routine is available. | |
579 | ||
580 | d_fpathconf (d_pathconf.U): | |
581 | This variable conditionally defines the HAS_FPATHCONF symbol, which | |
582 | indicates to the C program that the pathconf() routine is available | |
583 | to determine file-system related limits and options associated | |
584 | with a given open file descriptor. | |
585 | ||
c890dc6c | 586 | d_fpos64_t (d_fpos64_t.U): |
ca24dfc6 | 587 | This symbol will be defined if the C compiler supports fpos64_t. |
781b178c | 588 | |
a3540c92 JH |
589 | d_frexpl (d_frexpl.U): |
590 | This variable conditionally defines the HAS_FREXPL symbol, which | |
591 | indicates to the C program that the frexpl() routine is available. | |
592 | ||
ad27e871 | 593 | d_fs_data_s (d_fs_data_s.U): |
0545a864 JH |
594 | This variable conditionally defines the HAS_STRUCT_FS_DATA symbol, |
595 | which indicates that the struct fs_data is supported. | |
596 | ||
781b178c JH |
597 | d_fseeko (d_fseeko.U): |
598 | This variable conditionally defines the HAS_FSEEKO symbol, which | |
599 | indicates to the C program that the fseeko() routine is available. | |
600 | ||
781b178c JH |
601 | d_fsetpos (d_fsetpos.U): |
602 | This variable conditionally defines HAS_FSETPOS if fsetpos() is | |
603 | available to set the file position indicator. | |
604 | ||
0545a864 | 605 | d_fstatfs (d_fstatfs.U): |
781b178c JH |
606 | This variable conditionally defines the HAS_FSTATFS symbol, which |
607 | indicates to the C program that the fstatfs() routine is available. | |
608 | ||
609 | d_fstatvfs (d_statvfs.U): | |
610 | This variable conditionally defines the HAS_FSTATVFS symbol, which | |
611 | indicates to the C program that the fstatvfs() routine is available. | |
612 | ||
781b178c JH |
613 | d_ftello (d_ftello.U): |
614 | This variable conditionally defines the HAS_FTELLO symbol, which | |
615 | indicates to the C program that the ftello() routine is available. | |
616 | ||
617 | d_ftime (d_ftime.U): | |
618 | This variable conditionally defines the HAS_FTIME symbol, which indicates | |
619 | that the ftime() routine exists. The ftime() routine is basically | |
620 | a sub-second accuracy clock. | |
621 | ||
ff935051 JH |
622 | d_Gconvert (d_gconvert.U): |
623 | This variable holds what Gconvert is defined as to convert | |
624 | floating point numbers into strings. It could be 'gconvert' | |
625 | or a more complex macro emulating gconvert with gcvt() or sprintf. | |
626 | Possible values are: | |
627 | d_Gconvert='gconvert((x),(n),(t),(b))' | |
628 | d_Gconvert='gcvt((x),(n),(b))' | |
629 | d_Gconvert='sprintf((b),"%.*g",(n),(x))' | |
630 | ||
49dabb45 JH |
631 | d_getcwd (d_getcwd.U): |
632 | This variable conditionally defines the HAS_GETCWD symbol, which | |
633 | indicates to the C program that the getcwd() routine is available | |
634 | to get the current working directory. | |
635 | ||
3813c136 JH |
636 | d_getespwnam (d_getespwnam.U): |
637 | This variable conditionally defines HAS_GETESPWNAM if getespwnam() is | |
638 | available to retrieve enchanced (shadow) password entries by name. | |
639 | ||
c890dc6c JH |
640 | d_getfsstat (d_getfsstat.U): |
641 | This variable conditionally defines the HAS_GETFSSTAT symbol, which | |
642 | indicates to the C program that the getfsstat() routine is available. | |
643 | ||
781b178c JH |
644 | d_getgrent (d_getgrent.U): |
645 | This variable conditionally defines the HAS_GETGRENT symbol, which | |
646 | indicates to the C program that the getgrent() routine is available | |
647 | for sequential access of the group database. | |
648 | ||
649 | d_getgrps (d_getgrps.U): | |
650 | This variable conditionally defines the HAS_GETGROUPS symbol, which | |
651 | indicates to the C program that the getgroups() routine is available | |
652 | to get the list of process groups. | |
653 | ||
654 | d_gethbyaddr (d_gethbyad.U): | |
655 | This variable conditionally defines the HAS_GETHOSTBYADDR symbol, which | |
656 | indicates to the C program that the gethostbyaddr() routine is available | |
657 | to look up hosts by their IP addresses. | |
658 | ||
659 | d_gethbyname (d_gethbynm.U): | |
660 | This variable conditionally defines the HAS_GETHOSTBYNAME symbol, which | |
661 | indicates to the C program that the gethostbyname() routine is available | |
662 | to look up host names in some data base or other. | |
663 | ||
664 | d_gethent (d_gethent.U): | |
665 | This variable conditionally defines HAS_GETHOSTENT if gethostent() is | |
666 | available to look up host names in some data base or another. | |
667 | ||
668 | d_gethname (d_gethname.U): | |
669 | This variable conditionally defines the HAS_GETHOSTNAME symbol, which | |
670 | indicates to the C program that the gethostname() routine may be | |
671 | used to derive the host name. | |
672 | ||
673 | d_gethostprotos (d_gethostprotos.U): | |
674 | This variable conditionally defines the HAS_GETHOST_PROTOS symbol, | |
675 | which indicates to the C program that <netdb.h> supplies | |
676 | prototypes for the various gethost*() functions. | |
677 | See also netdbtype.U for probing for various netdb types. | |
678 | ||
679 | d_getlogin (d_getlogin.U): | |
680 | This variable conditionally defines the HAS_GETLOGIN symbol, which | |
681 | indicates to the C program that the getlogin() routine is available | |
682 | to get the login name. | |
683 | ||
ad27e871 JH |
684 | d_getmnt (d_getmnt.U): |
685 | This variable conditionally defines the HAS_GETMNT symbol, which | |
686 | indicates to the C program that the getmnt() routine is available | |
687 | to retrieve one or more mount info blocks by filename. | |
688 | ||
781b178c JH |
689 | d_getmntent (d_getmntent.U): |
690 | This variable conditionally defines the HAS_GETMNTENT symbol, which | |
691 | indicates to the C program that the getmntent() routine is available | |
0617aed7 | 692 | to iterate through mounted files to get their mount info. |
781b178c JH |
693 | |
694 | d_getnbyaddr (d_getnbyad.U): | |
695 | This variable conditionally defines the HAS_GETNETBYADDR symbol, which | |
696 | indicates to the C program that the getnetbyaddr() routine is available | |
697 | to look up networks by their IP addresses. | |
698 | ||
699 | d_getnbyname (d_getnbynm.U): | |
700 | This variable conditionally defines the HAS_GETNETBYNAME symbol, which | |
701 | indicates to the C program that the getnetbyname() routine is available | |
702 | to look up networks by their names. | |
703 | ||
704 | d_getnent (d_getnent.U): | |
705 | This variable conditionally defines HAS_GETNETENT if getnetent() is | |
706 | available to look up network names in some data base or another. | |
707 | ||
708 | d_getnetprotos (d_getnetprotos.U): | |
709 | This variable conditionally defines the HAS_GETNET_PROTOS symbol, | |
710 | which indicates to the C program that <netdb.h> supplies | |
711 | prototypes for the various getnet*() functions. | |
712 | See also netdbtype.U for probing for various netdb types. | |
713 | ||
714 | d_getpbyname (d_getprotby.U): | |
715 | This variable conditionally defines the HAS_GETPROTOBYNAME | |
716 | symbol, which indicates to the C program that the | |
717 | getprotobyname() routine is available to look up protocols | |
718 | by their name. | |
719 | ||
720 | d_getpbynumber (d_getprotby.U): | |
721 | This variable conditionally defines the HAS_GETPROTOBYNUMBER | |
722 | symbol, which indicates to the C program that the | |
723 | getprotobynumber() routine is available to look up protocols | |
724 | by their number. | |
725 | ||
726 | d_getpent (d_getpent.U): | |
727 | This variable conditionally defines HAS_GETPROTOENT if getprotoent() is | |
728 | available to look up protocols in some data base or another. | |
729 | ||
730 | d_getpgid (d_getpgid.U): | |
731 | This variable conditionally defines the HAS_GETPGID symbol, which | |
732 | indicates to the C program that the getpgid(pid) function | |
733 | is available to get the process group id. | |
734 | ||
735 | d_getpgrp2 (d_getpgrp2.U): | |
736 | This variable conditionally defines the HAS_GETPGRP2 symbol, which | |
737 | indicates to the C program that the getpgrp2() (as in DG/UX) routine | |
738 | is available to get the current process group. | |
739 | ||
740 | d_getpgrp (d_getpgrp.U): | |
741 | This variable conditionally defines HAS_GETPGRP if getpgrp() is | |
742 | available to get the current process group. | |
743 | ||
744 | d_getppid (d_getppid.U): | |
745 | This variable conditionally defines the HAS_GETPPID symbol, which | |
746 | indicates to the C program that the getppid() routine is available | |
747 | to get the parent process ID. | |
748 | ||
749 | d_getprior (d_getprior.U): | |
750 | This variable conditionally defines HAS_GETPRIORITY if getpriority() | |
751 | is available to get a process's priority. | |
752 | ||
753 | d_getprotoprotos (d_getprotoprotos.U): | |
754 | This variable conditionally defines the HAS_GETPROTO_PROTOS symbol, | |
755 | which indicates to the C program that <netdb.h> supplies | |
756 | prototypes for the various getproto*() functions. | |
757 | See also netdbtype.U for probing for various netdb types. | |
758 | ||
3813c136 JH |
759 | d_getprpwnam (d_getprpwnam.U): |
760 | This variable conditionally defines HAS_GETPRPWNAM if getprpwnam() is | |
761 | available to retrieve protected (shadow) password entries by name. | |
762 | ||
781b178c JH |
763 | d_getpwent (d_getpwent.U): |
764 | This variable conditionally defines the HAS_GETPWENT symbol, which | |
765 | indicates to the C program that the getpwent() routine is available | |
766 | for sequential access of the passwd database. | |
767 | ||
768 | d_getsbyname (d_getsrvby.U): | |
769 | This variable conditionally defines the HAS_GETSERVBYNAME | |
770 | symbol, which indicates to the C program that the | |
771 | getservbyname() routine is available to look up services | |
772 | by their name. | |
773 | ||
774 | d_getsbyport (d_getsrvby.U): | |
775 | This variable conditionally defines the HAS_GETSERVBYPORT | |
776 | symbol, which indicates to the C program that the | |
777 | getservbyport() routine is available to look up services | |
778 | by their port. | |
779 | ||
780 | d_getsent (d_getsent.U): | |
781 | This variable conditionally defines HAS_GETSERVENT if getservent() is | |
782 | available to look up network services in some data base or another. | |
783 | ||
784 | d_getservprotos (d_getservprotos.U): | |
785 | This variable conditionally defines the HAS_GETSERV_PROTOS symbol, | |
786 | which indicates to the C program that <netdb.h> supplies | |
787 | prototypes for the various getserv*() functions. | |
788 | See also netdbtype.U for probing for various netdb types. | |
789 | ||
781b178c JH |
790 | d_getspnam (d_getspnam.U): |
791 | This variable conditionally defines HAS_GETSPNAM if getspnam() is | |
792 | available to retrieve SysV shadow password entries by name. | |
793 | ||
794 | d_gettimeod (d_ftime.U): | |
795 | This variable conditionally defines the HAS_GETTIMEOFDAY symbol, which | |
796 | indicates that the gettimeofday() system call exists (to obtain a | |
797 | sub-second accuracy clock). You should probably include <sys/resource.h>. | |
798 | ||
799 | d_gnulibc (d_gnulibc.U): | |
800 | Defined if we're dealing with the GNU C Library. | |
801 | ||
802 | d_grpasswd (i_grp.U): | |
803 | This variable conditionally defines GRPASSWD, which indicates | |
804 | that struct group in <grp.h> contains gr_passwd. | |
805 | ||
806 | d_hasmntopt (d_hasmntopt.U): | |
807 | This variable conditionally defines the HAS_HASMNTOPT symbol, which | |
808 | indicates to the C program that the hasmntopt() routine is available | |
809 | to query the mount options of file systems. | |
810 | ||
811 | d_htonl (d_htonl.U): | |
812 | This variable conditionally defines HAS_HTONL if htonl() and its | |
813 | friends are available to do network order byte swapping. | |
814 | ||
fe749a9f JH |
815 | d_iconv (d_iconv.U): |
816 | This variable conditionally defines the HAS_ICONV symbol, which | |
817 | indicates to the C program that the iconv() routine is available. | |
818 | ||
781b178c JH |
819 | d_index (d_strchr.U): |
820 | This variable conditionally defines HAS_INDEX if index() and | |
821 | rindex() are available for string searching. | |
822 | ||
823 | d_inetaton (d_inetaton.U): | |
824 | This variable conditionally defines the HAS_INET_ATON symbol, which | |
825 | indicates to the C program that the inet_aton() function is available | |
826 | to parse IP address "dotted-quad" strings. | |
827 | ||
13b3f787 | 828 | d_int64_t (d_int64_t.U): |
781b178c JH |
829 | This symbol will be defined if the C compiler supports int64_t. |
830 | ||
781b178c JH |
831 | d_isascii (d_isascii.U): |
832 | This variable conditionally defines the HAS_ISASCII constant, | |
833 | which indicates to the C program that isascii() is available. | |
834 | ||
a3540c92 JH |
835 | d_isnan (d_isnan.U): |
836 | This variable conditionally defines the HAS_ISNAN symbol, which | |
837 | indicates to the C program that the isnan() routine is available. | |
838 | ||
839 | d_isnanl (d_isnanl.U): | |
840 | This variable conditionally defines the HAS_ISNANL symbol, which | |
841 | indicates to the C program that the isnanl() routine is available. | |
842 | ||
781b178c JH |
843 | d_killpg (d_killpg.U): |
844 | This variable conditionally defines the HAS_KILLPG symbol, which | |
845 | indicates to the C program that the killpg() routine is available | |
846 | to kill process groups. | |
847 | ||
848 | d_lchown (d_lchown.U): | |
849 | This variable conditionally defines the HAS_LCHOWN symbol, which | |
850 | indicates to the C program that the lchown() routine is available | |
851 | to operate on a symbolic link (instead of following the link). | |
852 | ||
ca24dfc6 LV |
853 | d_ldbl_dig (d_ldbl_dig.U): |
854 | This variable conditionally defines d_ldbl_dig if this system's | |
855 | header files provide LDBL_DIG, which is the number of significant | |
856 | digits in a long double precision number. | |
857 | ||
781b178c JH |
858 | d_link (d_link.U): |
859 | This variable conditionally defines HAS_LINK if link() is | |
860 | available to create hard links. | |
861 | ||
781b178c JH |
862 | d_locconv (d_locconv.U): |
863 | This variable conditionally defines HAS_LOCALECONV if localeconv() is | |
864 | available for numeric and monetary formatting conventions. | |
865 | ||
781b178c JH |
866 | d_lockf (d_lockf.U): |
867 | This variable conditionally defines HAS_LOCKF if lockf() is | |
868 | available to do file locking. | |
869 | ||
870 | d_longdbl (d_longdbl.U): | |
871 | This variable conditionally defines HAS_LONG_DOUBLE if | |
872 | the long double type is supported. | |
873 | ||
874 | d_longlong (d_longlong.U): | |
875 | This variable conditionally defines HAS_LONG_LONG if | |
876 | the long long type is supported. | |
877 | ||
c890dc6c JH |
878 | d_lseekproto (d_lseekproto.U): |
879 | This variable conditionally defines the HAS_LSEEK_PROTO symbol, | |
880 | which indicates to the C program that the system provides | |
881 | a prototype for the lseek() function. Otherwise, it is | |
882 | up to the program to supply one. | |
883 | ||
781b178c JH |
884 | d_lstat (d_lstat.U): |
885 | This variable conditionally defines HAS_LSTAT if lstat() is | |
886 | available to do file stats on symbolic links. | |
887 | ||
792d8dab JH |
888 | d_madvise (d_madvise.U): |
889 | This variable conditionally defines HAS_MADVISE if madvise() is | |
890 | available to map a file into memory. | |
891 | ||
781b178c JH |
892 | d_mblen (d_mblen.U): |
893 | This variable conditionally defines the HAS_MBLEN symbol, which | |
894 | indicates to the C program that the mblen() routine is available | |
895 | to find the number of bytes in a multibye character. | |
896 | ||
897 | d_mbstowcs (d_mbstowcs.U): | |
898 | This variable conditionally defines the HAS_MBSTOWCS symbol, which | |
899 | indicates to the C program that the mbstowcs() routine is available | |
900 | to convert a multibyte string into a wide character string. | |
901 | ||
902 | d_mbtowc (d_mbtowc.U): | |
903 | This variable conditionally defines the HAS_MBTOWC symbol, which | |
904 | indicates to the C program that the mbtowc() routine is available | |
905 | to convert multibyte to a wide character. | |
906 | ||
907 | d_memchr (d_memchr.U): | |
908 | This variable conditionally defines the HAS_MEMCHR symbol, which | |
909 | indicates to the C program that the memchr() routine is available | |
910 | to locate characters within a C string. | |
911 | ||
912 | d_memcmp (d_memcmp.U): | |
913 | This variable conditionally defines the HAS_MEMCMP symbol, which | |
914 | indicates to the C program that the memcmp() routine is available | |
915 | to compare blocks of memory. | |
916 | ||
917 | d_memcpy (d_memcpy.U): | |
918 | This variable conditionally defines the HAS_MEMCPY symbol, which | |
919 | indicates to the C program that the memcpy() routine is available | |
920 | to copy blocks of memory. | |
921 | ||
922 | d_memmove (d_memmove.U): | |
923 | This variable conditionally defines the HAS_MEMMOVE symbol, which | |
924 | indicates to the C program that the memmove() routine is available | |
925 | to copy potentatially overlapping blocks of memory. | |
926 | ||
927 | d_memset (d_memset.U): | |
928 | This variable conditionally defines the HAS_MEMSET symbol, which | |
929 | indicates to the C program that the memset() routine is available | |
930 | to set blocks of memory. | |
931 | ||
932 | d_mkdir (d_mkdir.U): | |
933 | This variable conditionally defines the HAS_MKDIR symbol, which | |
934 | indicates to the C program that the mkdir() routine is available | |
935 | to create directories.. | |
936 | ||
fe749a9f JH |
937 | d_mkdtemp (d_mkdtemp.U): |
938 | This variable conditionally defines the HAS_MKDTEMP symbol, which | |
939 | indicates to the C program that the mkdtemp() routine is available | |
940 | to exclusively create a uniquely named temporary directory. | |
941 | ||
781b178c JH |
942 | d_mkfifo (d_mkfifo.U): |
943 | This variable conditionally defines the HAS_MKFIFO symbol, which | |
944 | indicates to the C program that the mkfifo() routine is available. | |
945 | ||
fe749a9f JH |
946 | d_mkstemp (d_mkstemp.U): |
947 | This variable conditionally defines the HAS_MKSTEMP symbol, which | |
948 | indicates to the C program that the mkstemp() routine is available | |
949 | to exclusively create and open a uniquely named temporary file. | |
950 | ||
951 | d_mkstemps (d_mkstemps.U): | |
952 | This variable conditionally defines the HAS_MKSTEMPS symbol, which | |
953 | indicates to the C program that the mkstemps() routine is available | |
954 | to exclusively create and open a uniquely named (with a suffix) | |
955 | temporary file. | |
956 | ||
781b178c JH |
957 | d_mktime (d_mktime.U): |
958 | This variable conditionally defines the HAS_MKTIME symbol, which | |
959 | indicates to the C program that the mktime() routine is available. | |
960 | ||
fe749a9f JH |
961 | d_mmap (d_mmap.U): |
962 | This variable conditionally defines HAS_MMAP if mmap() is | |
963 | available to map a file into memory. | |
964 | ||
a3540c92 JH |
965 | d_modfl (d_modfl.U): |
966 | This variable conditionally defines the HAS_MODFL symbol, which | |
967 | indicates to the C program that the modfl() routine is available. | |
968 | ||
fe749a9f JH |
969 | d_mprotect (d_mprotect.U): |
970 | This variable conditionally defines HAS_MPROTECT if mprotect() is | |
971 | available to modify the access protection of a memory mapped file. | |
972 | ||
781b178c JH |
973 | d_msg (d_msg.U): |
974 | This variable conditionally defines the HAS_MSG symbol, which | |
975 | indicates that the entire msg*(2) library is present. | |
976 | ||
977 | d_msg_ctrunc (d_socket.U): | |
978 | This variable conditionally defines the HAS_MSG_CTRUNC symbol, | |
979 | which indicates that the MSG_CTRUNC is available. #ifdef is | |
980 | not enough because it may be an enum, glibc has been known to do this. | |
981 | ||
982 | d_msg_dontroute (d_socket.U): | |
983 | This variable conditionally defines the HAS_MSG_DONTROUTE symbol, | |
984 | which indicates that the MSG_DONTROUTE is available. #ifdef is | |
985 | not enough because it may be an enum, glibc has been known to do this. | |
986 | ||
987 | d_msg_oob (d_socket.U): | |
988 | This variable conditionally defines the HAS_MSG_OOB symbol, | |
989 | which indicates that the MSG_OOB is available. #ifdef is | |
990 | not enough because it may be an enum, glibc has been known to do this. | |
991 | ||
992 | d_msg_peek (d_socket.U): | |
993 | This variable conditionally defines the HAS_MSG_PEEK symbol, | |
994 | which indicates that the MSG_PEEK is available. #ifdef is | |
995 | not enough because it may be an enum, glibc has been known to do this. | |
996 | ||
997 | d_msg_proxy (d_socket.U): | |
998 | This variable conditionally defines the HAS_MSG_PROXY symbol, | |
999 | which indicates that the MSG_PROXY is available. #ifdef is | |
1000 | not enough because it may be an enum, glibc has been known to do this. | |
1001 | ||
1002 | d_msgctl (d_msgctl.U): | |
1003 | This variable conditionally defines the HAS_MSGCTL symbol, which | |
1004 | indicates to the C program that the msgctl() routine is available. | |
1005 | ||
1006 | d_msgget (d_msgget.U): | |
1007 | This variable conditionally defines the HAS_MSGGET symbol, which | |
1008 | indicates to the C program that the msgget() routine is available. | |
1009 | ||
781b178c JH |
1010 | d_msgrcv (d_msgrcv.U): |
1011 | This variable conditionally defines the HAS_MSGRCV symbol, which | |
1012 | indicates to the C program that the msgrcv() routine is available. | |
1013 | ||
1014 | d_msgsnd (d_msgsnd.U): | |
1015 | This variable conditionally defines the HAS_MSGSND symbol, which | |
1016 | indicates to the C program that the msgsnd() routine is available. | |
1017 | ||
fe749a9f JH |
1018 | d_msync (d_msync.U): |
1019 | This variable conditionally defines HAS_MSYNC if msync() is | |
1020 | available to synchronize a mapped file. | |
1021 | ||
1022 | d_munmap (d_munmap.U): | |
1023 | This variable conditionally defines HAS_MUNMAP if munmap() is | |
1024 | available to unmap a region mapped by mmap(). | |
1025 | ||
781b178c JH |
1026 | d_mymalloc (mallocsrc.U): |
1027 | This variable conditionally defines MYMALLOC in case other parts | |
1028 | of the source want to take special action if MYMALLOC is used. | |
1029 | This may include different sorts of profiling or error detection. | |
1030 | ||
781b178c JH |
1031 | d_nice (d_nice.U): |
1032 | This variable conditionally defines the HAS_NICE symbol, which | |
1033 | indicates to the C program that the nice() routine is available. | |
1034 | ||
78691af5 | 1035 | d_nv_preserves_uv (perlxv.U): |
cce08f5b JH |
1036 | This variable indicates whether a variable of type nvtype |
1037 | can preserve all the bits a variable of type uvtype. | |
1038 | ||
d6c14000 JH |
1039 | d_nv_preserves_uv_bits (perlxv.U): |
1040 | This variable indicates how many of bits type uvtype | |
1041 | a variable nvtype can preserve. | |
1042 | ||
c890dc6c | 1043 | d_off64_t (d_off64_t.U): |
781b178c JH |
1044 | This symbol will be defined if the C compiler supports off64_t. |
1045 | ||
781b178c JH |
1046 | d_old_pthread_create_joinable (d_pthrattrj.U): |
1047 | This variable conditionally defines pthread_create_joinable. | |
1048 | undef if pthread.h defines PTHREAD_CREATE_JOINABLE. | |
1049 | ||
1050 | d_oldpthreads (usethreads.U): | |
1051 | This variable conditionally defines the OLD_PTHREADS_API symbol, | |
1052 | and indicates that Perl should be built to use the old | |
8c09e4ca | 1053 | draft POSIX threads API. This is only potentially meaningful if |
781b178c JH |
1054 | usethreads is set. |
1055 | ||
1056 | d_oldsock (d_socket.U): | |
1057 | This variable conditionally defines the OLDSOCKET symbol, which | |
1058 | indicates that the BSD socket interface is based on 4.1c and not 4.2. | |
1059 | ||
1060 | d_open3 (d_open3.U): | |
1061 | This variable conditionally defines the HAS_OPEN3 manifest constant, | |
1062 | which indicates to the C program that the 3 argument version of | |
1063 | the open(2) function is available. | |
1064 | ||
781b178c JH |
1065 | d_pathconf (d_pathconf.U): |
1066 | This variable conditionally defines the HAS_PATHCONF symbol, which | |
1067 | indicates to the C program that the pathconf() routine is available | |
1068 | to determine file-system related limits and options associated | |
1069 | with a given filename. | |
1070 | ||
1071 | d_pause (d_pause.U): | |
1072 | This variable conditionally defines the HAS_PAUSE symbol, which | |
1073 | indicates to the C program that the pause() routine is available | |
1074 | to suspend a process until a signal is received. | |
1075 | ||
3b777bb4 GS |
1076 | d_perl_otherlibdirs (otherlibdirs.U): |
1077 | This variable conditionally defines PERL_OTHERLIBDIRS, which | |
1078 | contains a colon-separated set of paths for the perl binary to | |
1079 | include in @INC. See also otherlibdirs. | |
1080 | ||
781b178c JH |
1081 | d_phostname (d_gethname.U): |
1082 | This variable conditionally defines the HAS_PHOSTNAME symbol, which | |
1083 | contains the shell command which, when fed to popen(), may be | |
1084 | used to derive the host name. | |
1085 | ||
1086 | d_pipe (d_pipe.U): | |
1087 | This variable conditionally defines the HAS_PIPE symbol, which | |
1088 | indicates to the C program that the pipe() routine is available | |
1089 | to create an inter-process channel. | |
1090 | ||
1091 | d_poll (d_poll.U): | |
1092 | This variable conditionally defines the HAS_POLL symbol, which | |
1093 | indicates to the C program that the poll() routine is available | |
1094 | to poll active file descriptors. | |
1095 | ||
1096 | d_portable (d_portable.U): | |
1097 | This variable conditionally defines the PORTABLE symbol, which | |
1098 | indicates to the C program that it should not assume that it is | |
1099 | running on the machine it was compiled on. | |
1100 | ||
ff935051 JH |
1101 | d_PRId64 (quadfio.U): |
1102 | This variable conditionally defines the PERL_PRId64 symbol, which | |
1103 | indiciates that stdio has a symbol to print 64-bit decimal numbers. | |
1104 | ||
1105 | d_PRIeldbl (longdblfio.U): | |
6b356c8e | 1106 | This variable conditionally defines the PERL_PRIfldbl symbol, which |
ff935051 JH |
1107 | indiciates that stdio has a symbol to print long doubles. |
1108 | ||
6b356c8e JH |
1109 | d_PRIEUldbl (longdblfio.U): |
1110 | This variable conditionally defines the PERL_PRIfldbl symbol, which | |
ff935051 | 1111 | indiciates that stdio has a symbol to print long doubles. |
6b356c8e JH |
1112 | The 'U' in the name is to separate this from d_PRIeldbl so that even |
1113 | case-blind systems can see the difference. | |
ff935051 JH |
1114 | |
1115 | d_PRIfldbl (longdblfio.U): | |
6b356c8e | 1116 | This variable conditionally defines the PERL_PRIfldbl symbol, which |
ff935051 JH |
1117 | indiciates that stdio has a symbol to print long doubles. |
1118 | ||
6b356c8e JH |
1119 | d_PRIFUldbl (longdblfio.U): |
1120 | This variable conditionally defines the PERL_PRIfldbl symbol, which | |
ff935051 | 1121 | indiciates that stdio has a symbol to print long doubles. |
6b356c8e JH |
1122 | The 'U' in the name is to separate this from d_PRIfldbl so that even |
1123 | case-blind systems can see the difference. | |
ff935051 JH |
1124 | |
1125 | d_PRIgldbl (longdblfio.U): | |
6b356c8e | 1126 | This variable conditionally defines the PERL_PRIfldbl symbol, which |
ff935051 JH |
1127 | indiciates that stdio has a symbol to print long doubles. |
1128 | ||
6b356c8e JH |
1129 | d_PRIGUldbl (longdblfio.U): |
1130 | This variable conditionally defines the PERL_PRIfldbl symbol, which | |
ff935051 | 1131 | indiciates that stdio has a symbol to print long doubles. |
6b356c8e JH |
1132 | The 'U' in the name is to separate this from d_PRIgldbl so that even |
1133 | case-blind systems can see the difference. | |
ff935051 JH |
1134 | |
1135 | d_PRIi64 (quadfio.U): | |
1136 | This variable conditionally defines the PERL_PRIi64 symbol, which | |
1137 | indiciates that stdio has a symbol to print 64-bit decimal numbers. | |
1138 | ||
1139 | d_PRIo64 (quadfio.U): | |
1140 | This variable conditionally defines the PERL_PRIo64 symbol, which | |
1141 | indiciates that stdio has a symbol to print 64-bit octal numbers. | |
1142 | ||
1143 | d_PRIu64 (quadfio.U): | |
1144 | This variable conditionally defines the PERL_PRIu64 symbol, which | |
1145 | indiciates that stdio has a symbol to print 64-bit unsigned decimal | |
1146 | numbers. | |
1147 | ||
1148 | d_PRIx64 (quadfio.U): | |
1149 | This variable conditionally defines the PERL_PRIx64 symbol, which | |
1150 | indiciates that stdio has a symbol to print 64-bit hexadecimal numbers. | |
1151 | ||
6b356c8e JH |
1152 | d_PRIXU64 (quadfio.U): |
1153 | This variable conditionally defines the PERL_PRIXU64 symbol, which | |
ff935051 | 1154 | indiciates that stdio has a symbol to print 64-bit hExADECimAl numbers. |
6b356c8e JH |
1155 | The 'U' in the name is to separate this from d_PRIx64 so that even |
1156 | case-blind systems can see the difference. | |
ff935051 | 1157 | |
781b178c JH |
1158 | d_pthread_yield (d_pthread_y.U): |
1159 | This variable conditionally defines the HAS_PTHREAD_YIELD | |
1160 | symbol if the pthread_yield routine is available to yield | |
1161 | the execution of the current thread. | |
1162 | ||
1163 | d_pwage (i_pwd.U): | |
1164 | This variable conditionally defines PWAGE, which indicates | |
1165 | that struct passwd contains pw_age. | |
1166 | ||
1167 | d_pwchange (i_pwd.U): | |
1168 | This variable conditionally defines PWCHANGE, which indicates | |
1169 | that struct passwd contains pw_change. | |
1170 | ||
1171 | d_pwclass (i_pwd.U): | |
1172 | This variable conditionally defines PWCLASS, which indicates | |
1173 | that struct passwd contains pw_class. | |
1174 | ||
1175 | d_pwcomment (i_pwd.U): | |
1176 | This variable conditionally defines PWCOMMENT, which indicates | |
1177 | that struct passwd contains pw_comment. | |
1178 | ||
1179 | d_pwexpire (i_pwd.U): | |
1180 | This variable conditionally defines PWEXPIRE, which indicates | |
1181 | that struct passwd contains pw_expire. | |
1182 | ||
1183 | d_pwgecos (i_pwd.U): | |
1184 | This variable conditionally defines PWGECOS, which indicates | |
1185 | that struct passwd contains pw_gecos. | |
1186 | ||
1187 | d_pwpasswd (i_pwd.U): | |
1188 | This variable conditionally defines PWPASSWD, which indicates | |
1189 | that struct passwd contains pw_passwd. | |
1190 | ||
1191 | d_pwquota (i_pwd.U): | |
1192 | This variable conditionally defines PWQUOTA, which indicates | |
1193 | that struct passwd contains pw_quota. | |
1194 | ||
792d8dab JH |
1195 | d_qgcvt (d_qgcvt.U): |
1196 | This variable conditionally defines the HAS_QGCVT symbol, which | |
1197 | indicates to the C program that the qgcvt() routine is available. | |
1198 | ||
de1c2614 JH |
1199 | d_quad (quadtype.U): |
1200 | This variable, if defined, tells that there's a 64-bit integer type, | |
1201 | quadtype. | |
1202 | ||
781b178c JH |
1203 | d_readdir (d_readdir.U): |
1204 | This variable conditionally defines HAS_READDIR if readdir() is | |
1205 | available to read directory entries. | |
1206 | ||
1207 | d_readlink (d_readlink.U): | |
1208 | This variable conditionally defines the HAS_READLINK symbol, which | |
1209 | indicates to the C program that the readlink() routine is available | |
1210 | to read the value of a symbolic link. | |
1211 | ||
781b178c JH |
1212 | d_rename (d_rename.U): |
1213 | This variable conditionally defines the HAS_RENAME symbol, which | |
1214 | indicates to the C program that the rename() routine is available | |
1215 | to rename files. | |
1216 | ||
1217 | d_rewinddir (d_readdir.U): | |
1218 | This variable conditionally defines HAS_REWINDDIR if rewinddir() is | |
1219 | available. | |
1220 | ||
1221 | d_rmdir (d_rmdir.U): | |
1222 | This variable conditionally defines HAS_RMDIR if rmdir() is | |
1223 | available to remove directories. | |
1224 | ||
1225 | d_safebcpy (d_safebcpy.U): | |
1226 | This variable conditionally defines the HAS_SAFE_BCOPY symbol if | |
1227 | the bcopy() routine can do overlapping copies. | |
1228 | ||
1229 | d_safemcpy (d_safemcpy.U): | |
1230 | This variable conditionally defines the HAS_SAFE_MEMCPY symbol if | |
1231 | the memcpy() routine can do overlapping copies. | |
1232 | ||
1233 | d_sanemcmp (d_sanemcmp.U): | |
1234 | This variable conditionally defines the HAS_SANE_MEMCMP symbol if | |
1235 | the memcpy() routine is available and can be used to compare relative | |
1236 | magnitudes of chars with their high bits set. | |
1237 | ||
1238 | d_sched_yield (d_pthread_y.U): | |
1239 | This variable conditionally defines the HAS_SCHED_YIELD | |
1240 | symbol if the sched_yield routine is available to yield | |
1241 | the execution of the current thread. | |
1242 | ||
1243 | d_scm_rights (d_socket.U): | |
1244 | This variable conditionally defines the HAS_SCM_RIGHTS symbol, | |
1245 | which indicates that the SCM_RIGHTS is available. #ifdef is | |
1246 | not enough because it may be an enum, glibc has been known to do this. | |
1247 | ||
6b356c8e JH |
1248 | d_SCNfldbl (longdblfio.U): |
1249 | This variable conditionally defines the PERL_PRIfldbl symbol, which | |
1250 | indiciates that stdio has a symbol to scan long doubles. | |
1251 | ||
781b178c JH |
1252 | d_seekdir (d_readdir.U): |
1253 | This variable conditionally defines HAS_SEEKDIR if seekdir() is | |
1254 | available. | |
1255 | ||
1256 | d_select (d_select.U): | |
1257 | This variable conditionally defines HAS_SELECT if select() is | |
1258 | available to select active file descriptors. A <sys/time.h> | |
1259 | inclusion may be necessary for the timeout field. | |
1260 | ||
1261 | d_sem (d_sem.U): | |
1262 | This variable conditionally defines the HAS_SEM symbol, which | |
1263 | indicates that the entire sem*(2) library is present. | |
1264 | ||
1265 | d_semctl (d_semctl.U): | |
1266 | This variable conditionally defines the HAS_SEMCTL symbol, which | |
1267 | indicates to the C program that the semctl() routine is available. | |
1268 | ||
1269 | d_semctl_semid_ds (d_union_semun.U): | |
1270 | This variable conditionally defines USE_SEMCTL_SEMID_DS, which | |
1271 | indicates that struct semid_ds * is to be used for semctl IPC_STAT. | |
1272 | ||
1273 | d_semctl_semun (d_union_semun.U): | |
1274 | This variable conditionally defines USE_SEMCTL_SEMUN, which | |
1275 | indicates that union semun is to be used for semctl IPC_STAT. | |
1276 | ||
1277 | d_semget (d_semget.U): | |
1278 | This variable conditionally defines the HAS_SEMGET symbol, which | |
1279 | indicates to the C program that the semget() routine is available. | |
1280 | ||
1281 | d_semop (d_semop.U): | |
1282 | This variable conditionally defines the HAS_SEMOP symbol, which | |
1283 | indicates to the C program that the semop() routine is available. | |
1284 | ||
781b178c JH |
1285 | d_setegid (d_setegid.U): |
1286 | This variable conditionally defines the HAS_SETEGID symbol, which | |
1287 | indicates to the C program that the setegid() routine is available | |
1288 | to change the effective gid of the current program. | |
1289 | ||
1290 | d_seteuid (d_seteuid.U): | |
1291 | This variable conditionally defines the HAS_SETEUID symbol, which | |
1292 | indicates to the C program that the seteuid() routine is available | |
1293 | to change the effective uid of the current program. | |
1294 | ||
1295 | d_setgrent (d_setgrent.U): | |
1296 | This variable conditionally defines the HAS_SETGRENT symbol, which | |
1297 | indicates to the C program that the setgrent() routine is available | |
1298 | for initializing sequential access to the group database. | |
1299 | ||
1300 | d_setgrps (d_setgrps.U): | |
1301 | This variable conditionally defines the HAS_SETGROUPS symbol, which | |
1302 | indicates to the C program that the setgroups() routine is available | |
1303 | to set the list of process groups. | |
1304 | ||
1305 | d_sethent (d_sethent.U): | |
1306 | This variable conditionally defines HAS_SETHOSTENT if sethostent() is | |
1307 | available. | |
1308 | ||
1309 | d_setlinebuf (d_setlnbuf.U): | |
1310 | This variable conditionally defines the HAS_SETLINEBUF symbol, which | |
1311 | indicates to the C program that the setlinebuf() routine is available | |
1312 | to change stderr or stdout from block-buffered or unbuffered to a | |
1313 | line-buffered mode. | |
1314 | ||
1315 | d_setlocale (d_setlocale.U): | |
1316 | This variable conditionally defines HAS_SETLOCALE if setlocale() is | |
1317 | available to handle locale-specific ctype implementations. | |
1318 | ||
1319 | d_setnent (d_setnent.U): | |
1320 | This variable conditionally defines HAS_SETNETENT if setnetent() is | |
1321 | available. | |
1322 | ||
1323 | d_setpent (d_setpent.U): | |
1324 | This variable conditionally defines HAS_SETPROTOENT if setprotoent() is | |
1325 | available. | |
1326 | ||
1327 | d_setpgid (d_setpgid.U): | |
1328 | This variable conditionally defines the HAS_SETPGID symbol if the | |
1329 | setpgid(pid, gpid) function is available to set process group ID. | |
1330 | ||
1331 | d_setpgrp2 (d_setpgrp2.U): | |
1332 | This variable conditionally defines the HAS_SETPGRP2 symbol, which | |
1333 | indicates to the C program that the setpgrp2() (as in DG/UX) routine | |
1334 | is available to set the current process group. | |
1335 | ||
1336 | d_setpgrp (d_setpgrp.U): | |
1337 | This variable conditionally defines HAS_SETPGRP if setpgrp() is | |
1338 | available to set the current process group. | |
1339 | ||
1340 | d_setprior (d_setprior.U): | |
1341 | This variable conditionally defines HAS_SETPRIORITY if setpriority() | |
1342 | is available to set a process's priority. | |
1343 | ||
af960fef JH |
1344 | d_setproctitle (d_setproctitle.U): |
1345 | This variable conditionally defines the HAS_SETPROCTITLE symbol, | |
1346 | which indicates to the C program that the setproctitle() routine | |
1347 | is available. | |
1348 | ||
781b178c JH |
1349 | d_setpwent (d_setpwent.U): |
1350 | This variable conditionally defines the HAS_SETPWENT symbol, which | |
1351 | indicates to the C program that the setpwent() routine is available | |
1352 | for initializing sequential access to the passwd database. | |
1353 | ||
1354 | d_setregid (d_setregid.U): | |
1355 | This variable conditionally defines HAS_SETREGID if setregid() is | |
1356 | available to change the real and effective gid of the current | |
1357 | process. | |
1358 | ||
1359 | d_setresgid (d_setregid.U): | |
1360 | This variable conditionally defines HAS_SETRESGID if setresgid() is | |
1361 | available to change the real, effective and saved gid of the current | |
1362 | process. | |
1363 | ||
1364 | d_setresuid (d_setreuid.U): | |
1365 | This variable conditionally defines HAS_SETREUID if setresuid() is | |
1366 | available to change the real, effective and saved uid of the current | |
1367 | process. | |
1368 | ||
1369 | d_setreuid (d_setreuid.U): | |
1370 | This variable conditionally defines HAS_SETREUID if setreuid() is | |
1371 | available to change the real and effective uid of the current | |
1372 | process. | |
1373 | ||
1374 | d_setrgid (d_setrgid.U): | |
1375 | This variable conditionally defines the HAS_SETRGID symbol, which | |
1376 | indicates to the C program that the setrgid() routine is available | |
1377 | to change the real gid of the current program. | |
1378 | ||
1379 | d_setruid (d_setruid.U): | |
1380 | This variable conditionally defines the HAS_SETRUID symbol, which | |
1381 | indicates to the C program that the setruid() routine is available | |
1382 | to change the real uid of the current program. | |
1383 | ||
1384 | d_setsent (d_setsent.U): | |
1385 | This variable conditionally defines HAS_SETSERVENT if setservent() is | |
1386 | available. | |
1387 | ||
1388 | d_setsid (d_setsid.U): | |
1389 | This variable conditionally defines HAS_SETSID if setsid() is | |
1390 | available to set the process group ID. | |
1391 | ||
781b178c JH |
1392 | d_setvbuf (d_setvbuf.U): |
1393 | This variable conditionally defines the HAS_SETVBUF symbol, which | |
1394 | indicates to the C program that the setvbuf() routine is available | |
1395 | to change buffering on an open stdio stream. | |
1396 | ||
1397 | d_sfio (d_sfio.U): | |
1398 | This variable conditionally defines the USE_SFIO symbol, | |
1399 | and indicates whether sfio is available (and should be used). | |
1400 | ||
1401 | d_shm (d_shm.U): | |
1402 | This variable conditionally defines the HAS_SHM symbol, which | |
1403 | indicates that the entire shm*(2) library is present. | |
1404 | ||
1405 | d_shmat (d_shmat.U): | |
1406 | This variable conditionally defines the HAS_SHMAT symbol, which | |
1407 | indicates to the C program that the shmat() routine is available. | |
1408 | ||
1409 | d_shmatprototype (d_shmat.U): | |
1410 | This variable conditionally defines the HAS_SHMAT_PROTOTYPE | |
1411 | symbol, which indicates that sys/shm.h has a prototype for | |
1412 | shmat. | |
1413 | ||
1414 | d_shmctl (d_shmctl.U): | |
1415 | This variable conditionally defines the HAS_SHMCTL symbol, which | |
1416 | indicates to the C program that the shmctl() routine is available. | |
1417 | ||
1418 | d_shmdt (d_shmdt.U): | |
1419 | This variable conditionally defines the HAS_SHMDT symbol, which | |
1420 | indicates to the C program that the shmdt() routine is available. | |
1421 | ||
1422 | d_shmget (d_shmget.U): | |
1423 | This variable conditionally defines the HAS_SHMGET symbol, which | |
1424 | indicates to the C program that the shmget() routine is available. | |
1425 | ||
1426 | d_sigaction (d_sigaction.U): | |
1427 | This variable conditionally defines the HAS_SIGACTION symbol, which | |
1428 | indicates that the Vr4 sigaction() routine is available. | |
1429 | ||
1430 | d_sigsetjmp (d_sigsetjmp.U): | |
1431 | This variable conditionally defines the HAS_SIGSETJMP symbol, | |
1432 | which indicates that the sigsetjmp() routine is available to | |
1433 | call setjmp() and optionally save the process's signal mask. | |
1434 | ||
1435 | d_socket (d_socket.U): | |
1436 | This variable conditionally defines HAS_SOCKET, which indicates | |
1437 | that the BSD socket interface is supported. | |
1438 | ||
13b3f787 JH |
1439 | d_socklen_t (d_socklen_t.U): |
1440 | This symbol will be defined if the C compiler supports socklen_t. | |
1441 | ||
781b178c JH |
1442 | d_sockpair (d_socket.U): |
1443 | This variable conditionally defines the HAS_SOCKETPAIR symbol, which | |
1444 | indicates that the BSD socketpair() is supported. | |
1445 | ||
6b356c8e JH |
1446 | d_socks5_init (d_socks5_init.U): |
1447 | This variable conditionally defines the HAS_SOCKS5_INIT symbol, which | |
1448 | indicates to the C program that the socks5_init() routine is available. | |
1449 | ||
68d4903c JH |
1450 | d_sqrtl (d_sqrtl.U): |
1451 | This variable conditionally defines the HAS_SQRTL symbol, which | |
1452 | indicates to the C program that the sqrtl() routine is available. | |
1453 | ||
781b178c JH |
1454 | d_statblks (d_statblks.U): |
1455 | This variable conditionally defines USE_STAT_BLOCKS | |
1456 | if this system has a stat structure declaring | |
1457 | st_blksize and st_blocks. | |
1458 | ||
ad27e871 | 1459 | d_statfs_f_flags (d_statfs_f_flags.U): |
0545a864 | 1460 | This variable conditionally defines the HAS_STRUCT_STATFS_F_FLAGS |
781b178c JH |
1461 | symbol, which indicates to struct statfs from has f_flags member. |
1462 | This kind of struct statfs is coming from sys/mount.h (BSD), | |
1463 | not from sys/statfs.h (SYSV). | |
1464 | ||
ad27e871 | 1465 | d_statfs_s (d_statfs_s.U): |
0545a864 JH |
1466 | This variable conditionally defines the HAS_STRUCT_STATFS symbol, |
1467 | which indicates that the struct statfs is supported. | |
1468 | ||
781b178c JH |
1469 | d_statvfs (d_statvfs.U): |
1470 | This variable conditionally defines the HAS_STATVFS symbol, which | |
1471 | indicates to the C program that the statvfs() routine is available. | |
1472 | ||
1473 | d_stdio_cnt_lval (d_stdstdio.U): | |
1474 | This variable conditionally defines STDIO_CNT_LVALUE if the | |
1475 | FILE_cnt macro can be used as an lvalue. | |
1476 | ||
1477 | d_stdio_ptr_lval (d_stdstdio.U): | |
1478 | This variable conditionally defines STDIO_PTR_LVALUE if the | |
1479 | FILE_ptr macro can be used as an lvalue. | |
1480 | ||
1481 | d_stdio_stream_array (stdio_streams.U): | |
1482 | This variable tells whether there is an array holding | |
1483 | the stdio streams. | |
1484 | ||
1485 | d_stdiobase (d_stdstdio.U): | |
1486 | This variable conditionally defines USE_STDIO_BASE if this system | |
1487 | has a FILE structure declaring a usable _base field (or equivalent) | |
1488 | in stdio.h. | |
1489 | ||
1490 | d_stdstdio (d_stdstdio.U): | |
1491 | This variable conditionally defines USE_STDIO_PTR if this system | |
1492 | has a FILE structure declaring usable _ptr and _cnt fields (or | |
1493 | equivalent) in stdio.h. | |
1494 | ||
781b178c JH |
1495 | d_strchr (d_strchr.U): |
1496 | This variable conditionally defines HAS_STRCHR if strchr() and | |
1497 | strrchr() are available for string searching. | |
1498 | ||
1499 | d_strcoll (d_strcoll.U): | |
1500 | This variable conditionally defines HAS_STRCOLL if strcoll() is | |
1501 | available to compare strings using collating information. | |
1502 | ||
1503 | d_strctcpy (d_strctcpy.U): | |
1504 | This variable conditionally defines the USE_STRUCT_COPY symbol, which | |
1505 | indicates to the C program that this C compiler knows how to copy | |
1506 | structures. | |
1507 | ||
1508 | d_strerrm (d_strerror.U): | |
1509 | This variable holds what Strerrr is defined as to translate an error | |
1510 | code condition into an error message string. It could be 'strerror' | |
1511 | or a more complex macro emulating strrror with sys_errlist[], or the | |
1512 | "unknown" string when both strerror and sys_errlist are missing. | |
1513 | ||
1514 | d_strerror (d_strerror.U): | |
1515 | This variable conditionally defines HAS_STRERROR if strerror() is | |
1516 | available to translate error numbers to strings. | |
1517 | ||
1518 | d_strtod (d_strtod.U): | |
1519 | This variable conditionally defines the HAS_STRTOD symbol, which | |
1520 | indicates to the C program that the strtod() routine is available | |
1521 | to provide better numeric string conversion than atof(). | |
1522 | ||
1523 | d_strtol (d_strtol.U): | |
1524 | This variable conditionally defines the HAS_STRTOL symbol, which | |
1525 | indicates to the C program that the strtol() routine is available | |
1526 | to provide better numeric string conversion than atoi() and friends. | |
1527 | ||
ff935051 JH |
1528 | d_strtold (d_strtold.U): |
1529 | This variable conditionally defines the HAS_STRTOLD symbol, which | |
1530 | indicates to the C program that the strtold() routine is available. | |
1531 | ||
76d49b1c JH |
1532 | d_strtoll (d_strtoll.U): |
1533 | This variable conditionally defines the HAS_STRTOLL symbol, which | |
1534 | indicates to the C program that the strtoll() routine is available. | |
1535 | ||
781b178c JH |
1536 | d_strtoul (d_strtoul.U): |
1537 | This variable conditionally defines the HAS_STRTOUL symbol, which | |
1538 | indicates to the C program that the strtoul() routine is available | |
1539 | to provide conversion of strings to unsigned long. | |
1540 | ||
ff935051 | 1541 | d_strtoull (d_strtoull.U): |
11dc3f68 JH |
1542 | This variable conditionally defines the HAS_STRTOULL symbol, which |
1543 | indicates to the C program that the strtoull() routine is available. | |
1544 | ||
ff935051 JH |
1545 | d_strtouq (d_strtouq.U): |
1546 | This variable conditionally defines the HAS_STRTOUQ symbol, which | |
1547 | indicates to the C program that the strtouq() routine is available. | |
1548 | ||
781b178c JH |
1549 | d_strxfrm (d_strxfrm.U): |
1550 | This variable conditionally defines HAS_STRXFRM if strxfrm() is | |
1551 | available to transform strings. | |
1552 | ||
1553 | d_suidsafe (d_dosuid.U): | |
1554 | This variable conditionally defines SETUID_SCRIPTS_ARE_SECURE_NOW | |
1555 | if setuid scripts can be secure. This test looks in /dev/fd/. | |
1556 | ||
1557 | d_symlink (d_symlink.U): | |
1558 | This variable conditionally defines the HAS_SYMLINK symbol, which | |
1559 | indicates to the C program that the symlink() routine is available | |
1560 | to create symbolic links. | |
1561 | ||
1562 | d_syscall (d_syscall.U): | |
1563 | This variable conditionally defines HAS_SYSCALL if syscall() is | |
1564 | available call arbitrary system calls. | |
1565 | ||
1566 | d_sysconf (d_sysconf.U): | |
1567 | This variable conditionally defines the HAS_SYSCONF symbol, which | |
1568 | indicates to the C program that the sysconf() routine is available | |
1569 | to determine system related limits and options. | |
1570 | ||
1571 | d_sysernlst (d_strerror.U): | |
1572 | This variable conditionally defines HAS_SYS_ERRNOLIST if sys_errnolist[] | |
1573 | is available to translate error numbers to the symbolic name. | |
1574 | ||
1575 | d_syserrlst (d_strerror.U): | |
1576 | This variable conditionally defines HAS_SYS_ERRLIST if sys_errlist[] is | |
1577 | available to translate error numbers to strings. | |
1578 | ||
1579 | d_system (d_system.U): | |
1580 | This variable conditionally defines HAS_SYSTEM if system() is | |
1581 | available to issue a shell command. | |
1582 | ||
1583 | d_tcgetpgrp (d_tcgtpgrp.U): | |
1584 | This variable conditionally defines the HAS_TCGETPGRP symbol, which | |
1585 | indicates to the C program that the tcgetpgrp() routine is available. | |
1586 | to get foreground process group ID. | |
1587 | ||
1588 | d_tcsetpgrp (d_tcstpgrp.U): | |
1589 | This variable conditionally defines the HAS_TCSETPGRP symbol, which | |
1590 | indicates to the C program that the tcsetpgrp() routine is available | |
1591 | to set foreground process group ID. | |
1592 | ||
781b178c JH |
1593 | d_telldir (d_readdir.U): |
1594 | This variable conditionally defines HAS_TELLDIR if telldir() is | |
1595 | available. | |
1596 | ||
1597 | d_telldirproto (d_telldirproto.U): | |
1598 | This variable conditionally defines the HAS_TELLDIR_PROTO symbol, | |
1599 | which indicates to the C program that the system provides | |
1600 | a prototype for the telldir() function. Otherwise, it is | |
1601 | up to the program to supply one. | |
1602 | ||
1603 | d_time (d_time.U): | |
1604 | This variable conditionally defines the HAS_TIME symbol, which indicates | |
1605 | that the time() routine exists. The time() routine is normaly | |
1606 | provided on UNIX systems. | |
1607 | ||
1608 | d_times (d_times.U): | |
1609 | This variable conditionally defines the HAS_TIMES symbol, which indicates | |
1610 | that the times() routine exists. The times() routine is normaly | |
1611 | provided on UNIX systems. You may have to include <sys/times.h>. | |
1612 | ||
781b178c JH |
1613 | d_truncate (d_truncate.U): |
1614 | This variable conditionally defines HAS_TRUNCATE if truncate() is | |
1615 | available to truncate files. | |
1616 | ||
1617 | d_tzname (d_tzname.U): | |
1618 | This variable conditionally defines HAS_TZNAME if tzname[] is | |
1619 | available to access timezone names. | |
1620 | ||
1621 | d_umask (d_umask.U): | |
1622 | This variable conditionally defines the HAS_UMASK symbol, which | |
1623 | indicates to the C program that the umask() routine is available. | |
1624 | to set and get the value of the file creation mask. | |
1625 | ||
1626 | d_uname (d_gethname.U): | |
1627 | This variable conditionally defines the HAS_UNAME symbol, which | |
1628 | indicates to the C program that the uname() routine may be | |
1629 | used to derive the host name. | |
1630 | ||
1631 | d_union_semun (d_union_semun.U): | |
1632 | This variable conditionally defines HAS_UNION_SEMUN if the | |
1633 | union semun is defined by including <sys/sem.h>. | |
1634 | ||
0545a864 JH |
1635 | d_ustat (d_ustat.U): |
1636 | This variable conditionally defines HAS_USTAT if ustat() is | |
1637 | available to query file system statistics by dev_t. | |
1638 | ||
526fdc24 MS |
1639 | d_vendorarch (vendorarch.U): |
1640 | This variable conditionally defined PERL_VENDORARCH. | |
1641 | ||
0617aed7 JH |
1642 | d_vendorbin (vendorbin.U): |
1643 | This variable conditionally defines PERL_VENDORBIN. | |
1644 | ||
a3635516 JH |
1645 | d_vendorlib (vendorlib.U): |
1646 | This variable conditionally defines PERL_VENDORLIB. | |
1647 | ||
781b178c JH |
1648 | d_vfork (d_vfork.U): |
1649 | This variable conditionally defines the HAS_VFORK symbol, which | |
1650 | indicates the vfork() routine is available. | |
1651 | ||
1652 | d_void_closedir (d_closedir.U): | |
1653 | This variable conditionally defines VOID_CLOSEDIR if closedir() | |
1654 | does not return a value. | |
1655 | ||
1656 | d_voidsig (d_voidsig.U): | |
1657 | This variable conditionally defines VOIDSIG if this system | |
1658 | declares "void (*signal(...))()" in signal.h. The old way was to | |
1659 | declare it as "int (*signal(...))()". | |
1660 | ||
1661 | d_voidtty (i_sysioctl.U): | |
1662 | This variable conditionally defines USE_IOCNOTTY to indicate that the | |
1663 | ioctl() call with TIOCNOTTY should be used to void tty association. | |
1664 | Otherwise (on USG probably), it is enough to close the standard file | |
1665 | decriptors and do a setpgrp(). | |
1666 | ||
1667 | d_volatile (d_volatile.U): | |
1668 | This variable conditionally defines the HASVOLATILE symbol, which | |
1669 | indicates to the C program that this C compiler knows about the | |
1670 | volatile declaration. | |
1671 | ||
1672 | d_vprintf (d_vprintf.U): | |
1673 | This variable conditionally defines the HAS_VPRINTF symbol, which | |
1674 | indicates to the C program that the vprintf() routine is available | |
1675 | to printf with a pointer to an argument list. | |
1676 | ||
1677 | d_wait4 (d_wait4.U): | |
1678 | This variable conditionally defines the HAS_WAIT4 symbol, which | |
1679 | indicates the wait4() routine is available. | |
1680 | ||
1681 | d_waitpid (d_waitpid.U): | |
1682 | This variable conditionally defines HAS_WAITPID if waitpid() is | |
1683 | available to wait for child process. | |
1684 | ||
1685 | d_wcstombs (d_wcstombs.U): | |
1686 | This variable conditionally defines the HAS_WCSTOMBS symbol, which | |
1687 | indicates to the C program that the wcstombs() routine is available | |
1688 | to convert wide character strings to multibyte strings. | |
1689 | ||
1690 | d_wctomb (d_wctomb.U): | |
1691 | This variable conditionally defines the HAS_WCTOMB symbol, which | |
1692 | indicates to the C program that the wctomb() routine is available | |
1693 | to convert a wide character to a multibyte. | |
1694 | ||
781b178c JH |
1695 | d_xenix (Guess.U): |
1696 | This variable conditionally defines the symbol XENIX, which alerts | |
1697 | the C program that it runs under Xenix. | |
1698 | ||
1699 | date (Loc.U): | |
5bf26616 | 1700 | This variable is used internally by Configure to determine the |
781b178c JH |
1701 | full pathname (if any) of the date program. After Configure runs, |
1702 | the value is reset to a plain "date" and is not useful. | |
1703 | ||
1704 | db_hashtype (i_db.U): | |
1705 | This variable contains the type of the hash structure element | |
1706 | in the <db.h> header file. In older versions of DB, it was | |
1707 | int, while in newer ones it is u_int32_t. | |
1708 | ||
1709 | db_prefixtype (i_db.U): | |
1710 | This variable contains the type of the prefix structure element | |
1711 | in the <db.h> header file. In older versions of DB, it was | |
1712 | int, while in newer ones it is size_t. | |
1713 | ||
1714 | defvoidused (voidflags.U): | |
1715 | This variable contains the default value of the VOIDUSED symbol (15). | |
1716 | ||
1717 | direntrytype (i_dirent.U): | |
1718 | This symbol is set to 'struct direct' or 'struct dirent' depending on | |
1719 | whether dirent is available or not. You should use this pseudo type to | |
1720 | portably declare your directory entries. | |
1721 | ||
1722 | dlext (dlext.U): | |
1723 | This variable contains the extension that is to be used for the | |
1724 | dynamically loaded modules that perl generaties. | |
1725 | ||
1726 | dlsrc (dlsrc.U): | |
1727 | This variable contains the name of the dynamic loading file that | |
1728 | will be used with the package. | |
1729 | ||
1730 | doublesize (doublesize.U): | |
1731 | This variable contains the value of the DOUBLESIZE symbol, which | |
1732 | indicates to the C program how many bytes there are in a double. | |
1733 | ||
1734 | drand01 (randfunc.U): | |
1735 | Indicates the macro to be used to generate normalized | |
1736 | random numbers. Uses randfunc, often divided by | |
1737 | (double) (((unsigned long) 1 << randbits)) in order to | |
1738 | normalize the result. | |
1739 | In C programs, the macro 'Drand01' is mapped to drand01. | |
1740 | ||
1741 | dynamic_ext (Extensions.U): | |
1742 | This variable holds a list of XS extension files we want to | |
1743 | link dynamically into the package. It is used by Makefile. | |
1744 | ||
1745 | eagain (nblock_io.U): | |
1746 | This variable bears the symbolic errno code set by read() when no | |
1747 | data is present on the file and non-blocking I/O was enabled (otherwise, | |
1748 | read() blocks naturally). | |
1749 | ||
1750 | ebcdic (ebcdic.U): | |
1751 | This variable conditionally defines EBCDIC if this | |
1752 | system uses EBCDIC encoding. Among other things, this | |
1753 | means that the character ranges are not contiguous. | |
1754 | See trnl.U | |
1755 | ||
1756 | echo (Loc.U): | |
5bf26616 | 1757 | This variable is used internally by Configure to determine the |
781b178c JH |
1758 | full pathname (if any) of the echo program. After Configure runs, |
1759 | the value is reset to a plain "echo" and is not useful. | |
1760 | ||
1761 | egrep (Loc.U): | |
5bf26616 | 1762 | This variable is used internally by Configure to determine the |
781b178c JH |
1763 | full pathname (if any) of the egrep program. After Configure runs, |
1764 | the value is reset to a plain "egrep" and is not useful. | |
1765 | ||
1766 | emacs (Loc.U): | |
1767 | This variable is defined but not used by Configure. | |
1768 | The value is a plain '' and is not useful. | |
1769 | ||
1770 | eunicefix (Init.U): | |
1771 | When running under Eunice this variable contains a command which will | |
1772 | convert a shell script to the proper form of text file for it to be | |
1773 | executable by the shell. On other systems it is a no-op. | |
1774 | ||
1775 | exe_ext (Unix.U): | |
1776 | This is an old synonym for _exe. | |
1777 | ||
1778 | expr (Loc.U): | |
5bf26616 | 1779 | This variable is used internally by Configure to determine the |
781b178c JH |
1780 | full pathname (if any) of the expr program. After Configure runs, |
1781 | the value is reset to a plain "expr" and is not useful. | |
1782 | ||
1783 | extensions (Extensions.U): | |
1784 | This variable holds a list of all extension files (both XS and | |
1785 | non-xs linked into the package. It is propagated to Config.pm | |
1786 | and is typically used to test whether a particular extesion | |
1787 | is available. | |
1788 | ||
1789 | fflushall (fflushall.U): | |
1790 | This symbol, if defined, tells that to flush | |
1791 | all pending stdio output one must loop through all | |
1792 | the stdio file handles stored in an array and fflush them. | |
1793 | Note that if fflushNULL is defined, fflushall will not | |
1794 | even be probed for and will be left undefined. | |
1795 | ||
ff935051 JH |
1796 | fflushNULL (fflushall.U): |
1797 | This symbol, if defined, tells that fflush(NULL) does flush | |
1798 | all pending stdio output. | |
1799 | ||
781b178c | 1800 | find (Loc.U): |
ff935051 JH |
1801 | This variable is defined but not used by Configure. |
1802 | The value is a plain '' and is not useful. | |
781b178c JH |
1803 | |
1804 | firstmakefile (Unix.U): | |
1805 | This variable defines the first file searched by make. On unix, | |
1806 | it is makefile (then Makefile). On case-insensitive systems, | |
1807 | it might be something else. This is only used to deal with | |
1808 | convoluted make depend tricks. | |
1809 | ||
1810 | flex (Loc.U): | |
1811 | This variable is defined but not used by Configure. | |
1812 | The value is a plain '' and is not useful. | |
1813 | ||
a22e52b9 JH |
1814 | fpossize (fpossize.U): |
1815 | This variable contains the size of a fpostype in bytes. | |
1816 | ||
781b178c | 1817 | fpostype (fpostype.U): |
a22e52b9 | 1818 | This variable defines Fpos_t to be something like fpos_t, long, |
781b178c JH |
1819 | uint, or whatever type is used to declare file positions in libc. |
1820 | ||
1821 | freetype (mallocsrc.U): | |
1822 | This variable contains the return type of free(). It is usually | |
1823 | void, but occasionally int. | |
1824 | ||
1825 | full_ar (Loc_ar.U): | |
1826 | This variable contains the full pathname to 'ar', whether or | |
1827 | not the user has specified 'portability'. This is only used | |
1828 | in the Makefile.SH. | |
1829 | ||
1830 | full_csh (d_csh.U): | |
1831 | This variable contains the full pathname to 'csh', whether or | |
1832 | not the user has specified 'portability'. This is only used | |
1833 | in the compiled C program, and we assume that all systems which | |
1834 | can share this executable will have the same full pathname to | |
1835 | 'csh.' | |
1836 | ||
1837 | full_sed (Loc_sed.U): | |
1838 | This variable contains the full pathname to 'sed', whether or | |
1839 | not the user has specified 'portability'. This is only used | |
1840 | in the compiled C program, and we assume that all systems which | |
1841 | can share this executable will have the same full pathname to | |
1842 | 'sed.' | |
1843 | ||
af960fef JH |
1844 | gccosandvers (gccvers.U): |
1845 | If GNU cc (gcc) is used, this variable the operating system and | |
1846 | version used to compile the gcc. It is set to '' if not gcc, | |
1847 | or if nothing useful can be parsed as the os version. | |
1848 | ||
1849 | gccversion (gccvers.U): | |
781b178c JH |
1850 | If GNU cc (gcc) is used, this variable holds '1' or '2' to |
1851 | indicate whether the compiler is version 1 or 2. This is used in | |
1852 | setting some of the default cflags. It is set to '' if not gcc. | |
1853 | ||
a22e52b9 JH |
1854 | gidformat (gidf.U): |
1855 | This variable contains the format string used for printing a Gid_t. | |
1856 | ||
785fb66b JH |
1857 | gidsign (gidsign.U): |
1858 | This variable contains the signedness of a gidtype. | |
1859 | 1 for unsigned, -1 for signed. | |
1860 | ||
1861 | gidsize (gidsize.U): | |
1862 | This variable contains the size of a gidtype in bytes. | |
1863 | ||
781b178c JH |
1864 | gidtype (gidtype.U): |
1865 | This variable defines Gid_t to be something like gid_t, int, | |
1866 | ushort, or whatever type is used to declare the return type | |
1867 | of getgid(). Typically, it is the type of group ids in the kernel. | |
1868 | ||
1869 | glibpth (libpth.U): | |
1870 | This variable holds the general path (space-separated) used to | |
1871 | find libraries. It may contain directories that do not exist on | |
1872 | this platform, libpth is the cleaned-up version. | |
1873 | ||
1874 | grep (Loc.U): | |
5bf26616 | 1875 | This variable is used internally by Configure to determine the |
781b178c JH |
1876 | full pathname (if any) of the grep program. After Configure runs, |
1877 | the value is reset to a plain "grep" and is not useful. | |
1878 | ||
1879 | groupcat (nis.U): | |
1880 | This variable contains a command that produces the text of the | |
1881 | /etc/group file. This is normally "cat /etc/group", but can be | |
1882 | "ypcat group" when NIS is used. | |
aaacdc8b GS |
1883 | On some systems, such as os390, there may be no equivalent |
1884 | command, in which case this variable is unset. | |
781b178c JH |
1885 | |
1886 | groupstype (groupstype.U): | |
1887 | This variable defines Groups_t to be something like gid_t, int, | |
1888 | ushort, or whatever type is used for the second argument to | |
1889 | getgroups() and setgroups(). Usually, this is the same as | |
1890 | gidtype (gid_t), but sometimes it isn't. | |
1891 | ||
1892 | gzip (Loc.U): | |
5bf26616 | 1893 | This variable is used internally by Configure to determine the |
781b178c JH |
1894 | full pathname (if any) of the gzip program. After Configure runs, |
1895 | the value is reset to a plain "gzip" and is not useful. | |
1896 | ||
1897 | h_fcntl (h_fcntl.U): | |
1898 | This is variable gets set in various places to tell i_fcntl that | |
1899 | <fcntl.h> should be included. | |
1900 | ||
1901 | h_sysfile (h_sysfile.U): | |
1902 | This is variable gets set in various places to tell i_sys_file that | |
1903 | <sys/file.h> should be included. | |
1904 | ||
1905 | hint (Oldconfig.U): | |
1906 | Gives the type of hints used for previous answers. May be one of | |
1907 | "default", "recommended" or "previous". | |
1908 | ||
1909 | hostcat (nis.U): | |
1910 | This variable contains a command that produces the text of the | |
1911 | /etc/hosts file. This is normally "cat /etc/hosts", but can be | |
1912 | "ypcat hosts" when NIS is used. | |
aaacdc8b GS |
1913 | On some systems, such as os390, there may be no equivalent |
1914 | command, in which case this variable is unset. | |
781b178c | 1915 | |
a22e52b9 JH |
1916 | i16size (perlxv.U): |
1917 | This variable is the size of an I16 in bytes. | |
1918 | ||
1919 | i16type (perlxv.U): | |
1920 | This variable contains the C type used for Perl's I16. | |
1921 | ||
1922 | i32size (perlxv.U): | |
1923 | This variable is the size of an I32 in bytes. | |
1924 | ||
1925 | i32type (perlxv.U): | |
1926 | This variable contains the C type used for Perl's I32. | |
1927 | ||
1928 | i64size (perlxv.U): | |
1929 | This variable is the size of an I64 in bytes. | |
1930 | ||
1931 | i64type (perlxv.U): | |
1932 | This variable contains the C type used for Perl's I64. | |
1933 | ||
1934 | i8size (perlxv.U): | |
1935 | This variable is the size of an I8 in bytes. | |
1936 | ||
1937 | i8type (perlxv.U): | |
1938 | This variable contains the C type used for Perl's I8. | |
1939 | ||
781b178c JH |
1940 | i_arpainet (i_arpainet.U): |
1941 | This variable conditionally defines the I_ARPA_INET symbol, | |
1942 | and indicates whether a C program should include <arpa/inet.h>. | |
1943 | ||
1944 | i_bsdioctl (i_sysioctl.U): | |
1945 | This variable conditionally defines the I_SYS_BSDIOCTL symbol, which | |
1946 | indicates to the C program that <sys/bsdioctl.h> exists and should | |
1947 | be included. | |
1948 | ||
1949 | i_db (i_db.U): | |
1950 | This variable conditionally defines the I_DB symbol, and indicates | |
1951 | whether a C program may include Berkeley's DB include file <db.h>. | |
1952 | ||
1953 | i_dbm (i_dbm.U): | |
1954 | This variable conditionally defines the I_DBM symbol, which | |
1955 | indicates to the C program that <dbm.h> exists and should | |
1956 | be included. | |
1957 | ||
1958 | i_dirent (i_dirent.U): | |
1959 | This variable conditionally defines I_DIRENT, which indicates | |
1960 | to the C program that it should include <dirent.h>. | |
1961 | ||
1962 | i_dld (i_dld.U): | |
1963 | This variable conditionally defines the I_DLD symbol, which | |
1964 | indicates to the C program that <dld.h> (GNU dynamic loading) | |
1965 | exists and should be included. | |
1966 | ||
1967 | i_dlfcn (i_dlfcn.U): | |
1968 | This variable conditionally defines the I_DLFCN symbol, which | |
1969 | indicates to the C program that <dlfcn.h> exists and should | |
1970 | be included. | |
1971 | ||
1972 | i_fcntl (i_fcntl.U): | |
1973 | This variable controls the value of I_FCNTL (which tells | |
1974 | the C program to include <fcntl.h>). | |
1975 | ||
1976 | i_float (i_float.U): | |
1977 | This variable conditionally defines the I_FLOAT symbol, and indicates | |
1978 | whether a C program may include <float.h> to get symbols like DBL_MAX | |
1979 | or DBL_MIN, i.e. machine dependent floating point values. | |
1980 | ||
1981 | i_gdbm (i_gdbm.U): | |
1982 | This variable conditionally defines the I_GDBM symbol, which | |
1983 | indicates to the C program that <gdbm.h> exists and should | |
1984 | be included. | |
1985 | ||
1986 | i_grp (i_grp.U): | |
1987 | This variable conditionally defines the I_GRP symbol, and indicates | |
1988 | whether a C program should include <grp.h>. | |
1989 | ||
fe749a9f JH |
1990 | i_iconv (i_iconv.U): |
1991 | This variable conditionally defines the I_ICONV symbol, and indicates | |
1992 | whether a C program should include <iconv.h>. | |
1993 | ||
792d8dab JH |
1994 | i_ieeefp (i_ieeefp.U): |
1995 | This variable conditionally defines the I_IEEEFP symbol, and indicates | |
1996 | whether a C program should include <ieeefp.h>. | |
1997 | ||
781b178c JH |
1998 | i_inttypes (i_inttypes.U): |
1999 | This variable conditionally defines the I_INTTYPES symbol, | |
2000 | and indicates whether a C program should include <inttypes.h>. | |
2001 | ||
af960fef JH |
2002 | i_libutil (i_libutil.U): |
2003 | This variable conditionally defines the I_LIBUTIL symbol, and indicates | |
2004 | whether a C program should include <libutil.h>. | |
2005 | ||
781b178c JH |
2006 | i_limits (i_limits.U): |
2007 | This variable conditionally defines the I_LIMITS symbol, and indicates | |
2008 | whether a C program may include <limits.h> to get symbols like WORD_BIT | |
2009 | and friends. | |
2010 | ||
2011 | i_locale (i_locale.U): | |
2012 | This variable conditionally defines the I_LOCALE symbol, | |
2013 | and indicates whether a C program should include <locale.h>. | |
2014 | ||
2015 | i_machcthr (i_machcthr.U): | |
2016 | This variable conditionally defines the I_MACH_CTHREADS symbol, | |
2017 | and indicates whether a C program should include <mach/cthreads.h>. | |
2018 | ||
2019 | i_malloc (i_malloc.U): | |
2020 | This variable conditionally defines the I_MALLOC symbol, and indicates | |
2021 | whether a C program should include <malloc.h>. | |
2022 | ||
2023 | i_math (i_math.U): | |
2024 | This variable conditionally defines the I_MATH symbol, and indicates | |
2025 | whether a C program may include <math.h>. | |
2026 | ||
2027 | i_memory (i_memory.U): | |
2028 | This variable conditionally defines the I_MEMORY symbol, and indicates | |
2029 | whether a C program should include <memory.h>. | |
2030 | ||
2031 | i_mntent (i_mntent.U): | |
2032 | This variable conditionally defines the I_MNTENT symbol, and indicates | |
2033 | whether a C program should include <mntent.h>. | |
2034 | ||
2035 | i_ndbm (i_ndbm.U): | |
2036 | This variable conditionally defines the I_NDBM symbol, which | |
2037 | indicates to the C program that <ndbm.h> exists and should | |
2038 | be included. | |
2039 | ||
2040 | i_netdb (i_netdb.U): | |
2041 | This variable conditionally defines the I_NETDB symbol, and indicates | |
2042 | whether a C program should include <netdb.h>. | |
2043 | ||
2044 | i_neterrno (i_neterrno.U): | |
2045 | This variable conditionally defines the I_NET_ERRNO symbol, which | |
2046 | indicates to the C program that <net/errno.h> exists and should | |
2047 | be included. | |
2048 | ||
2049 | i_netinettcp (i_netinettcp.U): | |
2050 | This variable conditionally defines the I_NETINET_TCP symbol, | |
2051 | and indicates whether a C program should include <netinet/tcp.h>. | |
2052 | ||
2053 | i_niin (i_niin.U): | |
2054 | This variable conditionally defines I_NETINET_IN, which indicates | |
2055 | to the C program that it should include <netinet/in.h>. Otherwise, | |
2056 | you may try <sys/in.h>. | |
2057 | ||
2058 | i_poll (i_poll.U): | |
2059 | This variable conditionally defines the I_POLL symbol, and indicates | |
2060 | whether a C program should include <poll.h>. | |
2061 | ||
3813c136 JH |
2062 | i_prot (i_prot.U): |
2063 | This variable conditionally defines the I_PROT symbol, and indicates | |
2064 | whether a C program should include <prot.h>. | |
2065 | ||
781b178c | 2066 | i_pthread (i_pthread.U): |
190b66db | 2067 | This variable conditionally defines the I_PTHREAD symbol, |
781b178c JH |
2068 | and indicates whether a C program should include <pthread.h>. |
2069 | ||
2070 | i_pwd (i_pwd.U): | |
2071 | This variable conditionally defines I_PWD, which indicates | |
2072 | to the C program that it should include <pwd.h>. | |
2073 | ||
2074 | i_rpcsvcdbm (i_dbm.U): | |
2075 | This variable conditionally defines the I_RPCSVC_DBM symbol, which | |
2076 | indicates to the C program that <rpcsvc/dbm.h> exists and should | |
2077 | be included. Some System V systems might need this instead of <dbm.h>. | |
2078 | ||
2079 | i_sfio (i_sfio.U): | |
2080 | This variable conditionally defines the I_SFIO symbol, | |
2081 | and indicates whether a C program should include <sfio.h>. | |
2082 | ||
2083 | i_sgtty (i_termio.U): | |
2084 | This variable conditionally defines the I_SGTTY symbol, which | |
2085 | indicates to the C program that it should include <sgtty.h> rather | |
2086 | than <termio.h>. | |
2087 | ||
2088 | i_shadow (i_shadow.U): | |
2089 | This variable conditionally defines the I_SHADOW symbol, and indicates | |
2090 | whether a C program should include <shadow.h>. | |
2091 | ||
2092 | i_socks (i_socks.U): | |
2093 | This variable conditionally defines the I_SOCKS symbol, and indicates | |
2094 | whether a C program should include <socks.h>. | |
2095 | ||
2096 | i_stdarg (i_varhdr.U): | |
2097 | This variable conditionally defines the I_STDARG symbol, which | |
2098 | indicates to the C program that <stdarg.h> exists and should | |
2099 | be included. | |
2100 | ||
2101 | i_stddef (i_stddef.U): | |
2102 | This variable conditionally defines the I_STDDEF symbol, which | |
2103 | indicates to the C program that <stddef.h> exists and should | |
2104 | be included. | |
2105 | ||
2106 | i_stdlib (i_stdlib.U): | |
2107 | This variable conditionally defines the I_STDLIB symbol, which | |
2108 | indicates to the C program that <stdlib.h> exists and should | |
2109 | be included. | |
2110 | ||
2111 | i_string (i_string.U): | |
2112 | This variable conditionally defines the I_STRING symbol, which | |
2113 | indicates that <string.h> should be included rather than <strings.h>. | |
2114 | ||
792d8dab JH |
2115 | i_sunmath (i_sunmath.U): |
2116 | This variable conditionally defines the I_SUNMATH symbol, and indicates | |
2117 | whether a C program should include <sunmath.h>. | |
2118 | ||
781b178c JH |
2119 | i_sysaccess (i_sysaccess.U): |
2120 | This variable conditionally defines the I_SYS_ACCESS symbol, | |
2121 | and indicates whether a C program should include <sys/access.h>. | |
2122 | ||
2123 | i_sysdir (i_sysdir.U): | |
2124 | This variable conditionally defines the I_SYS_DIR symbol, and indicates | |
2125 | whether a C program should include <sys/dir.h>. | |
2126 | ||
2127 | i_sysfile (i_sysfile.U): | |
2128 | This variable conditionally defines the I_SYS_FILE symbol, and indicates | |
2129 | whether a C program should include <sys/file.h> to get R_OK and friends. | |
2130 | ||
2131 | i_sysfilio (i_sysioctl.U): | |
2132 | This variable conditionally defines the I_SYS_FILIO symbol, which | |
2133 | indicates to the C program that <sys/filio.h> exists and should | |
2134 | be included in preference to <sys/ioctl.h>. | |
2135 | ||
2136 | i_sysin (i_niin.U): | |
2137 | This variable conditionally defines I_SYS_IN, which indicates | |
2138 | to the C program that it should include <sys/in.h> instead of | |
2139 | <netinet/in.h>. | |
2140 | ||
2141 | i_sysioctl (i_sysioctl.U): | |
2142 | This variable conditionally defines the I_SYS_IOCTL symbol, which | |
2143 | indicates to the C program that <sys/ioctl.h> exists and should | |
2144 | be included. | |
2145 | ||
ca52efda JH |
2146 | i_syslog (i_syslog.U): |
2147 | This variable conditionally defines the I_SYSLOG symbol, | |
2148 | and indicates whether a C program should include <syslog.h>. | |
2149 | ||
fe749a9f JH |
2150 | i_sysmman (i_sysmman.U): |
2151 | This variable conditionally defines the I_SYS_MMAN symbol, and | |
2152 | indicates whether a C program should include <sys/mman.h>. | |
2153 | ||
87b71857 JH |
2154 | i_sysmode (i_sysmode.U): |
2155 | This variable conditionally defines the I_SYSMODE symbol, | |
2156 | and indicates whether a C program should include <sys/mode.h>. | |
2157 | ||
781b178c JH |
2158 | i_sysmount (i_sysmount.U): |
2159 | This variable conditionally defines the I_SYSMOUNT symbol, | |
2160 | and indicates whether a C program should include <sys/mount.h>. | |
2161 | ||
2162 | i_sysndir (i_sysndir.U): | |
2163 | This variable conditionally defines the I_SYS_NDIR symbol, and indicates | |
2164 | whether a C program should include <sys/ndir.h>. | |
2165 | ||
2166 | i_sysparam (i_sysparam.U): | |
2167 | This variable conditionally defines the I_SYS_PARAM symbol, and indicates | |
2168 | whether a C program should include <sys/param.h>. | |
2169 | ||
2170 | i_sysresrc (i_sysresrc.U): | |
2171 | This variable conditionally defines the I_SYS_RESOURCE symbol, | |
2172 | and indicates whether a C program should include <sys/resource.h>. | |
2173 | ||
2174 | i_syssecrt (i_syssecrt.U): | |
2175 | This variable conditionally defines the I_SYS_SECURITY symbol, | |
2176 | and indicates whether a C program should include <sys/security.h>. | |
2177 | ||
2178 | i_sysselct (i_sysselct.U): | |
2179 | This variable conditionally defines I_SYS_SELECT, which indicates | |
2180 | to the C program that it should include <sys/select.h> in order to | |
2181 | get the definition of struct timeval. | |
2182 | ||
2183 | i_syssockio (i_sysioctl.U): | |
2184 | This variable conditionally defines I_SYS_SOCKIO to indicate to the | |
2185 | C program that socket ioctl codes may be found in <sys/sockio.h> | |
2186 | instead of <sys/ioctl.h>. | |
2187 | ||
2188 | i_sysstat (i_sysstat.U): | |
2189 | This variable conditionally defines the I_SYS_STAT symbol, | |
2190 | and indicates whether a C program should include <sys/stat.h>. | |
2191 | ||
0545a864 JH |
2192 | i_sysstatfs (i_sysstatfs.U): |
2193 | This variable conditionally defines the I_SYSSTATFS symbol, | |
2194 | and indicates whether a C program should include <sys/statfs.h>. | |
2195 | ||
781b178c JH |
2196 | i_sysstatvfs (i_sysstatvfs.U): |
2197 | This variable conditionally defines the I_SYSSTATVFS symbol, | |
2198 | and indicates whether a C program should include <sys/statvfs.h>. | |
2199 | ||
2200 | i_systime (i_time.U): | |
2201 | This variable conditionally defines I_SYS_TIME, which indicates | |
2202 | to the C program that it should include <sys/time.h>. | |
2203 | ||
2204 | i_systimek (i_time.U): | |
2205 | This variable conditionally defines I_SYS_TIME_KERNEL, which | |
2206 | indicates to the C program that it should include <sys/time.h> | |
2207 | with KERNEL defined. | |
2208 | ||
2209 | i_systimes (i_systimes.U): | |
2210 | This variable conditionally defines the I_SYS_TIMES symbol, and indicates | |
2211 | whether a C program should include <sys/times.h>. | |
2212 | ||
2213 | i_systypes (i_systypes.U): | |
2214 | This variable conditionally defines the I_SYS_TYPES symbol, | |
2215 | and indicates whether a C program should include <sys/types.h>. | |
2216 | ||
2217 | i_sysuio (i_sysuio.U): | |
2218 | This variable conditionally defines the I_SYSUIO symbol, and indicates | |
2219 | whether a C program should include <sys/uio.h>. | |
2220 | ||
2221 | i_sysun (i_sysun.U): | |
2222 | This variable conditionally defines I_SYS_UN, which indicates | |
2223 | to the C program that it should include <sys/un.h> to get UNIX | |
2224 | domain socket definitions. | |
2225 | ||
d4935d7f JH |
2226 | i_sysutsname (i_sysutsname.U): |
2227 | This variable conditionally defines the I_SYSUTSNAME symbol, | |
2228 | and indicates whether a C program should include <sys/utsname.h>. | |
2229 | ||
0545a864 JH |
2230 | i_sysvfs (i_sysvfs.U): |
2231 | This variable conditionally defines the I_SYSVFS symbol, | |
2232 | and indicates whether a C program should include <sys/vfs.h>. | |
2233 | ||
781b178c JH |
2234 | i_syswait (i_syswait.U): |
2235 | This variable conditionally defines I_SYS_WAIT, which indicates | |
2236 | to the C program that it should include <sys/wait.h>. | |
2237 | ||
2238 | i_termio (i_termio.U): | |
2239 | This variable conditionally defines the I_TERMIO symbol, which | |
2240 | indicates to the C program that it should include <termio.h> rather | |
2241 | than <sgtty.h>. | |
2242 | ||
2243 | i_termios (i_termio.U): | |
2244 | This variable conditionally defines the I_TERMIOS symbol, which | |
2245 | indicates to the C program that the POSIX <termios.h> file is | |
2246 | to be included. | |
2247 | ||
2248 | i_time (i_time.U): | |
2249 | This variable conditionally defines I_TIME, which indicates | |
2250 | to the C program that it should include <time.h>. | |
2251 | ||
2252 | i_unistd (i_unistd.U): | |
2253 | This variable conditionally defines the I_UNISTD symbol, and indicates | |
2254 | whether a C program should include <unistd.h>. | |
2255 | ||
0545a864 JH |
2256 | i_ustat (i_ustat.U): |
2257 | This variable conditionally defines the I_USTAT symbol, and indicates | |
2258 | whether a C program should include <ustat.h>. | |
2259 | ||
781b178c JH |
2260 | i_utime (i_utime.U): |
2261 | This variable conditionally defines the I_UTIME symbol, and indicates | |
2262 | whether a C program should include <utime.h>. | |
2263 | ||
2264 | i_values (i_values.U): | |
2265 | This variable conditionally defines the I_VALUES symbol, and indicates | |
2266 | whether a C program may include <values.h> to get symbols like MAXLONG | |
2267 | and friends. | |
2268 | ||
2269 | i_varargs (i_varhdr.U): | |
2270 | This variable conditionally defines I_VARARGS, which indicates | |
2271 | to the C program that it should include <varargs.h>. | |
2272 | ||
2273 | i_varhdr (i_varhdr.U): | |
2274 | Contains the name of the header to be included to get va_dcl definition. | |
2275 | Typically one of varargs.h or stdarg.h. | |
2276 | ||
2277 | i_vfork (i_vfork.U): | |
2278 | This variable conditionally defines the I_VFORK symbol, and indicates | |
2279 | whether a C program should include vfork.h. | |
2280 | ||
2281 | ignore_versioned_solibs (libs.U): | |
2282 | This variable should be non-empty if non-versioned shared | |
2283 | libraries (libfoo.so.x.y) are to be ignored (because they | |
2284 | cannot be linked against). | |
2285 | ||
ff935051 JH |
2286 | inc_version_list (inc_version_list.U): |
2287 | This variable specifies the list of subdirectories in over | |
2288 | which perl.c:incpush() and lib/lib.pm will automatically | |
3a096bf3 JH |
2289 | search when adding directories to @INC. The elements in |
2290 | the list are separated by spaces. This is only useful | |
ff935051 JH |
2291 | if you have a perl library directory tree structured like the |
2292 | default one. See INSTALL for how this works. The versioned | |
2293 | site_perl directory was introduced in 5.005, so that is the | |
2294 | lowest possible value. | |
2295 | ||
3a096bf3 JH |
2296 | inc_version_list_init (inc_version_list.U): |
2297 | This variable holds the same list as inc_version_list, but | |
2298 | each item is enclosed in double quotes and separated by commas, | |
2299 | suitable for use in the PERL_INC_VERSION_LIST initialization. | |
2300 | ||
781b178c JH |
2301 | incpath (usrinc.U): |
2302 | This variable must preceed the normal include path to get hte | |
2303 | right one, as in "$incpath/usr/include" or "$incpath/usr/lib". | |
2304 | Value can be "" or "/bsd43" on mips. | |
2305 | ||
2306 | inews (Loc.U): | |
2307 | This variable is defined but not used by Configure. | |
2308 | The value is a plain '' and is not useful. | |
2309 | ||
2310 | installarchlib (archlib.U): | |
2311 | This variable is really the same as archlibexp but may differ on | |
2312 | those systems using AFS. For extra portability, only this variable | |
2313 | should be used in makefiles. | |
2314 | ||
2315 | installbin (bin.U): | |
2316 | This variable is the same as binexp unless AFS is running in which case | |
2317 | the user is explicitely prompted for it. This variable should always | |
2318 | be used in your makefiles for maximum portability. | |
2319 | ||
2320 | installman1dir (man1dir.U): | |
2321 | This variable is really the same as man1direxp, unless you are using | |
2322 | AFS in which case it points to the read/write location whereas | |
2323 | man1direxp only points to the read-only access location. For extra | |
2324 | portability, you should only use this variable within your makefiles. | |
2325 | ||
2326 | installman3dir (man3dir.U): | |
2327 | This variable is really the same as man3direxp, unless you are using | |
2328 | AFS in which case it points to the read/write location whereas | |
2329 | man3direxp only points to the read-only access location. For extra | |
2330 | portability, you should only use this variable within your makefiles. | |
2331 | ||
2332 | installprefix (installprefix.U): | |
2333 | This variable holds the name of the directory below which | |
2334 | "make install" will install the package. For most users, this | |
2335 | is the same as prefix. However, it is useful for | |
2336 | installing the software into a different (usually temporary) | |
2337 | location after which it can be bundled up and moved somehow | |
2338 | to the final location specified by prefix. | |
2339 | ||
2340 | installprefixexp (installprefix.U): | |
2341 | This variable holds the full absolute path of installprefix | |
2342 | with all ~-expansion done. | |
2343 | ||
2344 | installprivlib (privlib.U): | |
2345 | This variable is really the same as privlibexp but may differ on | |
2346 | those systems using AFS. For extra portability, only this variable | |
2347 | should be used in makefiles. | |
2348 | ||
2349 | installscript (scriptdir.U): | |
2350 | This variable is usually the same as scriptdirexp, unless you are on | |
2351 | a system running AFS, in which case they may differ slightly. You | |
2352 | should always use this variable within your makefiles for portability. | |
2353 | ||
2354 | installsitearch (sitearch.U): | |
2355 | This variable is really the same as sitearchexp but may differ on | |
2356 | those systems using AFS. For extra portability, only this variable | |
2357 | should be used in makefiles. | |
2358 | ||
0617aed7 JH |
2359 | installsitebin (sitebin.U): |
2360 | This variable is usually the same as sitebinexp, unless you are on | |
2361 | a system running AFS, in which case they may differ slightly. You | |
2362 | should always use this variable within your makefiles for portability. | |
2363 | ||
781b178c JH |
2364 | installsitelib (sitelib.U): |
2365 | This variable is really the same as sitelibexp but may differ on | |
2366 | those systems using AFS. For extra portability, only this variable | |
2367 | should be used in makefiles. | |
2368 | ||
2369 | installstyle (installstyle.U): | |
2370 | This variable describes the "style" of the perl installation. | |
2371 | This is intended to be useful for tools that need to | |
2372 | manipulate entire perl distributions. Perl itself doesn't use | |
2373 | this to find its libraries -- the library directories are | |
2374 | stored directly in Config.pm. Currently, there are only two | |
2375 | styles: "lib" and "lib/perl5". The default library locations | |
2376 | (e.g. privlib, sitelib) are either $prefix/lib or | |
2377 | $prefix/lib/perl5. The former is useful if $prefix is a | |
2378 | directory dedicated to perl (e.g. /opt/perl), while the latter | |
2379 | is useful if $prefix is shared by many packages, e.g. if | |
2380 | $prefix=/usr/local. | |
2381 | This may later be extended to include other information, so | |
2382 | be careful with pattern-matching on the results. | |
2383 | For compatibility with perl5.005 and earlier, the default | |
2384 | setting is based on whether or not $prefix contains the string | |
2385 | "perl". | |
2386 | ||
2387 | installusrbinperl (instubperl.U): | |
2388 | This variable tells whether Perl should be installed also as | |
2389 | /usr/bin/perl in addition to | |
2390 | $installbin/perl | |
2391 | ||
526fdc24 MS |
2392 | installvendorarch (vendorarch.U): |
2393 | This variable is really the same as vendorarchexp but may differ on | |
2394 | those systems using AFS. For extra portability, only this variable | |
2395 | should be used in makefiles. | |
2396 | ||
0617aed7 JH |
2397 | installvendorbin (vendorbin.U): |
2398 | This variable is really the same as vendorbinexp but may differ on | |
2399 | those systems using AFS. For extra portability, only this variable | |
2400 | should be used in makefiles. | |
2401 | ||
a3635516 JH |
2402 | installvendorlib (vendorlib.U): |
2403 | This variable is really the same as vendorlibexp but may differ on | |
2404 | those systems using AFS. For extra portability, only this variable | |
2405 | should be used in makefiles. | |
2406 | ||
781b178c JH |
2407 | intsize (intsize.U): |
2408 | This variable contains the value of the INTSIZE symbol, which | |
2409 | indicates to the C program how many bytes there are in an int. | |
2410 | ||
a22e52b9 JH |
2411 | ivdformat (perlxvf.U): |
2412 | This variable contains the format string used for printing | |
2413 | a Perl IV as a signed decimal integer. | |
2414 | ||
2415 | ivsize (perlxv.U): | |
2416 | This variable is the size of an IV in bytes. | |
2417 | ||
2418 | ivtype (perlxv.U): | |
2419 | This variable contains the C type used for Perl's IV. | |
2420 | ||
781b178c JH |
2421 | known_extensions (Extensions.U): |
2422 | This variable holds a list of all XS extensions included in | |
2423 | the package. | |
2424 | ||
2425 | ksh (Loc.U): | |
2426 | This variable is defined but not used by Configure. | |
2427 | The value is a plain '' and is not useful. | |
2428 | ||
781b178c JH |
2429 | ld (dlsrc.U): |
2430 | This variable indicates the program to be used to link | |
2431 | libraries for dynamic loading. On some systems, it is 'ld'. | |
2432 | On ELF systems, it should be $cc. Mostly, we'll try to respect | |
2433 | the hint file setting. | |
2434 | ||
2435 | lddlflags (dlsrc.U): | |
2436 | This variable contains any special flags that might need to be | |
2437 | passed to $ld to create a shared library suitable for dynamic | |
2438 | loading. It is up to the makefile to use it. For hpux, it | |
2439 | should be '-b'. For sunos 4.1, it is empty. | |
2440 | ||
2441 | ldflags (ccflags.U): | |
2442 | This variable contains any additional C loader flags desired by | |
2443 | the user. It is up to the Makefile to use this. | |
2444 | ||
af960fef JH |
2445 | ldflags_uselargefiles (uselfs.U): |
2446 | This variable contains the loader flags needed by large file builds | |
2447 | and added to ldflags by hints files. | |
2448 | ||
781b178c JH |
2449 | ldlibpthname (libperl.U): |
2450 | This variable holds the name of the shared library | |
2451 | search path, often LD_LIBRARY_PATH. To get an empty | |
2452 | string, the hints file must set this to 'none'. | |
2453 | ||
2454 | less (Loc.U): | |
5bf26616 | 2455 | This variable is used internally by Configure to determine the |
781b178c JH |
2456 | full pathname (if any) of the less program. After Configure runs, |
2457 | the value is reset to a plain "less" and is not useful. | |
2458 | ||
2459 | lib_ext (Unix.U): | |
2460 | This is an old synonym for _a. | |
2461 | ||
2462 | libc (libc.U): | |
2463 | This variable contains the location of the C library. | |
2464 | ||
2465 | libperl (libperl.U): | |
2466 | The perl executable is obtained by linking perlmain.c with | |
2467 | libperl, any static extensions (usually just DynaLoader), | |
2468 | and any other libraries needed on this system. libperl | |
2469 | is usually libperl.a, but can also be libperl.so.xxx if | |
2470 | the user wishes to build a perl executable with a shared | |
2471 | library. | |
2472 | ||
2473 | libpth (libpth.U): | |
2474 | This variable holds the general path (space-separated) used to find | |
2475 | libraries. It is intended to be used by other units. | |
2476 | ||
2477 | libs (libs.U): | |
2478 | This variable holds the additional libraries we want to use. | |
2479 | It is up to the Makefile to deal with it. | |
2480 | ||
fe749a9f JH |
2481 | libsdirs (libs.U): |
2482 | This variable holds the directory names aka dirnames of the libraries | |
2483 | we found and accepted, duplicates are removed. | |
2484 | ||
2485 | libsfiles (libs.U): | |
2486 | This variable holds the filenames aka basenames of the libraries | |
2487 | we found and accepted. | |
2488 | ||
2489 | libsfound (libs.U): | |
2490 | This variable holds the full pathnames of the libraries | |
2491 | we found and accepted. | |
2492 | ||
13b3f787 JH |
2493 | libspath (libs.U): |
2494 | This variable holds the directory names probed for libraries. | |
2495 | ||
781b178c JH |
2496 | libswanted (Myinit.U): |
2497 | This variable holds a list of all the libraries we want to | |
2498 | search. The order is chosen to pick up the c library | |
2499 | ahead of ucb or bsd libraries for SVR4. | |
2500 | ||
af960fef JH |
2501 | libswanted_uselargefiles (uselfs.U): |
2502 | This variable contains the libraries needed by large file builds | |
2503 | and added to ldflags by hints files. It is a space separated list | |
2504 | of the library names without the "lib" prefix or any suffix, just | |
2505 | like libswanted.. | |
2506 | ||
781b178c | 2507 | line (Loc.U): |
ff935051 JH |
2508 | This variable is defined but not used by Configure. |
2509 | The value is a plain '' and is not useful. | |
781b178c JH |
2510 | |
2511 | lint (Loc.U): | |
2512 | This variable is defined but not used by Configure. | |
2513 | The value is a plain '' and is not useful. | |
2514 | ||
2515 | lkflags (ccflags.U): | |
2516 | This variable contains any additional C partial linker flags desired by | |
2517 | the user. It is up to the Makefile to use this. | |
2518 | ||
2519 | ln (Loc.U): | |
5bf26616 | 2520 | This variable is used internally by Configure to determine the |
781b178c JH |
2521 | full pathname (if any) of the ln program. After Configure runs, |
2522 | the value is reset to a plain "ln" and is not useful. | |
2523 | ||
2524 | lns (lns.U): | |
2525 | This variable holds the name of the command to make | |
2526 | symbolic links (if they are supported). It can be used | |
2527 | in the Makefile. It is either 'ln -s' or 'ln' | |
2528 | ||
2529 | locincpth (ccflags.U): | |
2530 | This variable contains a list of additional directories to be | |
2531 | searched by the compiler. The appropriate '-I' directives will | |
2532 | be added to ccflags. This is intended to simplify setting | |
2533 | local directories from the Configure command line. | |
2534 | It's not much, but it parallels the loclibpth stuff in libpth.U. | |
2535 | ||
2536 | loclibpth (libpth.U): | |
2537 | This variable holds the paths (space-separated) used to find local | |
2538 | libraries. It is prepended to libpth, and is intended to be easily | |
2539 | set from the command line. | |
2540 | ||
2541 | longdblsize (d_longdbl.U): | |
2542 | This variable contains the value of the LONG_DOUBLESIZE symbol, which | |
2543 | indicates to the C program how many bytes there are in a long double, | |
2544 | if this system supports long doubles. | |
2545 | ||
2546 | longlongsize (d_longlong.U): | |
2547 | This variable contains the value of the LONGLONGSIZE symbol, which | |
2548 | indicates to the C program how many bytes there are in a long long, | |
2549 | if this system supports long long. | |
2550 | ||
2551 | longsize (intsize.U): | |
2552 | This variable contains the value of the LONGSIZE symbol, which | |
2553 | indicates to the C program how many bytes there are in a long. | |
2554 | ||
2555 | lp (Loc.U): | |
2556 | This variable is defined but not used by Configure. | |
2557 | The value is a plain '' and is not useful. | |
2558 | ||
2559 | lpr (Loc.U): | |
2560 | This variable is defined but not used by Configure. | |
2561 | The value is a plain '' and is not useful. | |
2562 | ||
2563 | ls (Loc.U): | |
5bf26616 | 2564 | This variable is used internally by Configure to determine the |
781b178c JH |
2565 | full pathname (if any) of the ls program. After Configure runs, |
2566 | the value is reset to a plain "ls" and is not useful. | |
2567 | ||
2568 | lseeksize (lseektype.U): | |
2569 | This variable defines lseektype to be something like off_t, long, | |
2570 | or whatever type is used to declare lseek offset's type in the | |
2571 | kernel (which also appears to be lseek's return type). | |
2572 | ||
2573 | lseektype (lseektype.U): | |
2574 | This variable defines lseektype to be something like off_t, long, | |
2575 | or whatever type is used to declare lseek offset's type in the | |
2576 | kernel (which also appears to be lseek's return type). | |
2577 | ||
2578 | mail (Loc.U): | |
2579 | This variable is defined but not used by Configure. | |
2580 | The value is a plain '' and is not useful. | |
2581 | ||
2582 | mailx (Loc.U): | |
2583 | This variable is defined but not used by Configure. | |
2584 | The value is a plain '' and is not useful. | |
2585 | ||
2586 | make (Loc.U): | |
5bf26616 | 2587 | This variable is used internally by Configure to determine the |
781b178c JH |
2588 | full pathname (if any) of the make program. After Configure runs, |
2589 | the value is reset to a plain "make" and is not useful. | |
2590 | ||
2591 | make_set_make (make.U): | |
2592 | Some versions of 'make' set the variable MAKE. Others do not. | |
2593 | This variable contains the string to be included in Makefile.SH | |
2594 | so that MAKE is set if needed, and not if not needed. | |
2595 | Possible values are: | |
2596 | make_set_make='#' # If your make program handles this for you, | |
2597 | make_set_make="MAKE=$make" # if it doesn't. | |
2598 | I used a comment character so that we can distinguish a | |
2599 | 'set' value (from a previous config.sh or Configure '-D' option) | |
2600 | from an uncomputed value. | |
2601 | ||
2602 | mallocobj (mallocsrc.U): | |
2603 | This variable contains the name of the malloc.o that this package | |
2604 | generates, if that malloc.o is preferred over the system malloc. | |
2605 | Otherwise the value is null. This variable is intended for generating | |
2606 | Makefiles. See mallocsrc. | |
2607 | ||
2608 | mallocsrc (mallocsrc.U): | |
2609 | This variable contains the name of the malloc.c that comes with | |
2610 | the package, if that malloc.c is preferred over the system malloc. | |
2611 | Otherwise the value is null. This variable is intended for generating | |
2612 | Makefiles. | |
2613 | ||
2614 | malloctype (mallocsrc.U): | |
2615 | This variable contains the kind of ptr returned by malloc and realloc. | |
2616 | ||
2617 | man1dir (man1dir.U): | |
2618 | This variable contains the name of the directory in which manual | |
2619 | source pages are to be put. It is the responsibility of the | |
2620 | Makefile.SH to get the value of this into the proper command. | |
2621 | You must be prepared to do the ~name expansion yourself. | |
2622 | ||
2623 | man1direxp (man1dir.U): | |
2624 | This variable is the same as the man1dir variable, but is filename | |
2625 | expanded at configuration time, for convenient use in makefiles. | |
2626 | ||
2627 | man1ext (man1dir.U): | |
2628 | This variable contains the extension that the manual page should | |
2629 | have: one of 'n', 'l', or '1'. The Makefile must supply the '.'. | |
2630 | See man1dir. | |
2631 | ||
2632 | man3dir (man3dir.U): | |
2633 | This variable contains the name of the directory in which manual | |
2634 | source pages are to be put. It is the responsibility of the | |
2635 | Makefile.SH to get the value of this into the proper command. | |
2636 | You must be prepared to do the ~name expansion yourself. | |
2637 | ||
2638 | man3direxp (man3dir.U): | |
2639 | This variable is the same as the man3dir variable, but is filename | |
2640 | expanded at configuration time, for convenient use in makefiles. | |
2641 | ||
2642 | man3ext (man3dir.U): | |
2643 | This variable contains the extension that the manual page should | |
2644 | have: one of 'n', 'l', or '3'. The Makefile must supply the '.'. | |
2645 | See man3dir. | |
2646 | ||
ff935051 JH |
2647 | Mcc (Loc.U): |
2648 | This variable is used internally by Configure to determine the | |
2649 | full pathname (if any) of the Mcc program. After Configure runs, | |
2650 | the value is reset to a plain "Mcc" and is not useful. | |
2651 | ||
781b178c JH |
2652 | mips_type (usrinc.U): |
2653 | This variable holds the environment type for the mips system. | |
2654 | Possible values are "BSD 4.3" and "System V". | |
2655 | ||
2656 | mkdir (Loc.U): | |
5bf26616 | 2657 | This variable is used internally by Configure to determine the |
781b178c JH |
2658 | full pathname (if any) of the mkdir program. After Configure runs, |
2659 | the value is reset to a plain "mkdir" and is not useful. | |
2660 | ||
fe749a9f JH |
2661 | mmaptype (d_mmap.U): |
2662 | This symbol contains the type of pointer returned by mmap() | |
2663 | (and simultaneously the type of the first argument). | |
2664 | It can be 'void *' or 'caddr_t'. | |
2665 | ||
781b178c JH |
2666 | modetype (modetype.U): |
2667 | This variable defines modetype to be something like mode_t, | |
2668 | int, unsigned short, or whatever type is used to declare file | |
2669 | modes for system calls. | |
2670 | ||
2671 | more (Loc.U): | |
5bf26616 | 2672 | This variable is used internally by Configure to determine the |
781b178c JH |
2673 | full pathname (if any) of the more program. After Configure runs, |
2674 | the value is reset to a plain "more" and is not useful. | |
2675 | ||
2676 | multiarch (multiarch.U): | |
2677 | This variable conditionally defines the MULTIARCH symbol | |
2678 | which signifies the presence of multiplatform files. | |
2679 | This is normally set by hints files. | |
2680 | ||
2681 | mv (Loc.U): | |
2682 | This variable is defined but not used by Configure. | |
2683 | The value is a plain '' and is not useful. | |
2684 | ||
2685 | myarchname (archname.U): | |
2686 | This variable holds the architecture name computed by Configure in | |
2687 | a previous run. It is not intended to be perused by any user and | |
2688 | should never be set in a hint file. | |
2689 | ||
2690 | mydomain (myhostname.U): | |
2691 | This variable contains the eventual value of the MYDOMAIN symbol, | |
2692 | which is the domain of the host the program is going to run on. | |
2693 | The domain must be appended to myhostname to form a complete host name. | |
2694 | The dot comes with mydomain, and need not be supplied by the program. | |
2695 | ||
2696 | myhostname (myhostname.U): | |
2697 | This variable contains the eventual value of the MYHOSTNAME symbol, | |
2698 | which is the name of the host the program is going to run on. | |
2699 | The domain is not kept with hostname, but must be gotten from mydomain. | |
2700 | The dot comes with mydomain, and need not be supplied by the program. | |
2701 | ||
2702 | myuname (Oldconfig.U): | |
2703 | The output of 'uname -a' if available, otherwise the hostname. On Xenix, | |
2704 | pseudo variables assignments in the output are stripped, thank you. The | |
2705 | whole thing is then lower-cased. | |
2706 | ||
2707 | n (n.U): | |
2708 | This variable contains the '-n' flag if that is what causes the echo | |
2709 | command to suppress newline. Otherwise it is null. Correct usage is | |
2710 | $echo $n "prompt for a question: $c". | |
2711 | ||
2712 | netdb_hlen_type (netdbtype.U): | |
2713 | This variable holds the type used for the 2nd argument to | |
2714 | gethostbyaddr(). Usually, this is int or size_t or unsigned. | |
2715 | This is only useful if you have gethostbyaddr(), naturally. | |
2716 | ||
2717 | netdb_host_type (netdbtype.U): | |
2718 | This variable holds the type used for the 1st argument to | |
2719 | gethostbyaddr(). Usually, this is char * or void *, possibly | |
2720 | with or without a const prefix. | |
2721 | This is only useful if you have gethostbyaddr(), naturally. | |
2722 | ||
2723 | netdb_name_type (netdbtype.U): | |
2724 | This variable holds the type used for the argument to | |
2725 | gethostbyname(). Usually, this is char * or const char *. | |
2726 | This is only useful if you have gethostbyname(), naturally. | |
2727 | ||
2728 | netdb_net_type (netdbtype.U): | |
2729 | This variable holds the type used for the 1st argument to | |
2730 | getnetbyaddr(). Usually, this is int or long. | |
2731 | This is only useful if you have getnetbyaddr(), naturally. | |
2732 | ||
2733 | nm (Loc.U): | |
5bf26616 | 2734 | This variable is used internally by Configure to determine the |
781b178c JH |
2735 | full pathname (if any) of the nm program. After Configure runs, |
2736 | the value is reset to a plain "nm" and is not useful. | |
2737 | ||
2738 | nm_opt (usenm.U): | |
2739 | This variable holds the options that may be necessary for nm. | |
2740 | ||
2741 | nm_so_opt (usenm.U): | |
2742 | This variable holds the options that may be necessary for nm | |
2743 | to work on a shared library but that can not be used on an | |
2744 | archive library. Currently, this is only used by Linux, where | |
2745 | nm --dynamic is *required* to get symbols from an ELF library which | |
2746 | has been stripped, but nm --dynamic is *fatal* on an archive library. | |
2747 | Maybe Linux should just always set usenm=false. | |
2748 | ||
2749 | nonxs_ext (Extensions.U): | |
2750 | This variable holds a list of all non-xs extensions included | |
2751 | in the package. All of them will be built. | |
2752 | ||
2753 | nroff (Loc.U): | |
5bf26616 | 2754 | This variable is used internally by Configure to determine the |
781b178c JH |
2755 | full pathname (if any) of the nroff program. After Configure runs, |
2756 | the value is reset to a plain "nroff" and is not useful. | |
2757 | ||
6b4667fc A |
2758 | nveformat (perlxvf.U): |
2759 | This variable contains the format string used for printing | |
2760 | a Perl NV using %e-ish floating point format. | |
2761 | ||
6b356c8e | 2762 | nvEUformat (perlxvf.U): |
6b4667fc A |
2763 | This variable contains the format string used for printing |
2764 | a Perl NV using %E-ish floating point format. | |
2765 | ||
2766 | nvfformat (perlxvf.U): | |
2767 | This variable confains the format string used for printing | |
2768 | a Perl NV using %f-ish floating point format. | |
2769 | ||
6b356c8e | 2770 | nvFUformat (perlxvf.U): |
6b4667fc A |
2771 | This variable confains the format string used for printing |
2772 | a Perl NV using %F-ish floating point format. | |
2773 | ||
2774 | nvgformat (perlxvf.U): | |
2775 | This variable contains the format string used for printing | |
2776 | a Perl NV using %g-ish floating point format. | |
2777 | ||
6b356c8e | 2778 | nvGUformat (perlxvf.U): |
6b4667fc A |
2779 | This variable contains the format string used for printing |
2780 | a Perl NV using %G-ish floating point format. | |
2781 | ||
a22e52b9 JH |
2782 | nvsize (perlxv.U): |
2783 | This variable is the size of an NV in bytes. | |
2784 | ||
2785 | nvtype (perlxv.U): | |
2786 | This variable contains the C type used for Perl's NV. | |
2787 | ||
781b178c JH |
2788 | o_nonblock (nblock_io.U): |
2789 | This variable bears the symbol value to be used during open() or fcntl() | |
2790 | to turn on non-blocking I/O for a file descriptor. If you wish to switch | |
2791 | between blocking and non-blocking, you may try ioctl(FIOSNBIO) instead, | |
2792 | but that is only supported by some devices. | |
2793 | ||
2794 | obj_ext (Unix.U): | |
2795 | This is an old synonym for _o. | |
2796 | ||
2797 | old_pthread_create_joinable (d_pthrattrj.U): | |
2798 | This variable defines the constant to use for creating joinable | |
2799 | (aka undetached) pthreads. Unused if pthread.h defines | |
2800 | PTHREAD_CREATE_JOINABLE. If used, possible values are | |
2801 | PTHREAD_CREATE_UNDETACHED and __UNDETACHED. | |
2802 | ||
2803 | optimize (ccflags.U): | |
2804 | This variable contains any optimizer/debugger flag that should be used. | |
2805 | It is up to the Makefile to use it. | |
2806 | ||
2807 | orderlib (orderlib.U): | |
2808 | This variable is "true" if the components of libraries must be ordered | |
2809 | (with `lorder $* | tsort`) before placing them in an archive. Set to | |
2810 | "false" if ranlib or ar can generate random libraries. | |
2811 | ||
2812 | osname (Oldconfig.U): | |
2813 | This variable contains the operating system name (e.g. sunos, | |
2814 | solaris, hpux, etc.). It can be useful later on for setting | |
2815 | defaults. Any spaces are replaced with underscores. It is set | |
2816 | to a null string if we can't figure it out. | |
2817 | ||
2818 | osvers (Oldconfig.U): | |
2819 | This variable contains the operating system version (e.g. | |
2820 | 4.1.3, 5.2, etc.). It is primarily used for helping select | |
2821 | an appropriate hints file, but might be useful elsewhere for | |
2822 | setting defaults. It is set to '' if we can't figure it out. | |
2823 | We try to be flexible about how much of the version number | |
2824 | to keep, e.g. if 4.1.1, 4.1.2, and 4.1.3 are essentially the | |
2825 | same for this package, hints files might just be os_4.0 or | |
2826 | os_4.1, etc., not keeping separate files for each little release. | |
2827 | ||
3b777bb4 GS |
2828 | otherlibdirs (otherlibdirs.U): |
2829 | This variable contains a colon-separated set of paths for the perl | |
2830 | binary to search for additional library files or modules. | |
2831 | These directories will be tacked to the end of @INC. | |
2832 | Perl will automatically search below each path for version- | |
2833 | and architecture-specific directories. See inc_version_list | |
2834 | for more details. | |
2835 | A value of ' ' means 'none' and is used to preserve this value | |
2836 | for the next run through Configure. | |
2837 | ||
781b178c JH |
2838 | package (package.U): |
2839 | This variable contains the name of the package being constructed. | |
2840 | It is primarily intended for the use of later Configure units. | |
2841 | ||
2842 | pager (pager.U): | |
2843 | This variable contains the name of the preferred pager on the system. | |
2844 | Usual values are (the full pathnames of) more, less, pg, or cat. | |
2845 | ||
2846 | passcat (nis.U): | |
2847 | This variable contains a command that produces the text of the | |
2848 | /etc/passwd file. This is normally "cat /etc/passwd", but can be | |
2849 | "ypcat passwd" when NIS is used. | |
aaacdc8b GS |
2850 | On some systems, such as os390, there may be no equivalent |
2851 | command, in which case this variable is unset. | |
781b178c JH |
2852 | |
2853 | patchlevel (patchlevel.U): | |
2854 | The patchlevel level of this package. | |
2855 | The value of patchlevel comes from the patchlevel.h file. | |
ff935051 | 2856 | In a version number such as 5.6.1, this is the "6". |
c890dc6c | 2857 | In patchlevel.h, this is referred to as "PERL_VERSION". |
781b178c JH |
2858 | |
2859 | path_sep (Unix.U): | |
2860 | This is an old synonym for p_ in Head.U, the character | |
2861 | used to separate elements in the command shell search PATH. | |
2862 | ||
c890dc6c JH |
2863 | perl5 (perl5.U): |
2864 | This variable contains the full path (if any) to a previously | |
2865 | installed perl5.005 or later suitable for running the script | |
2866 | to determine inc_version_list. | |
2867 | ||
781b178c | 2868 | perl (Loc.U): |
c890dc6c JH |
2869 | This variable is defined but not used by Configure. |
2870 | The value is a plain '' and is not useful. | |
781b178c | 2871 | |
ff935051 JH |
2872 | PERL_REVISION (Oldsyms.U): |
2873 | In a Perl version number such as 5.6.2, this is the 5. | |
2874 | This value is manually set in patchlevel.h | |
2875 | ||
2876 | PERL_SUBVERSION (Oldsyms.U): | |
2877 | In a Perl version number such as 5.6.2, this is the 2. | |
2878 | Values greater than 50 represent potentially unstable | |
2879 | development subversions. | |
2880 | This value is manually set in patchlevel.h | |
2881 | ||
2882 | PERL_VERSION (Oldsyms.U): | |
2883 | In a Perl version number such as 5.6.2, this is the 6. | |
2884 | This value is manually set in patchlevel.h | |
2885 | ||
781b178c JH |
2886 | perladmin (perladmin.U): |
2887 | Electronic mail address of the perl5 administrator. | |
2888 | ||
2889 | perlpath (perlpath.U): | |
2890 | This variable contains the eventual value of the PERLPATH symbol, | |
2891 | which contains the name of the perl interpreter to be used in | |
2892 | shell scripts and in the "eval 'exec'" idiom. | |
2893 | ||
2894 | pg (Loc.U): | |
5bf26616 | 2895 | This variable is used internally by Configure to determine the |
781b178c JH |
2896 | full pathname (if any) of the pg program. After Configure runs, |
2897 | the value is reset to a plain "pg" and is not useful. | |
2898 | ||
2899 | phostname (myhostname.U): | |
2900 | This variable contains the eventual value of the PHOSTNAME symbol, | |
2901 | which is a command that can be fed to popen() to get the host name. | |
2902 | The program should probably not presume that the domain is or isn't | |
2903 | there already. | |
2904 | ||
2905 | pidtype (pidtype.U): | |
2906 | This variable defines PIDTYPE to be something like pid_t, int, | |
2907 | ushort, or whatever type is used to declare process ids in the kernel. | |
2908 | ||
2909 | plibpth (libpth.U): | |
2910 | Holds the private path used by Configure to find out the libraries. | |
2911 | Its value is prepend to libpth. This variable takes care of special | |
2912 | machines, like the mips. Usually, it should be empty. | |
2913 | ||
fe749a9f JH |
2914 | pm_apiversion (xs_apiversion.U): |
2915 | This variable contains the version of the oldest perl | |
2916 | compatible with the present perl. (That is, pure perl modules | |
2917 | written for $pm_apiversion will still work for the current | |
2918 | version). perl.c:incpush() and lib/lib.pm will automatically | |
2919 | search in $sitelib for older directories across major versions | |
2920 | back to pm_apiversion. This is only useful if you have a perl | |
2921 | library directory tree structured like the default one. The | |
2922 | versioned site_perl library was introduced in 5.005, so that's | |
2923 | the default setting for this variable. It's hard to imagine | |
2924 | it changing before Perl6. It is included here for symmetry | |
2925 | with xs_apiveprsion -- the searching algorithms will | |
2926 | (presumably) be similar. | |
2927 | See the INSTALL file for how this works. | |
2928 | ||
781b178c JH |
2929 | pmake (Loc.U): |
2930 | This variable is defined but not used by Configure. | |
2931 | The value is a plain '' and is not useful. | |
2932 | ||
2933 | pr (Loc.U): | |
2934 | This variable is defined but not used by Configure. | |
2935 | The value is a plain '' and is not useful. | |
2936 | ||
2937 | prefix (prefix.U): | |
2938 | This variable holds the name of the directory below which the | |
2939 | user will install the package. Usually, this is /usr/local, and | |
2940 | executables go in /usr/local/bin, library stuff in /usr/local/lib, | |
2941 | man pages in /usr/local/man, etc. It is only used to set defaults | |
2942 | for things in bin.U, mansrc.U, privlib.U, or scriptdir.U. | |
2943 | ||
2944 | prefixexp (prefix.U): | |
2945 | This variable holds the full absolute path of the directory below | |
2946 | which the user will install the package. Derived from prefix. | |
2947 | ||
2948 | privlib (privlib.U): | |
2949 | This variable contains the eventual value of the PRIVLIB symbol, | |
2950 | which is the name of the private library for this package. It may | |
2951 | have a ~ on the front. It is up to the makefile to eventually create | |
2952 | this directory while performing installation (with ~ substitution). | |
2953 | ||
2954 | privlibexp (privlib.U): | |
2955 | This variable is the ~name expanded version of privlib, so that you | |
2956 | may use it directly in Makefiles or shell scripts. | |
2957 | ||
2958 | prototype (prototype.U): | |
2959 | This variable holds the eventual value of CAN_PROTOTYPE, which | |
2960 | indicates the C compiler can handle funciton prototypes. | |
2961 | ||
2962 | ptrsize (ptrsize.U): | |
2963 | This variable contains the value of the PTRSIZE symbol, which | |
2964 | indicates to the C program how many bytes there are in a pointer. | |
2965 | ||
e0a10278 | 2966 | quadkind (quadtype.U): |
0befd8de JH |
2967 | This variable, if defined, encodes the type of a quad: |
2968 | 1 = int, 2 = long, 3 = long long, 4 = int64_t. | |
2969 | ||
2970 | quadtype (quadtype.U): | |
2971 | This variable defines Quad_t to be something like long, int, | |
2972 | long long, int64_t, or whatever type is used for 64-bit integers. | |
2973 | ||
781b178c JH |
2974 | randbits (randfunc.U): |
2975 | Indicates how many bits are produced by the function used to | |
2976 | generate normalized random numbers. | |
2977 | ||
2978 | randfunc (randfunc.U): | |
2979 | Indicates the name of the random number function to use. | |
2980 | Values include drand48, random, and rand. In C programs, | |
2981 | the 'Drand01' macro is defined to generate uniformly distributed | |
2982 | random numbers over the range [0., 1.[ (see drand01 and nrand). | |
2983 | ||
2984 | randseedtype (randfunc.U): | |
2985 | Indicates the type of the argument of the seedfunc. | |
2986 | ||
2987 | ranlib (orderlib.U): | |
2988 | This variable is set to the pathname of the ranlib program, if it is | |
2989 | needed to generate random libraries. Set to ":" if ar can generate | |
2990 | random libraries or if random libraries are not supported | |
2991 | ||
2992 | rd_nodata (nblock_io.U): | |
2993 | This variable holds the return code from read() when no data is | |
2994 | present. It should be -1, but some systems return 0 when O_NDELAY is | |
2995 | used, which is a shame because you cannot make the difference between | |
2996 | no data and an EOF.. Sigh! | |
2997 | ||
c890dc6c JH |
2998 | revision (patchlevel.U): |
2999 | The value of revision comes from the patchlevel.h file. | |
3000 | In a version number such as 5.6.1, this is the "5". | |
3001 | In patchlevel.h, this is referred to as "PERL_REVISION". | |
3002 | ||
781b178c | 3003 | rm (Loc.U): |
5bf26616 | 3004 | This variable is used internally by Configure to determine the |
781b178c JH |
3005 | full pathname (if any) of the rm program. After Configure runs, |
3006 | the value is reset to a plain "rm" and is not useful. | |
3007 | ||
3008 | rmail (Loc.U): | |
3009 | This variable is defined but not used by Configure. | |
3010 | The value is a plain '' and is not useful. | |
3011 | ||
3012 | runnm (usenm.U): | |
3013 | This variable contains 'true' or 'false' depending whether the | |
3014 | nm extraction should be performed or not, according to the value | |
3015 | of usenm and the flags on the Configure command line. | |
3016 | ||
3017 | sched_yield (d_pthread_y.U): | |
3018 | This variable defines the way to yield the execution | |
3019 | of the current thread. | |
3020 | ||
3021 | scriptdir (scriptdir.U): | |
3022 | This variable holds the name of the directory in which the user wants | |
3023 | to put publicly scripts for the package in question. It is either | |
3024 | the same directory as for binaries, or a special one that can be | |
3025 | mounted across different architectures, like /usr/share. Programs | |
3026 | must be prepared to deal with ~name expansion. | |
3027 | ||
3028 | scriptdirexp (scriptdir.U): | |
3029 | This variable is the same as scriptdir, but is filename expanded | |
3030 | at configuration time, for programs not wanting to bother with it. | |
3031 | ||
3032 | sed (Loc.U): | |
5bf26616 | 3033 | This variable is used internally by Configure to determine the |
781b178c JH |
3034 | full pathname (if any) of the sed program. After Configure runs, |
3035 | the value is reset to a plain "sed" and is not useful. | |
3036 | ||
3037 | seedfunc (randfunc.U): | |
3038 | Indicates the random number generating seed function. | |
3039 | Values include srand48, srandom, and srand. | |
3040 | ||
3041 | selectminbits (selectminbits.U): | |
3042 | This variable holds the minimum number of bits operated by select. | |
3043 | That is, if you do select(n, ...), how many bits at least will be | |
3044 | cleared in the masks if some activity is detected. Usually this | |
3045 | is either n or 32*ceil(n/32), especially many little-endians do | |
3046 | the latter. This is only useful if you have select(), naturally. | |
3047 | ||
3048 | selecttype (selecttype.U): | |
3049 | This variable holds the type used for the 2nd, 3rd, and 4th | |
3050 | arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET | |
3051 | is defined, and 'int *' otherwise. This is only useful if you | |
3052 | have select(), naturally. | |
3053 | ||
3054 | sendmail (Loc.U): | |
ff935051 JH |
3055 | This variable is defined but not used by Configure. |
3056 | The value is a plain '' and is not useful. | |
781b178c JH |
3057 | |
3058 | sh (sh.U): | |
3059 | This variable contains the full pathname of the shell used | |
3060 | on this system to execute Bourne shell scripts. Usually, this will be | |
3061 | /bin/sh, though it's possible that some systems will have /bin/ksh, | |
3062 | /bin/pdksh, /bin/ash, /bin/bash, or even something such as | |
3063 | D:/bin/sh.exe. | |
3064 | This unit comes before Options.U, so you can't set sh with a '-D' | |
3065 | option, though you can override this (and startsh) | |
3066 | with '-O -Dsh=/bin/whatever -Dstartsh=whatever' | |
3067 | ||
3068 | shar (Loc.U): | |
3069 | This variable is defined but not used by Configure. | |
3070 | The value is a plain '' and is not useful. | |
3071 | ||
3072 | sharpbang (spitshell.U): | |
3073 | This variable contains the string #! if this system supports that | |
3074 | construct. | |
3075 | ||
3076 | shmattype (d_shmat.U): | |
3077 | This symbol contains the type of pointer returned by shmat(). | |
3078 | It can be 'void *' or 'char *'. | |
3079 | ||
3080 | shortsize (intsize.U): | |
3081 | This variable contains the value of the SHORTSIZE symbol which | |
3082 | indicates to the C program how many bytes there are in a short. | |
3083 | ||
3084 | shrpenv (libperl.U): | |
3085 | If the user builds a shared libperl.so, then we need to tell the | |
3086 | 'perl' executable where it will be able to find the installed libperl.so. | |
3087 | One way to do this on some systems is to set the environment variable | |
3088 | LD_RUN_PATH to the directory that will be the final location of the | |
3089 | shared libperl.so. The makefile can use this with something like | |
3090 | $shrpenv $(CC) -o perl perlmain.o $libperl $libs | |
3091 | Typical values are | |
3092 | shrpenv="env LD_RUN_PATH=$archlibexp/CORE" | |
3093 | or | |
3094 | shrpenv='' | |
3095 | See the main perl Makefile.SH for actual working usage. | |
3096 | Alternatively, we might be able to use a command line option such | |
3097 | as -R $archlibexp/CORE (Solaris, NetBSD) or -Wl,-rpath | |
3098 | $archlibexp/CORE (Linux). | |
3099 | ||
3100 | shsharp (spitshell.U): | |
3101 | This variable tells further Configure units whether your sh can | |
3102 | handle # comments. | |
3103 | ||
3104 | sig_count (sig_name.U): | |
3105 | This variable holds a number larger than the largest valid | |
3106 | signal number. This is usually the same as the NSIG macro. | |
3107 | ||
3108 | sig_name (sig_name.U): | |
3109 | This variable holds the signal names, space separated. The leading | |
3110 | SIG in signal name is removed. A ZERO is prepended to the | |
3111 | list. This is currently not used. | |
3112 | ||
3113 | sig_name_init (sig_name.U): | |
3114 | This variable holds the signal names, enclosed in double quotes and | |
3115 | separated by commas, suitable for use in the SIG_NAME definition | |
3116 | below. A "ZERO" is prepended to the list, and the list is | |
3117 | terminated with a plain 0. The leading SIG in signal names | |
3118 | is removed. See sig_num. | |
3119 | ||
3120 | sig_num (sig_name.U): | |
3121 | This variable holds the signal numbers, space separated. A ZERO is | |
3122 | prepended to the list (corresponding to the fake SIGZERO), and | |
3123 | the list is terminated with a 0. Those numbers correspond to | |
3124 | the value of the signal listed in the same place within the | |
3125 | sig_name list. | |
3126 | ||
3127 | sig_num_init (sig_name.U): | |
3128 | This variable holds the signal numbers, enclosed in double quotes and | |
3129 | separated by commas, suitable for use in the SIG_NUM definition | |
3130 | below. A "ZERO" is prepended to the list, and the list is | |
3131 | terminated with a plain 0. | |
3132 | ||
3133 | signal_t (d_voidsig.U): | |
3134 | This variable holds the type of the signal handler (void or int). | |
3135 | ||
3136 | sitearch (sitearch.U): | |
3137 | This variable contains the eventual value of the SITEARCH symbol, | |
3138 | which is the name of the private library for this package. It may | |
3139 | have a ~ on the front. It is up to the makefile to eventually create | |
3140 | this directory while performing installation (with ~ substitution). | |
f868067f JH |
3141 | The standard distribution will put nothing in this directory. |
3142 | After perl has been installed, users may install their own local | |
3143 | architecture-dependent modules in this directory with | |
3144 | MakeMaker Makefile.PL | |
3145 | or equivalent. See INSTALL for details. | |
781b178c JH |
3146 | |
3147 | sitearchexp (sitearch.U): | |
3148 | This variable is the ~name expanded version of sitearch, so that you | |
3149 | may use it directly in Makefiles or shell scripts. | |
3150 | ||
0617aed7 JH |
3151 | sitebin (sitebin.U): |
3152 | This variable holds the name of the directory in which the user wants | |
3153 | to put add-on publicly executable files for the package in question. It | |
3154 | is most often a local directory such as /usr/local/bin. Programs using | |
3155 | this variable must be prepared to deal with ~name substitution. | |
f868067f JH |
3156 | The standard distribution will put nothing in this directory. |
3157 | After perl has been installed, users may install their own local | |
3158 | executables in this directory with | |
3159 | MakeMaker Makefile.PL | |
3160 | or equivalent. See INSTALL for details. | |
0617aed7 JH |
3161 | |
3162 | sitebinexp (sitebin.U): | |
3163 | This is the same as the sitebin variable, but is filename expanded at | |
3164 | configuration time, for use in your makefiles. | |
3165 | ||
781b178c JH |
3166 | sitelib (sitelib.U): |
3167 | This variable contains the eventual value of the SITELIB symbol, | |
3168 | which is the name of the private library for this package. It may | |
3169 | have a ~ on the front. It is up to the makefile to eventually create | |
3170 | this directory while performing installation (with ~ substitution). | |
f868067f JH |
3171 | The standard distribution will put nothing in this directory. |
3172 | After perl has been installed, users may install their own local | |
3173 | architecture-independent modules in this directory with | |
3174 | MakeMaker Makefile.PL | |
3175 | or equivalent. See INSTALL for details. | |
781b178c | 3176 | |
526fdc24 MS |
3177 | sitelib_stem (sitelib.U): |
3178 | This variable is $sitelibexp with any trailing version-specific component | |
3179 | removed. The elements in inc_version_list (inc_version_list.U) can | |
3180 | be tacked onto this variable to generate a list of directories to search. | |
3181 | ||
781b178c JH |
3182 | sitelibexp (sitelib.U): |
3183 | This variable is the ~name expanded version of sitelib, so that you | |
3184 | may use it directly in Makefiles or shell scripts. | |
3185 | ||
3186 | siteprefix (siteprefix.U): | |
3187 | This variable holds the full absolute path of the directory below | |
3188 | which the user will install add-on packages. | |
f868067f | 3189 | See INSTALL for usage and examples. |
781b178c JH |
3190 | |
3191 | siteprefixexp (siteprefix.U): | |
3192 | This variable holds the full absolute path of the directory below | |
3193 | which the user will install add-on packages. Derived from siteprefix. | |
3194 | ||
a13ea748 JH |
3195 | sizesize (sizesize.U): |
3196 | This variable contains the size of a sizetype in bytes. | |
3197 | ||
781b178c JH |
3198 | sizetype (sizetype.U): |
3199 | This variable defines sizetype to be something like size_t, | |
3200 | unsigned long, or whatever type is used to declare length | |
3201 | parameters for string functions. | |
3202 | ||
3203 | sleep (Loc.U): | |
3204 | This variable is defined but not used by Configure. | |
3205 | The value is a plain '' and is not useful. | |
3206 | ||
3207 | smail (Loc.U): | |
3208 | This variable is defined but not used by Configure. | |
3209 | The value is a plain '' and is not useful. | |
3210 | ||
781b178c JH |
3211 | so (so.U): |
3212 | This variable holds the extension used to identify shared libraries | |
3213 | (also known as shared objects) on the system. Usually set to 'so'. | |
3214 | ||
3215 | sockethdr (d_socket.U): | |
3216 | This variable has any cpp '-I' flags needed for socket support. | |
3217 | ||
3218 | socketlib (d_socket.U): | |
3219 | This variable has the names of any libraries needed for socket support. | |
3220 | ||
c890dc6c JH |
3221 | socksizetype (socksizetype.U): |
3222 | This variable holds the type used for the size argument | |
3223 | for various socket calls like accept. Usual values include | |
3224 | socklen_t, size_t, and int. | |
3225 | ||
781b178c | 3226 | sort (Loc.U): |
5bf26616 | 3227 | This variable is used internally by Configure to determine the |
781b178c JH |
3228 | full pathname (if any) of the sort program. After Configure runs, |
3229 | the value is reset to a plain "sort" and is not useful. | |
3230 | ||
3231 | spackage (package.U): | |
3232 | This variable contains the name of the package being constructed, | |
3233 | with the first letter uppercased, i.e. suitable for starting | |
3234 | sentences. | |
3235 | ||
3236 | spitshell (spitshell.U): | |
3237 | This variable contains the command necessary to spit out a runnable | |
3238 | shell on this system. It is either cat or a grep '-v' for # comments. | |
3239 | ||
ff935051 JH |
3240 | sPRId64 (quadfio.U): |
3241 | This variable, if defined, contains the string used by stdio to | |
3242 | format 64-bit decimal numbers (format 'd') for output. | |
3243 | ||
3244 | sPRIeldbl (longdblfio.U): | |
3245 | This variable, if defined, contains the string used by stdio to | |
3246 | format long doubles (format 'e') for output. | |
3247 | ||
6b356c8e | 3248 | sPRIEUldbl (longdblfio.U): |
ff935051 JH |
3249 | This variable, if defined, contains the string used by stdio to |
3250 | format long doubles (format 'E') for output. | |
6b356c8e JH |
3251 | The 'U' in the name is to separate this from sPRIeldbl so that even |
3252 | case-blind systems can see the difference. | |
ff935051 JH |
3253 | |
3254 | sPRIfldbl (longdblfio.U): | |
3255 | This variable, if defined, contains the string used by stdio to | |
3256 | format long doubles (format 'f') for output. | |
3257 | ||
6b356c8e | 3258 | sPRIFUldbl (longdblfio.U): |
ff935051 JH |
3259 | This variable, if defined, contains the string used by stdio to |
3260 | format long doubles (format 'F') for output. | |
6b356c8e JH |
3261 | The 'U' in the name is to separate this from sPRIfldbl so that even |
3262 | case-blind systems can see the difference. | |
ff935051 JH |
3263 | |
3264 | sPRIgldbl (longdblfio.U): | |
3265 | This variable, if defined, contains the string used by stdio to | |
3266 | format long doubles (format 'g') for output. | |
3267 | ||
6b356c8e | 3268 | sPRIGUldbl (longdblfio.U): |
ff935051 JH |
3269 | This variable, if defined, contains the string used by stdio to |
3270 | format long doubles (format 'G') for output. | |
6b356c8e JH |
3271 | The 'U' in the name is to separate this from sPRIgldbl so that even |
3272 | case-blind systems can see the difference. | |
ff935051 JH |
3273 | |
3274 | sPRIi64 (quadfio.U): | |
3275 | This variable, if defined, contains the string used by stdio to | |
3276 | format 64-bit decimal numbers (format 'i') for output. | |
3277 | ||
3278 | sPRIo64 (quadfio.U): | |
3279 | This variable, if defined, contains the string used by stdio to | |
3280 | format 64-bit octal numbers (format 'o') for output. | |
3281 | ||
3282 | sPRIu64 (quadfio.U): | |
3283 | This variable, if defined, contains the string used by stdio to | |
3284 | format 64-bit unsigned decimal numbers (format 'u') for output. | |
3285 | ||
3286 | sPRIx64 (quadfio.U): | |
3287 | This variable, if defined, contains the string used by stdio to | |
3288 | format 64-bit hexadecimal numbers (format 'x') for output. | |
3289 | ||
6b356c8e | 3290 | sPRIXU64 (quadfio.U): |
ff935051 JH |
3291 | This variable, if defined, contains the string used by stdio to |
3292 | format 64-bit hExADECimAl numbers (format 'X') for output. | |
6b356c8e JH |
3293 | The 'U' in the name is to separate this from sPRIx64 so that even |
3294 | case-blind systems can see the difference. | |
ff935051 | 3295 | |
781b178c JH |
3296 | src (src.U): |
3297 | This variable holds the path to the package source. It is up to | |
3298 | the Makefile to use this variable and set VPATH accordingly to | |
3299 | find the sources remotely. | |
3300 | ||
6b356c8e JH |
3301 | sSCNfldbl (longdblfio.U): |
3302 | This variable, if defined, contains the string used by stdio to | |
3303 | format long doubles (format 'f') for input. | |
3304 | ||
781b178c JH |
3305 | ssizetype (ssizetype.U): |
3306 | This variable defines ssizetype to be something like ssize_t, | |
3307 | long or int. It is used by functions that return a count | |
3308 | of bytes or an error condition. It must be a signed type. | |
3309 | We will pick a type such that sizeof(SSize_t) == sizeof(Size_t). | |
3310 | ||
3311 | startperl (startperl.U): | |
3312 | This variable contains the string to put on the front of a perl | |
3313 | script to make sure (hopefully) that it runs with perl and not some | |
3314 | shell. Of course, that leading line must be followed by the classical | |
3315 | perl idiom: | |
3316 | eval 'exec perl -S $0 ${1+"$@"}' | |
3317 | if $running_under_some_shell; | |
3318 | to guarantee perl startup should the shell execute the script. Note | |
3319 | that this magic incatation is not understood by csh. | |
3320 | ||
3321 | startsh (startsh.U): | |
3322 | This variable contains the string to put on the front of a shell | |
3323 | script to make sure (hopefully) that it runs with sh and not some | |
3324 | other shell. | |
3325 | ||
3326 | static_ext (Extensions.U): | |
3327 | This variable holds a list of XS extension files we want to | |
3328 | link statically into the package. It is used by Makefile. | |
3329 | ||
3330 | stdchar (stdchar.U): | |
3331 | This variable conditionally defines STDCHAR to be the type of char | |
3332 | used in stdio.h. It has the values "unsigned char" or "char". | |
3333 | ||
3334 | stdio_base (d_stdstdio.U): | |
3335 | This variable defines how, given a FILE pointer, fp, to access the | |
3336 | _base field (or equivalent) of stdio.h's FILE structure. This will | |
3337 | be used to define the macro FILE_base(fp). | |
3338 | ||
3339 | stdio_bufsiz (d_stdstdio.U): | |
3340 | This variable defines how, given a FILE pointer, fp, to determine | |
3341 | the number of bytes store in the I/O buffer pointer to by the | |
3342 | _base field (or equivalent) of stdio.h's FILE structure. This will | |
3343 | be used to define the macro FILE_bufsiz(fp). | |
3344 | ||
3345 | stdio_cnt (d_stdstdio.U): | |
3346 | This variable defines how, given a FILE pointer, fp, to access the | |
3347 | _cnt field (or equivalent) of stdio.h's FILE structure. This will | |
3348 | be used to define the macro FILE_cnt(fp). | |
3349 | ||
3350 | stdio_filbuf (d_stdstdio.U): | |
3351 | This variable defines how, given a FILE pointer, fp, to tell | |
3352 | stdio to refill it's internal buffers (?). This will | |
3353 | be used to define the macro FILE_filbuf(fp). | |
3354 | ||
3355 | stdio_ptr (d_stdstdio.U): | |
3356 | This variable defines how, given a FILE pointer, fp, to access the | |
3357 | _ptr field (or equivalent) of stdio.h's FILE structure. This will | |
3358 | be used to define the macro FILE_ptr(fp). | |
3359 | ||
3360 | stdio_stream_array (stdio_streams.U): | |
3361 | This variable tells the name of the array holding the stdio streams. | |
3362 | Usual values include _iob, __iob, and __sF. | |
3363 | ||
3364 | strings (i_string.U): | |
3365 | This variable holds the full path of the string header that will be | |
3366 | used. Typically /usr/include/string.h or /usr/include/strings.h. | |
3367 | ||
3368 | submit (Loc.U): | |
3369 | This variable is defined but not used by Configure. | |
3370 | The value is a plain '' and is not useful. | |
3371 | ||
3372 | subversion (patchlevel.U): | |
3373 | The subversion level of this package. | |
3374 | The value of subversion comes from the patchlevel.h file. | |
ff935051 | 3375 | In a version number such as 5.6.1, this is the "1". |
c890dc6c | 3376 | In patchlevel.h, this is referred to as "PERL_SUBVERSION". |
781b178c JH |
3377 | This is unique to perl. |
3378 | ||
3379 | sysman (sysman.U): | |
3380 | This variable holds the place where the manual is located on this | |
3381 | system. It is not the place where the user wants to put his manual | |
3382 | pages. Rather it is the place where Configure may look to find manual | |
3383 | for unix commands (section 1 of the manual usually). See mansrc. | |
3384 | ||
3385 | tail (Loc.U): | |
3386 | This variable is defined but not used by Configure. | |
3387 | The value is a plain '' and is not useful. | |
3388 | ||
3389 | tar (Loc.U): | |
3390 | This variable is defined but not used by Configure. | |
3391 | The value is a plain '' and is not useful. | |
3392 | ||
3393 | tbl (Loc.U): | |
3394 | This variable is defined but not used by Configure. | |
3395 | The value is a plain '' and is not useful. | |
3396 | ||
3397 | tee (Loc.U): | |
3398 | This variable is defined but not used by Configure. | |
3399 | The value is a plain '' and is not useful. | |
3400 | ||
3401 | test (Loc.U): | |
5bf26616 | 3402 | This variable is used internally by Configure to determine the |
781b178c JH |
3403 | full pathname (if any) of the test program. After Configure runs, |
3404 | the value is reset to a plain "test" and is not useful. | |
3405 | ||
3406 | timeincl (i_time.U): | |
3407 | This variable holds the full path of the included time header(s). | |
3408 | ||
3409 | timetype (d_time.U): | |
3410 | This variable holds the type returned by time(). It can be long, | |
3411 | or time_t on BSD sites (in which case <sys/types.h> should be | |
3412 | included). Anyway, the type Time_t should be used. | |
3413 | ||
3414 | touch (Loc.U): | |
5bf26616 | 3415 | This variable is used internally by Configure to determine the |
781b178c JH |
3416 | full pathname (if any) of the touch program. After Configure runs, |
3417 | the value is reset to a plain "touch" and is not useful. | |
3418 | ||
3419 | tr (Loc.U): | |
5bf26616 | 3420 | This variable is used internally by Configure to determine the |
781b178c JH |
3421 | full pathname (if any) of the tr program. After Configure runs, |
3422 | the value is reset to a plain "tr" and is not useful. | |
3423 | ||
3424 | trnl (trnl.U): | |
3425 | This variable contains the value to be passed to the tr(1) | |
3426 | command to transliterate a newline. Typical values are | |
3427 | '\012' and '\n'. This is needed for EBCDIC systems where | |
3428 | newline is not necessarily '\012'. | |
3429 | ||
3430 | troff (Loc.U): | |
3431 | This variable is defined but not used by Configure. | |
3432 | The value is a plain '' and is not useful. | |
3433 | ||
a22e52b9 JH |
3434 | u16size (perlxv.U): |
3435 | This variable is the size of an U16 in bytes. | |
3436 | ||
3437 | u16type (perlxv.U): | |
3438 | This variable contains the C type used for Perl's U16. | |
3439 | ||
3440 | u32size (perlxv.U): | |
3441 | This variable is the size of an U32 in bytes. | |
3442 | ||
3443 | u32type (perlxv.U): | |
3444 | This variable contains the C type used for Perl's U32. | |
3445 | ||
3446 | u64size (perlxv.U): | |
3447 | This variable is the size of an U64 in bytes. | |
3448 | ||
3449 | u64type (perlxv.U): | |
3450 | This variable contains the C type used for Perl's U64. | |
3451 | ||
3452 | u8size (perlxv.U): | |
3453 | This variable is the size of an U8 in bytes. | |
3454 | ||
3455 | u8type (perlxv.U): | |
3456 | This variable contains the C type used for Perl's U8. | |
3457 | ||
3458 | uidformat (uidf.U): | |
3459 | This variable contains the format string used for printing a Uid_t. | |
3460 | ||
2d228ff3 JH |
3461 | uidsign (uidsign.U): |
3462 | This variable contains the signedness of a uidtype. | |
3463 | 1 for unsigned, -1 for signed. | |
3464 | ||
785fb66b JH |
3465 | uidsize (uidsize.U): |
3466 | This variable contains the size of a uidtype in bytes. | |
3467 | ||
781b178c JH |
3468 | uidtype (uidtype.U): |
3469 | This variable defines Uid_t to be something like uid_t, int, | |
3470 | ushort, or whatever type is used to declare user ids in the kernel. | |
3471 | ||
3472 | uname (Loc.U): | |
5bf26616 | 3473 | This variable is used internally by Configure to determine the |
781b178c JH |
3474 | full pathname (if any) of the uname program. After Configure runs, |
3475 | the value is reset to a plain "uname" and is not useful. | |
3476 | ||
3477 | uniq (Loc.U): | |
5bf26616 | 3478 | This variable is used internally by Configure to determine the |
781b178c JH |
3479 | full pathname (if any) of the uniq program. After Configure runs, |
3480 | the value is reset to a plain "uniq" and is not useful. | |
3481 | ||
0befd8de JH |
3482 | uquadtype (quadtype.U): |
3483 | This variable defines Uquad_t to be something like unsigned long, | |
3484 | unsigned int, unsigned long long, uint64_t, or whatever type is | |
3485 | used for 64-bit integers. | |
3486 | ||
aaacdc8b GS |
3487 | use5005threads (usethreads.U): |
3488 | This variable conditionally defines the USE_5005THREADS symbol, | |
3489 | and indicates that Perl should be built to use the 5.005-based | |
3490 | threading implementation. | |
3491 | ||
10cc9d2a JH |
3492 | use64bitall (use64bits.U): |
3493 | This variable conditionally defines the USE_64_BIT_ALL symbol, | |
3494 | and indicates that 64-bit integer types should be used | |
3495 | when available. The maximal possible | |
3496 | 64-bitness is employed: LP64 or ILP64, meaning that you will | |
3497 | be able to use more than 2 gigabytes of memory. This mode is | |
3498 | even more binary incompatible than USE_64_BIT_INT. You may not | |
3499 | be able to run the resulting executable in a 32-bit CPU at all or | |
3500 | you may need at least to reboot your OS to 64-bit mode. | |
3501 | ||
3502 | use64bitint (use64bits.U): | |
3503 | This variable conditionally defines the USE_64_BIT_INT symbol, | |
aaacdc8b | 3504 | and indicates that 64-bit integer types should be used |
c890dc6c JH |
3505 | when available. The minimal possible 64-bitness |
3506 | is employed, just enough to get 64-bit integers into Perl. | |
3507 | This may mean using for example "long longs", while your memory | |
3508 | may still be limited to 2 gigabytes. | |
781b178c JH |
3509 | |
3510 | usedl (dlsrc.U): | |
ff935051 | 3511 | This variable indicates if the system supports dynamic |
781b178c JH |
3512 | loading of some sort. See also dlsrc and dlobj. |
3513 | ||
aaacdc8b GS |
3514 | useithreads (usethreads.U): |
3515 | This variable conditionally defines the USE_ITHREADS symbol, | |
3516 | and indicates that Perl should be built to use the interpreter-based | |
3517 | threading implementation. | |
3518 | ||
5bf26616 | 3519 | uselargefiles (uselfs.U): |
1baac590 JH |
3520 | This variable conditionally defines the USE_LARGE_FILES symbol, |
3521 | and indicates that large file interfaces should be used when | |
c890dc6c | 3522 | available. |
1baac590 | 3523 | |
ca24dfc6 LV |
3524 | uselongdouble (uselongdbl.U): |
3525 | This variable conditionally defines the USE_LONG_DOUBLE symbol, | |
3526 | and indicates that long doubles should be used when available. | |
3527 | ||
1baac590 JH |
3528 | usemorebits (usemorebits.U): |
3529 | This variable conditionally defines the USE_MORE_BITS symbol, | |
3530 | and indicates that explicit 64-bit interfaces and long doubles | |
3531 | should be used when available. | |
3532 | ||
781b178c JH |
3533 | usemultiplicity (usemultiplicity.U): |
3534 | This variable conditionally defines the MULTIPLICITY symbol, | |
3535 | and indicates that Perl should be built to use multiplicity. | |
3536 | ||
3537 | usemymalloc (mallocsrc.U): | |
3538 | This variable contains y if the malloc that comes with this package | |
3539 | is desired over the system's version of malloc. People often include | |
3540 | special versions of malloc for effiency, but such versions are often | |
3541 | less portable. See also mallocsrc and mallocobj. | |
3542 | If this is 'y', then -lmalloc is removed from $libs. | |
3543 | ||
3544 | usenm (usenm.U): | |
3545 | This variable contains 'true' or 'false' depending whether the | |
3546 | nm extraction is wanted or not. | |
3547 | ||
3548 | useopcode (Extensions.U): | |
3549 | This variable holds either 'true' or 'false' to indicate | |
3550 | whether the Opcode extension should be used. The sole | |
3551 | use for this currently is to allow an easy mechanism | |
3552 | for users to skip the Opcode extension from the Configure | |
3553 | command line. | |
3554 | ||
3555 | useperlio (useperlio.U): | |
3556 | This variable conditionally defines the USE_PERLIO symbol, | |
3557 | and indicates that the PerlIO abstraction should be | |
3558 | used throughout. | |
3559 | ||
3560 | useposix (Extensions.U): | |
3561 | This variable holds either 'true' or 'false' to indicate | |
3562 | whether the POSIX extension should be used. The sole | |
3563 | use for this currently is to allow an easy mechanism | |
3564 | for hints files to indicate that POSIX will not compile | |
3565 | on a particular system. | |
3566 | ||
3567 | usesfio (d_sfio.U): | |
3568 | This variable is set to true when the user agrees to use sfio. | |
3569 | It is set to false when sfio is not available or when the user | |
3570 | explicitely requests not to use sfio. It is here primarily so | |
3571 | that command-line settings can override the auto-detection of | |
3572 | d_sfio without running into a "WHOA THERE". | |
3573 | ||
3574 | useshrplib (libperl.U): | |
3575 | This variable is set to 'yes' if the user wishes | |
3576 | to build a shared libperl, and 'no' otherwise. | |
3577 | ||
3578 | usesocks (usesocks.U): | |
3579 | This variable conditionally defines the USE_SOCKS symbol, | |
3580 | and indicates that Perl should be built to use SOCKS. | |
3581 | ||
3582 | usethreads (usethreads.U): | |
3583 | This variable conditionally defines the USE_THREADS symbol, | |
3584 | and indicates that Perl should be built to use threads. | |
3585 | ||
9f50e519 NA |
3586 | usevendorprefix (vendorprefix.U): |
3587 | This variable tells whether the vendorprefix | |
3588 | and consequently other vendor* paths are in use. | |
3589 | ||
781b178c JH |
3590 | usevfork (d_vfork.U): |
3591 | This variable is set to true when the user accepts to use vfork. | |
3592 | It is set to false when no vfork is available or when the user | |
3593 | explicitely requests not to use vfork. | |
3594 | ||
3595 | usrinc (usrinc.U): | |
3596 | This variable holds the path of the include files, which is | |
3597 | usually /usr/include. It is mainly used by other Configure units. | |
3598 | ||
3599 | uuname (Loc.U): | |
3600 | This variable is defined but not used by Configure. | |
3601 | The value is a plain '' and is not useful. | |
3602 | ||
a22e52b9 JH |
3603 | uvoformat (perlxvf.U): |
3604 | This variable contains the format string used for printing | |
3605 | a Perl UV as an unsigned octal integer. | |
3606 | ||
3607 | uvsize (perlxv.U): | |
3608 | This variable is the size of a UV in bytes. | |
3609 | ||
3610 | uvtype (perlxv.U): | |
3611 | This variable contains the C type used for Perl's UV. | |
3612 | ||
3613 | uvuformat (perlxvf.U): | |
3614 | This variable contains the format string used for printing | |
3615 | a Perl UV as an unsigned decimal integer. | |
3616 | ||
3617 | uvxformat (perlxvf.U): | |
3618 | This variable contains the format string used for printing | |
6b4667fc A |
3619 | a Perl UV as an unsigned hexadecimal integer in lowercase abcdef. |
3620 | ||
6b356c8e | 3621 | uvXUformat (perlxvf.U): |
6b4667fc A |
3622 | This variable contains the format string used for printing |
3623 | a Perl UV as an unsigned hexadecimal integer in uppercase ABCDEF. | |
a22e52b9 | 3624 | |
526fdc24 MS |
3625 | vendorarch (vendorarch.U): |
3626 | This variable contains the value of the PERL_VENDORARCH symbol. | |
3627 | It may have a ~ on the front. | |
3628 | The standard distribution will put nothing in this directory. | |
3629 | Vendors who distribute perl may wish to place their own | |
3630 | architecture-dependent modules and extensions in this directory with | |
3631 | MakeMaker Makefile.PL INSTALLDIRS=vendor | |
3632 | or equivalent. See INSTALL for details. | |
3633 | ||
3634 | vendorarchexp (vendorarch.U): | |
3635 | This variable is the ~name expanded version of vendorarch, so that you | |
3636 | may use it directly in Makefiles or shell scripts. | |
3637 | ||
0617aed7 | 3638 | vendorbin (vendorbin.U): |
f868067f JH |
3639 | This variable contains the eventual value of the VENDORBIN symbol. |
3640 | It may have a ~ on the front. | |
3641 | The standard distribution will put nothing in this directory. | |
3642 | Vendors who distribute perl may wish to place additional | |
3643 | binaries in this directory with | |
3644 | MakeMaker Makefile.PL INSTALLDIRS=vendor | |
3645 | or equivalent. See INSTALL for details. | |
0617aed7 JH |
3646 | |
3647 | vendorbinexp (vendorbin.U): | |
3648 | This variable is the ~name expanded version of vendorbin, so that you | |
3649 | may use it directly in Makefiles or shell scripts. | |
3650 | ||
a3635516 JH |
3651 | vendorlib (vendorlib.U): |
3652 | This variable contains the eventual value of the VENDORLIB symbol, | |
f868067f JH |
3653 | which is the name of the private library for this package. |
3654 | The standard distribution will put nothing in this directory. | |
3655 | Vendors who distribute perl may wish to place their own | |
3656 | modules in this directory with | |
3657 | MakeMaker Makefile.PL INSTALLDIRS=vendor | |
3658 | or equivalent. See INSTALL for details. | |
a3635516 | 3659 | |
526fdc24 MS |
3660 | vendorlib_stem (vendorlib.U): |
3661 | This variable is $vendorlibexp with any trailing version-specific component | |
3662 | removed. The elements in inc_version_list (inc_version_list.U) can | |
3663 | be tacked onto this variable to generate a list of directories to search. | |
3664 | ||
a3635516 JH |
3665 | vendorlibexp (vendorlib.U): |
3666 | This variable is the ~name expanded version of vendorlib, so that you | |
3667 | may use it directly in Makefiles or shell scripts. | |
3668 | ||
3669 | vendorprefix (vendorprefix.U): | |
3670 | This variable holds the full absolute path of the directory below | |
3671 | which the vendor will install add-on packages. | |
f868067f | 3672 | See INSTALL for usage and examples. |
a3635516 JH |
3673 | |
3674 | vendorprefixexp (vendorprefix.U): | |
3675 | This variable holds the full absolute path of the directory below | |
3676 | which the vendor will install add-on packages. Derived from vendorprefix. | |
3677 | ||
781b178c | 3678 | version (patchlevel.U): |
ff935051 | 3679 | The full version number of this package, such as 5.6.1 (or 5_6_1). |
c890dc6c | 3680 | This combines revision, patchlevel, and subversion to get the |
ff935051 JH |
3681 | full version number, including any possible subversions. |
3682 | This is suitable for use as a directory name, and hence is | |
3683 | filesystem dependent. | |
781b178c JH |
3684 | |
3685 | vi (Loc.U): | |
3686 | This variable is defined but not used by Configure. | |
3687 | The value is a plain '' and is not useful. | |
3688 | ||
3689 | voidflags (voidflags.U): | |
3690 | This variable contains the eventual value of the VOIDFLAGS symbol, | |
3691 | which indicates how much support of the void type is given by this | |
3692 | compiler. See VOIDFLAGS for more info. | |
3693 | ||
3694 | xlibpth (libpth.U): | |
3695 | This variable holds extra path (space-separated) used to find | |
3696 | libraries on this platform, for example CPU-specific libraries | |
3697 | (on multi-CPU platforms) may be listed here. | |
3698 | ||
fe749a9f JH |
3699 | xs_apiversion (xs_apiversion.U): |
3700 | This variable contains the version of the oldest perl binary | |
3701 | compatible with the present perl. perl.c:incpush() and | |
3702 | lib/lib.pm will automatically search in $sitearch for older | |
3703 | directories across major versions back to xs_apiversion. | |
3704 | This is only useful if you have a perl library directory tree | |
3705 | structured like the default one. | |
3706 | See INSTALL for how this works. | |
3707 | The versioned site_perl directory was introduced in 5.005, | |
3708 | so that is the lowest possible value. | |
3709 | Since this can depend on compile time options (such as | |
3710 | bincompat) it is set by Configure. Other non-default sources | |
3711 | of potential incompatibility, such as multiplicity, threads, | |
3712 | debugging, 64bits, sfio, etc., are not checked for currently, | |
3713 | though in principle we could go snooping around in old | |
3714 | Config.pm files. | |
3715 | ||
781b178c JH |
3716 | zcat (Loc.U): |
3717 | This variable is defined but not used by Configure. | |
3718 | The value is a plain '' and is not useful. | |
3719 | ||
3720 | zip (Loc.U): | |
5bf26616 | 3721 | This variable is used internally by Configure to determine the |
781b178c JH |
3722 | full pathname (if any) of the zip program. After Configure runs, |
3723 | the value is reset to a plain "zip" and is not useful. | |
3724 |