3 # THIS IS A GENERATED FILE
6 # See Porting/config_h.pl
8 : Set up for generating config_h.SH
10 '') CONFIG_SH=config.sh;;
13 '') CONFIG_H=config.h;;
15 case $PERL_CONFIG_SH in
17 if test -f $CONFIG_SH; then TOP=.;
18 elif test -f ../$CONFIG_SH; then TOP=..;
19 elif test -f ../../$CONFIG_SH; then TOP=../..;
20 elif test -f ../../../$CONFIG_SH; then TOP=../../..;
21 elif test -f ../../../../$CONFIG_SH; then TOP=../../../..;
23 echo "Can't find $CONFIG_SH."; exit 1
29 */*) cd `expr X$0 : 'X\(.*\)/'` ;;
32 already-done) echo "Not re-extracting config.h" ;;
34 echo "Extracting $CONFIG_H (with variable substitutions)"
35 sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un-def!#undef!'
36 /* This file was produced by running the config_h.SH script, which
37 * gets its values from $CONFIG_SH, which is generally produced by
40 * Feel free to modify any of this as the need arises. Note, however,
41 * that running config_h.SH again will wipe out any changes you've made.
42 * For a more permanent change edit $CONFIG_SH and rerun config_h.SH.
45 /* Package name : $package
46 * Source directory : $src
47 * Configuration time: $cf_time
48 * Configured by : $cf_by
49 * Target system : $myuname
56 * This symbol holds the complete pathname to the sed program.
58 #define LOC_SED "$full_sed" /**/
61 * This symbol, if defined, indicates that the alarm routine is
64 #$d_alarm HAS_ALARM /**/
67 * This symbol is defined if the bcmp() routine is available to
68 * compare blocks of memory.
70 #$d_bcmp HAS_BCMP /**/
73 * This symbol is defined if the bcopy() routine is available to
74 * copy blocks of memory.
76 #$d_bcopy HAS_BCOPY /**/
79 * This symbol is defined if the bzero() routine is available to
80 * set a memory block to 0.
82 #$d_bzero HAS_BZERO /**/
85 * This symbol, if defined, indicates that the cbrt() (cube root)
86 * function is available.
88 #$d_cbrt HAS_CBRT /**/
91 * This symbol, if defined, indicates that the chown routine is
94 #$d_chown HAS_CHOWN /**/
97 * This symbol, if defined, indicates that the chroot routine is
100 #$d_chroot HAS_CHROOT /**/
103 * This symbol, if defined, indicates that the chsize routine is available
104 * to truncate files. You might need a -lx to get this routine.
106 #$d_chsize HAS_CHSIZE /**/
109 * This symbol, if defined, indicates that the crypt routine is available
110 * to encrypt passwords and the like.
112 #$d_crypt HAS_CRYPT /**/
115 * This symbol, if defined, indicates that the ctermid routine is
116 * available to generate filename for terminal.
118 #$d_ctermid HAS_CTERMID /**/
121 * This symbol, if defined, indicates that the cuserid routine is
122 * available to get character login names.
124 #$d_cuserid HAS_CUSERID /**/
127 * This symbol, if defined, indicates that this system's <float.h>
128 * or <limits.h> defines the symbol DBL_DIG, which is the number
129 * of significant digits in a double precision number. If this
130 * symbol is not defined, a guess of 15 is usually pretty good.
132 #$d_dbl_dig HAS_DBL_DIG /**/
135 * This symbol, if defined, indicates that the difftime routine is
138 #$d_difftime HAS_DIFFTIME /**/
141 * This symbol, if defined, indicates that the dlerror routine is
142 * available to return a string describing the last error that
143 * occurred from a call to dlopen(), dlclose() or dlsym().
145 #$d_dlerror HAS_DLERROR /**/
148 * This symbol, if defined, indicates that the dup2 routine is
149 * available to duplicate file descriptors.
151 #$d_dup2 HAS_DUP2 /**/
154 * This symbol, if defined, indicates that the fchmod routine is available
155 * to change mode of opened files. If unavailable, use chmod().
157 #$d_fchmod HAS_FCHMOD /**/
160 * This symbol, if defined, indicates that the fchown routine is available
161 * to change ownership of opened files. If unavailable, use chown().
163 #$d_fchown HAS_FCHOWN /**/
166 * This symbol, if defined, indicates to the C program that
167 * the fcntl() function exists.
169 #$d_fcntl HAS_FCNTL /**/
172 * This symbol, if defined, indicates that the fgetpos routine is
173 * available to get the file position indicator, similar to ftell().
175 #$d_fgetpos HAS_FGETPOS /**/
178 * This symbol, if defined, indicates that the flock routine is
179 * available to do file locking.
181 #$d_flock HAS_FLOCK /**/
184 * This symbol, if defined, indicates that the fork routine is
187 #$d_fork HAS_FORK /**/
190 * This symbol, if defined, indicates that the fsetpos routine is
191 * available to set the file position indicator, similar to fseek().
193 #$d_fsetpos HAS_FSETPOS /**/
196 * This symbol, if defined, indicates that the gettimeofday() system
197 * call is available for a sub-second accuracy clock. Usually, the file
198 * <sys/resource.h> needs to be included (see I_SYS_RESOURCE).
199 * The type "Timeval" should be used to refer to "struct timeval".
201 #$d_gettimeod HAS_GETTIMEOFDAY /**/
202 #ifdef HAS_GETTIMEOFDAY
203 #define Timeval struct timeval /* Structure used by gettimeofday() */
207 * This symbol, if defined, indicates that the getgroups() routine is
208 * available to get the list of process groups. If unavailable, multiple
209 * groups are probably not supported.
211 #$d_getgrps HAS_GETGROUPS /**/
214 * This symbol, if defined, indicates that the getlogin routine is
215 * available to get the login name.
217 #$d_getlogin HAS_GETLOGIN /**/
220 * This symbol, if defined, indicates to the C program that
221 * the getpgid(pid) function is available to get the
224 #$d_getpgid HAS_GETPGID /**/
227 * This symbol, if defined, indicates that the getpgrp2() (as in DG/UX)
228 * routine is available to get the current process group.
230 #$d_getpgrp2 HAS_GETPGRP2 /**/
233 * This symbol, if defined, indicates that the getppid routine is
234 * available to get the parent process ID.
236 #$d_getppid HAS_GETPPID /**/
239 * This symbol, if defined, indicates that the getpriority routine is
240 * available to get a process's priority.
242 #$d_getprior HAS_GETPRIORITY /**/
245 * This symbol, if defined, indicates to the C program that the
246 * inet_aton() function is available to parse IP address "dotted-quad"
249 #$d_inetaton HAS_INET_ATON /**/
252 * This symbol, if defined, indicates that the killpg routine is available
253 * to kill process groups. If unavailable, you probably should use kill
254 * with a negative process number.
256 #$d_killpg HAS_KILLPG /**/
259 * This symbol, if defined, indicates that the link routine is
260 * available to create hard links.
262 #$d_link HAS_LINK /**/
265 * This symbol, if defined, indicates that the localeconv routine is
266 * available for numeric and monetary formatting conventions.
268 #$d_locconv HAS_LOCALECONV /**/
271 * This symbol, if defined, indicates that the lockf routine is
272 * available to do file locking.
274 #$d_lockf HAS_LOCKF /**/
277 * This symbol, if defined, indicates that the lstat routine is
278 * available to do file stats on symbolic links.
280 #$d_lstat HAS_LSTAT /**/
283 * This symbol, if defined, indicates that the mblen routine is available
284 * to find the number of bytes in a multibye character.
286 #$d_mblen HAS_MBLEN /**/
289 * This symbol, if defined, indicates that the mbstowcs routine is
290 * available to convert a multibyte string into a wide character string.
292 #$d_mbstowcs HAS_MBSTOWCS /**/
295 * This symbol, if defined, indicates that the mbtowc routine is available
296 * to convert a multibyte to a wide character.
298 #$d_mbtowc HAS_MBTOWC /**/
301 * This symbol, if defined, indicates that the memcmp routine is available
302 * to compare blocks of memory.
304 #$d_memcmp HAS_MEMCMP /**/
307 * This symbol, if defined, indicates that the memcpy routine is available
308 * to copy blocks of memory.
310 #$d_memcpy HAS_MEMCPY /**/
313 * This symbol, if defined, indicates that the memmove routine is available
314 * to copy potentially overlapping blocks of memory. This should be used
315 * only when HAS_SAFE_BCOPY is not defined. If neither is there, roll your
318 #$d_memmove HAS_MEMMOVE /**/
321 * This symbol, if defined, indicates that the memset routine is available
322 * to set blocks of memory.
324 #$d_memset HAS_MEMSET /**/
327 * This symbol, if defined, indicates that the mkdir routine is available
328 * to create directories. Otherwise you should fork off a new process to
331 #$d_mkdir HAS_MKDIR /**/
334 * This symbol, if defined, indicates that the mkfifo routine is
335 * available to create FIFOs. Otherwise, mknod should be able to
336 * do it for you. However, if mkfifo is there, mknod might require
337 * super-user privileges which mkfifo will not.
339 #$d_mkfifo HAS_MKFIFO /**/
342 * This symbol, if defined, indicates that the mktime routine is
345 #$d_mktime HAS_MKTIME /**/
348 * This symbol, if defined, indicates that the msync system call is
349 * available to synchronize a mapped file.
351 #$d_msync HAS_MSYNC /**/
354 * This symbol, if defined, indicates that the munmap system call is
355 * available to unmap a region, usually mapped by mmap().
357 #$d_munmap HAS_MUNMAP /**/
360 * This symbol, if defined, indicates that the nice routine is
363 #$d_nice HAS_NICE /**/
366 * This symbol, if defined, indicates that pathconf() is available
367 * to determine file-system related limits and options associated
368 * with a given filename.
371 * This symbol, if defined, indicates that pathconf() is available
372 * to determine file-system related limits and options associated
373 * with a given open file descriptor.
375 #$d_pathconf HAS_PATHCONF /**/
376 #$d_fpathconf HAS_FPATHCONF /**/
379 * This symbol, if defined, indicates that the pause routine is
380 * available to suspend a process until a signal is received.
382 #$d_pause HAS_PAUSE /**/
385 * This symbol, if defined, indicates that the pipe routine is
386 * available to create an inter-process channel.
388 #$d_pipe HAS_PIPE /**/
391 * This symbol, if defined, indicates that the poll routine is
392 * available to poll active file descriptors. Please check I_POLL and
393 * I_SYS_POLL to know which header should be included as well.
395 #$d_poll HAS_POLL /**/
398 * This symbol, if defined, indicates that the readdir routine is
399 * available to read directory entries. You may have to include
400 * <dirent.h>. See I_DIRENT.
402 #$d_readdir HAS_READDIR /**/
405 * This symbol, if defined, indicates that the seekdir routine is
406 * available. You may have to include <dirent.h>. See I_DIRENT.
408 #$d_seekdir HAS_SEEKDIR /**/
411 * This symbol, if defined, indicates that the telldir routine is
412 * available. You may have to include <dirent.h>. See I_DIRENT.
414 #$d_telldir HAS_TELLDIR /**/
417 * This symbol, if defined, indicates that the rewinddir routine is
418 * available. You may have to include <dirent.h>. See I_DIRENT.
420 #$d_rewinddir HAS_REWINDDIR /**/
423 * This symbol, if defined, indicates that the readlink routine is
424 * available to read the value of a symbolic link.
426 #$d_readlink HAS_READLINK /**/
429 * This symbol, if defined, indicates that the regcomp() routine is
430 * available to do some regular patern matching (usually on POSIX.2
431 * conforming systems).
433 #$d_regcomp HAS_REGCOMP /* POSIX.2 */
436 * This symbol, if defined, indicates that the rename routine is available
437 * to rename files. Otherwise you should do the unlink(), link(), unlink()
440 #$d_rename HAS_RENAME /**/
443 * This symbol, if defined, indicates that the rmdir routine is
444 * available to remove directories. Otherwise you should fork off a
445 * new process to exec /bin/rmdir.
447 #$d_rmdir HAS_RMDIR /**/
450 * This symbol, if defined, indicates that the select routine is
451 * available to select active file descriptors. If the timeout field
452 * is used, <sys/time.h> may need to be included.
454 #$d_select HAS_SELECT /**/
457 * This symbol, if defined, indicates that the setegid routine is available
458 * to change the effective gid of the current program.
460 #$d_setegid HAS_SETEGID /**/
463 * This symbol, if defined, indicates that the seteuid routine is available
464 * to change the effective uid of the current program.
466 #$d_seteuid HAS_SETEUID /**/
469 * This symbol, if defined, indicates that the setgroups() routine is
470 * available to set the list of process groups. If unavailable, multiple
471 * groups are probably not supported.
473 #$d_setgrps HAS_SETGROUPS /**/
476 * This symbol, if defined, indicates that the setlinebuf routine is
477 * available to change stderr or stdout from block-buffered or unbuffered
478 * to a line-buffered mode.
480 #$d_setlinebuf HAS_SETLINEBUF /**/
483 * This symbol, if defined, indicates that the setlocale routine is
484 * available to handle locale-specific ctype implementations.
486 #$d_setlocale HAS_SETLOCALE /**/
489 * This symbol, if defined, indicates that the setpgid(pid, gpid)
490 * routine is available to set process group ID.
492 #$d_setpgid HAS_SETPGID /**/
495 * This symbol, if defined, indicates that the setpgrp2() (as in DG/UX)
496 * routine is available to set the current process group.
498 #$d_setpgrp2 HAS_SETPGRP2 /**/
501 * This symbol, if defined, indicates that the setpriority routine is
502 * available to set a process's priority.
504 #$d_setprior HAS_SETPRIORITY /**/
507 * This symbol, if defined, indicates that the setregid routine is
508 * available to change the real and effective gid of the current
512 * This symbol, if defined, indicates that the setresgid routine is
513 * available to change the real, effective and saved gid of the current
516 #$d_setregid HAS_SETREGID /**/
517 #$d_setresgid HAS_SETRESGID /**/
520 * This symbol, if defined, indicates that the setreuid routine is
521 * available to change the real and effective uid of the current
525 * This symbol, if defined, indicates that the setresuid routine is
526 * available to change the real, effective and saved uid of the current
529 #$d_setreuid HAS_SETREUID /**/
530 #$d_setresuid HAS_SETRESUID /**/
533 * This symbol, if defined, indicates that the setrgid routine is available
534 * to change the real gid of the current program.
536 #$d_setrgid HAS_SETRGID /**/
539 * This symbol, if defined, indicates that the setruid routine is available
540 * to change the real uid of the current program.
542 #$d_setruid HAS_SETRUID /**/
545 * This symbol, if defined, indicates that the setsid routine is
546 * available to set the process group ID.
548 #$d_setsid HAS_SETSID /**/
551 * This symbol, if defined, indicates that the stat routine is
552 * available to get file status.
554 #$d_stat HAS_STAT /**/
557 * This symbol is defined to indicate that the strchr()/strrchr()
558 * functions are available for string searching. If not, try the
559 * index()/rindex() pair.
562 * This symbol is defined to indicate that the index()/rindex()
563 * functions are available for string searching.
565 #$d_strchr HAS_STRCHR /**/
566 #$d_index HAS_INDEX /**/
569 * This symbol, if defined, indicates that the strcoll routine is
570 * available to compare strings using collating information.
572 #$d_strcoll HAS_STRCOLL /**/
575 * This symbol, if defined, indicates that the strtod routine is
576 * available to provide better numeric string conversion than atof().
578 #$d_strtod HAS_STRTOD /**/
581 * This symbol, if defined, indicates that the strtol routine is available
582 * to provide better numeric string conversion than atoi() and friends.
584 #$d_strtol HAS_STRTOL /**/
587 * This symbol, if defined, indicates that the strxfrm() routine is
588 * available to transform strings.
590 #$d_strxfrm HAS_STRXFRM /**/
593 * This symbol, if defined, indicates that the symlink routine is available
594 * to create symbolic links.
596 #$d_symlink HAS_SYMLINK /**/
599 * This symbol, if defined, indicates that the syscall routine is
600 * available to call arbitrary system calls. If undefined, that's tough.
602 #$d_syscall HAS_SYSCALL /**/
605 * This symbol, if defined, indicates that sysconf() is available
606 * to determine system related limits and options.
608 #$d_sysconf HAS_SYSCONF /**/
611 * This symbol, if defined, indicates that the system routine is
612 * available to issue a shell command.
614 #$d_system HAS_SYSTEM /**/
617 * This symbol, if defined, indicates that the tcgetpgrp routine is
618 * available to get foreground process group ID.
620 #$d_tcgetpgrp HAS_TCGETPGRP /**/
623 * This symbol, if defined, indicates that the tcsetpgrp routine is
624 * available to set foreground process group ID.
626 #$d_tcsetpgrp HAS_TCSETPGRP /**/
629 * This symbol, if defined, indicates that the truncate routine is
630 * available to truncate files.
632 #$d_truncate HAS_TRUNCATE /**/
635 * This symbol, if defined, indicates that the tzname[] array is
636 * available to access timezone names.
638 #$d_tzname HAS_TZNAME /**/
641 * This symbol, if defined, indicates that the umask routine is
642 * available to set and get the value of the file creation mask.
644 #$d_umask HAS_UMASK /**/
647 * This symbol, if defined, indicates that the usleep routine is
648 * available to let the process sleep on a sub-second accuracy.
650 #$d_usleep HAS_USLEEP /**/
653 * This symbol, if defined, indicates that wait4() exists.
655 #$d_wait4 HAS_WAIT4 /**/
658 * This symbol, if defined, indicates that the waitpid routine is
659 * available to wait for child process.
661 #$d_waitpid HAS_WAITPID /**/
664 * This symbol, if defined, indicates that the wcstombs routine is
665 * available to convert wide character strings to multibyte strings.
667 #$d_wcstombs HAS_WCSTOMBS /**/
670 * This symbol, if defined, indicates that the wctomb routine is available
671 * to convert a wide character to a multibyte.
673 #$d_wctomb HAS_WCTOMB /**/
676 * This symbol holds the type used for the second argument to
677 * getgroups() and setgroups(). Usually, this is the same as
678 * gidtype (gid_t) , but sometimes it isn't.
679 * It can be int, ushort, gid_t, etc...
680 * It may be necessary to include <sys/types.h> to get any
681 * typedef'ed information. This is only required if you have
682 * getgroups() or setgroups()..
684 #if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS)
685 #define Groups_t $groupstype /* Type for 2nd arg to [sg]etgroups() */
689 * This symbol, if defined, indicates to the C program that it should
690 * include <arpa/inet.h> to get inet_addr and friends declarations.
692 #$i_arpainet I_ARPA_INET /**/
695 * This symbol, if defined, indicates that <dbm.h> exists and should
699 * This symbol, if defined, indicates that <rpcsvc/dbm.h> exists and
700 * should be included.
703 #$i_rpcsvcdbm I_RPCSVC_DBM /**/
706 * This symbol, if defined, indicates that <dlfcn.h> exists and should
709 #$i_dlfcn I_DLFCN /**/
712 * This manifest constant tells the C program to include <fcntl.h>.
714 #$i_fcntl I_FCNTL /**/
717 * This symbol, if defined, indicates to the C program that it should
718 * include <float.h> to get definition of symbols like DBL_MAX or
719 * DBL_MIN, i.e. machine dependent floating point values.
721 #$i_float I_FLOAT /**/
724 * This symbol, if defined, indicates that <gdbm.h> exists and should
730 * This symbol, if defined, indicates to the C program that it should
731 * include <limits.h> to get definition of symbols like WORD_BIT or
732 * LONG_MAX, i.e. machine dependant limitations.
734 #$i_limits I_LIMITS /**/
737 * This symbol, if defined, indicates to the C program that it should
738 * include <locale.h>.
740 #$i_locale I_LOCALE /**/
743 * This symbol, if defined, indicates to the C program that it should
749 * This symbol, if defined, indicates to the C program that it should
750 * include <memory.h>.
752 #$i_memory I_MEMORY /**/
755 * This symbol, if defined, indicates to the C program that it should
756 * include <netinet/in.h>. Otherwise, you may try <sys/in.h>.
758 #$i_niin I_NETINET_IN /**/
761 * This symbol, if defined, indicates that <stddef.h> exists and should
764 #$i_stddef I_STDDEF /**/
767 * This symbol, if defined, indicates that <stdlib.h> exists and should
770 #$i_stdlib I_STDLIB /**/
773 * This symbol, if defined, indicates to the C program that it should
774 * include <string.h> (USG systems) instead of <strings.h> (BSD systems).
776 #$i_string I_STRING /**/
779 * This symbol, if defined, indicates to the C program that it should
780 * include <sys/dir.h>.
782 #$i_sysdir I_SYS_DIR /**/
785 * This symbol, if defined, indicates to the C program that it should
786 * include <sys/file.h> to get definition of R_OK and friends.
788 #$i_sysfile I_SYS_FILE /**/
791 * This symbol, if defined, indicates that <sys/ioctl.h> exists and should
792 * be included. Otherwise, include <sgtty.h> or <termio.h>.
795 * This symbol, if defined, indicates the <sys/sockio.h> should be included
796 * to get socket ioctl options, like SIOCATMARK.
798 #$i_sysioctl I_SYS_IOCTL /**/
799 #$i_syssockio I_SYS_SOCKIO /**/
802 * This symbol, if defined, indicates to the C program that it should
803 * include <sys/ndir.h>.
805 #$i_sysndir I_SYS_NDIR /**/
808 * This symbol, if defined, indicates to the C program that it should
809 * include <sys/param.h>.
811 #$i_sysparam I_SYS_PARAM /**/
814 * This symbol, if defined, indicates that the program may include
815 * <sys/poll.h>. When I_POLL is also defined, it's probably safest
816 * to only include <poll.h>.
818 #$i_syspoll I_SYS_POLL /**/
821 * This symbol, if defined, indicates to the C program that it should
822 * include <sys/resource.h>.
824 #$i_sysresrc I_SYS_RESOURCE /**/
827 * This symbol, if defined, indicates to the C program that it should
828 * include <sys/select.h> in order to get definition of struct timeval.
830 #$i_sysselct I_SYS_SELECT /**/
833 * This symbol, if defined, indicates to the C program that it should
834 * include <sys/stat.h>.
836 #$i_sysstat I_SYS_STAT /**/
839 * This symbol, if defined, indicates to the C program that it should
840 * include <sys/times.h>.
842 #$i_systimes I_SYS_TIMES /**/
845 * This symbol, if defined, indicates to the C program that it should
846 * include <sys/types.h>.
848 #$i_systypes I_SYS_TYPES /**/
851 * This symbol, if defined, indicates to the C program that it should
852 * include <sys/un.h> to get UNIX domain socket definitions.
854 #$i_sysun I_SYS_UN /**/
857 * This symbol, if defined, indicates to the C program that it should
858 * include <sys/wait.h>.
860 #$i_syswait I_SYS_WAIT /**/
863 * This symbol, if defined, indicates to the C program that it should
864 * include <unistd.h>.
866 #$i_unistd I_UNISTD /**/
869 * This symbol, if defined, indicates to the C program that it should
872 #$i_utime I_UTIME /**/
875 * This symbol, if defined, indicates to the C program that it should
876 * include <values.h> to get definition of symbols like MINFLOAT or
877 * MAXLONG, i.e. machine dependant limitations. Probably, you
878 * should use <limits.h> instead, if it is available.
880 #$i_values I_VALUES /**/
883 * This symbol, if defined, indicates to the C program that it should
886 #$i_vfork I_VFORK /**/
889 * This variable is defined on systems supporting prototype declaration
890 * of functions with a variable number of arguments.
893 * This macro is used to declare function parameters in prototypes for
894 * functions with a variable number of parameters. Use double parentheses.
897 * int printf _V((char *fmt, ...));
899 * Remember to use the plain simple _() macro when declaring a function
900 * with no variable number of arguments, since it might be possible to
901 * have a non-effect _V() macro and still get prototypes via _().
903 #$vaproto CAN_VAPROTO /**/
905 #define _V(args) args
911 * This symbol contains the name of the operating system, as determined
912 * by Configure. You shouldn't rely on it too much; the specific
913 * feature tests from Configure are generally more reliable.
916 * This symbol contains the version of the operating system, as determined
917 * by Configure. You shouldn't rely on it too much; the specific
918 * feature tests from Configure are generally more reliable.
920 #define OSNAME "$osname" /**/
921 #define OSVERS "$osvers" /**/
924 * This symbol, if defined, signifies that the build
925 * process will produce some binary files that are going to be
926 * used in a cross-platform environment. This is the case for
927 * example with the NeXT "fat" binaries that contain executables
930 #$multiarch MULTIARCH /**/
933 * This symbol contains the number of bytes required to align a
934 * double, or a long double when applicable. Usual values are 2,
935 * 4 and 8. The default is eight, for safety. For cross-compiling
936 * or multiarch support, Configure will set a minimum of 8.
938 #define MEM_ALIGNBYTES $alignbytes
941 * This variable, if defined, holds the name of the directory in
942 * which the user wants to put architecture-dependent public
943 * library files for $package. It is most often a local directory
944 * such as /usr/local/lib. Programs using this variable must be
945 * prepared to deal with filename expansion. If ARCHLIB is the
946 * same as PRIVLIB, it is not defined, since presumably the
947 * program already searches PRIVLIB.
950 * This symbol contains the ~name expanded version of ARCHLIB, to be used
951 * in programs that are not prepared to deal with ~ expansion at run-time.
953 #$d_archlib ARCHLIB "$archlib" /**/
954 #$d_archlib ARCHLIB_EXP "$archlibexp" /**/
957 * This symbol holds a string representing the architecture name.
958 * It may be used to construct an architecture-dependant pathname
959 * where library files may be held under a private library, for
962 #define ARCHNAME "$archname" /**/
965 * This symbol holds the path of the bin directory where the package will
966 * be installed. Program must be prepared to deal with ~name substitution.
969 * This symbol is the filename expanded version of the BIN symbol, for
970 * programs that do not want to deal with that at run-time.
972 /* PERL_RELOCATABLE_INC:
973 * This symbol, if defined, indicates that we'd like to relocate entries
974 * in @INC at run time based on the location of the perl binary.
976 #define BIN "$bin" /**/
977 #define BIN_EXP "$binexp" /**/
978 #define PERL_RELOCATABLE_INC "$userelocatableinc" /**/
981 * This symbol contains the value of sizeof(int) so that the C
982 * preprocessor can make decisions based on it.
985 * This symbol contains the value of sizeof(long) so that the C
986 * preprocessor can make decisions based on it.
989 * This symbol contains the value of sizeof(short) so that the C
990 * preprocessor can make decisions based on it.
992 #define INTSIZE $intsize /**/
993 #define LONGSIZE $longsize /**/
994 #define SHORTSIZE $shortsize /**/
997 * This symbol holds the hexadecimal constant defined in byteorder,
998 * in a UV, i.e. 0x1234 or 0x4321 or 0x12345678, etc...
999 * If the compiler supports cross-compiling or multiple-architecture
1000 * binaries, use compiler-defined macros to
1001 * determine the byte order.
1003 #if defined(MULTIARCH)
1004 # ifdef __LITTLE_ENDIAN__
1006 # define BYTEORDER 0x1234
1009 # define BYTEORDER 0x12345678
1013 # ifdef __BIG_ENDIAN__
1015 # define BYTEORDER 0x4321
1018 # define BYTEORDER 0x87654321
1024 #define BYTEORDER 0x$byteorder /* large digits for MSB */
1028 * This symbol contains the size of a char, so that the C preprocessor
1029 * can make decisions based on it.
1031 #define CHARBITS $charbits /**/
1034 * This macro concatenates 2 tokens together.
1037 * This macro surrounds its token with double quotes.
1040 #define CAT2(a,b) a/**/b
1041 #define STRINGIFY(a) "a"
1043 #if $cpp_stuff == 42
1044 #define PeRl_CaTiFy(a, b) a ## b
1045 #define PeRl_StGiFy(a) #a
1046 #define CAT2(a,b) PeRl_CaTiFy(a,b)
1047 #define StGiFy(a) PeRl_StGiFy(a)
1048 #define STRINGIFY(a) PeRl_StGiFy(a)
1050 #if $cpp_stuff != 1 && $cpp_stuff != 42
1051 #include "Bletch: How does this C preprocessor concatenate tokens?"
1055 * This symbol contains the first part of the string which will invoke
1056 * the C preprocessor on the standard input and produce to standard
1057 * output. Typical value of "cc -E" or "/lib/cpp", but it can also
1058 * call a wrapper. See CPPRUN.
1061 * This symbol contains the second part of the string which will invoke
1062 * the C preprocessor on the standard input and produce to standard
1063 * output. This symbol will have the value "-" if CPPSTDIN needs a minus
1064 * to specify standard input, otherwise the value is "".
1067 * This symbol contains the string which will invoke a C preprocessor on
1068 * the standard input and produce to standard output. It needs to end
1069 * with CPPLAST, after all other preprocessor flags have been specified.
1070 * The main difference with CPPSTDIN is that this program will never be a
1071 * pointer to a shell wrapper, i.e. it will be empty if no preprocessor is
1072 * available directly to the user. Note that it may well be different from
1073 * the preprocessor used to compile the C program.
1076 * This symbol is intended to be used along with CPPRUN in the same manner
1077 * symbol CPPMINUS is used with CPPSTDIN. It contains either "-" or "".
1079 #define CPPSTDIN "$cppstdin"
1080 #define CPPMINUS "$cppminus"
1081 #define CPPRUN "$cpprun"
1082 #define CPPLAST "$cpplast"
1085 * This manifest constant lets the C program know that the access()
1086 * system call is available to check for accessibility using real UID/GID.
1087 * (always present on UNIX.)
1089 #$d_access HAS_ACCESS /**/
1092 * This symbol, if defined, indicates that the accessx routine is
1093 * available to do extended access checks.
1095 #$d_accessx HAS_ACCESSX /**/
1098 * This symbol, if defined, indicates that the asctime_r routine
1099 * is available to asctime re-entrantly.
1102 * This symbol encodes the prototype of asctime_r.
1103 * It is zero if d_asctime_r is undef, and one of the
1104 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_asctime_r
1107 #$d_asctime_r HAS_ASCTIME_R /**/
1108 #define ASCTIME_R_PROTO $asctime_r_proto /**/
1110 /* HASATTRIBUTE_FORMAT:
1111 * Can we handle GCC attribute for checking printf-style formats
1113 /* PRINTF_FORMAT_NULL_OK:
1114 * Allows __printf__ format to be null when checking printf-style
1116 /* HASATTRIBUTE_MALLOC:
1117 * Can we handle GCC attribute for malloc-style functions.
1119 /* HASATTRIBUTE_NONNULL:
1120 * Can we handle GCC attribute for nonnull function parms.
1122 /* HASATTRIBUTE_NORETURN:
1123 * Can we handle GCC attribute for functions that do not return
1125 /* HASATTRIBUTE_PURE:
1126 * Can we handle GCC attribute for pure functions
1128 /* HASATTRIBUTE_UNUSED:
1129 * Can we handle GCC attribute for unused variables and arguments
1131 /* HASATTRIBUTE_DEPRECATED:
1132 * Can we handle GCC attribute for marking deprecated APIs
1134 /* HASATTRIBUTE_WARN_UNUSED_RESULT:
1135 * Can we handle GCC attribute for warning on unused results
1137 #$d_attribute_deprecated HASATTRIBUTE_DEPRECATED /**/
1138 #$d_attribute_format HASATTRIBUTE_FORMAT /**/
1139 #$d_printf_format_null PRINTF_FORMAT_NULL_OK /**/
1140 #$d_attribute_noreturn HASATTRIBUTE_NORETURN /**/
1141 #$d_attribute_malloc HASATTRIBUTE_MALLOC /**/
1142 #$d_attribute_nonnull HASATTRIBUTE_NONNULL /**/
1143 #$d_attribute_pure HASATTRIBUTE_PURE /**/
1144 #$d_attribute_unused HASATTRIBUTE_UNUSED /**/
1145 #$d_attribute_warn_unused_result HASATTRIBUTE_WARN_UNUSED_RESULT /**/
1148 * This symbol, if defined, indicates that the backtrace() routine is
1149 * available to get a stack trace. The <execinfo.h> header must be
1150 * included to use this routine.
1152 #$d_backtrace HAS_BACKTRACE /**/
1155 * This symbol is defined if the C compiler can cast negative
1156 * or large floating point numbers to 32-bit ints.
1158 #$d_casti32 CASTI32 /**/
1161 * This symbol is defined if the C compiler can cast negative
1162 * numbers to unsigned longs, ints and shorts.
1165 * This symbol contains flags that say what difficulties the compiler
1166 * has casting odd floating values to unsigned long:
1168 * 1 = couldn't cast < 0
1169 * 2 = couldn't cast >= 0x80000000
1170 * 4 = couldn't cast in argument expression list
1172 #$d_castneg CASTNEGFLOAT /**/
1173 #define CASTFLAGS $castflags /**/
1176 * This symbol, if defined, indicates that the closedir() routine
1177 * does not return a value.
1179 #$d_void_closedir VOID_CLOSEDIR /**/
1182 * This symbol, if defined, indicates that this C compiler knows about
1183 * the const type. There is no need to actually test for that symbol
1184 * within your programs. The mere use of the "const" keyword will
1185 * trigger the necessary tests.
1187 #$d_const HASCONST /**/
1193 * This symbol, if defined, indicates that the crypt_r routine
1194 * is available to crypt re-entrantly.
1197 * This symbol encodes the prototype of crypt_r.
1198 * It is zero if d_crypt_r is undef, and one of the
1199 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_crypt_r
1202 #$d_crypt_r HAS_CRYPT_R /**/
1203 #define CRYPT_R_PROTO $crypt_r_proto /**/
1206 * This symbol, if defined, indicates that the C-shell exists.
1209 * This symbol, if defined, contains the full pathname of csh.
1211 #$d_csh HAS_CSH /**/
1213 #define CSH "$full_csh" /**/
1217 * This symbol, if defined, indicates that the ctermid_r routine
1218 * is available to ctermid re-entrantly.
1221 * This symbol encodes the prototype of ctermid_r.
1222 * It is zero if d_ctermid_r is undef, and one of the
1223 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctermid_r
1226 #$d_ctermid_r HAS_CTERMID_R /**/
1227 #define CTERMID_R_PROTO $ctermid_r_proto /**/
1230 * This symbol, if defined, indicates that the ctime_r routine
1231 * is available to ctime re-entrantly.
1234 * This symbol encodes the prototype of ctime_r.
1235 * It is zero if d_ctime_r is undef, and one of the
1236 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_ctime_r
1239 #$d_ctime_r HAS_CTIME_R /**/
1240 #define CTIME_R_PROTO $ctime_r_proto /**/
1243 * This symbol, if defined, indicates that the dladdr() routine is
1244 * available to query dynamic linker information for an address.
1245 * The <dlfcn.h> header must be included to use this routine.
1247 #$d_dladdr HAS_DLADDR /**/
1249 /* SETUID_SCRIPTS_ARE_SECURE_NOW:
1250 * This symbol, if defined, indicates that the bug that prevents
1251 * setuid scripts from being secure is not present in this kernel.
1254 * This symbol, if defined, indicates that the C program should
1255 * check the script that it is executing for setuid/setgid bits, and
1256 * attempt to emulate setuid/setgid on systems that have disabled
1257 * setuid #! scripts because the kernel can't do it securely.
1258 * It is up to the package designer to make sure that this emulation
1259 * is done securely. Among other things, it should do an fstat on
1260 * the script it just opened to make sure it really is a setuid/setgid
1261 * script, it should make sure the arguments passed correspond exactly
1262 * to the argument on the #! line, and it should not trust any
1263 * subprocesses to which it must pass the filename rather than the
1264 * file descriptor of the script to be executed.
1266 #$d_suidsafe SETUID_SCRIPTS_ARE_SECURE_NOW /**/
1267 #$d_dosuid DOSUID /**/
1270 * This symbol, if defined, indicates that the drand48_r routine
1271 * is available to drand48 re-entrantly.
1274 * This symbol encodes the prototype of drand48_r.
1275 * It is zero if d_drand48_r is undef, and one of the
1276 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_drand48_r
1279 #$d_drand48_r HAS_DRAND48_R /**/
1280 #define DRAND48_R_PROTO $drand48_r_proto /**/
1282 /* HAS_DRAND48_PROTO:
1283 * This symbol, if defined, indicates that the system provides
1284 * a prototype for the drand48() function. Otherwise, it is up
1285 * to the program to supply one. A good guess is
1286 * extern double drand48(void);
1288 #$d_drand48proto HAS_DRAND48_PROTO /**/
1291 * This symbol, if defined, indicates that the eaccess routine is
1292 * available to do extended access checks.
1294 #$d_eaccess HAS_EACCESS /**/
1297 * This symbol, if defined, indicates that the getgrent routine is
1298 * available for finalizing sequential access of the group database.
1300 #$d_endgrent HAS_ENDGRENT /**/
1303 * This symbol, if defined, indicates that the endgrent_r routine
1304 * is available to endgrent re-entrantly.
1306 /* ENDGRENT_R_PROTO:
1307 * This symbol encodes the prototype of endgrent_r.
1308 * It is zero if d_endgrent_r is undef, and one of the
1309 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endgrent_r
1312 #$d_endgrent_r HAS_ENDGRENT_R /**/
1313 #define ENDGRENT_R_PROTO $endgrent_r_proto /**/
1316 * This symbol, if defined, indicates that the endhostent() routine is
1317 * available to close whatever was being used for host queries.
1319 #$d_endhent HAS_ENDHOSTENT /**/
1321 /* HAS_ENDHOSTENT_R:
1322 * This symbol, if defined, indicates that the endhostent_r routine
1323 * is available to endhostent re-entrantly.
1325 /* ENDHOSTENT_R_PROTO:
1326 * This symbol encodes the prototype of endhostent_r.
1327 * It is zero if d_endhostent_r is undef, and one of the
1328 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endhostent_r
1331 #$d_endhostent_r HAS_ENDHOSTENT_R /**/
1332 #define ENDHOSTENT_R_PROTO $endhostent_r_proto /**/
1335 * This symbol, if defined, indicates that the endnetent() routine is
1336 * available to close whatever was being used for network queries.
1338 #$d_endnent HAS_ENDNETENT /**/
1341 * This symbol, if defined, indicates that the endnetent_r routine
1342 * is available to endnetent re-entrantly.
1344 /* ENDNETENT_R_PROTO:
1345 * This symbol encodes the prototype of endnetent_r.
1346 * It is zero if d_endnetent_r is undef, and one of the
1347 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endnetent_r
1350 #$d_endnetent_r HAS_ENDNETENT_R /**/
1351 #define ENDNETENT_R_PROTO $endnetent_r_proto /**/
1354 * This symbol, if defined, indicates that the endprotoent() routine is
1355 * available to close whatever was being used for protocol queries.
1357 #$d_endpent HAS_ENDPROTOENT /**/
1359 /* HAS_ENDPROTOENT_R:
1360 * This symbol, if defined, indicates that the endprotoent_r routine
1361 * is available to endprotoent re-entrantly.
1363 /* ENDPROTOENT_R_PROTO:
1364 * This symbol encodes the prototype of endprotoent_r.
1365 * It is zero if d_endprotoent_r is undef, and one of the
1366 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endprotoent_r
1369 #$d_endprotoent_r HAS_ENDPROTOENT_R /**/
1370 #define ENDPROTOENT_R_PROTO $endprotoent_r_proto /**/
1373 * This symbol, if defined, indicates that the getgrent routine is
1374 * available for finalizing sequential access of the passwd database.
1376 #$d_endpwent HAS_ENDPWENT /**/
1379 * This symbol, if defined, indicates that the endpwent_r routine
1380 * is available to endpwent re-entrantly.
1382 /* ENDPWENT_R_PROTO:
1383 * This symbol encodes the prototype of endpwent_r.
1384 * It is zero if d_endpwent_r is undef, and one of the
1385 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endpwent_r
1388 #$d_endpwent_r HAS_ENDPWENT_R /**/
1389 #define ENDPWENT_R_PROTO $endpwent_r_proto /**/
1392 * This symbol, if defined, indicates that the endservent() routine is
1393 * available to close whatever was being used for service queries.
1395 #$d_endsent HAS_ENDSERVENT /**/
1397 /* HAS_ENDSERVENT_R:
1398 * This symbol, if defined, indicates that the endservent_r routine
1399 * is available to endservent re-entrantly.
1401 /* ENDSERVENT_R_PROTO:
1402 * This symbol encodes the prototype of endservent_r.
1403 * It is zero if d_endservent_r is undef, and one of the
1404 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_endservent_r
1407 #$d_endservent_r HAS_ENDSERVENT_R /**/
1408 #define ENDSERVENT_R_PROTO $endservent_r_proto /**/
1411 * This symbol, when defined, indicates presence of the fd_set typedef
1414 #$d_fd_set HAS_FD_SET /**/
1417 * This symbol, if defined, indicates that the system supports filenames
1418 * longer than 14 characters.
1420 #$d_flexfnam FLEXFILENAMES /**/
1423 * This preprocessor macro is defined to convert a floating point
1424 * number to a string without a trailing decimal point. This
1425 * emulates the behavior of sprintf("%g"), but is sometimes much more
1426 * efficient. If gconvert() is not available, but gcvt() drops the
1427 * trailing decimal point, then gcvt() is used. If all else fails,
1428 * a macro using sprintf("%g") is used. Arguments for the Gconvert
1429 * macro are: value, number of digits, whether trailing zeros should
1430 * be retained, and the output buffer.
1431 * The usual values are:
1432 * d_Gconvert='gconvert((x),(n),(t),(b))'
1433 * d_Gconvert='gcvt((x),(n),(b))'
1434 * d_Gconvert='sprintf((b),"%.*g",(n),(x))'
1435 * The last two assume trailing zeros should not be kept.
1437 #define Gconvert(x,n,t,b) $d_Gconvert
1440 * This symbol, if defined, indicates that the getgrent routine is
1441 * available for sequential access of the group database.
1443 #$d_getgrent HAS_GETGRENT /**/
1446 * This symbol, if defined, indicates that the getgrent_r routine
1447 * is available to getgrent re-entrantly.
1449 /* GETGRENT_R_PROTO:
1450 * This symbol encodes the prototype of getgrent_r.
1451 * It is zero if d_getgrent_r is undef, and one of the
1452 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrent_r
1455 #$d_getgrent_r HAS_GETGRENT_R /**/
1456 #define GETGRENT_R_PROTO $getgrent_r_proto /**/
1459 * This symbol, if defined, indicates that the getgrgid_r routine
1460 * is available to getgrgid re-entrantly.
1462 /* GETGRGID_R_PROTO:
1463 * This symbol encodes the prototype of getgrgid_r.
1464 * It is zero if d_getgrgid_r is undef, and one of the
1465 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrgid_r
1468 #$d_getgrgid_r HAS_GETGRGID_R /**/
1469 #define GETGRGID_R_PROTO $getgrgid_r_proto /**/
1472 * This symbol, if defined, indicates that the getgrnam_r routine
1473 * is available to getgrnam re-entrantly.
1475 /* GETGRNAM_R_PROTO:
1476 * This symbol encodes the prototype of getgrnam_r.
1477 * It is zero if d_getgrnam_r is undef, and one of the
1478 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getgrnam_r
1481 #$d_getgrnam_r HAS_GETGRNAM_R /**/
1482 #define GETGRNAM_R_PROTO $getgrnam_r_proto /**/
1484 /* HAS_GETHOSTBYADDR:
1485 * This symbol, if defined, indicates that the gethostbyaddr() routine is
1486 * available to look up hosts by their IP addresses.
1488 #$d_gethbyaddr HAS_GETHOSTBYADDR /**/
1490 /* HAS_GETHOSTBYNAME:
1491 * This symbol, if defined, indicates that the gethostbyname() routine is
1492 * available to look up host names in some data base or other.
1494 #$d_gethbyname HAS_GETHOSTBYNAME /**/
1497 * This symbol, if defined, indicates that the gethostent() routine is
1498 * available to look up host names in some data base or another.
1500 #$d_gethent HAS_GETHOSTENT /**/
1503 * This symbol, if defined, indicates that the C program may use the
1504 * gethostname() routine to derive the host name. See also HAS_UNAME
1508 * This symbol, if defined, indicates that the C program may use the
1509 * uname() routine to derive the host name. See also HAS_GETHOSTNAME
1513 * This symbol, if defined, indicates the command to feed to the
1514 * popen() routine to derive the host name. See also HAS_GETHOSTNAME
1515 * and HAS_UNAME. Note that the command uses a fully qualified path,
1516 * so that it is safe even if used by a process with super-user
1520 * This symbol, if defined, indicates that the C program may use the
1521 * contents of PHOSTNAME as a command to feed to the popen() routine
1522 * to derive the host name.
1524 #$d_gethname HAS_GETHOSTNAME /**/
1525 #$d_uname HAS_UNAME /**/
1526 #$d_phostname HAS_PHOSTNAME /**/
1527 #ifdef HAS_PHOSTNAME
1528 #define PHOSTNAME "$aphostname" /* How to get the host name */
1531 /* HAS_GETHOSTBYADDR_R:
1532 * This symbol, if defined, indicates that the gethostbyaddr_r routine
1533 * is available to gethostbyaddr re-entrantly.
1535 /* GETHOSTBYADDR_R_PROTO:
1536 * This symbol encodes the prototype of gethostbyaddr_r.
1537 * It is zero if d_gethostbyaddr_r is undef, and one of the
1538 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyaddr_r
1541 #$d_gethostbyaddr_r HAS_GETHOSTBYADDR_R /**/
1542 #define GETHOSTBYADDR_R_PROTO $gethostbyaddr_r_proto /**/
1544 /* HAS_GETHOSTBYNAME_R:
1545 * This symbol, if defined, indicates that the gethostbyname_r routine
1546 * is available to gethostbyname re-entrantly.
1548 /* GETHOSTBYNAME_R_PROTO:
1549 * This symbol encodes the prototype of gethostbyname_r.
1550 * It is zero if d_gethostbyname_r is undef, and one of the
1551 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostbyname_r
1554 #$d_gethostbyname_r HAS_GETHOSTBYNAME_R /**/
1555 #define GETHOSTBYNAME_R_PROTO $gethostbyname_r_proto /**/
1557 /* HAS_GETHOSTENT_R:
1558 * This symbol, if defined, indicates that the gethostent_r routine
1559 * is available to gethostent re-entrantly.
1561 /* GETHOSTENT_R_PROTO:
1562 * This symbol encodes the prototype of gethostent_r.
1563 * It is zero if d_gethostent_r is undef, and one of the
1564 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gethostent_r
1567 #$d_gethostent_r HAS_GETHOSTENT_R /**/
1568 #define GETHOSTENT_R_PROTO $gethostent_r_proto /**/
1570 /* HAS_GETHOST_PROTOS:
1571 * This symbol, if defined, indicates that <netdb.h> includes
1572 * prototypes for gethostent(), gethostbyname(), and
1573 * gethostbyaddr(). Otherwise, it is up to the program to guess
1574 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
1576 #$d_gethostprotos HAS_GETHOST_PROTOS /**/
1579 * This symbol, if defined, indicates that the getlogin_r routine
1580 * is available to getlogin re-entrantly.
1582 /* GETLOGIN_R_PROTO:
1583 * This symbol encodes the prototype of getlogin_r.
1584 * It is zero if d_getlogin_r is undef, and one of the
1585 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getlogin_r
1588 #$d_getlogin_r HAS_GETLOGIN_R /**/
1589 #define GETLOGIN_R_PROTO $getlogin_r_proto /**/
1591 /* HAS_GETNETBYADDR:
1592 * This symbol, if defined, indicates that the getnetbyaddr() routine is
1593 * available to look up networks by their IP addresses.
1595 #$d_getnbyaddr HAS_GETNETBYADDR /**/
1597 /* HAS_GETNETBYNAME:
1598 * This symbol, if defined, indicates that the getnetbyname() routine is
1599 * available to look up networks by their names.
1601 #$d_getnbyname HAS_GETNETBYNAME /**/
1604 * This symbol, if defined, indicates that the getnetent() routine is
1605 * available to look up network names in some data base or another.
1607 #$d_getnent HAS_GETNETENT /**/
1609 /* HAS_GETNETBYADDR_R:
1610 * This symbol, if defined, indicates that the getnetbyaddr_r routine
1611 * is available to getnetbyaddr re-entrantly.
1613 /* GETNETBYADDR_R_PROTO:
1614 * This symbol encodes the prototype of getnetbyaddr_r.
1615 * It is zero if d_getnetbyaddr_r is undef, and one of the
1616 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyaddr_r
1619 #$d_getnetbyaddr_r HAS_GETNETBYADDR_R /**/
1620 #define GETNETBYADDR_R_PROTO $getnetbyaddr_r_proto /**/
1622 /* HAS_GETNETBYNAME_R:
1623 * This symbol, if defined, indicates that the getnetbyname_r routine
1624 * is available to getnetbyname re-entrantly.
1626 /* GETNETBYNAME_R_PROTO:
1627 * This symbol encodes the prototype of getnetbyname_r.
1628 * It is zero if d_getnetbyname_r is undef, and one of the
1629 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetbyname_r
1632 #$d_getnetbyname_r HAS_GETNETBYNAME_R /**/
1633 #define GETNETBYNAME_R_PROTO $getnetbyname_r_proto /**/
1636 * This symbol, if defined, indicates that the getnetent_r routine
1637 * is available to getnetent re-entrantly.
1639 /* GETNETENT_R_PROTO:
1640 * This symbol encodes the prototype of getnetent_r.
1641 * It is zero if d_getnetent_r is undef, and one of the
1642 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getnetent_r
1645 #$d_getnetent_r HAS_GETNETENT_R /**/
1646 #define GETNETENT_R_PROTO $getnetent_r_proto /**/
1648 /* HAS_GETNET_PROTOS:
1649 * This symbol, if defined, indicates that <netdb.h> includes
1650 * prototypes for getnetent(), getnetbyname(), and
1651 * getnetbyaddr(). Otherwise, it is up to the program to guess
1652 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
1654 #$d_getnetprotos HAS_GETNET_PROTOS /**/
1657 * This symbol, if defined, indicates that the getpagesize system call
1658 * is available to get system page size, which is the granularity of
1659 * many memory management calls.
1661 #$d_getpagsz HAS_GETPAGESIZE /**/
1664 * This symbol, if defined, indicates that the getprotoent() routine is
1665 * available to look up protocols in some data base or another.
1667 #$d_getpent HAS_GETPROTOENT /**/
1670 * This symbol, if defined, indicates that the getpgrp routine is
1671 * available to get the current process group.
1674 * This symbol, if defined, indicates that getpgrp needs one
1675 * arguments whereas USG one needs none.
1677 #$d_getpgrp HAS_GETPGRP /**/
1678 #$d_bsdgetpgrp USE_BSD_GETPGRP /**/
1680 /* HAS_GETPROTOBYNAME:
1681 * This symbol, if defined, indicates that the getprotobyname()
1682 * routine is available to look up protocols by their name.
1684 /* HAS_GETPROTOBYNUMBER:
1685 * This symbol, if defined, indicates that the getprotobynumber()
1686 * routine is available to look up protocols by their number.
1688 #$d_getpbyname HAS_GETPROTOBYNAME /**/
1689 #$d_getpbynumber HAS_GETPROTOBYNUMBER /**/
1691 /* HAS_GETPROTOBYNAME_R:
1692 * This symbol, if defined, indicates that the getprotobyname_r routine
1693 * is available to getprotobyname re-entrantly.
1695 /* GETPROTOBYNAME_R_PROTO:
1696 * This symbol encodes the prototype of getprotobyname_r.
1697 * It is zero if d_getprotobyname_r is undef, and one of the
1698 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobyname_r
1701 #$d_getprotobyname_r HAS_GETPROTOBYNAME_R /**/
1702 #define GETPROTOBYNAME_R_PROTO $getprotobyname_r_proto /**/
1704 /* HAS_GETPROTOBYNUMBER_R:
1705 * This symbol, if defined, indicates that the getprotobynumber_r routine
1706 * is available to getprotobynumber re-entrantly.
1708 /* GETPROTOBYNUMBER_R_PROTO:
1709 * This symbol encodes the prototype of getprotobynumber_r.
1710 * It is zero if d_getprotobynumber_r is undef, and one of the
1711 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotobynumber_r
1714 #$d_getprotobynumber_r HAS_GETPROTOBYNUMBER_R /**/
1715 #define GETPROTOBYNUMBER_R_PROTO $getprotobynumber_r_proto /**/
1717 /* HAS_GETPROTOENT_R:
1718 * This symbol, if defined, indicates that the getprotoent_r routine
1719 * is available to getprotoent re-entrantly.
1721 /* GETPROTOENT_R_PROTO:
1722 * This symbol encodes the prototype of getprotoent_r.
1723 * It is zero if d_getprotoent_r is undef, and one of the
1724 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getprotoent_r
1727 #$d_getprotoent_r HAS_GETPROTOENT_R /**/
1728 #define GETPROTOENT_R_PROTO $getprotoent_r_proto /**/
1730 /* HAS_GETPROTO_PROTOS:
1731 * This symbol, if defined, indicates that <netdb.h> includes
1732 * prototypes for getprotoent(), getprotobyname(), and
1733 * getprotobyaddr(). Otherwise, it is up to the program to guess
1734 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
1736 #$d_getprotoprotos HAS_GETPROTO_PROTOS /**/
1739 * This symbol, if defined, indicates that the getpwent routine is
1740 * available for sequential access of the passwd database.
1741 * If this is not available, the older getpw() function may be available.
1743 #$d_getpwent HAS_GETPWENT /**/
1746 * This symbol, if defined, indicates that the getpwent_r routine
1747 * is available to getpwent re-entrantly.
1749 /* GETPWENT_R_PROTO:
1750 * This symbol encodes the prototype of getpwent_r.
1751 * It is zero if d_getpwent_r is undef, and one of the
1752 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwent_r
1755 #$d_getpwent_r HAS_GETPWENT_R /**/
1756 #define GETPWENT_R_PROTO $getpwent_r_proto /**/
1759 * This symbol, if defined, indicates that the getpwnam_r routine
1760 * is available to getpwnam re-entrantly.
1762 /* GETPWNAM_R_PROTO:
1763 * This symbol encodes the prototype of getpwnam_r.
1764 * It is zero if d_getpwnam_r is undef, and one of the
1765 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwnam_r
1768 #$d_getpwnam_r HAS_GETPWNAM_R /**/
1769 #define GETPWNAM_R_PROTO $getpwnam_r_proto /**/
1772 * This symbol, if defined, indicates that the getpwuid_r routine
1773 * is available to getpwuid re-entrantly.
1775 /* GETPWUID_R_PROTO:
1776 * This symbol encodes the prototype of getpwuid_r.
1777 * It is zero if d_getpwuid_r is undef, and one of the
1778 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getpwuid_r
1781 #$d_getpwuid_r HAS_GETPWUID_R /**/
1782 #define GETPWUID_R_PROTO $getpwuid_r_proto /**/
1785 * This symbol, if defined, indicates that the getservent() routine is
1786 * available to look up network services in some data base or another.
1788 #$d_getsent HAS_GETSERVENT /**/
1790 /* HAS_GETSERVBYNAME_R:
1791 * This symbol, if defined, indicates that the getservbyname_r routine
1792 * is available to getservbyname re-entrantly.
1794 /* GETSERVBYNAME_R_PROTO:
1795 * This symbol encodes the prototype of getservbyname_r.
1796 * It is zero if d_getservbyname_r is undef, and one of the
1797 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyname_r
1800 #$d_getservbyname_r HAS_GETSERVBYNAME_R /**/
1801 #define GETSERVBYNAME_R_PROTO $getservbyname_r_proto /**/
1803 /* HAS_GETSERVBYPORT_R:
1804 * This symbol, if defined, indicates that the getservbyport_r routine
1805 * is available to getservbyport re-entrantly.
1807 /* GETSERVBYPORT_R_PROTO:
1808 * This symbol encodes the prototype of getservbyport_r.
1809 * It is zero if d_getservbyport_r is undef, and one of the
1810 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservbyport_r
1813 #$d_getservbyport_r HAS_GETSERVBYPORT_R /**/
1814 #define GETSERVBYPORT_R_PROTO $getservbyport_r_proto /**/
1816 /* HAS_GETSERVENT_R:
1817 * This symbol, if defined, indicates that the getservent_r routine
1818 * is available to getservent re-entrantly.
1820 /* GETSERVENT_R_PROTO:
1821 * This symbol encodes the prototype of getservent_r.
1822 * It is zero if d_getservent_r is undef, and one of the
1823 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getservent_r
1826 #$d_getservent_r HAS_GETSERVENT_R /**/
1827 #define GETSERVENT_R_PROTO $getservent_r_proto /**/
1829 /* HAS_GETSERV_PROTOS:
1830 * This symbol, if defined, indicates that <netdb.h> includes
1831 * prototypes for getservent(), getservbyname(), and
1832 * getservbyaddr(). Otherwise, it is up to the program to guess
1833 * them. See netdbtype.U for probing for various Netdb_xxx_t types.
1835 #$d_getservprotos HAS_GETSERV_PROTOS /**/
1838 * This symbol, if defined, indicates that the getspnam_r routine
1839 * is available to getspnam re-entrantly.
1841 /* GETSPNAM_R_PROTO:
1842 * This symbol encodes the prototype of getspnam_r.
1843 * It is zero if d_getspnam_r is undef, and one of the
1844 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_getspnam_r
1847 #$d_getspnam_r HAS_GETSPNAM_R /**/
1848 #define GETSPNAM_R_PROTO $getspnam_r_proto /**/
1850 /* HAS_GETSERVBYNAME:
1851 * This symbol, if defined, indicates that the getservbyname()
1852 * routine is available to look up services by their name.
1854 /* HAS_GETSERVBYPORT:
1855 * This symbol, if defined, indicates that the getservbyport()
1856 * routine is available to look up services by their port.
1858 #$d_getsbyname HAS_GETSERVBYNAME /**/
1859 #$d_getsbyport HAS_GETSERVBYPORT /**/
1862 * This symbol, if defined, indicates that the gmtime_r routine
1863 * is available to gmtime re-entrantly.
1866 * This symbol encodes the prototype of gmtime_r.
1867 * It is zero if d_gmtime_r is undef, and one of the
1868 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_gmtime_r
1871 #$d_gmtime_r HAS_GMTIME_R /**/
1872 #define GMTIME_R_PROTO $gmtime_r_proto /**/
1875 * This symbol, if defined, indicates to the C program that
1876 * the GNU C library is being used. A better check is to use
1877 * the __GLIBC__ and __GLIBC_MINOR__ symbols supplied with glibc.
1879 #$d_gnulibc HAS_GNULIBC /**/
1880 #if defined(HAS_GNULIBC) && !defined(_GNU_SOURCE)
1881 # define _GNU_SOURCE
1885 * This symbol, if defined, indicates that the htonl() routine (and
1886 * friends htons() ntohl() ntohs()) are available to do network
1887 * order byte swapping.
1890 * This symbol, if defined, indicates that the htons() routine (and
1891 * friends htonl() ntohl() ntohs()) are available to do network
1892 * order byte swapping.
1895 * This symbol, if defined, indicates that the ntohl() routine (and
1896 * friends htonl() htons() ntohs()) are available to do network
1897 * order byte swapping.
1900 * This symbol, if defined, indicates that the ntohs() routine (and
1901 * friends htonl() htons() ntohl()) are available to do network
1902 * order byte swapping.
1904 #$d_htonl HAS_HTONL /**/
1905 #$d_htonl HAS_HTONS /**/
1906 #$d_htonl HAS_NTOHL /**/
1907 #$d_htonl HAS_NTOHS /**/
1910 * This manifest constant lets the C program know that isascii
1913 #$d_isascii HAS_ISASCII /**/
1916 * This symbol, if defined, indicates that the lchown routine is
1917 * available to operate on a symbolic link (instead of following the
1920 #$d_lchown HAS_LCHOWN /**/
1923 * This symbol, if defined, indicates that the localtime_r routine
1924 * is available to localtime re-entrantly.
1926 /* LOCALTIME_R_NEEDS_TZSET:
1927 * Many libc's localtime_r implementations do not call tzset,
1928 * making them differ from localtime(), and making timezone
1929 * changes using \$ENV{TZ} without explicitly calling tzset
1930 * impossible. This symbol makes us call tzset before localtime_r
1932 #$d_localtime_r_needs_tzset LOCALTIME_R_NEEDS_TZSET /**/
1933 #ifdef LOCALTIME_R_NEEDS_TZSET
1934 #define L_R_TZSET tzset(),
1939 /* LOCALTIME_R_PROTO:
1940 * This symbol encodes the prototype of localtime_r.
1941 * It is zero if d_localtime_r is undef, and one of the
1942 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_localtime_r
1945 #$d_localtime_r HAS_LOCALTIME_R /**/
1946 #define LOCALTIME_R_PROTO $localtime_r_proto /**/
1949 * This symbol will be defined if the C compiler supports long
1953 * This symbol contains the size of a long double, so that the
1954 * C preprocessor can make decisions based on it. It is only
1955 * defined if the system supports long doubles. Note that this
1956 * is sizeof(long double), which may include unused bytes.
1959 * This symbol, if defined, indicates that the ldexpl routine is
1960 * available to shift a long double floating-point number
1961 * by an integral power of 2.
1964 * LONG_DOUBLEKIND will be one of
1965 * LONG_DOUBLE_IS_DOUBLE
1966 * LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
1967 * LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
1968 * LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
1969 * LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
1970 * LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN
1971 * LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
1972 * LONG_DOUBLE_IS_UNKNOWN_FORMAT
1973 * It is only defined if the system supports long doubles.
1975 #$d_ldexpl HAS_LDEXPL /**/
1976 #$d_longdbl HAS_LONG_DOUBLE /**/
1977 #ifdef HAS_LONG_DOUBLE
1978 #define LONG_DOUBLESIZE $longdblsize /**/
1979 #define LONG_DOUBLEKIND $longdblkind /**/
1980 #define LONG_DOUBLE_IS_DOUBLE 0
1981 #define LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 1
1982 #define LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 2
1983 #define LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN 3
1984 #define LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN 4
1985 #define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN 5
1986 #define LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN 6
1987 #define LONG_DOUBLE_IS_UNKNOWN_FORMAT -1
1991 * This symbol will be defined if the C compiler supports long long.
1994 * This symbol contains the size of a long long, so that the
1995 * C preprocessor can make decisions based on it. It is only
1996 * defined if the system supports long long.
1998 #$d_longlong HAS_LONG_LONG /**/
1999 #ifdef HAS_LONG_LONG
2000 #define LONGLONGSIZE $longlongsize /**/
2004 * This symbol, if defined, indicates that the system provides
2005 * a prototype for the lseek() function. Otherwise, it is up
2006 * to the program to supply one. A good guess is
2007 * extern off_t lseek(int, off_t, int);
2009 #$d_lseekproto HAS_LSEEK_PROTO /**/
2012 * This symbol, if defined, indicates that the memchr routine is available
2013 * to locate characters within a C string.
2015 #$d_memchr HAS_MEMCHR /**/
2018 * This symbol, if defined, indicates that the mkstemp routine is
2019 * available to exclusively create and open a uniquely named
2022 #$d_mkstemp HAS_MKSTEMP /**/
2025 * This symbol, if defined, indicates that the mmap system call is
2026 * available to map a file into memory.
2029 * This symbol holds the return type of the mmap() system call
2030 * (and simultaneously the type of the first argument).
2031 * Usually set to 'void *' or 'caddr_t'.
2033 #$d_mmap HAS_MMAP /**/
2034 #define Mmap_t $mmaptype /**/
2037 * This symbol, if defined, indicates that the entire msg*(2) library is
2038 * supported (IPC mechanism based on message queues).
2040 #$d_msg HAS_MSG /**/
2043 * This manifest constant lets the C program know that the three
2044 * argument form of open(2) is available.
2046 #$d_open3 HAS_OPEN3 /**/
2048 /* OLD_PTHREAD_CREATE_JOINABLE:
2049 * This symbol, if defined, indicates how to create pthread
2050 * in joinable (aka undetached) state. NOTE: not defined
2051 * if pthread.h already has defined PTHREAD_CREATE_JOINABLE
2052 * (the new version of the constant).
2053 * If defined, known values are PTHREAD_CREATE_UNDETACHED
2056 #$d_old_pthread_create_joinable OLD_PTHREAD_CREATE_JOINABLE $old_pthread_create_joinable /**/
2058 /* HAS_PTHREAD_ATFORK:
2059 * This symbol, if defined, indicates that the pthread_atfork routine
2060 * is available to setup fork handlers.
2062 #$d_pthread_atfork HAS_PTHREAD_ATFORK /**/
2064 /* HAS_PTHREAD_YIELD:
2065 * This symbol, if defined, indicates that the pthread_yield
2066 * routine is available to yield the execution of the current
2067 * thread. sched_yield is preferable to pthread_yield.
2070 * This symbol defines the way to yield the execution of
2071 * the current thread. Known ways are sched_yield,
2072 * pthread_yield, and pthread_yield with NULL.
2075 * This symbol, if defined, indicates that the sched_yield
2076 * routine is available to yield the execution of the current
2077 * thread. sched_yield is preferable to pthread_yield.
2079 #$d_pthread_yield HAS_PTHREAD_YIELD /**/
2080 #define SCHED_YIELD $sched_yield /**/
2081 #$d_sched_yield HAS_SCHED_YIELD /**/
2084 * This symbol, if defined, indicates that the random_r routine
2085 * is available to random re-entrantly.
2088 * This symbol encodes the prototype of random_r.
2089 * It is zero if d_random_r is undef, and one of the
2090 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_random_r
2093 #$d_random_r HAS_RANDOM_R /**/
2094 #define RANDOM_R_PROTO $random_r_proto /**/
2097 * This symbol, if defined, indicates that the readdir64_r routine
2098 * is available to readdir64 re-entrantly.
2100 /* READDIR64_R_PROTO:
2101 * This symbol encodes the prototype of readdir64_r.
2102 * It is zero if d_readdir64_r is undef, and one of the
2103 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir64_r
2106 #$d_readdir64_r HAS_READDIR64_R /**/
2107 #define READDIR64_R_PROTO $readdir64_r_proto /**/
2110 * This symbol, if defined, indicates that the readdir_r routine
2111 * is available to readdir re-entrantly.
2114 * This symbol encodes the prototype of readdir_r.
2115 * It is zero if d_readdir_r is undef, and one of the
2116 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_readdir_r
2119 #$d_readdir_r HAS_READDIR_R /**/
2120 #define READDIR_R_PROTO $readdir_r_proto /**/
2123 * This symbol, if defined, indicates that the bcopy routine is available
2124 * to copy potentially overlapping memory blocks. Normally, you should
2125 * probably use memmove() or memcpy(). If neither is defined, roll your
2128 #$d_safebcpy HAS_SAFE_BCOPY /**/
2131 * This symbol, if defined, indicates that the memcpy routine is available
2132 * to copy potentially overlapping memory blocks. If you need to
2133 * copy overlapping memory blocks, you should check HAS_MEMMOVE and
2134 * use memmove() instead, if available.
2136 #$d_safemcpy HAS_SAFE_MEMCPY /**/
2139 * This symbol, if defined, indicates that the memcmp routine is available
2140 * and can be used to compare relative magnitudes of chars with their high
2141 * bits set. If it is not defined, roll your own version.
2143 #$d_sanemcmp HAS_SANE_MEMCMP /**/
2146 * This symbol, if defined, indicates that the entire sem*(2) library is
2149 #$d_sem HAS_SEM /**/
2152 * This symbol, if defined, indicates that the setgrent routine is
2153 * available for initializing sequential access of the group database.
2155 #$d_setgrent HAS_SETGRENT /**/
2158 * This symbol, if defined, indicates that the setgrent_r routine
2159 * is available to setgrent re-entrantly.
2161 /* SETGRENT_R_PROTO:
2162 * This symbol encodes the prototype of setgrent_r.
2163 * It is zero if d_setgrent_r is undef, and one of the
2164 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setgrent_r
2167 #$d_setgrent_r HAS_SETGRENT_R /**/
2168 #define SETGRENT_R_PROTO $setgrent_r_proto /**/
2171 * This symbol, if defined, indicates that the sethostent() routine is
2174 #$d_sethent HAS_SETHOSTENT /**/
2176 /* HAS_SETHOSTENT_R:
2177 * This symbol, if defined, indicates that the sethostent_r routine
2178 * is available to sethostent re-entrantly.
2180 /* SETHOSTENT_R_PROTO:
2181 * This symbol encodes the prototype of sethostent_r.
2182 * It is zero if d_sethostent_r is undef, and one of the
2183 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_sethostent_r
2186 #$d_sethostent_r HAS_SETHOSTENT_R /**/
2187 #define SETHOSTENT_R_PROTO $sethostent_r_proto /**/
2190 * This symbol, if defined, indicates that the setlocale_r routine
2191 * is available to setlocale re-entrantly.
2193 /* SETLOCALE_R_PROTO:
2194 * This symbol encodes the prototype of setlocale_r.
2195 * It is zero if d_setlocale_r is undef, and one of the
2196 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setlocale_r
2199 #$d_setlocale_r HAS_SETLOCALE_R /**/
2200 #define SETLOCALE_R_PROTO $setlocale_r_proto /**/
2203 * This symbol, if defined, indicates that the setnetent() routine is
2206 #$d_setnent HAS_SETNETENT /**/
2209 * This symbol, if defined, indicates that the setnetent_r routine
2210 * is available to setnetent re-entrantly.
2212 /* SETNETENT_R_PROTO:
2213 * This symbol encodes the prototype of setnetent_r.
2214 * It is zero if d_setnetent_r is undef, and one of the
2215 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setnetent_r
2218 #$d_setnetent_r HAS_SETNETENT_R /**/
2219 #define SETNETENT_R_PROTO $setnetent_r_proto /**/
2222 * This symbol, if defined, indicates that the setprotoent() routine is
2225 #$d_setpent HAS_SETPROTOENT /**/
2228 * This symbol, if defined, indicates that the setpgrp routine is
2229 * available to set the current process group.
2232 * This symbol, if defined, indicates that setpgrp needs two
2233 * arguments whereas USG one needs none. See also HAS_SETPGID
2234 * for a POSIX interface.
2236 #$d_setpgrp HAS_SETPGRP /**/
2237 #$d_bsdsetpgrp USE_BSD_SETPGRP /**/
2239 /* HAS_SETPROTOENT_R:
2240 * This symbol, if defined, indicates that the setprotoent_r routine
2241 * is available to setprotoent re-entrantly.
2243 /* SETPROTOENT_R_PROTO:
2244 * This symbol encodes the prototype of setprotoent_r.
2245 * It is zero if d_setprotoent_r is undef, and one of the
2246 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setprotoent_r
2249 #$d_setprotoent_r HAS_SETPROTOENT_R /**/
2250 #define SETPROTOENT_R_PROTO $setprotoent_r_proto /**/
2253 * This symbol, if defined, indicates that the setpwent routine is
2254 * available for initializing sequential access of the passwd database.
2256 #$d_setpwent HAS_SETPWENT /**/
2259 * This symbol, if defined, indicates that the setpwent_r routine
2260 * is available to setpwent re-entrantly.
2262 /* SETPWENT_R_PROTO:
2263 * This symbol encodes the prototype of setpwent_r.
2264 * It is zero if d_setpwent_r is undef, and one of the
2265 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setpwent_r
2268 #$d_setpwent_r HAS_SETPWENT_R /**/
2269 #define SETPWENT_R_PROTO $setpwent_r_proto /**/
2272 * This symbol, if defined, indicates that the setservent() routine is
2275 #$d_setsent HAS_SETSERVENT /**/
2277 /* HAS_SETSERVENT_R:
2278 * This symbol, if defined, indicates that the setservent_r routine
2279 * is available to setservent re-entrantly.
2281 /* SETSERVENT_R_PROTO:
2282 * This symbol encodes the prototype of setservent_r.
2283 * It is zero if d_setservent_r is undef, and one of the
2284 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_setservent_r
2287 #$d_setservent_r HAS_SETSERVENT_R /**/
2288 #define SETSERVENT_R_PROTO $setservent_r_proto /**/
2291 * This symbol, if defined, indicates that the setvbuf routine is
2292 * available to change buffering on an open stdio stream.
2293 * to a line-buffered mode.
2295 #$d_setvbuf HAS_SETVBUF /**/
2298 * This symbol, if defined, indicates that the entire shm*(2) library is
2301 #$d_shm HAS_SHM /**/
2304 * This symbol holds the return type of the shmat() system call.
2305 * Usually set to 'void *' or 'char *'.
2307 /* HAS_SHMAT_PROTOTYPE:
2308 * This symbol, if defined, indicates that the sys/shm.h includes
2309 * a prototype for shmat(). Otherwise, it is up to the program to
2310 * guess one. Shmat_t shmat(int, Shmat_t, int) is a good guess,
2311 * but not always right so it should be emitted by the program only
2312 * when HAS_SHMAT_PROTOTYPE is not defined to avoid conflicting defs.
2314 #define Shmat_t $shmattype /**/
2315 #$d_shmatprototype HAS_SHMAT_PROTOTYPE /**/
2318 * This symbol, if defined, indicates that Vr4's sigaction() routine
2321 #$d_sigaction HAS_SIGACTION /**/
2324 * This variable indicates to the C program that the sigsetjmp()
2325 * routine is available to save the calling process's registers
2326 * and stack environment for later use by siglongjmp(), and
2327 * to optionally save the process's signal mask. See
2328 * Sigjmp_buf, Sigsetjmp, and Siglongjmp.
2331 * This is the buffer type to be used with Sigsetjmp and Siglongjmp.
2334 * This macro is used in the same way as sigsetjmp(), but will invoke
2335 * traditional setjmp() if sigsetjmp isn't available.
2336 * See HAS_SIGSETJMP.
2339 * This macro is used in the same way as siglongjmp(), but will invoke
2340 * traditional longjmp() if siglongjmp isn't available.
2341 * See HAS_SIGSETJMP.
2343 #$d_sigsetjmp HAS_SIGSETJMP /**/
2344 #ifdef HAS_SIGSETJMP
2345 #define Sigjmp_buf sigjmp_buf
2346 #define Sigsetjmp(buf,save_mask) sigsetjmp((buf),(save_mask))
2347 #define Siglongjmp(buf,retval) siglongjmp((buf),(retval))
2349 #define Sigjmp_buf jmp_buf
2350 #define Sigsetjmp(buf,save_mask) setjmp((buf))
2351 #define Siglongjmp(buf,retval) longjmp((buf),(retval))
2355 * This symbol, if defined, indicates that the BSD socket interface is
2359 * This symbol, if defined, indicates that the BSD socketpair() call is
2362 /* HAS_SOCKADDR_SA_LEN:
2363 * This symbol, if defined, indicates that the struct sockaddr
2364 * structure has a member called sa_len, indicating the length of
2367 /* HAS_SOCKADDR_IN6:
2368 * This symbol, if defined, indicates the availability of
2369 * struct sockaddr_in6;
2371 /* HAS_SIN6_SCOPE_ID:
2372 * This symbol, if defined, indicates that the struct sockaddr_in6
2373 * structure has a member called sin6_scope_id.
2376 * This symbol, if defined, indicates the availability of
2379 /* HAS_IP_MREQ_SOURCE:
2380 * This symbol, if defined, indicates the availability of
2381 * struct ip_mreq_source;
2384 * This symbol, if defined, indicates the availability of
2387 /* HAS_IPV6_MREQ_SOURCE:
2388 * This symbol, if defined, indicates the availability of
2389 * struct ipv6_mreq_source;
2391 #$d_socket HAS_SOCKET /**/
2392 #$d_sockpair HAS_SOCKETPAIR /**/
2393 #$d_sockaddr_sa_len HAS_SOCKADDR_SA_LEN /**/
2394 #$d_sockaddr_in6 HAS_SOCKADDR_IN6 /**/
2395 #$d_sin6_scope_id HAS_SIN6_SCOPE_ID /**/
2396 #$d_ip_mreq HAS_IP_MREQ /**/
2397 #$d_ip_mreq_source HAS_IP_MREQ_SOURCE /**/
2398 #$d_ipv6_mreq HAS_IPV6_MREQ /**/
2399 #$d_ipv6_mreq_source HAS_IPV6_MREQ_SOURCE /**/
2402 * This symbol, if defined, indicates that the srand48_r routine
2403 * is available to srand48 re-entrantly.
2406 * This symbol encodes the prototype of srand48_r.
2407 * It is zero if d_srand48_r is undef, and one of the
2408 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_srand48_r
2411 #$d_srand48_r HAS_SRAND48_R /**/
2412 #define SRAND48_R_PROTO $srand48_r_proto /**/
2415 * This symbol, if defined, indicates that the srandom_r routine
2416 * is available to srandom re-entrantly.
2419 * This symbol encodes the prototype of srandom_r.
2420 * It is zero if d_srandom_r is undef, and one of the
2421 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_srandom_r
2424 #$d_srandom_r HAS_SRANDOM_R /**/
2425 #define SRANDOM_R_PROTO $srandom_r_proto /**/
2428 * This symbol is defined if this system has a stat structure declaring
2429 * st_blksize and st_blocks.
2431 #ifndef USE_STAT_BLOCKS
2432 #$d_statblks USE_STAT_BLOCKS /**/
2435 /* HAS_STATIC_INLINE:
2436 * This symbol, if defined, indicates that the C compiler supports
2437 * C99-style static inline. That is, the function can't be called
2438 * from another translation unit.
2440 /* PERL_STATIC_INLINE:
2441 * This symbol gives the best-guess incantation to use for static
2442 * inline functions. If HAS_STATIC_INLINE is defined, this will
2443 * give C99-style inline. If HAS_STATIC_INLINE is not defined,
2444 * this will give a plain 'static'. It will always be defined
2445 * to something that gives static linkage.
2446 * Possibilities include
2447 * static inline (c99)
2448 * static __inline__ (gcc -ansi)
2449 * static __inline (MSVC)
2450 * static _inline (older MSVC)
2451 * static (c89 compilers)
2453 #$d_static_inline HAS_STATIC_INLINE /**/
2454 #define PERL_STATIC_INLINE $perl_static_inline /**/
2457 * This symbol is defined if the _ptr and _cnt fields (or similar)
2458 * of the stdio FILE structure can be used to access the stdio buffer
2459 * for a file handle. If this is defined, then the FILE_ptr(fp)
2460 * and FILE_cnt(fp) macros will also be defined and should be used
2461 * to access these fields.
2464 * This macro is used to access the _ptr field (or equivalent) of the
2465 * FILE structure pointed to by its argument. This macro will always be
2466 * defined if USE_STDIO_PTR is defined.
2468 /* STDIO_PTR_LVALUE:
2469 * This symbol is defined if the FILE_ptr macro can be used as an
2473 * This macro is used to access the _cnt field (or equivalent) of the
2474 * FILE structure pointed to by its argument. This macro will always be
2475 * defined if USE_STDIO_PTR is defined.
2477 /* STDIO_CNT_LVALUE:
2478 * This symbol is defined if the FILE_cnt macro can be used as an
2481 /* STDIO_PTR_LVAL_SETS_CNT:
2482 * This symbol is defined if using the FILE_ptr macro as an lvalue
2483 * to increase the pointer by n has the side effect of decreasing the
2484 * value of File_cnt(fp) by n.
2486 /* STDIO_PTR_LVAL_NOCHANGE_CNT:
2487 * This symbol is defined if using the FILE_ptr macro as an lvalue
2488 * to increase the pointer by n leaves File_cnt(fp) unchanged.
2490 #$d_stdstdio USE_STDIO_PTR /**/
2491 #ifdef USE_STDIO_PTR
2492 #define FILE_ptr(fp) $stdio_ptr
2493 #$d_stdio_ptr_lval STDIO_PTR_LVALUE /**/
2494 #define FILE_cnt(fp) $stdio_cnt
2495 #$d_stdio_cnt_lval STDIO_CNT_LVALUE /**/
2496 #$d_stdio_ptr_lval_sets_cnt STDIO_PTR_LVAL_SETS_CNT /**/
2497 #$d_stdio_ptr_lval_nochange_cnt STDIO_PTR_LVAL_NOCHANGE_CNT /**/
2501 * This symbol is defined if the _base field (or similar) of the
2502 * stdio FILE structure can be used to access the stdio buffer for
2503 * a file handle. If this is defined, then the FILE_base(fp) macro
2504 * will also be defined and should be used to access this field.
2505 * Also, the FILE_bufsiz(fp) macro will be defined and should be used
2506 * to determine the number of bytes in the buffer. USE_STDIO_BASE
2507 * will never be defined unless USE_STDIO_PTR is.
2510 * This macro is used to access the _base field (or equivalent) of the
2511 * FILE structure pointed to by its argument. This macro will always be
2512 * defined if USE_STDIO_BASE is defined.
2515 * This macro is used to determine the number of bytes in the I/O
2516 * buffer pointed to by _base field (or equivalent) of the FILE
2517 * structure pointed to its argument. This macro will always be defined
2518 * if USE_STDIO_BASE is defined.
2520 #$d_stdiobase USE_STDIO_BASE /**/
2521 #ifdef USE_STDIO_BASE
2522 #define FILE_base(fp) $stdio_base
2523 #define FILE_bufsiz(fp) $stdio_bufsiz
2527 * This symbol, if defined, indicates that this C compiler knows how
2528 * to copy structures. If undefined, you'll need to use a block copy
2529 * routine of some sort instead.
2531 #$d_strctcpy USE_STRUCT_COPY /**/
2534 * This symbol, if defined, indicates that the strerror routine is
2535 * available to translate error numbers to strings. See the writeup
2536 * of Strerror() in this file before you try to define your own.
2539 * This symbol, if defined, indicates that the sys_errlist array is
2540 * available to translate error numbers to strings. The extern int
2541 * sys_nerr gives the size of that table.
2544 * This preprocessor symbol is defined as a macro if strerror() is
2545 * not available to translate error numbers to strings but sys_errlist[]
2548 #$d_strerror HAS_STRERROR /**/
2549 #$d_syserrlst HAS_SYS_ERRLIST /**/
2550 #define Strerror(e) $d_strerrm
2553 * This symbol, if defined, indicates that the strerror_r routine
2554 * is available to strerror re-entrantly.
2556 /* STRERROR_R_PROTO:
2557 * This symbol encodes the prototype of strerror_r.
2558 * It is zero if d_strerror_r is undef, and one of the
2559 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_strerror_r
2562 #$d_strerror_r HAS_STRERROR_R /**/
2563 #define STRERROR_R_PROTO $strerror_r_proto /**/
2566 * This symbol, if defined, indicates that the strtoul routine is
2567 * available to provide conversion of strings to unsigned long.
2569 #$d_strtoul HAS_STRTOUL /**/
2572 * This symbol, if defined, indicates that the time() routine exists.
2575 * This symbol holds the type returned by time(). It can be long,
2576 * or time_t on BSD sites (in which case <sys/types.h> should be
2579 #$d_time HAS_TIME /**/
2580 #define Time_t $timetype /* Time type */
2583 * This symbol, if defined, indicates that the times() routine exists.
2584 * Note that this became obsolete on some systems (SUNOS), which now
2585 * use getrusage(). It may be necessary to include <sys/times.h>.
2587 #$d_times HAS_TIMES /**/
2590 * This symbol, if defined, indicates that the tmpnam_r routine
2591 * is available to tmpnam re-entrantly.
2594 * This symbol encodes the prototype of tmpnam_r.
2595 * It is zero if d_tmpnam_r is undef, and one of the
2596 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_tmpnam_r
2599 #$d_tmpnam_r HAS_TMPNAM_R /**/
2600 #define TMPNAM_R_PROTO $tmpnam_r_proto /**/
2603 * This symbol, if defined, indicates that the ttyname_r routine
2604 * is available to ttyname re-entrantly.
2607 * This symbol encodes the prototype of ttyname_r.
2608 * It is zero if d_ttyname_r is undef, and one of the
2609 * REENTRANT_PROTO_T_ABC macros of reentr.h if d_ttyname_r
2612 #$d_ttyname_r HAS_TTYNAME_R /**/
2613 #define TTYNAME_R_PROTO $ttyname_r_proto /**/
2616 * This symbol, if defined, indicates that the union semun is
2617 * defined by including <sys/sem.h>. If not, the user code
2618 * probably needs to define it as:
2621 * struct semid_ds *buf;
2622 * unsigned short *array;
2625 /* USE_SEMCTL_SEMUN:
2626 * This symbol, if defined, indicates that union semun is
2627 * used for semctl IPC_STAT.
2629 /* USE_SEMCTL_SEMID_DS:
2630 * This symbol, if defined, indicates that struct semid_ds * is
2631 * used for semctl IPC_STAT.
2633 #$d_union_semun HAS_UNION_SEMUN /**/
2634 #$d_semctl_semun USE_SEMCTL_SEMUN /**/
2635 #$d_semctl_semid_ds USE_SEMCTL_SEMID_DS /**/
2638 * This symbol, if defined, indicates that vfork() exists.
2640 #$d_vfork HAS_VFORK /**/
2643 * This symbol, if defined, indicates that an emulation of the
2644 * fork routine is available.
2646 #$d_pseudofork HAS_PSEUDOFORK /**/
2649 * This symbol's value is either "void" or "int", corresponding to the
2650 * appropriate return type of a signal handler. Thus, you can declare
2651 * a signal handler using "Signal_t (*handler)()", and define the
2652 * handler using "Signal_t handler(sig)".
2654 #define Signal_t $signal_t /* Signal handler's return type */
2657 * This symbol, if defined, indicates that this C compiler knows about
2658 * the volatile declaration.
2660 #$d_volatile HASVOLATILE /**/
2666 * This symbol, if defined, indicates that the vprintf routine is available
2667 * to printf with a pointer to an argument list. If unavailable, you
2668 * may need to write your own, probably in terms of _doprnt().
2670 /* USE_CHAR_VSPRINTF:
2671 * This symbol is defined if this system has vsprintf() returning type
2672 * (char*). The trend seems to be to declare it as "int vsprintf()". It
2673 * is up to the package author to declare vsprintf correctly based on the
2676 #$d_vprintf HAS_VPRINTF /**/
2677 #$d_charvspr USE_CHAR_VSPRINTF /**/
2680 * This symbol contains the size of a double, so that the C preprocessor
2681 * can make decisions based on it.
2683 #define DOUBLESIZE $doublesize /**/
2686 * This symbol, if defined, indicates that this system uses
2689 #$ebcdic EBCDIC /**/
2692 * This symbol holds the type used to declare file positions in libc.
2693 * It can be fpos_t, long, uint, etc... It may be necessary to include
2694 * <sys/types.h> to get any typedef'ed information.
2696 #define Fpos_t $fpostype /* File position type */
2699 * This symbol defines the format string used for printing a Gid_t.
2701 #define Gid_t_f $gidformat /**/
2704 * This symbol holds the signedness of a Gid_t.
2705 * 1 for unsigned, -1 for signed.
2707 #define Gid_t_sign $gidsign /* GID sign */
2710 * This symbol holds the size of a Gid_t in bytes.
2712 #define Gid_t_size $gidsize /* GID size */
2715 * This symbol holds the return type of getgid() and the type of
2716 * argument to setrgid() and related functions. Typically,
2717 * it is the type of group ids in the kernel. It can be int, ushort,
2718 * gid_t, etc... It may be necessary to include <sys/types.h> to get
2719 * any typedef'ed information.
2721 #define Gid_t $gidtype /* Type for getgid(), etc... */
2724 * This symbol, if defined, indicates to the C program that it should
2725 * include <dirent.h>. Using this symbol also triggers the definition
2726 * of the Direntry_t define which ends up being 'struct dirent' or
2727 * 'struct direct' depending on the availability of <dirent.h>.
2730 * This symbol, if defined, indicates to the C program that the length
2731 * of directory entry names is provided by a d_namlen field. Otherwise
2732 * you need to do strlen() on the d_name field.
2735 * This symbol is set to 'struct direct' or 'struct dirent' depending on
2736 * whether dirent is available or not. You should use this pseudo type to
2737 * portably declare your directory entries.
2739 #$i_dirent I_DIRENT /**/
2740 #$d_dirnamlen DIRNAMLEN /**/
2741 #define Direntry_t $direntrytype
2744 * This symbol, if defined, indicates to the C program that it should
2745 * include <execinfo.h> for backtrace() support.
2747 #$i_execinfo I_EXECINFO /**/
2750 * This symbol, if defined, indicates to the C program that it should
2754 * This symbol, if defined, indicates to the C program that struct group
2755 * in <grp.h> contains gr_passwd.
2758 #$d_grpasswd GRPASSWD /**/
2761 * This symbol, if defined, indicates to the C program that it should
2762 * include <mach/cthreads.h>.
2764 #$i_machcthr I_MACH_CTHREADS /**/
2767 * This symbol, if defined, indicates that <ndbm.h> exists and should
2771 * This symbol, if defined, indicates that <gdbm/ndbm.h> exists and should
2772 * be included. This was the location of the ndbm.h compatibility file
2776 * This symbol, if defined, indicates that <gdbm-ndbm.h> exists and should
2777 * be included. This is the location of the ndbm.h compatibility file
2780 /* NDBM_H_USES_PROTOTYPES:
2781 * This symbol, if defined, indicates that <ndbm.h> uses real ANSI C
2782 * prototypes instead of K&R style function declarations without any
2783 * parameter information. While ANSI C prototypes are supported in C++,
2784 * K&R style function declarations will yield errors.
2786 /* GDBMNDBM_H_USES_PROTOTYPES:
2787 * This symbol, if defined, indicates that <gdbm/ndbm.h> uses real ANSI C
2788 * prototypes instead of K&R style function declarations without any
2789 * parameter information. While ANSI C prototypes are supported in C++,
2790 * K&R style function declarations will yield errors.
2792 /* GDBM_NDBM_H_USES_PROTOTYPES:
2793 * This symbol, if defined, indicates that <gdbm-ndbm.h> uses real ANSI C
2794 * prototypes instead of K&R style function declarations without any
2795 * parameter information. While ANSI C prototypes are supported in C++,
2796 * K&R style function declarations will yield errors.
2798 #$i_ndbm I_NDBM /**/
2799 #$i_gdbmndbm I_GDBMNDBM /**/
2800 #$i_gdbm_ndbm I_GDBM_NDBM /**/
2801 #$d_ndbm_h_uses_prototypes NDBM_H_USES_PROTOTYPES /**/
2802 #$d_gdbmndbm_h_uses_prototypes GDBMNDBM_H_USES_PROTOTYPES /**/
2803 #$d_gdbm_ndbm_h_uses_prototypes GDBM_NDBM_H_USES_PROTOTYPES /**/
2806 * This symbol, if defined, indicates that <netdb.h> exists and
2807 * should be included.
2809 #$i_netdb I_NETDB /**/
2812 * This symbol, if defined, indicates that <net/errno.h> exists and
2813 * should be included.
2815 #$i_neterrno I_NET_ERRNO /**/
2818 * This symbol, if defined, indicates to the C program that it should
2819 * include <pthread.h>.
2821 #$i_pthread I_PTHREAD /**/
2824 * This symbol, if defined, indicates to the C program that it should
2828 * This symbol, if defined, indicates to the C program that struct passwd
2829 * contains pw_quota.
2832 * This symbol, if defined, indicates to the C program that struct passwd
2836 * This symbol, if defined, indicates to the C program that struct passwd
2837 * contains pw_change.
2840 * This symbol, if defined, indicates to the C program that struct passwd
2841 * contains pw_class.
2844 * This symbol, if defined, indicates to the C program that struct passwd
2845 * contains pw_expire.
2848 * This symbol, if defined, indicates to the C program that struct passwd
2849 * contains pw_comment.
2852 * This symbol, if defined, indicates to the C program that struct passwd
2853 * contains pw_gecos.
2856 * This symbol, if defined, indicates to the C program that struct passwd
2857 * contains pw_passwd.
2860 #$d_pwquota PWQUOTA /**/
2861 #$d_pwage PWAGE /**/
2862 #$d_pwchange PWCHANGE /**/
2863 #$d_pwclass PWCLASS /**/
2864 #$d_pwexpire PWEXPIRE /**/
2865 #$d_pwcomment PWCOMMENT /**/
2866 #$d_pwgecos PWGECOS /**/
2867 #$d_pwpasswd PWPASSWD /**/
2870 * This symbol, if defined, indicates to the C program that it should
2871 * include <sys/access.h>.
2873 #$i_sysaccess I_SYS_ACCESS /**/
2876 * This symbol, if defined, indicates to the C program that it should
2877 * include <sys/security.h>.
2879 #$i_syssecrt I_SYS_SECURITY /**/
2882 * This symbol, if defined, indicates that <sys/uio.h> exists and
2883 * should be included.
2885 #$i_sysuio I_SYSUIO /**/
2888 * This symbol, if defined, indicates that the program should include
2889 * <termio.h> rather than <sgtty.h>. There are also differences in
2890 * the ioctl() calls that depend on the value of this symbol.
2893 * This symbol, if defined, indicates that the program should include
2894 * the POSIX termios.h rather than sgtty.h or termio.h.
2895 * There are also differences in the ioctl() calls that depend on the
2896 * value of this symbol.
2899 * This symbol, if defined, indicates that the program should include
2900 * <sgtty.h> rather than <termio.h>. There are also differences in
2901 * the ioctl() calls that depend on the value of this symbol.
2903 #$i_termio I_TERMIO /**/
2904 #$i_termios I_TERMIOS /**/
2905 #$i_sgtty I_SGTTY /**/
2908 * This symbol, if defined, indicates to the C program that it should
2912 * This symbol, if defined, indicates to the C program that it should
2913 * include <sys/time.h>.
2915 /* I_SYS_TIME_KERNEL:
2916 * This symbol, if defined, indicates to the C program that it should
2917 * include <sys/time.h> with KERNEL defined.
2920 * This symbol, if defined, indicates to the C program that
2921 * the struct tm has a tm_zone field.
2923 /* HAS_TM_TM_GMTOFF:
2924 * This symbol, if defined, indicates to the C program that
2925 * the struct tm has a tm_gmtoff field.
2927 #$i_time I_TIME /**/
2928 #$i_systime I_SYS_TIME /**/
2929 #$i_systimek I_SYS_TIME_KERNEL /**/
2930 #$d_tm_tm_zone HAS_TM_TM_ZONE /**/
2931 #$d_tm_tm_gmtoff HAS_TM_TM_GMTOFF /**/
2934 * This symbol, if defined, indicates that <stdarg.h> exists and should
2938 * This symbol, if defined, indicates to the C program that it should
2939 * include <varargs.h>.
2941 #$i_stdarg I_STDARG /**/
2942 #$i_varargs I_VARARGS /**/
2944 /* PERL_INC_VERSION_LIST:
2945 * This variable specifies the list of subdirectories in over
2946 * which perl.c:incpush() and lib/lib.pm will automatically
2947 * search when adding directories to @INC, in a format suitable
2948 * for a C initialization string. See the inc_version_list entry
2949 * in Porting/Glossary for more details.
2951 #$d_inc_version_list PERL_INC_VERSION_LIST $inc_version_list_init /**/
2953 /* INSTALL_USR_BIN_PERL:
2954 * This symbol, if defined, indicates that Perl is to be installed
2955 * also as /usr/bin/perl.
2957 #$installusrbinperl INSTALL_USR_BIN_PERL /**/
2960 * This symbol holds the type used to declare offsets in the kernel.
2961 * It can be int, long, off_t, etc... It may be necessary to include
2962 * <sys/types.h> to get any typedef'ed information.
2965 * This symbol holds the number of bytes used by the Off_t.
2968 * This symbol holds the number of bytes used by the Off_t.
2970 #define Off_t $lseektype /* <offset> type */
2971 #define LSEEKSIZE $lseeksize /* <offset> size */
2972 #define Off_t_size $lseeksize /* <offset> size */
2975 * This variable contains the return type of free(). It is usually
2976 * void, but occasionally int.
2979 * This symbol is the type of pointer returned by malloc and realloc.
2981 #define Malloc_t $malloctype /**/
2982 #define Free_t $freetype /**/
2984 /* PERL_MALLOC_WRAP:
2985 * This symbol, if defined, indicates that we'd like malloc wrap checks.
2987 #$usemallocwrap PERL_MALLOC_WRAP /**/
2990 * This symbol, if defined, indicates that we're using our own malloc.
2992 #$d_mymalloc MYMALLOC /**/
2995 * This symbol holds the type used to declare file modes
2996 * for systems calls. It is usually mode_t, but may be
2997 * int or unsigned short. It may be necessary to include <sys/types.h>
2998 * to get any typedef'ed information.
3000 #define Mode_t $modetype /* file mode parameter for system calls */
3003 * This symbol is to be used during open() or fcntl(F_SETFL) to turn on
3004 * non-blocking I/O for the file descriptor. Note that there is no way
3005 * back, i.e. you cannot turn it blocking again this way. If you wish to
3006 * alternatively switch between blocking and non-blocking, use the
3007 * ioctl(FIOSNBIO) call instead, but that is not supported by all devices.
3010 * This symbol holds the errno error code set by read() when no data was
3011 * present on the non-blocking file descriptor.
3014 * This symbol holds the return code from read() when no data is present
3015 * on the non-blocking file descriptor. Be careful! If EOF_NONBLOCK is
3016 * not defined, then you can't distinguish between no data and EOF by
3017 * issuing a read(). You'll have to find another way to tell for sure!
3020 * This symbol, if defined, indicates to the C program that a read() on
3021 * a non-blocking file descriptor will return 0 on EOF, and not the value
3022 * held in RD_NODATA (-1 usually, in that case!).
3024 #define VAL_O_NONBLOCK $o_nonblock
3025 #define VAL_EAGAIN $eagain
3026 #define RD_NODATA $rd_nodata
3027 #$d_eofnblk EOF_NONBLOCK
3030 * This symbol holds the type used for the 1st argument
3031 * to gethostbyaddr().
3034 * This symbol holds the type used for the 2nd argument
3035 * to gethostbyaddr().
3038 * This symbol holds the type used for the argument to
3042 * This symbol holds the type used for the 1st argument to
3045 #define Netdb_host_t $netdb_host_type /**/
3046 #define Netdb_hlen_t $netdb_hlen_type /**/
3047 #define Netdb_name_t $netdb_name_type /**/
3048 #define Netdb_net_t $netdb_net_type /**/
3050 /* PERL_OTHERLIBDIRS:
3051 * This variable contains a colon-separated set of paths for the perl
3052 * binary to search for additional library files or modules.
3053 * These directories will be tacked to the end of @INC.
3054 * Perl will automatically search below each path for version-
3055 * and architecture-specific directories. See PERL_INC_VERSION_LIST
3058 #$d_perl_otherlibdirs PERL_OTHERLIBDIRS "$otherlibdirs" /**/
3061 * This symbol holds the type used to declare process ids in the kernel.
3062 * It can be int, uint, pid_t, etc... It may be necessary to include
3063 * <sys/types.h> to get any typedef'ed information.
3065 #define Pid_t $pidtype /* PID type */
3068 * This symbol contains the name of the private library for this package.
3069 * The library is private in the sense that it needn't be in anyone's
3070 * execution path, but it should be accessible by the world. The program
3071 * should be prepared to do ~ expansion.
3074 * This symbol contains the ~name expanded version of PRIVLIB, to be used
3075 * in programs that are not prepared to deal with ~ expansion at run-time.
3077 #define PRIVLIB "$privlib" /**/
3078 #define PRIVLIB_EXP "$privlibexp" /**/
3081 * If defined, this macro indicates that the C compiler can handle
3082 * function prototypes.
3085 * This macro is used to declare function parameters for folks who want
3086 * to make declarations with prototypes using a different style than
3087 * the above macros. Use double parentheses. For example:
3089 * int main _((int argc, char *argv[]));
3091 #$prototype CAN_PROTOTYPE /**/
3092 #ifdef CAN_PROTOTYPE
3093 #define _(args) args
3099 * This symbol contains the size of a pointer, so that the C preprocessor
3100 * can make decisions based on it. It will be sizeof(void *) if
3101 * the compiler supports (void *); otherwise it will be
3104 #define PTRSIZE $ptrsize /**/
3107 * This symbol, if defined, tells that there's a 64-bit integer type,
3108 * Quad_t, and its unsigned counterpart, Uquad_t. QUADKIND will be one
3109 * of QUAD_IS_INT, QUAD_IS_LONG, QUAD_IS_LONG_LONG, QUAD_IS_INT64_T,
3110 * or QUAD_IS___INT64.
3112 #$d_quad HAS_QUAD /**/
3114 # define Quad_t $quadtype /**/
3115 # define Uquad_t $uquadtype /**/
3116 # define QUADKIND $quadkind /**/
3117 # define QUAD_IS_INT 1
3118 # define QUAD_IS_LONG 2
3119 # define QUAD_IS_LONG_LONG 3
3120 # define QUAD_IS_INT64_T 4
3121 # define QUAD_IS___INT64 5
3125 * This macro is to be used to generate uniformly distributed
3126 * random numbers over the range [0., 1.[. You may have to supply
3127 * an 'extern double drand48();' in your program since SunOS 4.1.3
3128 * doesn't provide you with anything relevant in its headers.
3129 * See HAS_DRAND48_PROTO.
3132 * This symbol defines the type of the argument of the
3133 * random seed function.
3136 * This symbol defines the macro to be used in seeding the
3137 * random number generator (see Drand01).
3140 * This symbol indicates how many bits are produced by the
3141 * function used to generate normalized random numbers.
3142 * Values include 15, 16, 31, and 48.
3144 #define Drand01() $drand01 /**/
3145 #define Rand_seed_t $randseedtype /**/
3146 #define seedDrand01(x) $seedfunc((Rand_seed_t)x) /**/
3147 #define RANDBITS $randbits /**/
3150 * This symbol holds the type used for the 2nd, 3rd, and 4th
3151 * arguments to select. Usually, this is 'fd_set *', if HAS_FD_SET
3152 * is defined, and 'int *' otherwise. This is only useful if you
3153 * have select(), of course.
3155 #define Select_fd_set_t $selecttype /**/
3158 * This symbol contains the full pathname to the shell used on this
3159 * on this system to execute Bourne shell scripts. Usually, this will be
3160 * /bin/sh, though it's possible that some systems will have /bin/ksh,
3161 * /bin/pdksh, /bin/ash, /bin/bash, or even something such as
3164 #define SH_PATH "$targetsh" /**/
3167 * This symbol contains a list of signal names in order of
3168 * signal number. This is intended
3169 * to be used as a static array initialization, like this:
3170 * char *sig_name[] = { SIG_NAME };
3171 * The signals in the list are separated with commas, and each signal
3172 * is surrounded by double quotes. There is no leading SIG in the signal
3173 * name, i.e. SIGQUIT is known as "QUIT".
3174 * Gaps in the signal numbers (up to NSIG) are filled in with NUMnn,
3175 * etc., where nn is the actual signal number (e.g. NUM37).
3176 * The signal number for sig_name[i] is stored in sig_num[i].
3177 * The last element is 0 to terminate the list with a NULL. This
3178 * corresponds to the 0 at the end of the sig_name_init list.
3179 * Note that this variable is initialized from the sig_name_init,
3180 * not from sig_name (which is unused).
3183 * This symbol contains a list of signal numbers, in the same order as the
3184 * SIG_NAME list. It is suitable for static array initialization, as in:
3185 * int sig_num[] = { SIG_NUM };
3186 * The signals in the list are separated with commas, and the indices
3187 * within that list and the SIG_NAME list match, so it's easy to compute
3188 * the signal name from a number or vice versa at the price of a small
3189 * dynamic linear lookup.
3190 * Duplicates are allowed, but are moved to the end of the list.
3191 * The signal number corresponding to sig_name[i] is sig_number[i].
3192 * if (i < NSIG) then sig_number[i] == i.
3193 * The last element is 0, corresponding to the 0 at the end of
3194 * the sig_name_init list.
3195 * Note that this variable is initialized from the sig_num_init,
3196 * not from sig_num (which is unused).
3199 * This variable contains the number of elements of the SIG_NAME
3200 * and SIG_NUM arrays, excluding the final NULL entry.
3202 #define SIG_NAME $sig_name_init /**/
3203 #define SIG_NUM $sig_num_init /**/
3204 #define SIG_SIZE $sig_size /**/
3207 * This symbol contains the name of the private library for this package.
3208 * The library is private in the sense that it needn't be in anyone's
3209 * execution path, but it should be accessible by the world. The program
3210 * should be prepared to do ~ expansion.
3211 * The standard distribution will put nothing in this directory.
3212 * After perl has been installed, users may install their own local
3213 * architecture-dependent modules in this directory with
3214 * MakeMaker Makefile.PL
3215 * or equivalent. See INSTALL for details.
3218 * This symbol contains the ~name expanded version of SITEARCH, to be used
3219 * in programs that are not prepared to deal with ~ expansion at run-time.
3221 #$d_sitearch SITEARCH "$sitearch" /**/
3222 #$d_sitearch SITEARCH_EXP "$sitearchexp" /**/
3225 * This symbol contains the name of the private library for this package.
3226 * The library is private in the sense that it needn't be in anyone's
3227 * execution path, but it should be accessible by the world. The program
3228 * should be prepared to do ~ expansion.
3229 * The standard distribution will put nothing in this directory.
3230 * After perl has been installed, users may install their own local
3231 * architecture-independent modules in this directory with
3232 * MakeMaker Makefile.PL
3233 * or equivalent. See INSTALL for details.
3236 * This symbol contains the ~name expanded version of SITELIB, to be used
3237 * in programs that are not prepared to deal with ~ expansion at run-time.
3240 * This define is SITELIB_EXP with any trailing version-specific component
3241 * removed. The elements in inc_version_list (inc_version_list.U) can
3242 * be tacked onto this variable to generate a list of directories to search.
3244 #define SITELIB "$sitelib" /**/
3245 #define SITELIB_EXP "$sitelibexp" /**/
3246 #define SITELIB_STEM "$sitelib_stem" /**/
3249 * This symbol holds the size of a Size_t in bytes.
3251 #define Size_t_size $sizesize /**/
3254 * This symbol holds the type used to declare length parameters
3255 * for string functions. It is usually size_t, but may be
3256 * unsigned long, int, etc. It may be necessary to include
3257 * <sys/types.h> to get any typedef'ed information.
3259 #define Size_t $sizetype /* length parameter for string functions */
3262 * This symbol holds the type used for the size argument of
3263 * various socket calls (just the base type, not the pointer-to).
3265 #define Sock_size_t $socksizetype /**/
3268 * This symbol holds the type used by functions that return
3269 * a count of bytes or an error condition. It must be a signed type.
3270 * It is usually ssize_t, but may be long or int, etc.
3271 * It may be necessary to include <sys/types.h> or <unistd.h>
3272 * to get any typedef'ed information.
3273 * We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
3275 #define SSize_t $ssizetype /* signed count of bytes */
3278 * This symbol is defined to be the type of char used in stdio.h.
3279 * It has the values "unsigned char" or "char".
3281 #define STDCHAR $stdchar /**/
3284 * This symbol defines the format string used for printing a Uid_t.
3286 #define Uid_t_f $uidformat /**/
3289 * This symbol holds the signedness of a Uid_t.
3290 * 1 for unsigned, -1 for signed.
3292 #define Uid_t_sign $uidsign /* UID sign */
3295 * This symbol holds the size of a Uid_t in bytes.
3297 #define Uid_t_size $uidsize /* UID size */
3300 * This symbol holds the type used to declare user ids in the kernel.
3301 * It can be int, ushort, uid_t, etc... It may be necessary to include
3302 * <sys/types.h> to get any typedef'ed information.
3304 #define Uid_t $uidtype /* UID type */
3307 * This symbol, if defined, indicates that Perl should be built to
3308 * use the interpreter-based threading implementation.
3311 * This symbol, if defined, indicates that Perl should be built to
3312 * use the 5.005-based threading implementation.
3313 * Only valid up to 5.8.x.
3315 /* OLD_PTHREADS_API:
3316 * This symbol, if defined, indicates that Perl should
3317 * be built to use the old draft POSIX threads API.
3319 /* USE_REENTRANT_API:
3320 * This symbol, if defined, indicates that Perl should
3321 * try to use the various _r versions of library functions.
3322 * This is extremely experimental.
3324 #$use5005threads USE_5005THREADS /**/
3325 #$useithreads USE_ITHREADS /**/
3326 #if defined(USE_5005THREADS) && !defined(USE_ITHREADS)
3327 #define USE_THREADS /* until src is revised*/
3329 #$d_oldpthreads OLD_PTHREADS_API /**/
3330 #$usereentrant USE_REENTRANT_API /**/
3333 * If defined, this symbol contains the name of a private library.
3334 * The library is private in the sense that it needn't be in anyone's
3335 * execution path, but it should be accessible by the world.
3336 * It may have a ~ on the front.
3337 * The standard distribution will put nothing in this directory.
3338 * Vendors who distribute perl may wish to place their own
3339 * architecture-dependent modules and extensions in this directory with
3340 * MakeMaker Makefile.PL INSTALLDIRS=vendor
3341 * or equivalent. See INSTALL for details.
3343 /* PERL_VENDORARCH_EXP:
3344 * This symbol contains the ~name expanded version of PERL_VENDORARCH, to be used
3345 * in programs that are not prepared to deal with ~ expansion at run-time.
3347 #$d_vendorarch PERL_VENDORARCH "$vendorarch" /**/
3348 #$d_vendorarch PERL_VENDORARCH_EXP "$vendorarchexp" /**/
3350 /* PERL_VENDORLIB_EXP:
3351 * This symbol contains the ~name expanded version of VENDORLIB, to be used
3352 * in programs that are not prepared to deal with ~ expansion at run-time.
3354 /* PERL_VENDORLIB_STEM:
3355 * This define is PERL_VENDORLIB_EXP with any trailing version-specific component
3356 * removed. The elements in inc_version_list (inc_version_list.U) can
3357 * be tacked onto this variable to generate a list of directories to search.
3359 #$d_vendorlib PERL_VENDORLIB_EXP "$vendorlibexp" /**/
3360 #$d_vendorlib PERL_VENDORLIB_STEM "$vendorlib_stem" /**/
3362 /* USE_CROSS_COMPILE:
3363 * This symbol, if defined, indicates that Perl is being cross-compiled.
3366 * This symbol, if defined, indicates the target architecture
3367 * Perl has been cross-compiled to. Undefined if not a cross-compile.
3369 #ifndef USE_CROSS_COMPILE
3370 #$usecrosscompile USE_CROSS_COMPILE /**/
3371 #define PERL_TARGETARCH "$targetarch" /**/
3375 * This symbol, if defined, indicates that Perl was configured with
3376 * -Dusedevel, to enable development features. This should not be
3377 * done for production builds.
3379 #$usedevel PERL_USE_DEVEL /**/
3382 * This symbol, if defined, indicates that the atolf routine is
3383 * available to convert strings into long doubles.
3385 #$d_atolf HAS_ATOLF /**/
3388 * This symbol, if defined, indicates that the atoll routine is
3389 * available to convert strings into long longs.
3391 #$d_atoll HAS_ATOLL /**/
3394 * This symbol, if defined, indicates that the _fwalk system call is
3395 * available to apply a function to all the file handles.
3397 #$d__fwalk HAS__FWALK /**/
3400 * This symbol, if defined, indicates that the acosh routine is
3401 * available to do the inverse hyperbolic cosine function.
3403 #$d_acosh HAS_ACOSH /**/
3406 * This symbol, if defined, indicates that the aintl routine is
3407 * available. If copysignl is also present we can emulate modfl.
3409 #$d_aintl HAS_AINTL /**/
3412 * This symbol, if defined, indicates that the asinh routine is
3413 * available to do the inverse hyperbolic sine function.
3415 #$d_asinh HAS_ASINH /**/
3418 * This symbol, if defined, indicates that the atanh routine is
3419 * available to do the inverse hyperbolic tangent function.
3421 #$d_atanh HAS_ATANH /**/
3423 /* HAS_BUILTIN_CHOOSE_EXPR:
3424 * Can we handle GCC builtin for compile-time ternary-like expressions
3426 /* HAS_BUILTIN_EXPECT:
3427 * Can we handle GCC builtin for telling that certain values are more
3430 #$d_builtin_expect HAS_BUILTIN_EXPECT /**/
3431 #$d_builtin_choose_expr HAS_BUILTIN_CHOOSE_EXPR /**/
3433 /* HAS_C99_VARIADIC_MACROS:
3434 * If defined, the compiler supports C99 variadic macros.
3436 #$d_c99_variadic_macros HAS_C99_VARIADIC_MACROS /**/
3439 * This symbol, if defined, indicates that the class routine is
3440 * available to classify doubles. Available for example in AIX.
3441 * The returned values are defined in <float.h> and are:
3443 * FP_PLUS_NORM Positive normalized, nonzero
3444 * FP_MINUS_NORM Negative normalized, nonzero
3445 * FP_PLUS_DENORM Positive denormalized, nonzero
3446 * FP_MINUS_DENORM Negative denormalized, nonzero
3448 * FP_MINUS_ZERO -0.0
3451 * FP_NANS Signaling Not a Number (NaNS)
3452 * FP_NANQ Quiet Not a Number (NaNQ)
3454 #$d_class HAS_CLASS /**/
3457 * This symbol, if defined, indicates that the clearenv () routine is
3458 * available for use.
3460 #$d_clearenv HAS_CLEARENV /**/
3462 /* HAS_STRUCT_CMSGHDR:
3463 * This symbol, if defined, indicates that the struct cmsghdr
3466 #$d_cmsghdr_s HAS_STRUCT_CMSGHDR /**/
3469 * This symbol, if defined, indicates that the copysign routine is
3470 * available to do the copysign function.
3472 #$d_copysign HAS_COPYSIGN /**/
3475 * This symbol, if defined, indicates that the copysignl routine is
3476 * available. If aintl is also present we can emulate modfl.
3478 #$d_copysignl HAS_COPYSIGNL /**/
3481 * This symbol, if defined, indicates that a C++ compiler was
3482 * used to compiled Perl and will be used to compile extensions.
3484 #$d_cplusplus USE_CPLUSPLUS /**/
3486 /* HAS_DBMINIT_PROTO:
3487 * This symbol, if defined, indicates that the system provides
3488 * a prototype for the dbminit() function. Otherwise, it is up
3489 * to the program to supply one. A good guess is
3490 * extern int dbminit(char *);
3492 #$d_dbminitproto HAS_DBMINIT_PROTO /**/
3495 * This symbol, if defined, indicates that the the DIR* dirstream
3496 * structure contains a member variable named dd_fd.
3498 #$d_dir_dd_fd HAS_DIR_DD_FD /**/
3501 * This manifest constant lets the C program know that dirfd
3504 #$d_dirfd HAS_DIRFD /**/
3506 /* DLSYM_NEEDS_UNDERSCORE:
3507 * This symbol, if defined, indicates that we need to prepend an
3508 * underscore to the symbol name before calling dlsym(). This only
3509 * makes sense if you *have* dlsym, which we will presume is the
3510 * case if you're using dl_dlopen.xs.
3512 #$d_dlsymun DLSYM_NEEDS_UNDERSCORE /**/
3515 * This symbol, if defined, indicates that the erf routine is
3516 * available to do the error function.
3518 #$d_erf HAS_ERF /**/
3521 * This symbol, if defined, indicates that the erfc routine is
3522 * available to do the complementary error function.
3524 #$d_erfc HAS_ERFC /**/
3527 * This symbol, if defined, indicates that the exp2 routine is
3528 * available to do the 2**x function.
3530 #$d_exp2 HAS_EXP2 /**/
3533 * This symbol, if defined, indicates that the expm1 routine is
3534 * available to do the exp(x) - 1 when x is near 1 function.
3536 #$d_expm1 HAS_EXPM1 /**/
3539 * This symbol, if defined, indicates that the "fast stdio"
3540 * is available to manipulate the stdio buffers directly.
3542 #$d_faststdio HAS_FAST_STDIO /**/
3545 * This symbol, if defined, indicates that the fchdir routine is
3546 * available to change directory using a file descriptor.
3548 #$d_fchdir HAS_FCHDIR /**/
3551 * This symbol, if defined, indicates that fcntl() can be used
3552 * for file locking. Normally on Unix systems this is defined.
3553 * It may be undefined on VMS.
3555 #$d_fcntl_can_lock FCNTL_CAN_LOCK /**/
3558 * This symbol, if defined, indicates that the fdim routine is
3559 * available to do the positive difference function.
3561 #$d_fdim HAS_FDIM /**/
3564 * This symbol, if defined, indicates that the fegetround routine is
3565 * available to return the macro corresponding to the current rounding
3568 #$d_fegetround HAS_FEGETROUND /**/
3571 * This symbol, if defined, indicates that the finite routine is
3572 * available to check whether a double is finite (non-infinity non-NaN).
3574 #$d_finite HAS_FINITE /**/
3577 * This symbol, if defined, indicates that the finitel routine is
3578 * available to check whether a long double is finite
3579 * (non-infinity non-NaN).
3581 #$d_finitel HAS_FINITEL /**/
3584 * This symbol, if defined, indicates that the system provides
3585 * a prototype for the flock() function. Otherwise, it is up
3586 * to the program to supply one. A good guess is
3587 * extern int flock(int, int);
3589 #$d_flockproto HAS_FLOCK_PROTO /**/
3592 * This symbol, if defined, indicates that the fma routine is
3593 * available to do the multiply-add function.
3595 #$d_fma HAS_FMA /**/
3598 * This symbol, if defined, indicates that the fmax routine is
3599 * available to do the maximum function.
3601 #$d_fmax HAS_FMAX /**/
3604 * This symbol, if defined, indicates that the fmin routine is
3605 * available to do the minimum function.
3607 #$d_fmin HAS_FMIN /**/
3610 * This symbol, if defined, indicates that the fp_class routine is
3611 * available to classify doubles. Available for example in Digital UNIX.
3612 * The returned values are defined in <math.h> and are:
3614 * FP_SNAN Signaling NaN (Not-a-Number)
3615 * FP_QNAN Quiet NaN (Not-a-Number)
3616 * FP_POS_INF +infinity
3617 * FP_NEG_INF -infinity
3618 * FP_POS_NORM Positive normalized
3619 * FP_NEG_NORM Negative normalized
3620 * FP_POS_DENORM Positive denormalized
3621 * FP_NEG_DENORM Negative denormalized
3622 * FP_POS_ZERO +0.0 (positive zero)
3623 * FP_NEG_ZERO -0.0 (negative zero)
3625 #$d_fp_class HAS_FP_CLASS /**/
3628 * This symbol, if defined, indicates that the fp_classl routine is
3629 * available to classify long doubles. Available for example in
3630 * Digital UNIX. See for possible values HAS_FP_CLASS.
3632 #$d_fp_classl HAS_FP_CLASSL /**/
3635 * This symbol, if defined, indicates that the fpclass routine is
3636 * available to classify doubles. Available for example in Solaris/SVR4.
3637 * The returned values are defined in <ieeefp.h> and are:
3639 * FP_SNAN signaling NaN
3641 * FP_NINF negative infinity
3642 * FP_PINF positive infinity
3643 * FP_NDENORM negative denormalized non-zero
3644 * FP_PDENORM positive denormalized non-zero
3645 * FP_NZERO negative zero
3646 * FP_PZERO positive zero
3647 * FP_NNORM negative normalized non-zero
3648 * FP_PNORM positive normalized non-zero
3650 #$d_fpclass HAS_FPCLASS /**/
3653 * This symbol, if defined, indicates that the fpclassify routine is
3654 * available to classify doubles. Available for example in HP-UX.
3655 * The returned values are defined in <math.h> and are
3657 * FP_NORMAL Normalized
3659 * FP_INFINITE Infinity
3660 * FP_SUBNORMAL Denormalized
3665 * This symbol, if defined, indicates that the fp_classify routine is
3666 * available to classify doubles. The values are defined in <math.h>
3668 * FP_NORMAL Normalized
3670 * FP_INFINITE Infinity
3671 * FP_SUBNORMAL Denormalized
3675 #$d_fpclassify HAS_FPCLASSIFY /**/
3676 #$d_fp_classify HAS_FP_CLASSIFY /**/
3679 * This symbol, if defined, indicates that the fpclassl routine is
3680 * available to classify long doubles. Available for example in IRIX.
3681 * The returned values are defined in <ieeefp.h> and are:
3683 * FP_SNAN signaling NaN
3685 * FP_NINF negative infinity
3686 * FP_PINF positive infinity
3687 * FP_NDENORM negative denormalized non-zero
3688 * FP_PDENORM positive denormalized non-zero
3689 * FP_NZERO negative zero
3690 * FP_PZERO positive zero
3691 * FP_NNORM negative normalized non-zero
3692 * FP_PNORM positive normalized non-zero
3694 #$d_fpclassl HAS_FPCLASSL /**/
3697 * This symbol, if defined, indicates that the fpgetround routine is
3698 * available to get the floating point rounding mode.
3700 #$d_fpgetround HAS_FPGETROUND /**/
3703 * This symbol will be defined if the C compiler supports fpos64_t.
3705 #$d_fpos64_t HAS_FPOS64_T /**/
3708 * This symbol, if defined, indicates that the frexpl routine is
3709 * available to break a long double floating-point number into
3710 * a normalized fraction and an integral power of 2.
3712 #$d_frexpl HAS_FREXPL /**/
3715 * This symbol, if defined, indicates that the fseeko routine is
3716 * available to fseek beyond 32 bits (useful for ILP32 hosts).
3718 #$d_fseeko HAS_FSEEKO /**/
3721 * This symbol, if defined, indicates that the fsync routine is
3722 * available to write a file's modified data and attributes to
3723 * permanent storage.
3725 #$d_fsync HAS_FSYNC /**/
3728 * This symbol, if defined, indicates that the ftello routine is
3729 * available to ftell beyond 32 bits (useful for ILP32 hosts).
3731 #$d_ftello HAS_FTELLO /**/
3734 * This symbol, if defined, indicates that the futimes routine is
3735 * available to change file descriptor time stamps with struct timevals.
3737 #$d_futimes HAS_FUTIMES /**/
3740 * This symbol, if defined, indicates that the getaddrinfo() function
3741 * is available for use.
3743 #$d_getaddrinfo HAS_GETADDRINFO /**/
3746 * This symbol, if defined, indicates that the getcwd routine is
3747 * available to get the current working directory.
3749 #$d_getcwd HAS_GETCWD /**/
3752 * This symbol, if defined, indicates that the getespwnam system call is
3753 * available to retrieve enhanced (shadow) password entries by name.
3755 #$d_getespwnam HAS_GETESPWNAM /**/
3758 * This symbol, if defined, indicates that the getitimer routine is
3759 * available to return interval timers.
3761 #$d_getitimer HAS_GETITIMER /**/
3764 * This symbol, if defined, indicates that the getnameinfo() function
3765 * is available for use.
3767 #$d_getnameinfo HAS_GETNAMEINFO /**/
3770 * This symbol, if defined, indicates that the getprpwnam system call is
3771 * available to retrieve protected (shadow) password entries by name.
3773 #$d_getprpwnam HAS_GETPRPWNAM /**/
3776 * This symbol, if defined, indicates that the getspnam system call is
3777 * available to retrieve SysV shadow password entries by name.
3779 #$d_getspnam HAS_GETSPNAM /**/
3782 * This symbol, if defined, indicates that the hypot routine is
3783 * available to do the hypotenuse function.
3785 #$d_hypot HAS_HYPOT /**/
3788 * This symbol, if defined, indicates that the ilogb routine is
3789 * available to get integer exponent of a floating-point value.
3791 #$d_ilogb HAS_ILOGB /**/
3794 * This symbol, if defined, indicates that the ilogbl routine is
3795 * available. If scalbnl is also present we can emulate frexpl.
3797 #$d_ilogbl HAS_ILOGBL /**/
3800 * This symbol, if defined, indicates that the inet_ntop() function
3801 * is available to parse IPv4 and IPv6 strings.
3803 #$d_inetntop HAS_INETNTOP /**/
3806 * This symbol, if defined, indicates that the inet_pton() function
3807 * is available to parse IPv4 and IPv6 strings.
3809 #$d_inetpton HAS_INETPTON /**/
3812 * This symbol will defined if the C compiler supports int64_t.
3813 * Usually the <inttypes.h> needs to be included, but sometimes
3814 * <sys/types.h> is enough.
3816 #$d_int64_t HAS_INT64_T /**/
3819 * This manifest constant lets the C program know that isblank
3822 #$d_isblank HAS_ISBLANK /**/
3825 * This symbol, if defined, indicates that the isfinite routine is
3826 * available to check whether a double is finite (non-infinity non-NaN).
3828 #$d_isfinite HAS_ISFINITE /**/
3831 * This symbol, if defined, indicates that the isfinitel routine is
3832 * available to check whether a long double is finite.
3833 * (non-infinity non-NaN).
3835 #$d_isfinitel HAS_ISFINITEL /**/
3838 * This symbol, if defined, indicates that the isinf routine is
3839 * available to check whether a double is an infinity.
3841 #$d_isinf HAS_ISINF /**/
3844 * This symbol, if defined, indicates that the isinfl routine is
3845 * available to check whether a long double is an infinity.
3847 #$d_isinfl HAS_ISINFL /**/
3850 * This symbol, if defined, indicates that the isless routine is
3851 * available to do the isless function.
3853 #$d_isless HAS_ISLESS /**/
3856 * This symbol, if defined, indicates that the isnan routine is
3857 * available to check whether a double is a NaN.
3859 #$d_isnan HAS_ISNAN /**/
3862 * This symbol, if defined, indicates that the isnanl routine is
3863 * available to check whether a long double is a NaN.
3865 #$d_isnanl HAS_ISNANL /**/
3868 * This symbol, if defined, indicates that the isnormal routine is
3869 * available to check whether a double is normal (non-zero normalized).
3871 #$d_isnormal HAS_ISNORMAL /**/
3874 * This symbol, if defined, indicates to the C program that the
3875 * j0() function is available for Bessel functions of the first
3876 * kind of the order zero, for doubles.
3879 * This symbol, if defined, indicates to the C program that the
3880 * j0l() function is available for Bessel functions of the first
3881 * kind of the order zero, for long doubles.
3884 #$d_j0l HAS_J0L /**/
3886 /* HAS_LC_MONETARY_2008:
3887 * This symbol, if defined, indicates that the localeconv routine is
3888 * available and has the additional members added in POSIX 1003.1-2008.
3890 #$d_lc_monetary_2008 HAS_LC_MONETARY_2008 /**/
3893 * This symbol, if defined, indicates that this system's <float.h>
3894 * or <limits.h> defines the symbol LDBL_DIG, which is the number
3895 * of significant digits in a long double precision number. Unlike
3896 * for DBL_DIG, there's no good guess for LDBL_DIG if it is undefined.
3898 #$d_ldbl_dig HAS_LDBL_DIG /* */
3901 * This symbol, if defined, indicates that the lgamma routine is
3902 * available to do the log gamma function. See also HAS_TGAMMA and
3905 #$d_lgamma HAS_LGAMMA /**/
3908 * This symbol, if defined, indicates that the lgamma_r routine is
3909 * available to do the log gamma function without using the global
3912 #$d_lgamma_r HAS_LGAMMA_R /**/
3914 /* LIBM_LIB_VERSION:
3915 * This symbol, if defined, indicates that libm exports _LIB_VERSION
3916 * and that math.h defines the enum to manipulate it.
3918 #$d_libm_lib_version LIBM_LIB_VERSION /**/
3921 * This symbol, if defined, indicates that the llrint routine is
3922 * available to return the closest long long value according to
3923 * the current rounding mode.
3925 #$d_llrint HAS_LLRINT /**/
3928 * This symbol, if defined, indicates that the llrintl routine is
3929 * available to return the closest long long value of the long double
3930 * argument according to the current rounding mode.
3932 #$d_llrintl HAS_LLRINTL /**/
3935 * This symbol, if defined, indicates that the llround routine is
3936 * available to return the nearest long long value.
3938 #$d_llround HAS_LLROUND /**/
3941 * This symbol, if defined, indicates that the llroundl routine is
3942 * available to return the nearest long long value away from zero of
3943 * the long double argument value.
3945 #$d_llroundl HAS_LLROUNDL /**/
3948 * This symbol, if defined, indicates that the log1p routine is
3949 * available to do the logarithm of 1 plus argument function.
3951 #$d_log1p HAS_LOG1P /**/
3954 * This symbol, if defined, indicates that the log2 routine is
3955 * available to do the log2 function.
3957 #$d_log2 HAS_LOG2 /**/
3960 * This symbol, if defined, indicates that the logb routine is
3961 * available to do the logb function.
3963 #$d_logb HAS_LOGB /**/
3966 * This symbol, if defined, indicates that the lrint routine is
3967 * available to return the closest integral value according to
3968 * the current rounding mode.
3970 #$d_lrint HAS_LRINT /**/
3973 * This symbol, if defined, indicates that the lrintl routine is
3974 * available to return the closest integral value of the long double
3975 * argument according to the current rounding mode.
3977 #$d_lrintl HAS_LRINTL /**/
3980 * This symbol, if defined, indicates that the lround routine is
3981 * available to return the nearest integral value.
3983 #$d_lround HAS_LROUND /**/
3986 * This symbol, if defined, indicates that the lroundl routine is
3987 * available to return the nearest integral value away from zero of
3988 * the long double argument value.
3990 #$d_lroundl HAS_LROUNDL /**/
3993 * This symbol, if defined, indicates that the madvise system call is
3994 * available to map a file into memory.
3996 #$d_madvise HAS_MADVISE /**/
3999 * This symbol, if defined, indicates that the malloc_size
4000 * routine is available for use.
4002 #$d_malloc_size HAS_MALLOC_SIZE /**/
4004 /* HAS_MALLOC_GOOD_SIZE:
4005 * This symbol, if defined, indicates that the malloc_good_size
4006 * routine is available for use.
4008 #$d_malloc_good_size HAS_MALLOC_GOOD_SIZE /**/
4011 * This symbol, if defined, indicates that the mkdtemp routine is
4012 * available to exclusively create a uniquely named temporary directory.
4014 #$d_mkdtemp HAS_MKDTEMP /**/
4017 * This symbol, if defined, indicates that the mkstemps routine is
4018 * available to exclusively create and open a uniquely named
4019 * (with a suffix) temporary file.
4021 #$d_mkstemps HAS_MKSTEMPS /**/
4024 * This symbol, if defined, indicates that the modfl routine is
4025 * available to split a long double x into a fractional part f and
4026 * an integer part i such that |f| < 1.0 and (f + i) = x.
4029 * This symbol, if defined, indicates that the system provides
4030 * a prototype for the modfl() function. Otherwise, it is up
4031 * to the program to supply one.
4033 #$d_modfl HAS_MODFL /**/
4034 #$d_modflproto HAS_MODFL_PROTO /**/
4037 * This symbol, if defined, indicates that the mprotect system call is
4038 * available to modify the access protection of a memory mapped file.
4040 #$d_mprotect HAS_MPROTECT /**/
4042 /* HAS_STRUCT_MSGHDR:
4043 * This symbol, if defined, indicates that the struct msghdr
4046 #$d_msghdr_s HAS_STRUCT_MSGHDR /**/
4049 * This symbol, if defined, indicates that the nan routine is
4050 * available to generate NaN.
4052 #$d_nan HAS_NAN /**/
4055 * This symbol, if defined, indicates that the nearbyint routine is
4056 * available to return the integral value closest to (according to
4057 * the current rounding mode) to x.
4059 #$d_nearbyint HAS_NEARBYINT /**/
4062 * This symbol, if defined, indicates that the nextafter routine is
4063 * available to return the next machine representable double from
4066 #$d_nextafter HAS_NEXTAFTER /**/
4069 * This symbol, if defined, indicates that the nexttoward routine is
4070 * available to return the next machine representable long double from
4073 #$d_nexttoward HAS_NEXTTOWARD /**/
4076 * This symbol, if defined, indicates that the nl_langinfo routine is
4077 * available to return local data. You will also need <langinfo.h>
4078 * and therefore I_LANGINFO.
4080 #$d_nl_langinfo HAS_NL_LANGINFO /**/
4083 * This symbol will be defined if the C compiler supports off64_t.
4085 #$d_off64_t HAS_OFF64_T /**/
4088 * This symbol, if defined, indicates that the prctl routine is
4089 * available to set process title.
4090 * Note that there are at least two prctl variants: Linux and Irix.
4091 * While they are somewhat similar, they are incompatible.
4093 /* HAS_PRCTL_SET_NAME:
4094 * This symbol, if defined, indicates that the prctl routine is
4095 * available to set process title and supports PR_SET_NAME.
4097 #$d_prctl HAS_PRCTL /**/
4098 #$d_prctl_set_name HAS_PRCTL_SET_NAME /**/
4101 * This symbol is defined if PROCSELFEXE_PATH is a symlink
4102 * to the absolute pathname of the executing program.
4104 /* PROCSELFEXE_PATH:
4105 * If HAS_PROCSELFEXE is defined this symbol is the filename
4106 * of the symbolic link pointing to the absolute pathname of
4107 * the executing program.
4109 #$d_procselfexe HAS_PROCSELFEXE /**/
4110 #if defined(HAS_PROCSELFEXE) && !defined(PROCSELFEXE_PATH)
4111 #define PROCSELFEXE_PATH $procselfexe /**/
4114 /* HAS_PTHREAD_ATTR_SETSCOPE:
4115 * This symbol, if defined, indicates that the pthread_attr_setscope
4116 * system call is available to set the contention scope attribute of
4117 * a thread attribute object.
4119 #$d_pthread_attr_setscope HAS_PTHREAD_ATTR_SETSCOPE /**/
4122 * This symbol will be defined if the C compiler supports ptrdiff_t.
4124 #$d_ptrdiff_t HAS_PTRDIFF_T /**/
4127 * This symbol, if defined, indicates that the readv routine is
4128 * available to do gather reads. You will also need <sys/uio.h>
4129 * and there I_SYSUIO.
4131 #$d_readv HAS_READV /**/
4134 * This symbol, if defined, indicates that the recvmsg routine is
4135 * available to send structured socket messages.
4137 #$d_recvmsg HAS_RECVMSG /**/
4140 * This symbol, if defined, indicates that the remainder routine is
4141 * available to return the floating-point remainder.
4143 #$d_remainder HAS_REMAINDER /**/
4146 * This symbol, if defined, indicates that the remquo routine is
4147 * available to return the remainder and part of quotient.
4149 #$d_remquo HAS_REMQUO /**/
4152 * This symbol, if defined, indicates that the rint routine is
4153 * available to return the nearest integral value to x as double
4154 * using the current rounding mode.
4156 #$d_rint HAS_RINT /**/
4159 * This symbol, if defined, indicates that the round routine is
4160 * available to round to nearest integer, away from zero.
4162 #$d_round HAS_ROUND /**/
4165 * This symbol, if defined, indicates that the system provides
4166 * a prototype for the sbrk() function. Otherwise, it is up
4167 * to the program to supply one. Good guesses are
4168 * extern void* sbrk(int);
4169 * extern void* sbrk(size_t);
4171 #$d_sbrkproto HAS_SBRK_PROTO /**/
4174 * This symbol, if defined, indicates that the scalbn routine is
4175 * available to multiply floating-point number by integral power
4178 #$d_scalbn HAS_SCALBN /**/
4181 * This symbol, if defined, indicates that the scalbnl routine is
4182 * available. If ilogbl is also present we can emulate frexpl.
4184 #$d_scalbnl HAS_SCALBNL /**/
4187 * This symbol, if defined, indicates that the sendmsg routine is
4188 * available to send structured socket messages.
4190 #$d_sendmsg HAS_SENDMSG /**/
4193 * This symbol, if defined, indicates that the setitimer routine is
4194 * available to set interval timers.
4196 #$d_setitimer HAS_SETITIMER /**/
4198 /* HAS_SETPROCTITLE:
4199 * This symbol, if defined, indicates that the setproctitle routine is
4200 * available to set process title.
4202 #$d_setproctitle HAS_SETPROCTITLE /**/
4205 * This symbol, if defined, indicates that the signbit routine is
4206 * available to check if the given number has the sign bit set.
4207 * This should include correct testing of -0.0. This will only be set
4208 * if the signbit() routine is safe to use with the NV type used internally
4209 * in perl. Users should call Perl_signbit(), which will be #defined to
4210 * the system's signbit() function or macro if this symbol is defined.
4212 #$d_signbit HAS_SIGNBIT /**/
4215 * This symbol, if defined, indicates that the sigprocmask
4216 * system call is available to examine or change the signal mask
4217 * of the calling process.
4219 #$d_sigprocmask HAS_SIGPROCMASK /**/
4221 /* USE_SITECUSTOMIZE:
4222 * This symbol, if defined, indicates that sitecustomize should
4225 #ifndef USE_SITECUSTOMIZE
4226 #$usesitecustomize USE_SITECUSTOMIZE /**/
4230 * This symbol, if defined, indicates that the snprintf () library
4231 * function is available for use.
4234 * This symbol, if defined, indicates that the vsnprintf () library
4235 * function is available for use.
4237 #$d_snprintf HAS_SNPRINTF /**/
4238 #$d_vsnprintf HAS_VSNPRINTF /**/
4241 * This symbol, if defined, indicates that the sockatmark routine is
4242 * available to test whether a socket is at the out-of-band mark.
4244 #$d_sockatmark HAS_SOCKATMARK /**/
4246 /* HAS_SOCKATMARK_PROTO:
4247 * This symbol, if defined, indicates that the system provides
4248 * a prototype for the sockatmark() function. Otherwise, it is up
4249 * to the program to supply one. A good guess is
4250 * extern int sockatmark(int);
4252 #$d_sockatmarkproto HAS_SOCKATMARK_PROTO /**/
4255 * This symbol, if defined, indicates that the socks5_init routine is
4256 * available to initialize SOCKS 5.
4258 #$d_socks5_init HAS_SOCKS5_INIT /**/
4260 /* SPRINTF_RETURNS_STRLEN:
4261 * This variable defines whether sprintf returns the length of the string
4262 * (as per the ANSI spec). Some C libraries retain compatibility with
4263 * pre-ANSI C and return a pointer to the passed in buffer; for these
4264 * this variable will be undef.
4266 #$d_sprintf_returns_strlen SPRINTF_RETURNS_STRLEN /**/
4269 * This symbol, if defined, indicates that the sqrtl routine is
4270 * available to do long double square roots.
4272 #$d_sqrtl HAS_SQRTL /**/
4274 /* HAS_SETRESGID_PROTO:
4275 * This symbol, if defined, indicates that the system provides
4276 * a prototype for the setresgid() function. Otherwise, it is up
4277 * to the program to supply one. Good guesses are
4278 * extern int setresgid(uid_t ruid, uid_t euid, uid_t suid);
4280 #$d_sresgproto HAS_SETRESGID_PROTO /**/
4282 /* HAS_SETRESUID_PROTO:
4283 * This symbol, if defined, indicates that the system provides
4284 * a prototype for the setresuid() function. Otherwise, it is up
4285 * to the program to supply one. Good guesses are
4286 * extern int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4288 #$d_sresuproto HAS_SETRESUID_PROTO /**/
4291 * This symbol, if defined, indicates that the strftime routine is
4292 * available to do time formatting.
4294 #$d_strftime HAS_STRFTIME /**/
4297 * This symbol, if defined, indicates that the strlcat () routine is
4298 * available to do string concatenation.
4300 #$d_strlcat HAS_STRLCAT /**/
4303 * This symbol, if defined, indicates that the strlcpy () routine is
4304 * available to do string copying.
4306 #$d_strlcpy HAS_STRLCPY /**/
4309 * This symbol, if defined, indicates that the strtold routine is
4310 * available to convert strings to long doubles.
4312 #$d_strtold HAS_STRTOLD /**/
4315 * This symbol, if defined, indicates that the strtoll routine is
4316 * available to convert strings to long longs.
4318 #$d_strtoll HAS_STRTOLL /**/
4321 * This symbol, if defined, indicates that the strtoq routine is
4322 * available to convert strings to long longs (quads).
4324 #$d_strtoq HAS_STRTOQ /**/
4327 * This symbol, if defined, indicates that the strtoull routine is
4328 * available to convert strings to unsigned long longs.
4330 #$d_strtoull HAS_STRTOULL /**/
4333 * This symbol, if defined, indicates that the strtouq routine is
4334 * available to convert strings to unsigned long longs (quads).
4336 #$d_strtouq HAS_STRTOUQ /**/
4338 /* HAS_SYSCALL_PROTO:
4339 * This symbol, if defined, indicates that the system provides
4340 * a prototype for the syscall() function. Otherwise, it is up
4341 * to the program to supply one. Good guesses are
4342 * extern int syscall(int, ...);
4343 * extern int syscall(long, ...);
4345 #$d_syscallproto HAS_SYSCALL_PROTO /**/
4347 /* HAS_TELLDIR_PROTO:
4348 * This symbol, if defined, indicates that the system provides
4349 * a prototype for the telldir() function. Otherwise, it is up
4350 * to the program to supply one. A good guess is
4351 * extern long telldir(DIR*);
4353 #$d_telldirproto HAS_TELLDIR_PROTO /**/
4356 * This symbol, if defined, indicates that the tgamma routine is
4357 * available to do the gamma function. See also HAS_LGAMMA.
4359 #$d_tgamma HAS_TGAMMA /**/
4362 * This symbol, if defined, indicates that the ctime64 () routine is
4363 * available to do the 64bit variant of ctime ()
4366 * This symbol, if defined, indicates that the localtime64 () routine is
4367 * available to do the 64bit variant of localtime ()
4370 * This symbol, if defined, indicates that the gmtime64 () routine is
4371 * available to do the 64bit variant of gmtime ()
4374 * This symbol, if defined, indicates that the mktime64 () routine is
4375 * available to do the 64bit variant of mktime ()
4378 * This symbol, if defined, indicates that the difftime64 () routine is
4379 * available to do the 64bit variant of difftime ()
4382 * This symbol, if defined, indicates that the asctime64 () routine is
4383 * available to do the 64bit variant of asctime ()
4385 #$d_ctime64 HAS_CTIME64 /**/
4386 #$d_localtime64 HAS_LOCALTIME64 /**/
4387 #$d_gmtime64 HAS_GMTIME64 /**/
4388 #$d_mktime64 HAS_MKTIME64 /**/
4389 #$d_difftime64 HAS_DIFFTIME64 /**/
4390 #$d_asctime64 HAS_ASCTIME64 /**/
4393 * This symbol, if defined, indicates that the timegm routine is
4394 * available to do the opposite of gmtime ()
4396 #$d_timegm HAS_TIMEGM /**/
4399 * This symbol, if defined, indicates that the trunc routine is
4400 * available to round doubles towards zero.
4402 #$d_trunc HAS_TRUNC /**/
4405 * This symbol, if defined, indicates that the truncl routine is
4406 * available. If copysignl is also present we can emulate modfl.
4408 #$d_truncl HAS_TRUNCL /**/
4410 /* U32_ALIGNMENT_REQUIRED:
4411 * This symbol, if defined, indicates that you must access
4412 * character data through U32-aligned pointers.
4414 #ifndef U32_ALIGNMENT_REQUIRED
4415 #$d_u32align U32_ALIGNMENT_REQUIRED /**/
4419 * This symbol, if defined, indicates that the ualarm routine is
4420 * available to do alarms with microsecond granularity.
4422 #$d_ualarm HAS_UALARM /**/
4425 * This symbol, if defined, indicates that the unordered routine is
4426 * available to check whether two doubles are unordered
4427 * (effectively: whether either of them is NaN)
4429 #$d_unordered HAS_UNORDERED /**/
4432 * This symbol, if defined, indicates that the unsetenv () routine is
4433 * available for use.
4435 #$d_unsetenv HAS_UNSETENV /**/
4437 /* HAS_USLEEP_PROTO:
4438 * This symbol, if defined, indicates that the system provides
4439 * a prototype for the usleep() function. Otherwise, it is up
4440 * to the program to supply one. A good guess is
4441 * extern int usleep(useconds_t);
4443 #$d_usleepproto HAS_USLEEP_PROTO /**/
4446 * This symbol, if defined, indicates that the wcscmp routine is
4447 * available to compare two wide character strings.
4449 #$d_wcscmp HAS_WCSCMP /**/
4452 * This symbol, if defined, indicates that the wcsxfrm routine is
4453 * available to tranform a wide character string for wcscmp().
4455 #$d_wcsxfrm HAS_WCSXFRM /**/
4458 * This symbol, if defined, indicates that the writev routine is
4459 * available to do scatter writes.
4461 #$d_writev HAS_WRITEV /**/
4463 /* USE_DYNAMIC_LOADING:
4464 * This symbol, if defined, indicates that dynamic loading of
4465 * some sort is available.
4467 #$usedl USE_DYNAMIC_LOADING /**/
4470 * This symbol, if defined, tells that fflush(NULL) correctly
4471 * flushes all pending stdio output without side effects. In
4472 * particular, on some platforms calling fflush(NULL) *still*
4473 * corrupts STDIN if it is a pipe.
4476 * This symbol, if defined, tells that to flush
4477 * all pending stdio output one must loop through all
4478 * the stdio file handles stored in an array and fflush them.
4479 * Note that if fflushNULL is defined, fflushall will not
4480 * even be probed for and will be left undefined.
4482 #$fflushNULL FFLUSH_NULL /**/
4483 #$fflushall FFLUSH_ALL /**/
4486 * This symbol, if defined, indicates that <assert.h> exists and
4487 * could be included by the C program to get the assert() macro.
4489 #$i_assert I_ASSERT /**/
4492 * This symbol, if defined, indicates that <bfd.h> exists and
4498 * This symbol, if defined, indicates that <crypt.h> exists and
4499 * should be included.
4501 #$i_crypt I_CRYPT /**/
4504 * This symbol contains the type of the prefix structure element
4505 * in the <db.h> header file. In older versions of DB, it was
4506 * int, while in newer ones it is u_int32_t.
4509 * This symbol contains the type of the prefix structure element
4510 * in the <db.h> header file. In older versions of DB, it was
4511 * int, while in newer ones it is size_t.
4513 /* DB_VERSION_MAJOR_CFG:
4514 * This symbol, if defined, defines the major version number of
4515 * Berkeley DB found in the <db.h> header when Perl was configured.
4517 /* DB_VERSION_MINOR_CFG:
4518 * This symbol, if defined, defines the minor version number of
4519 * Berkeley DB found in the <db.h> header when Perl was configured.
4520 * For DB version 1 this is always 0.
4522 /* DB_VERSION_PATCH_CFG:
4523 * This symbol, if defined, defines the patch version number of
4524 * Berkeley DB found in the <db.h> header when Perl was configured.
4525 * For DB version 1 this is always 0.
4527 #define DB_Hash_t $db_hashtype /**/
4528 #define DB_Prefix_t $db_prefixtype /**/
4529 #define DB_VERSION_MAJOR_CFG $db_version_major /**/
4530 #define DB_VERSION_MINOR_CFG $db_version_minor /**/
4531 #define DB_VERSION_PATCH_CFG $db_version_patch /**/
4534 * This symbol, if defined, indicates to the C program that it should
4535 * include <fenv.h> to get the floating point environment definitions.
4537 #$i_fenv I_FENV /**/
4540 * This symbol, if defined, indicates that <fp.h> exists and
4541 * should be included.
4546 * This symbol, if defined, indicates that <fp_class.h> exists and
4547 * should be included.
4549 #$i_fp_class I_FP_CLASS /**/
4552 * This symbol, if defined, indicates that <ieeefp.h> exists and
4553 * should be included.
4555 #$i_ieeefp I_IEEEFP /**/
4558 * This symbol, if defined, indicates to the C program that it should
4559 * include <inttypes.h>.
4561 #$i_inttypes I_INTTYPES /**/
4564 * This symbol, if defined, indicates that <langinfo.h> exists and
4565 * should be included.
4567 #$i_langinfo I_LANGINFO /**/
4570 * This symbol, if defined, indicates that <libutil.h> exists and
4571 * should be included.
4573 #$i_libutil I_LIBUTIL /**/
4576 * This symbol, if defined, indicates to the C program that it should
4577 * include <malloc/malloc.h>.
4579 #$i_mallocmalloc I_MALLOCMALLOC /**/
4582 * This symbol, if defined, indicates to the C program that it should
4583 * include <netinet/tcp.h>.
4585 #$i_netinettcp I_NETINET_TCP /**/
4588 * This symbol, if defined, indicates that <poll.h> exists and
4589 * should be included. (see also HAS_POLL)
4591 #$i_poll I_POLL /**/
4594 * This symbol, if defined, indicates that <prot.h> exists and
4595 * should be included.
4597 #$i_prot I_PROT /**/
4600 * This symbol, if defined, indicates that <quadmath.h> exists and
4601 * should be included.
4603 #$i_quadmath I_QUADMATH /**/
4606 * This symbol, if defined, indicates that <shadow.h> exists and
4607 * should be included.
4609 #$i_shadow I_SHADOW /**/
4612 * This symbol, if defined, indicates that <socks.h> exists and
4613 * should be included.
4615 #$i_socks I_SOCKS /**/
4618 * This symbol, if defined, indicates that <stdbool.h> exists and
4621 #$i_stdbool I_STDBOOL /**/
4624 * This symbol, if defined, indicates that <stdint.h> exists and
4625 * should be included.
4627 #$i_stdint I_STDINT /**/
4630 * This symbol, if defined, indicates that <sunmath.h> exists and
4631 * should be included.
4633 #$i_sunmath I_SUNMATH /**/
4636 * This symbol, if defined, indicates that <syslog.h> exists and
4637 * should be included.
4639 #$i_syslog I_SYSLOG /**/
4642 * This symbol, if defined, indicates that <sys/mode.h> exists and
4643 * should be included.
4645 #$i_sysmode I_SYSMODE /**/
4648 * This symbol, if defined, indicates that <sys/utsname.h> exists and
4649 * should be included.
4651 #$i_sysutsname I_SYSUTSNAME /**/
4654 * This symbol, if defined, is a comma-separated list of
4655 * hexadecimal bytes for the double precision infinity.
4658 * This symbol, if defined, is a comma-separated list of
4659 * hexadecimal bytes (0xHH) for the double precision not-a-number.
4662 * This symbol, if defined, is a comma-separated list of
4663 * hexadecimal bytes for the long double precision infinity.
4666 * This symbol, if defined, is a comma-separated list of
4667 * hexadecimal bytes (0xHH) for the long double precision not-a-number.
4669 #define DOUBLEINFBYTES $doubleinfbytes /**/
4670 #define DOUBLENANBYTES $doublenanbytes /**/
4671 #define LONGDBLINFBYTES $longdblinfbytes /**/
4672 #define LONGDBLNANBYTES $longdblnanbytes /**/
4675 * This symbol, if defined, contains the string used by stdio to
4676 * format long doubles (format 'f') for output.
4679 * This symbol, if defined, contains the string used by stdio to
4680 * format long doubles (format 'g') for output.
4683 * This symbol, if defined, contains the string used by stdio to
4684 * format long doubles (format 'e') for output.
4687 * This symbol, if defined, contains the string used by stdio to
4688 * format long doubles (format 'f') for input.
4691 * DOUBLEKIND will be one of
4692 * DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
4693 * DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
4694 * DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
4695 * DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
4696 * DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
4697 * DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
4698 * DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
4699 * DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
4700 * DOUBLE_IS_UNKNOWN_FORMAT
4702 #define DOUBLEKIND $doublekind /**/
4703 #define DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN 1
4704 #define DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN 2
4705 #define DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN 3
4706 #define DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN 4
4707 #define DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN 5
4708 #define DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN 6
4709 #define DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE 7
4710 #define DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE 8
4711 #define DOUBLE_IS_UNKNOWN_FORMAT -1
4712 #$d_PRIfldbl PERL_PRIfldbl $sPRIfldbl /**/
4713 #$d_PRIgldbl PERL_PRIgldbl $sPRIgldbl /**/
4714 #$d_PRIeldbl PERL_PRIeldbl $sPRIeldbl /**/
4715 #$d_SCNfldbl PERL_SCNfldbl $sSCNfldbl /**/
4718 * This symbol, if defined, tells how many mantissa bits
4719 * there are in double precision floating point format.
4720 * Note that this is usually DBL_MANT_DIG minus one, since
4721 * with the standard IEEE 754 formats DBL_MANT_DIG includes
4722 * the implicit bit, which doesn't really exist.
4725 * This symbol, if defined, tells how many mantissa bits
4726 * there are in long double precision floating point format.
4727 * Note that this can be LDBL_MANT_DIG minus one,
4728 * since LDBL_MANT_DIG can include the IEEE 754 implicit bit.
4729 * The common x86-style 80-bit long double does not have
4733 * This symbol, if defined, tells how many mantissa bits
4734 * (not including implicit bit) there are in a Perl NV.
4735 * This depends on which floating point type was chosen.
4737 #define DOUBLEMANTBITS $doublemantbits
4738 #define LONGDBLMANTBITS $longdblmantbits
4739 #define NVMANTBITS $nvmantbits
4742 * This symbol, if defined, indicates that the system stores
4743 * the variable argument list datatype, va_list, in a format
4744 * that cannot be copied by simple assignment, so that some
4745 * other means must be used when copying is required.
4746 * As such systems vary in their provision (or non-provision)
4747 * of copying mechanisms, handy.h defines a platform-
4748 * independent macro, Perl_va_copy(src, dst), to do the job.
4750 #$need_va_copy NEED_VA_COPY /**/
4753 * This symbol defines the C type used for Perl's IV.
4756 * This symbol defines the C type used for Perl's UV.
4759 * This symbol defines the C type used for Perl's I8.
4762 * This symbol defines the C type used for Perl's U8.
4765 * This symbol defines the C type used for Perl's I16.
4768 * This symbol defines the C type used for Perl's U16.
4771 * This symbol defines the C type used for Perl's I32.
4774 * This symbol defines the C type used for Perl's U32.
4777 * This symbol defines the C type used for Perl's I64.
4780 * This symbol defines the C type used for Perl's U64.
4783 * This symbol defines the C type used for Perl's NV.
4786 * This symbol contains the sizeof(IV).
4789 * This symbol contains the sizeof(UV).
4792 * This symbol contains the sizeof(I8).
4795 * This symbol contains the sizeof(U8).
4798 * This symbol contains the sizeof(I16).
4801 * This symbol contains the sizeof(U16).
4804 * This symbol contains the sizeof(I32).
4807 * This symbol contains the sizeof(U32).
4810 * This symbol contains the sizeof(I64).
4813 * This symbol contains the sizeof(U64).
4816 * This symbol contains the sizeof(NV).
4817 * Note that some floating point formats have unused bytes.
4818 * The most notable example is the x86* 80-bit extended precision
4819 * which comes in byte sizes of 12 and 16 (for 32 and 64 bit
4820 * platforms, respectively), but which only uses 10 bytes.
4821 * Perl compiled with -Duselongdouble on x86* is like this.
4824 * This symbol, if defined, indicates that a variable of type NVTYPE
4825 * can preserve all the bits of a variable of type UVTYPE.
4827 /* NV_PRESERVES_UV_BITS:
4828 * This symbol contains the number of bits a variable of type NVTYPE
4829 * can preserve of a variable of type UVTYPE.
4831 /* NV_OVERFLOWS_INTEGERS_AT:
4832 * This symbol gives the largest integer value that NVs can hold. This
4833 * value + 1.0 cannot be stored accurately. It is expressed as constant
4834 * floating point expression to reduce the chance of decimal/binary
4835 * conversion issues. If it can not be determined, the value 0 is given.
4837 /* NV_ZERO_IS_ALLBITS_ZERO:
4838 * This symbol, if defined, indicates that a variable of type NVTYPE
4839 * stores 0.0 in memory as all bits zero.
4841 #define IVTYPE $ivtype /**/
4842 #define UVTYPE $uvtype /**/
4843 #define I8TYPE $i8type /**/
4844 #define U8TYPE $u8type /**/
4845 #define I16TYPE $i16type /**/
4846 #define U16TYPE $u16type /**/
4847 #define I32TYPE $i32type /**/
4848 #define U32TYPE $u32type /**/
4850 #define I64TYPE $i64type /**/
4851 #define U64TYPE $u64type /**/
4853 #define NVTYPE $nvtype /**/
4854 #define IVSIZE $ivsize /**/
4855 #define UVSIZE $uvsize /**/
4856 #define I8SIZE $i8size /**/
4857 #define U8SIZE $u8size /**/
4858 #define I16SIZE $i16size /**/
4859 #define U16SIZE $u16size /**/
4860 #define I32SIZE $i32size /**/
4861 #define U32SIZE $u32size /**/
4863 #define I64SIZE $i64size /**/
4864 #define U64SIZE $u64size /**/
4866 #define NVSIZE $nvsize /**/
4867 #$d_nv_preserves_uv NV_PRESERVES_UV
4868 #define NV_PRESERVES_UV_BITS $nv_preserves_uv_bits
4869 #define NV_OVERFLOWS_INTEGERS_AT $nv_overflows_integers_at
4870 #$d_nv_zero_is_allbits_zero NV_ZERO_IS_ALLBITS_ZERO
4873 # if BYTEORDER == 0x1234
4875 # define BYTEORDER 0x12345678
4877 # if BYTEORDER == 0x4321
4879 # define BYTEORDER 0x87654321
4886 * This symbol defines the format string used for printing a Perl IV
4887 * as a signed decimal integer.
4890 * This symbol defines the format string used for printing a Perl UV
4891 * as an unsigned decimal integer.
4894 * This symbol defines the format string used for printing a Perl UV
4895 * as an unsigned octal integer.
4898 * This symbol defines the format string used for printing a Perl UV
4899 * as an unsigned hexadecimal integer in lowercase abcdef.
4902 * This symbol defines the format string used for printing a Perl UV
4903 * as an unsigned hexadecimal integer in uppercase ABCDEF.
4906 * This symbol defines the format string used for printing a Perl NV
4907 * using %e-ish floating point format.
4910 * This symbol defines the format string used for printing a Perl NV
4911 * using %f-ish floating point format.
4914 * This symbol defines the format string used for printing a Perl NV
4915 * using %g-ish floating point format.
4917 #define IVdf $ivdformat /**/
4918 #define UVuf $uvuformat /**/
4919 #define UVof $uvoformat /**/
4920 #define UVxf $uvxformat /**/
4921 #define UVXf $uvXUformat /**/
4922 #define NVef $nveformat /**/
4923 #define NVff $nvfformat /**/
4924 #define NVgf $nvgformat /**/
4927 * This symbol holds the minimum number of bits operated by select.
4928 * That is, if you do select(n, ...), how many bits at least will be
4929 * cleared in the masks if some activity is detected. Usually this
4930 * is either n or 32*ceil(n/32), especially many little-endians do
4931 * the latter. This is only useful if you have select(), naturally.
4933 #define SELECT_MIN_BITS $selectminbits /**/
4936 * This variable contains the size of struct stat's st_ino in bytes.
4939 * This symbol holds the signedness of struct stat's st_ino.
4940 * 1 for unsigned, -1 for signed.
4942 #define ST_INO_SIGN $st_ino_sign /* st_ino sign */
4943 #define ST_INO_SIZE $st_ino_size /* st_ino size */
4946 * This variable contains the string to put in front of a perl
4947 * script to make sure (one hopes) that it runs with perl and not
4950 #define STARTPERL "$startperl" /**/
4952 /* HAS_STDIO_STREAM_ARRAY:
4953 * This symbol, if defined, tells that there is an array
4954 * holding the stdio streams.
4956 /* STDIO_STREAM_ARRAY:
4957 * This symbol tells the name of the array holding the stdio streams.
4958 * Usual values include _iob, __iob, and __sF.
4960 #$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY /**/
4961 #ifdef HAS_STDIO_STREAM_ARRAY
4962 #define STDIO_STREAM_ARRAY $stdio_stream_array
4966 * This symbol contains the maximum value for the time_t offset that
4967 * the system function gmtime () accepts, and defaults to 0
4970 * This symbol contains the minimum value for the time_t offset that
4971 * the system function gmtime () accepts, and defaults to 0
4974 * This symbol contains the maximum value for the time_t offset that
4975 * the system function localtime () accepts, and defaults to 0
4978 * This symbol contains the minimum value for the time_t offset that
4979 * the system function localtime () accepts, and defaults to 0
4981 #define GMTIME_MAX $sGMTIME_max /**/
4982 #define GMTIME_MIN $sGMTIME_min /**/
4983 #define LOCALTIME_MAX $sLOCALTIME_max /**/
4984 #define LOCALTIME_MIN $sLOCALTIME_min /**/
4987 * This symbol, if defined, indicates that 64-bit integers should
4988 * be used when available. If not defined, the native integers
4989 * will be employed (be they 32 or 64 bits). The minimal possible
4990 * 64-bitness is used, just enough to get 64-bit integers into Perl.
4991 * This may mean using for example "long longs", while your memory
4992 * may still be limited to 2 gigabytes.
4995 * This symbol, if defined, indicates that 64-bit integers should
4996 * be used when available. If not defined, the native integers
4997 * will be used (be they 32 or 64 bits). The maximal possible
4998 * 64-bitness is employed: LP64 or ILP64, meaning that you will
4999 * be able to use more than 2 gigabytes of memory. This mode is
5000 * even more binary incompatible than USE_64_BIT_INT. You may not
5001 * be able to run the resulting executable in a 32-bit CPU at all or
5002 * you may need at least to reboot your OS to 64-bit mode.
5004 #ifndef USE_64_BIT_INT
5005 #$use64bitint USE_64_BIT_INT /**/
5007 #ifndef USE_64_BIT_ALL
5008 #$use64bitall USE_64_BIT_ALL /**/
5012 * This symbol, if defined, indicates that Perl should
5013 * be built with support for backtrace.
5015 #$usecbacktrace USE_CBACKTRACE /**/
5018 * This symbol, if defined, indicates that Perl should
5019 * be built with support for DTrace.
5021 #$usedtrace USE_DTRACE /**/
5024 * This symbol, if defined, indicates that Perl should
5025 * be built to use 'fast stdio'.
5026 * Defaults to define in Perls 5.8 and earlier, to undef later.
5028 #ifndef USE_FAST_STDIO
5029 #$usefaststdio USE_FAST_STDIO /**/
5032 /* USE_KERN_PROC_PATHNAME:
5033 * This symbol, if defined, indicates that we can use sysctl with
5034 * KERN_PROC_PATHNAME to get a full path for the executable, and hence
5035 * convert $^X to an absolute path.
5037 #$usekernprocpathname USE_KERN_PROC_PATHNAME /**/
5040 * This symbol, if defined, indicates that large file support
5041 * should be used when available.
5043 #ifndef USE_LARGE_FILES
5044 #$uselargefiles USE_LARGE_FILES /**/
5048 * This symbol, if defined, indicates that long doubles should
5049 * be used when available.
5051 #ifndef USE_LONG_DOUBLE
5052 #$uselongdouble USE_LONG_DOUBLE /**/
5056 * This symbol, if defined, indicates that 64-bit interfaces and
5057 * long doubles should be used when available.
5059 #ifndef USE_MORE_BITS
5060 #$usemorebits USE_MORE_BITS /**/
5064 * This symbol, if defined, indicates that Perl should
5065 * be built to use multiplicity.
5067 #ifndef MULTIPLICITY
5068 #$usemultiplicity MULTIPLICITY /**/
5071 /* USE_NSGETEXECUTABLEPATH:
5072 * This symbol, if defined, indicates that we can use _NSGetExecutablePath
5073 * and realpath to get a full path for the executable, and hence convert
5074 * $^X to an absolute path.
5076 #$usensgetexecutablepath USE_NSGETEXECUTABLEPATH /**/
5079 * This symbol, if defined, indicates that the PerlIO abstraction should
5080 * be used throughout. If not defined, stdio should be
5081 * used in a fully backward compatible manner.
5084 #$useperlio USE_PERLIO /**/
5088 * This symbol, if defined, indicates that the quadmath library should
5089 * be used when available.
5091 #ifndef USE_QUADMATH
5092 #$usequadmath USE_QUADMATH /**/
5096 * This symbol, if defined, indicates that Perl should
5097 * be built to use socks.
5100 #$usesocks USE_SOCKS /**/