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959f3c4c JH |
1 | ?RCS: $Id: Extensions.U,v$ |
2 | ?RCS: | |
3 | ?RCS: Copyright (c) 1996-1998, Andy Dougherty | |
4 | ?RCS: | |
5 | ?RCS: You may distribute under the terms of either the GNU General Public | |
6 | ?RCS: License or the Artistic License, as specified in the README file. | |
7 | ?RCS: | |
8 | ?RCS: $Log: Extensions.U,v $ | |
9 | ?RCS: | |
10 | ?MAKE:known_extensions extensions dynamic_ext static_ext nonxs_ext \ | |
11 | useposix useopcode : \ | |
3c64a580 | 12 | Myread hint usedl d_sem d_socket i_db i_dbm i_rpcsvcdbm i_gdbm \ |
50dd2a3c | 13 | i_ndbm usethreads use5005threads package test cat rsrc \ |
d0abe53c | 14 | d_msg d_shm osname use64bitint i_langinfo d_nl_langinfo \ |
a0e4e5e9 | 15 | libs d_cplusplus |
959f3c4c JH |
16 | ?MAKE: -pick add $@ %< |
17 | ?Y:BOTTOM | |
18 | ?S:known_extensions: | |
3c64a580 | 19 | ?S: This variable holds a list of all XS extensions included in |
959f3c4c JH |
20 | ?S: the package. |
21 | ?S:. | |
22 | ?S:dynamic_ext: | |
23 | ?S: This variable holds a list of XS extension files we want to | |
24 | ?S: link dynamically into the package. It is used by Makefile. | |
25 | ?S:. | |
26 | ?S:static_ext: | |
27 | ?S: This variable holds a list of XS extension files we want to | |
28 | ?S: link statically into the package. It is used by Makefile. | |
29 | ?S:. | |
30 | ?S:nonxs_ext: | |
31 | ?S: This variable holds a list of all non-xs extensions included | |
32 | ?S: in the package. All of them will be built. | |
33 | ?S:. | |
34 | ?S:extensions: | |
35 | ?S: This variable holds a list of all extension files (both XS and | |
36 | ?S: non-xs linked into the package. It is propagated to Config.pm | |
3c64a580 | 37 | ?S: and is typically used to test whether a particular extesion |
959f3c4c JH |
38 | ?S: is available. |
39 | ?S:. | |
40 | ?S:useposix: | |
41 | ?S: This variable holds either 'true' or 'false' to indicate | |
42 | ?S: whether the POSIX extension should be used. The sole | |
43 | ?S: use for this currently is to allow an easy mechanism | |
44 | ?S: for hints files to indicate that POSIX will not compile | |
45 | ?S: on a particular system. | |
46 | ?S:. | |
47 | ?S:useopcode: | |
48 | ?S: This variable holds either 'true' or 'false' to indicate | |
49 | ?S: whether the Opcode extension should be used. The sole | |
50 | ?S: use for this currently is to allow an easy mechanism | |
51 | ?S: for users to skip the Opcode extension from the Configure | |
52 | ?S: command line. | |
53 | ?S:. | |
54 | ?T:xxx avail_ext tdir nonxs_extensions find_extensions | |
55 | ?INIT:: set useposix=false in your hint file to disable the POSIX extension. | |
56 | ?INIT:useposix=true | |
57 | ?INIT:: set useopcode=false in your hint file to disable the Opcode extension. | |
58 | ?INIT:useopcode=true | |
3ae30915 JH |
59 | ?LINT:extern noextensions |
60 | ?LINT:extern onlyextensions | |
946dea48 | 61 | ?T:keepextensions i |
d7a2632b | 62 | : Check extensions |
959f3c4c JH |
63 | echo " " |
64 | echo "Looking for extensions..." >&4 | |
65 | : If we are using the old config.sh, known_extensions may contain | |
66 | : old or inaccurate or duplicate values. | |
67 | known_extensions='' | |
68 | nonxs_extensions='' | |
69 | : We do not use find because it might not be available. | |
70 | : We do not just use MANIFEST because the user may have dropped | |
71 | : some additional extensions into the source tree and expect them | |
72 | : to be built. | |
73 | ||
74 | : Function to recursively find available extensions, ignoring DynaLoader | |
75 | : NOTE: recursion limit of 10 to prevent runaway in case of symlink madness | |
76 | find_extensions=' | |
77 | for xxx in *; do | |
ba5f32a3 MB |
78 | case "$xxx" in |
79 | DynaLoader|dynaload) ;; | |
80 | *) | |
1d5a8f63 | 81 | if $test -f $xxx/$xxx.xs -o -f $xxx/$xxx.c; then |
ba5f32a3 MB |
82 | known_extensions="$known_extensions $1$xxx"; |
83 | elif $test -f $xxx/Makefile.PL; then | |
84 | nonxs_extensions="$nonxs_extensions $1$xxx"; | |
85 | else | |
86 | if $test -d $xxx -a $# -lt 10; then | |
87 | set $1$xxx/ $*; | |
88 | cd "$xxx"; | |
89 | eval $find_extensions; | |
90 | cd ..; | |
91 | shift; | |
92 | fi; | |
93 | fi | |
94 | ;; | |
95 | esac; | |
959f3c4c JH |
96 | done' |
97 | tdir=`pwd` | |
3720fc47 | 98 | cd "$rsrc/ext" |
86a2f2c4 | 99 | set X |
959f3c4c JH |
100 | shift |
101 | eval $find_extensions | |
cb6ac979 AG |
102 | # Special case: Add in modules that nest beyond the first level. |
103 | # Currently threads/shared and Hash/Util/FieldHash, since they are | |
104 | # not picked up by the recursive find above (and adding in general | |
105 | # recursive finding breaks SDBM_File/sdbm). | |
106 | # A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash) | |
107 | known_extensions="$known_extensions threads/shared Hash/Util/FieldHash" | |
959f3c4c JH |
108 | set X $known_extensions |
109 | shift | |
110 | known_extensions="$*" | |
4823dbc4 MB |
111 | set X $nonxs_extensions |
112 | shift | |
113 | nonxs_extensions="$*" | |
3720fc47 | 114 | cd "$tdir" |
959f3c4c JH |
115 | |
116 | : Now see which are supported on this system. | |
117 | ?X: avail_ext lists available XS extensions. | |
118 | avail_ext='' | |
119 | for xxx in $known_extensions ; do | |
120 | case "$xxx" in | |
121 | ?X: Handle possible DOS 8.3 filename and case alterations | |
122 | DB_File|db_file) | |
123 | case "$i_db" in | |
124 | $define) avail_ext="$avail_ext $xxx" ;; | |
125 | esac | |
126 | ;; | |
127 | GDBM_File|gdbm_fil) | |
3c64a580 | 128 | case "$i_gdbm" in |
959f3c4c JH |
129 | $define) avail_ext="$avail_ext $xxx" ;; |
130 | esac | |
131 | ;; | |
dfd712ee | 132 | I18N/Langinfo|i18n_lan) |
3c64a580 | 133 | case "$i_langinfo$d_nl_langinfo" in |
0e5a028f JH |
134 | $define$define) avail_ext="$avail_ext $xxx" ;; |
135 | esac | |
136 | ;; | |
a0e4e5e9 JH |
137 | IPC/SysV|ipc/sysv) |
138 | : XXX Do we need a useipcsysv variable here | |
139 | case "${d_msg}${d_sem}${d_shm}" in | |
140 | *"${define}"*) avail_ext="$avail_ext $xxx" ;; | |
141 | esac | |
142 | ;; | |
959f3c4c JH |
143 | NDBM_File|ndbm_fil) |
144 | case "$i_ndbm" in | |
4ee071c7 | 145 | $define) |
33b2427b | 146 | case "$osname-$use64bitint" in |
2862815c | 147 | hpux-define) |
4ee071c7 JH |
148 | case "$libs" in |
149 | *-lndbm*) avail_ext="$avail_ext $xxx" ;; | |
150 | esac | |
151 | ;; | |
152 | *) avail_ext="$avail_ext $xxx" ;; | |
153 | esac | |
154 | ;; | |
959f3c4c JH |
155 | esac |
156 | ;; | |
3c64a580 | 157 | ODBM_File|odbm_fil) |
959f3c4c | 158 | case "${i_dbm}${i_rpcsvcdbm}" in |
4ee071c7 | 159 | *"${define}"*) |
a0e4e5e9 JH |
160 | case "$d_cplusplus" in |
161 | define) ;; # delete as a function name will not work | |
162 | *) case "$osname-$use64bitint" in | |
163 | hpux-define) | |
164 | case "$libs" in | |
165 | *-ldbm*) avail_ext="$avail_ext $xxx" ;; | |
166 | esac | |
167 | ;; | |
168 | *) avail_ext="$avail_ext $xxx" ;; | |
4ee071c7 JH |
169 | esac |
170 | ;; | |
4ee071c7 JH |
171 | esac |
172 | ;; | |
959f3c4c JH |
173 | esac |
174 | ;; | |
a0e4e5e9 JH |
175 | Opcode|opcode) |
176 | case "$useopcode" in | |
959f3c4c JH |
177 | true|define|y) avail_ext="$avail_ext $xxx" ;; |
178 | esac | |
179 | ;; | |
a0e4e5e9 JH |
180 | POSIX|posix) |
181 | case "$useposix" in | |
959f3c4c JH |
182 | true|define|y) avail_ext="$avail_ext $xxx" ;; |
183 | esac | |
184 | ;; | |
185 | Socket|socket) | |
3c64a580 | 186 | case "$d_socket" in |
625b7e7f JH |
187 | true|$define|y) |
188 | case "$osname" in | |
189 | beos) ;; # not unless BONE | |
190 | *) avail_ext="$avail_ext $xxx" ;; | |
191 | esac | |
192 | ;; | |
959f3c4c JH |
193 | esac |
194 | ;; | |
fa92de3e YST |
195 | Sys/Syslog|sys/syslog) |
196 | : XXX syslog requires socket | |
3c64a580 | 197 | case "$d_socket" in |
fa92de3e YST |
198 | true|$define|y) avail_ext="$avail_ext $xxx" ;; |
199 | esac | |
200 | ;; | |
959f3c4c | 201 | Thread|thread) |
4a2f2b60 JH |
202 | case "$usethreads" in |
203 | true|$define|y) | |
50dd2a3c MB |
204 | case "$use5005threads" in |
205 | $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;; | |
4a2f2b60 | 206 | esac |
80f8756f JH |
207 | esac |
208 | ;; | |
a0e4e5e9 JH |
209 | threads|threads/shared) |
210 | # threads and threads::shared are special cases. | |
211 | # To stop people from asking "Perl 5.8.0 was supposed | |
212 | # to have this new fancy threads implementation but my | |
213 | # perl doesn't have it" and from people trying to | |
214 | # (re)install the threads module using CPAN.pm and | |
215 | # CPAN.pm then offering to reinstall Perl 5.8.0, | |
216 | # the threads.pm and threads/shared.pm will always be | |
217 | # there, croaking informatively ("you need to rebuild | |
218 | # all of Perl with threads, sorry") when threads haven't | |
219 | # been compiled in. | |
220 | # --jhi | |
221 | avail_ext="$avail_ext $xxx" | |
222 | ;; | |
1d5a8f63 | 223 | Win32*) |
2ed3374f JD |
224 | case "$osname" in |
225 | cygwin) avail_ext="$avail_ext $xxx" ;; | |
226 | esac | |
227 | ;; | |
6e939e10 AD |
228 | XS/APItest|xs/apitest) |
229 | # This is just for testing. Skip it unless we have dynamic loading. | |
230 | ||
231 | case "$usedl" in | |
232 | $define) avail_ext="$avail_ext $xxx" ;; | |
233 | esac | |
234 | ;; | |
235 | XS/Typemap|xs/typemap) | |
236 | # This is just for testing. Skip it unless we have dynamic loading. | |
237 | case "$usedl" in | |
238 | $define) avail_ext="$avail_ext $xxx" ;; | |
239 | esac | |
240 | ;; | |
959f3c4c JH |
241 | *) avail_ext="$avail_ext $xxx" |
242 | ;; | |
243 | esac | |
244 | done | |
245 | ||
246 | set X $avail_ext | |
247 | shift | |
248 | avail_ext="$*" | |
249 | ||
3eb2ab03 JH |
250 | case "$onlyextensions" in |
251 | '') ;; | |
252 | *) keepextensions='' | |
253 | echo "You have requested that only certains extensions be included..." >&4 | |
254 | for i in $onlyextensions; do | |
255 | case " $avail_ext " in | |
256 | *" $i "*) | |
257 | echo "Keeping extension $i." | |
258 | keepextensions="$keepextensions $i" | |
259 | ;; | |
260 | *) echo "Ignoring extension $i." ;; | |
261 | esac | |
262 | done | |
263 | avail_ext="$keepextensions" | |
264 | ;; | |
265 | esac | |
266 | ||
267 | case "$noextensions" in | |
268 | '') ;; | |
269 | *) keepextensions='' | |
270 | echo "You have requested that certain extensions be ignored..." >&4 | |
271 | for i in $avail_ext; do | |
0ec877d1 JH |
272 | case " $noextensions " in |
273 | *" $i "*) echo "Ignoring extension $i." ;; | |
3eb2ab03 JH |
274 | *) echo "Keeping extension $i."; |
275 | keepextensions="$keepextensions $i" | |
276 | ;; | |
277 | esac | |
278 | done | |
279 | avail_ext="$keepextensions" | |
280 | ;; | |
281 | esac | |
282 | ||
959f3c4c JH |
283 | : Now see which nonxs extensions are supported on this system. |
284 | : For now assume all are. | |
285 | nonxs_ext='' | |
286 | for xxx in $nonxs_extensions ; do | |
287 | case "$xxx" in | |
288 | *) nonxs_ext="$nonxs_ext $xxx" | |
289 | ;; | |
290 | esac | |
291 | done | |
292 | ||
293 | set X $nonxs_ext | |
294 | shift | |
295 | nonxs_ext="$*" | |
296 | ||
297 | case $usedl in | |
298 | $define) | |
299 | $cat <<EOM | |
300 | A number of extensions are supplied with $package. You may choose to | |
301 | compile these extensions for dynamic loading (the default), compile | |
302 | them into the $package executable (static loading), or not include | |
303 | them at all. Answer "none" to include no extensions. | |
304 | Note that DynaLoader is always built and need not be mentioned here. | |
305 | ||
306 | EOM | |
307 | case "$dynamic_ext" in | |
a7eb1db8 MB |
308 | '') |
309 | : Exclude those listed in static_ext | |
310 | dflt='' | |
311 | for xxx in $avail_ext; do | |
312 | case " $static_ext " in | |
313 | *" $xxx "*) ;; | |
314 | *) dflt="$dflt $xxx" ;; | |
315 | esac | |
316 | done | |
317 | set X $dflt | |
318 | shift | |
319 | dflt="$*" | |
320 | ;; | |
959f3c4c JH |
321 | *) dflt="$dynamic_ext" |
322 | # Perhaps we are reusing an old out-of-date config.sh. | |
323 | case "$hint" in | |
324 | previous) | |
325 | if test X"$dynamic_ext" != X"$avail_ext"; then | |
326 | $cat <<EOM | |
3c64a580 RGS |
327 | NOTICE: Your previous config.sh list may be incorrect. |
328 | The extensions now available to you are | |
959f3c4c JH |
329 | ${avail_ext} |
330 | but the default list from your previous config.sh is | |
3c64a580 | 331 | ${dynamic_ext} |
959f3c4c JH |
332 | |
333 | EOM | |
334 | fi | |
335 | ;; | |
336 | esac | |
337 | ;; | |
338 | esac | |
339 | case "$dflt" in | |
340 | '') dflt=none;; | |
341 | esac | |
342 | rp="What extensions do you wish to load dynamically?" | |
343 | . ./myread | |
344 | case "$ans" in | |
345 | ?X: Use ' ' so a subsequent Configure will preserve that value. | |
346 | none) dynamic_ext=' ' ;; | |
347 | *) dynamic_ext="$ans" ;; | |
348 | esac | |
349 | ||
350 | case "$static_ext" in | |
351 | '') | |
352 | : Exclude those already listed in dynamic linking | |
353 | dflt='' | |
354 | for xxx in $avail_ext; do | |
355 | case " $dynamic_ext " in | |
356 | *" $xxx "*) ;; | |
357 | *) dflt="$dflt $xxx" ;; | |
358 | esac | |
359 | done | |
360 | set X $dflt | |
361 | shift | |
362 | dflt="$*" | |
363 | ;; | |
3c64a580 | 364 | *) dflt="$static_ext" |
959f3c4c JH |
365 | ;; |
366 | esac | |
367 | ||
368 | case "$dflt" in | |
369 | '') dflt=none;; | |
370 | esac | |
371 | rp="What extensions do you wish to load statically?" | |
372 | . ./myread | |
373 | case "$ans" in | |
374 | ?X: Use ' ' so a subsequent Configure will preserve that value. | |
375 | none) static_ext=' ' ;; | |
376 | *) static_ext="$ans" ;; | |
377 | esac | |
378 | ;; | |
379 | *) | |
380 | $cat <<EOM | |
3c64a580 RGS |
381 | A number of extensions are supplied with $package. Answer "none" |
382 | to include no extensions. | |
959f3c4c JH |
383 | Note that DynaLoader is always built and need not be mentioned here. |
384 | ||
385 | EOM | |
386 | case "$static_ext" in | |
387 | '') dflt="$avail_ext" ;; | |
388 | *) dflt="$static_ext" | |
389 | # Perhaps we are reusing an old out-of-date config.sh. | |
390 | case "$hint" in | |
391 | previous) | |
392 | if test X"$static_ext" != X"$avail_ext"; then | |
393 | $cat <<EOM | |
3c64a580 RGS |
394 | NOTICE: Your previous config.sh list may be incorrect. |
395 | The extensions now available to you are | |
959f3c4c JH |
396 | ${avail_ext} |
397 | but the default list from your previous config.sh is | |
3c64a580 | 398 | ${static_ext} |
959f3c4c JH |
399 | |
400 | EOM | |
401 | fi | |
402 | ;; | |
403 | esac | |
404 | ;; | |
405 | esac | |
406 | : Exclude those that are not xs extensions | |
407 | case "$dflt" in | |
408 | '') dflt=none;; | |
409 | esac | |
410 | rp="What extensions do you wish to include?" | |
411 | . ./myread | |
412 | case "$ans" in | |
413 | ?X: Use ' ' so a subsequent Configure will preserve that value. | |
414 | none) static_ext=' ' ;; | |
415 | *) static_ext="$ans" ;; | |
416 | esac | |
417 | ;; | |
418 | esac | |
3c64a580 | 419 | # |
75423307 JH |
420 | # Encode is a special case. If we are building Encode as a static |
421 | # extension, we need to explicitly list its subextensions as well. | |
422 | # For other nested extensions, this is handled automatically by | |
423 | # the appropriate Makefile.PL. | |
424 | case " $static_ext " in | |
425 | *" Encode "*) # Add the subextensions of Encode | |
426 | cd "$rsrc/ext" | |
427 | for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do | |
428 | static_ext="$static_ext Encode/$xxx" | |
429 | done | |
430 | cd "$tdir" | |
431 | ;; | |
432 | esac | |
959f3c4c JH |
433 | |
434 | set X $dynamic_ext $static_ext $nonxs_ext | |
435 | shift | |
436 | extensions="$*" | |
437 | ||
9d9aa0de JH |
438 | # Sanity check: We require an extension suitable for use with |
439 | # AnyDBM_File, as well as Fcntl and IO. (Failure to have these | |
440 | # should show up as failures in the test suite, but it's helpful to | |
441 | # catch them now.) The 'extensions' list is normally sorted | |
442 | # alphabetically, so we need to accept either | |
443 | # DB_File ... Fcntl ... IO .... | |
444 | # or something like | |
445 | # Fcntl ... NDBM_File ... IO .... | |
1af58dcc JH |
446 | case " $extensions" in |
447 | *"_File "*" Fcntl "*" IO "*) ;; # DB_File | |
448 | *" Fcntl "*"_File "*" IO "*) ;; # GDBM_File | |
449 | *" Fcntl "*" IO "*"_File "*) ;; # NDBM_File | |
3ae30915 JH |
450 | *) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4 |
451 | echo "WARNING: The Perl you are building will be quite crippled." >& 4 | |
452 | ;; | |
453 | esac | |
454 |