1 ?RCS: $Id: Extensions.U,v$
3 ?RCS: Copyright (c) 1996-1998, Andy Dougherty
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.
8 ?RCS: $Log: Extensions.U,v $
10 ?MAKE:known_extensions extensions dynamic_ext static_ext nonxs_ext \
11 useposix useopcode : \
12 Myread hint usedl d_sem d_socket i_db i_dbm i_rpcsvcdbm i_gdbm \
13 i_ndbm usethreads useithreads package test cat rsrc \
14 d_msg d_shm osname use64bitint i_langinfo d_nl_langinfo \
16 ?MAKE: -pick add $@ %<
19 ?S: This variable holds a list of all XS extensions included in
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.
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.
31 ?S: This variable holds a list of all non-xs extensions included
32 ?S: in the package. All of them will be built.
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
37 ?S: and is typically used to test whether a particular extesion
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.
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
54 ?T:xxx avail_ext tdir nonxs_extensions find_extensions
55 ?INIT:: set useposix=false in your hint file to disable the POSIX extension.
57 ?INIT:: set useopcode=false in your hint file to disable the Opcode extension.
60 echo "Looking for extensions..." >&4
61 : If we are using the old config.sh, known_extensions may contain
62 : old or inaccurate or duplicate values.
65 : We do not use find because it might not be available.
66 : We do not just use MANIFEST because the user may have dropped
67 : some additional extensions into the source tree and expect them
70 : Function to recursively find available extensions, ignoring DynaLoader
71 : NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
75 DynaLoader|dynaload) ;;
77 if $test -f $xxx/$xxx.xs; then
78 known_extensions="$known_extensions $1$xxx";
79 elif $test -f $xxx/Makefile.PL; then
80 nonxs_extensions="$nonxs_extensions $1$xxx";
82 if $test -d $xxx -a $# -lt 10; then
85 eval $find_extensions;
98 # Special case: Add in threads/shared since it is not picked up by the
99 # recursive find above (and adding in general recursive finding breaks
100 # SDBM_File/sdbm). A.D. 10/25/2001.
101 known_extensions="$known_extensions threads/shared"
102 set X $nonxs_extensions
104 nonxs_extensions="$*"
105 set X $known_extensions
107 known_extensions="$*"
110 : Now see which are supported on this system.
111 ?X: avail_ext lists available XS extensions.
113 for xxx in $known_extensions ; do
115 ?X: Handle possible DOS 8.3 filename and case alterations
118 $define) avail_ext="$avail_ext $xxx" ;;
123 $define) avail_ext="$avail_ext $xxx" ;;
126 I18N/Langinfo|i18n_lan)
127 case "$i_langinfo$d_nl_langinfo" in
128 $define$define) avail_ext="$avail_ext $xxx" ;;
134 case "$osname-$use64bitint" in
137 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
140 *) avail_ext="$avail_ext $xxx" ;;
146 case "${i_dbm}${i_rpcsvcdbm}" in
148 case "$osname-$use64bitint" in
151 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
154 *) avail_ext="$avail_ext $xxx" ;;
161 true|define|y) avail_ext="$avail_ext $xxx" ;;
166 true|define|y) avail_ext="$avail_ext $xxx" ;;
173 beos) ;; # not unless BONE
174 *) avail_ext="$avail_ext $xxx" ;;
179 Sys/Syslog|sys/syslog)
180 : XXX syslog requires socket
182 true|$define|y) avail_ext="$avail_ext $xxx" ;;
186 case "$usethreads" in
188 case "$useithreads" in
189 $undef|false|[nN]*) avail_ext="$avail_ext $xxx" ;;
193 XS/APItest|xs/apitest)
194 # This is just for testing. Skip it unless we have dynamic loading.
197 $define) avail_ext="$avail_ext $xxx" ;;
200 XS/Typemap|xs/typemap)
201 # This is just for testing. Skip it unless we have dynamic loading.
203 $define) avail_ext="$avail_ext $xxx" ;;
206 threads|threads/shared)
207 # threads and threads::shared are special cases.
208 # To stop people from asking "Perl 5.8.0 was supposed
209 # to have this new fancy threads implementation but my
210 # perl doesn't have it" and from people trying to
211 # (re)install the threads module using CPAN.pm and
212 # CPAN.pm then offering to reinstall Perl 5.8.0,
213 # the threads.pm and threads/shared.pm will always be
214 # there, croaking informatively ("you need to rebuild
215 # all of Perl with threads, sorry") when threads haven't
218 avail_ext="$avail_ext $xxx"
221 : XXX Do we need a useipcsysv variable here
222 case "${d_msg}${d_sem}${d_shm}" in
223 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
226 *) avail_ext="$avail_ext $xxx"
235 : Now see which nonxs extensions are supported on this system.
236 : For now assume all are.
238 for xxx in $nonxs_extensions ; do
240 *) nonxs_ext="$nonxs_ext $xxx"
252 A number of extensions are supplied with $package. You may choose to
253 compile these extensions for dynamic loading (the default), compile
254 them into the $package executable (static loading), or not include
255 them at all. Answer "none" to include no extensions.
256 Note that DynaLoader is always built and need not be mentioned here.
259 case "$dynamic_ext" in
261 : Exclude those listed in static_ext
263 for xxx in $avail_ext; do
264 case " $static_ext " in
266 *) dflt="$dflt $xxx" ;;
273 *) dflt="$dynamic_ext"
274 # Perhaps we are reusing an old out-of-date config.sh.
277 if test X"$dynamic_ext" != X"$avail_ext"; then
279 NOTICE: Your previous config.sh list may be incorrect.
280 The extensions now available to you are
282 but the default list from your previous config.sh is
294 rp="What extensions do you wish to load dynamically?"
297 ?X: Use ' ' so a subsequent Configure will preserve that value.
298 none) dynamic_ext=' ' ;;
299 *) dynamic_ext="$ans" ;;
302 case "$static_ext" in
304 : Exclude those already listed in dynamic linking
306 for xxx in $avail_ext; do
307 case " $dynamic_ext " in
309 *) dflt="$dflt $xxx" ;;
316 *) dflt="$static_ext"
323 rp="What extensions do you wish to load statically?"
326 ?X: Use ' ' so a subsequent Configure will preserve that value.
327 none) static_ext=' ' ;;
328 *) static_ext="$ans" ;;
333 A number of extensions are supplied with $package. Answer "none"
334 to include no extensions.
335 Note that DynaLoader is always built and need not be mentioned here.
338 case "$static_ext" in
339 '') dflt="$avail_ext" ;;
340 *) dflt="$static_ext"
341 # Perhaps we are reusing an old out-of-date config.sh.
344 if test X"$static_ext" != X"$avail_ext"; then
346 NOTICE: Your previous config.sh list may be incorrect.
347 The extensions now available to you are
349 but the default list from your previous config.sh is
358 : Exclude those that are not xs extensions
362 rp="What extensions do you wish to include?"
365 ?X: Use ' ' so a subsequent Configure will preserve that value.
366 none) static_ext=' ' ;;
367 *) static_ext="$ans" ;;
372 # Encode is a special case. If we are building Encode as a static
373 # extension, we need to explicitly list its subextensions as well.
374 # For other nested extensions, this is handled automatically by
375 # the appropriate Makefile.PL.
376 case " $static_ext " in
377 *" Encode "*) # Add the subextensions of Encode
379 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
380 static_ext="$static_ext Encode/$xxx"
386 set X $dynamic_ext $static_ext $nonxs_ext