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-$use64bitint" in
135 cygwin-*|hpux-define)
137 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
140 *) avail_ext="$avail_ext $xxx" ;;
146 case "${i_dbm}${i_rpcsvcdbm}" in
148 case "$osname-$use64bitint" in
149 cygwin-*|hpux-define)
151 *-ldbm*) avail_ext="$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 $xxx" ;;
193 threads|threads/shared)
194 # threads and threads::shared are special cases.
195 # To stop people from asking "Perl 5.8.0 was supposed
196 # to have this new fancy threads implementation but my
197 # perl doesn't have it" and from people trying to
198 # (re)install the threads module using CPAN.pm and
199 # CPAN.pm then offering to reinstall Perl 5.8.0,
200 # the threads.pm and threads/shared.pm will always be
201 # there, croaking informatively ("you need to rebuild
202 # all of Perl with threads, sorry") when threads haven't
205 avail_ext="$avail_ext $xxx"
208 : XXX Do we need a useipcsysv variable here
209 case "${d_msg}${d_sem}${d_shm}" in
210 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
213 *) avail_ext="$avail_ext $xxx"
222 : Now see which nonxs extensions are supported on this system.
223 : For now assume all are.
225 for xxx in $nonxs_extensions ; do
227 *) nonxs_ext="$nonxs_ext $xxx"
239 A number of extensions are supplied with $package. You may choose to
240 compile these extensions for dynamic loading (the default), compile
241 them into the $package executable (static loading), or not include
242 them at all. Answer "none" to include no extensions.
243 Note that DynaLoader is always built and need not be mentioned here.
246 case "$dynamic_ext" in
247 '') dflt="$avail_ext" ;;
248 *) dflt="$dynamic_ext"
249 # Perhaps we are reusing an old out-of-date config.sh.
252 if test X"$dynamic_ext" != X"$avail_ext"; then
254 NOTICE: Your previous config.sh list may be incorrect.
255 The extensions now available to you are
257 but the default list from your previous config.sh is
269 rp="What extensions do you wish to load dynamically?"
272 ?X: Use ' ' so a subsequent Configure will preserve that value.
273 none) dynamic_ext=' ' ;;
274 *) dynamic_ext="$ans" ;;
277 case "$static_ext" in
279 : Exclude those already listed in dynamic linking
281 for xxx in $avail_ext; do
282 case " $dynamic_ext " in
284 *) dflt="$dflt $xxx" ;;
291 *) dflt="$static_ext"
298 rp="What extensions do you wish to load statically?"
301 ?X: Use ' ' so a subsequent Configure will preserve that value.
302 none) static_ext=' ' ;;
303 *) static_ext="$ans" ;;
308 A number of extensions are supplied with $package. Answer "none"
309 to include no extensions.
310 Note that DynaLoader is always built and need not be mentioned here.
313 case "$static_ext" in
314 '') dflt="$avail_ext" ;;
315 *) dflt="$static_ext"
316 # Perhaps we are reusing an old out-of-date config.sh.
319 if test X"$static_ext" != X"$avail_ext"; then
321 NOTICE: Your previous config.sh list may be incorrect.
322 The extensions now available to you are
324 but the default list from your previous config.sh is
333 : Exclude those that are not xs extensions
337 rp="What extensions do you wish to include?"
340 ?X: Use ' ' so a subsequent Configure will preserve that value.
341 none) static_ext=' ' ;;
342 *) static_ext="$ans" ;;
347 # Encode is a special case. If we are building Encode as a static
348 # extension, we need to explicitly list its subextensions as well.
349 # For other nested extensions, this is handled automatically by
350 # the appropriate Makefile.PL.
351 case " $static_ext " in
352 *" Encode "*) # Add the subextensions of Encode
354 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
355 static_ext="$static_ext Encode/$xxx"
361 set X $dynamic_ext $static_ext $nonxs_ext