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 set X $nonxs_extensions
100 nonxs_extensions="$*"
101 set X $known_extensions
103 known_extensions="$*"
106 : Now see which are supported on this system.
107 ?X: avail_ext lists available XS extensions.
109 for xxx in $known_extensions ; do
111 ?X: Handle possible DOS 8.3 filename and case alterations
114 $define) avail_ext="$avail_ext $xxx" ;;
119 $define) avail_ext="$avail_ext $xxx" ;;
122 I18N/Langinfo|i18n_lan)
123 case "$i_langinfo$d_nl_langinfo" in
124 $define$define) avail_ext="$avail_ext $xxx" ;;
130 case "$osname-$use64bitint" in
131 cygwin-*|hpux-define)
133 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
136 *) avail_ext="$avail_ext $xxx" ;;
142 case "${i_dbm}${i_rpcsvcdbm}" in
144 case "$osname-$use64bitint" in
145 cygwin-*|hpux-define)
147 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
150 *) avail_ext="$avail_ext $xxx" ;;
157 true|define|y) avail_ext="$avail_ext $xxx" ;;
162 true|define|y) avail_ext="$avail_ext $xxx" ;;
167 true|$define|y) avail_ext="$avail_ext $xxx" ;;
170 Sys/Syslog|sys/syslog)
171 : XXX syslog requires socket
173 true|$define|y) avail_ext="$avail_ext $xxx" ;;
177 case "$usethreads" in
179 case "$useithreads" in
180 $undef|false|[nN]*) avail_ext="$avail_ext $xxx" ;;
185 : XXX Do we need a useipcsysv variable here
186 case "${d_msg}${d_sem}${d_shm}" in
187 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
190 *) avail_ext="$avail_ext $xxx"
199 : Now see which nonxs extensions are supported on this system.
200 : For now assume all are.
202 for xxx in $nonxs_extensions ; do
204 *) nonxs_ext="$nonxs_ext $xxx"
216 A number of extensions are supplied with $package. You may choose to
217 compile these extensions for dynamic loading (the default), compile
218 them into the $package executable (static loading), or not include
219 them at all. Answer "none" to include no extensions.
220 Note that DynaLoader is always built and need not be mentioned here.
223 case "$dynamic_ext" in
224 '') dflt="$avail_ext" ;;
225 *) dflt="$dynamic_ext"
226 # Perhaps we are reusing an old out-of-date config.sh.
229 if test X"$dynamic_ext" != X"$avail_ext"; then
231 NOTICE: Your previous config.sh list may be incorrect.
232 The extensions now available to you are
234 but the default list from your previous config.sh is
246 rp="What extensions do you wish to load dynamically?"
249 ?X: Use ' ' so a subsequent Configure will preserve that value.
250 none) dynamic_ext=' ' ;;
251 *) dynamic_ext="$ans" ;;
254 case "$static_ext" in
256 : Exclude those already listed in dynamic linking
258 for xxx in $avail_ext; do
259 case " $dynamic_ext " in
261 *) dflt="$dflt $xxx" ;;
268 *) dflt="$static_ext"
275 rp="What extensions do you wish to load statically?"
278 ?X: Use ' ' so a subsequent Configure will preserve that value.
279 none) static_ext=' ' ;;
280 *) static_ext="$ans" ;;
285 A number of extensions are supplied with $package. Answer "none"
286 to include no extensions.
287 Note that DynaLoader is always built and need not be mentioned here.
290 case "$static_ext" in
291 '') dflt="$avail_ext" ;;
292 *) dflt="$static_ext"
293 # Perhaps we are reusing an old out-of-date config.sh.
296 if test X"$static_ext" != X"$avail_ext"; then
298 NOTICE: Your previous config.sh list may be incorrect.
299 The extensions now available to you are
301 but the default list from your previous config.sh is
310 : Exclude those that are not xs extensions
314 rp="What extensions do you wish to include?"
317 ?X: Use ' ' so a subsequent Configure will preserve that value.
318 none) static_ext=' ' ;;
319 *) static_ext="$ans" ;;
324 set X $dynamic_ext $static_ext $nonxs_ext