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 use5005threads 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 this_ext leaf 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.
59 ?LINT:extern noextensions
60 ?LINT:extern onlyextensions
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.
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
74 : Function to recursively find available extensions, ignoring DynaLoader
75 : NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
79 DynaLoader|dynaload) ;;
81 this_ext=`echo $xxx | $sed -e s/-/\\\//g`;
82 leaf=`echo $xxx | $sed -e s/.*-//`;
83 if $test -d File-Glob; then
85 if $test -f $xxx/$leaf.xs -o -f $xxx/$leaf.c; then
86 known_extensions="$known_extensions $this_ext";
87 elif $test -d $xxx; then
88 nonxs_extensions="$nonxs_extensions $this_ext";
91 if $test -f $xxx/$leaf.xs -o -f $xxx/$leaf.c; then
92 known_extensions="$known_extensions $1$this_ext";
93 elif $test -f $xxx/Makefile.PL; then
94 nonxs_extensions="$nonxs_extensions $1$this_ext";
96 if $test -d $xxx -a $# -lt 10; then
99 eval $find_extensions;
112 eval $find_extensions
113 if $test -d File-Glob; then
116 # Special case: Add in modules that nest beyond the first level.
117 # Currently threads/shared and Hash/Util/FieldHash, since they are
118 # not picked up by the recursive find above (and adding in general
119 # recursive finding breaks SDBM_File/sdbm).
120 # A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash)
121 known_extensions="$known_extensions threads/shared Hash/Util/FieldHash"
123 set X $known_extensions
125 known_extensions="$*"
126 set X $nonxs_extensions
128 nonxs_extensions="$*"
131 : Now see which are supported on this system.
132 ?X: avail_ext lists available XS extensions.
134 for xxx in $known_extensions ; do
136 ?X: Handle possible DOS 8.3 filename and case alterations
139 $define) avail_ext="$avail_ext $xxx" ;;
144 $define) avail_ext="$avail_ext $xxx" ;;
147 I18N/Langinfo|i18n_lan)
148 case "$i_langinfo$d_nl_langinfo" in
149 $define$define) avail_ext="$avail_ext $xxx" ;;
153 : XXX Do we need a useipcsysv variable here
154 case "${d_msg}${d_sem}${d_shm}" in
155 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
161 case "$osname-$use64bitint" in
164 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
167 *) avail_ext="$avail_ext $xxx" ;;
173 case "${i_dbm}${i_rpcsvcdbm}" in
175 case "$d_cplusplus" in
176 define) ;; # delete as a function name will not work
177 *) case "$osname-$use64bitint" in
180 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
183 *) avail_ext="$avail_ext $xxx" ;;
192 true|define|y) avail_ext="$avail_ext $xxx" ;;
197 true|define|y) avail_ext="$avail_ext $xxx" ;;
204 beos) ;; # not unless BONE
205 *) avail_ext="$avail_ext $xxx" ;;
210 Sys/Syslog|sys/syslog)
211 : XXX syslog requires socket
213 true|$define|y) avail_ext="$avail_ext $xxx" ;;
217 case "$usethreads" in
219 case "$use5005threads" in
220 $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;;
224 threads|threads/shared)
225 # threads and threads::shared are special cases.
226 # To stop people from asking "Perl 5.8.0 was supposed
227 # to have this new fancy threads implementation but my
228 # perl doesn't have it" and from people trying to
229 # (re)install the threads module using CPAN.pm and
230 # CPAN.pm then offering to reinstall Perl 5.8.0,
231 # the threads.pm and threads/shared.pm will always be
232 # there, croaking informatively ("you need to rebuild
233 # all of Perl with threads, sorry") when threads haven't
236 avail_ext="$avail_ext $xxx"
242 cygwin) avail_ext="$avail_ext $xxx" ;;
245 XS/APItest|xs/apitest)
246 # This is just for testing. Skip it unless we have dynamic loading.
249 $define) avail_ext="$avail_ext $xxx" ;;
252 XS/Typemap|xs/typemap)
253 # This is just for testing. Skip it unless we have dynamic loading.
255 $define) avail_ext="$avail_ext $xxx" ;;
258 *) avail_ext="$avail_ext $xxx"
267 case "$onlyextensions" in
270 echo "You have requested that only certains extensions be included..." >&4
271 for i in $onlyextensions; do
272 case " $avail_ext " in
274 echo "Keeping extension $i."
275 keepextensions="$keepextensions $i"
277 *) echo "Ignoring extension $i." ;;
280 avail_ext="$keepextensions"
284 case "$noextensions" in
287 echo "You have requested that certain extensions be ignored..." >&4
288 for i in $avail_ext; do
289 case " $noextensions " in
290 *" $i "*) echo "Ignoring extension $i." ;;
291 *) echo "Keeping extension $i.";
292 keepextensions="$keepextensions $i"
296 avail_ext="$keepextensions"
300 : Now see which nonxs extensions are supported on this system.
301 : For now assume all are.
303 for xxx in $nonxs_extensions ; do
305 *) nonxs_ext="$nonxs_ext $xxx"
317 A number of extensions are supplied with $package. You may choose to
318 compile these extensions for dynamic loading (the default), compile
319 them into the $package executable (static loading), or not include
320 them at all. Answer "none" to include no extensions.
321 Note that DynaLoader is always built and need not be mentioned here.
324 case "$dynamic_ext" in
326 : Exclude those listed in static_ext
328 for xxx in $avail_ext; do
329 case " $static_ext " in
331 *) dflt="$dflt $xxx" ;;
338 *) dflt="$dynamic_ext"
339 # Perhaps we are reusing an old out-of-date config.sh.
342 if test X"$dynamic_ext" != X"$avail_ext"; then
344 NOTICE: Your previous config.sh list may be incorrect.
345 The extensions now available to you are
347 but the default list from your previous config.sh is
359 rp="What extensions do you wish to load dynamically?"
362 ?X: Use ' ' so a subsequent Configure will preserve that value.
363 none) dynamic_ext=' ' ;;
364 *) dynamic_ext="$ans" ;;
367 case "$static_ext" in
369 : Exclude those already listed in dynamic linking
371 for xxx in $avail_ext; do
372 case " $dynamic_ext " in
374 *) dflt="$dflt $xxx" ;;
381 *) dflt="$static_ext"
388 rp="What extensions do you wish to load statically?"
391 ?X: Use ' ' so a subsequent Configure will preserve that value.
392 none) static_ext=' ' ;;
393 *) static_ext="$ans" ;;
398 A number of extensions are supplied with $package. Answer "none"
399 to include no extensions.
400 Note that DynaLoader is always built and need not be mentioned here.
403 case "$static_ext" in
404 '') dflt="$avail_ext" ;;
405 *) dflt="$static_ext"
406 # Perhaps we are reusing an old out-of-date config.sh.
409 if test X"$static_ext" != X"$avail_ext"; then
411 NOTICE: Your previous config.sh list may be incorrect.
412 The extensions now available to you are
414 but the default list from your previous config.sh is
423 : Exclude those that are not xs extensions
427 rp="What extensions do you wish to include?"
430 ?X: Use ' ' so a subsequent Configure will preserve that value.
431 none) static_ext=' ' ;;
432 *) static_ext="$ans" ;;
437 # Encode is a special case. If we are building Encode as a static
438 # extension, we need to explicitly list its subextensions as well.
439 # For other nested extensions, this is handled automatically by
440 # the appropriate Makefile.PL.
441 case " $static_ext " in
442 *" Encode "*) # Add the subextensions of Encode
444 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
445 static_ext="$static_ext Encode/$xxx"
451 set X $dynamic_ext $static_ext $nonxs_ext
455 # Sanity check: We require an extension suitable for use with
456 # AnyDBM_File, as well as Fcntl and IO. (Failure to have these
457 # should show up as failures in the test suite, but it's helpful to
458 # catch them now.) The 'extensions' list is normally sorted
459 # alphabetically, so we need to accept either
460 # DB_File ... Fcntl ... IO ....
462 # Fcntl ... NDBM_File ... IO ....
463 case " $extensions" in
464 *"_File "*" Fcntl "*" IO "*) ;; # DB_File
465 *" Fcntl "*"_File "*" IO "*) ;; # GDBM_File
466 *" Fcntl "*" IO "*"_File "*) ;; # NDBM_File
467 *) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4
468 echo "WARNING: The Perl you are building will be quite crippled." >& 4