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 \
15 libs d_cplusplus sed ls rm contains
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
76 : In 5.10.1 and later, extensions are stored in directories
77 : like File-Glob instead of the older File/Glob/. In this scheme,
78 : IO-Compress does not appear to be an XS extension, but we want
79 : to install it as one. A.D. 8/2009.
83 DynaLoader|dynaload) ;;
85 this_ext=`echo $xxx | $sed -e s/-/\\\//g`;
86 leaf=`echo $xxx | $sed -e s/.*-//`;
87 if $test -d File-Glob; then
89 if $contains "\.xs$" $$.tmp > /dev/null 2>&1; then
90 known_extensions="$known_extensions $this_ext";
91 elif $contains "\.c$" $$.tmp > /dev/null 2>&1; then
92 known_extensions="$known_extensions $this_ext";
93 elif $test "$this_ext" = "IO/Compress"; then
94 known_extensions="$known_extensions $this_ext";
95 elif $test -d $xxx; then
96 nonxs_extensions="$nonxs_extensions $this_ext";
100 if $test -f $xxx/$leaf.xs -o -f $xxx/$leaf.c; then
101 known_extensions="$known_extensions $1$this_ext";
102 elif $test -f $xxx/Makefile.PL; then
103 nonxs_extensions="$nonxs_extensions $1$this_ext";
105 if $test -d $xxx -a $# -lt 10; then
108 eval $find_extensions;
121 eval $find_extensions
122 if $test -d File-Glob; then
125 # Special case: Add in modules that nest beyond the first level.
126 # Currently threads/shared and Hash/Util/FieldHash, since they are
127 # not picked up by the recursive find above (and adding in general
128 # recursive finding breaks SDBM_File/sdbm).
129 # A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash)
130 known_extensions="$known_extensions threads/shared Hash/Util/FieldHash"
132 set X $known_extensions
134 known_extensions="$*"
135 set X $nonxs_extensions
137 nonxs_extensions="$*"
140 : Now see which are supported on this system.
141 ?X: avail_ext lists available XS extensions.
143 for xxx in $known_extensions ; do
145 ?X: Handle possible DOS 8.3 filename and case alterations
148 $define) avail_ext="$avail_ext $xxx" ;;
153 $define) avail_ext="$avail_ext $xxx" ;;
156 I18N/Langinfo|i18n_lan)
157 case "$i_langinfo$d_nl_langinfo" in
158 $define$define) avail_ext="$avail_ext $xxx" ;;
162 : XXX Do we need a useipcsysv variable here
163 case "${d_msg}${d_sem}${d_shm}" in
164 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
170 case "$osname-$use64bitint" in
173 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
176 *) avail_ext="$avail_ext $xxx" ;;
182 case "${i_dbm}${i_rpcsvcdbm}" in
184 case "$d_cplusplus" in
185 define) ;; # delete as a function name will not work
186 *) case "$osname-$use64bitint" in
189 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
192 *) avail_ext="$avail_ext $xxx" ;;
201 true|define|y) avail_ext="$avail_ext $xxx" ;;
206 true|define|y) avail_ext="$avail_ext $xxx" ;;
213 beos) ;; # not unless BONE
214 *) avail_ext="$avail_ext $xxx" ;;
219 Sys/Syslog|sys/syslog)
220 : XXX syslog requires socket
222 true|$define|y) avail_ext="$avail_ext $xxx" ;;
226 case "$usethreads" in
228 case "$use5005threads" in
229 $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;;
233 threads|threads/shared)
234 # threads and threads::shared are special cases.
235 # To stop people from asking "Perl 5.8.0 was supposed
236 # to have this new fancy threads implementation but my
237 # perl doesn't have it" and from people trying to
238 # (re)install the threads module using CPAN.pm and
239 # CPAN.pm then offering to reinstall Perl 5.8.0,
240 # the threads.pm and threads/shared.pm will always be
241 # there, croaking informatively ("you need to rebuild
242 # all of Perl with threads, sorry") when threads haven't
245 avail_ext="$avail_ext $xxx"
251 cygwin) avail_ext="$avail_ext $xxx" ;;
254 XS/APItest|xs/apitest)
255 # This is just for testing. Skip it unless we have dynamic loading.
258 $define) avail_ext="$avail_ext $xxx" ;;
261 XS/Typemap|xs/typemap)
262 # This is just for testing. Skip it unless we have dynamic loading.
264 $define) avail_ext="$avail_ext $xxx" ;;
267 *) avail_ext="$avail_ext $xxx"
276 case "$onlyextensions" in
279 echo "You have requested that only certains extensions be included..." >&4
280 for i in $onlyextensions; do
281 case " $avail_ext " in
283 echo "Keeping extension $i."
284 keepextensions="$keepextensions $i"
286 *) echo "Ignoring extension $i." ;;
289 avail_ext="$keepextensions"
293 case "$noextensions" in
296 echo "You have requested that certain extensions be ignored..." >&4
297 for i in $avail_ext; do
298 case " $noextensions " in
299 *" $i "*) echo "Ignoring extension $i." ;;
300 *) echo "Keeping extension $i.";
301 keepextensions="$keepextensions $i"
305 avail_ext="$keepextensions"
309 : Now see which nonxs extensions are supported on this system.
310 : For now assume all are.
312 for xxx in $nonxs_extensions ; do
314 *) nonxs_ext="$nonxs_ext $xxx"
326 A number of extensions are supplied with $package. You may choose to
327 compile these extensions for dynamic loading (the default), compile
328 them into the $package executable (static loading), or not include
329 them at all. Answer "none" to include no extensions.
330 Note that DynaLoader is always built and need not be mentioned here.
333 case "$dynamic_ext" in
335 : Exclude those listed in static_ext
337 for xxx in $avail_ext; do
338 case " $static_ext " in
340 *) dflt="$dflt $xxx" ;;
347 *) dflt="$dynamic_ext"
348 # Perhaps we are reusing an old out-of-date config.sh.
351 if test X"$dynamic_ext" != X"$avail_ext"; then
353 NOTICE: Your previous config.sh list may be incorrect.
354 The extensions now available to you are
356 but the default list from your previous config.sh is
368 rp="What extensions do you wish to load dynamically?"
371 ?X: Use ' ' so a subsequent Configure will preserve that value.
372 none) dynamic_ext=' ' ;;
373 *) dynamic_ext="$ans" ;;
376 case "$static_ext" in
378 : Exclude those already listed in dynamic linking
380 for xxx in $avail_ext; do
381 case " $dynamic_ext " in
383 *) dflt="$dflt $xxx" ;;
390 *) dflt="$static_ext"
397 rp="What extensions do you wish to load statically?"
400 ?X: Use ' ' so a subsequent Configure will preserve that value.
401 none) static_ext=' ' ;;
402 *) static_ext="$ans" ;;
407 A number of extensions are supplied with $package. Answer "none"
408 to include no extensions.
409 Note that DynaLoader is always built and need not be mentioned here.
412 case "$static_ext" in
413 '') dflt="$avail_ext" ;;
414 *) dflt="$static_ext"
415 # Perhaps we are reusing an old out-of-date config.sh.
418 if test X"$static_ext" != X"$avail_ext"; then
420 NOTICE: Your previous config.sh list may be incorrect.
421 The extensions now available to you are
423 but the default list from your previous config.sh is
432 : Exclude those that are not xs extensions
436 rp="What extensions do you wish to include?"
439 ?X: Use ' ' so a subsequent Configure will preserve that value.
440 none) static_ext=' ' ;;
441 *) static_ext="$ans" ;;
446 # Encode is a special case. If we are building Encode as a static
447 # extension, we need to explicitly list its subextensions as well.
448 # For other nested extensions, this is handled automatically by
449 # the appropriate Makefile.PL.
450 case " $static_ext " in
451 *" Encode "*) # Add the subextensions of Encode
453 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
454 static_ext="$static_ext Encode/$xxx"
460 set X $dynamic_ext $static_ext $nonxs_ext
464 # Sanity check: We require an extension suitable for use with
465 # AnyDBM_File, as well as Fcntl and IO. (Failure to have these
466 # should show up as failures in the test suite, but it's helpful to
467 # catch them now.) The 'extensions' list is normally sorted
468 # alphabetically, so we need to accept either
469 # DB_File ... Fcntl ... IO ....
471 # Fcntl ... NDBM_File ... IO ....
472 case " $extensions" in
473 *"_File "*" Fcntl "*" IO "*) ;; # DB_File
474 *" Fcntl "*"_File "*" IO "*) ;; # GDBM_File
475 *" Fcntl "*" IO "*"_File "*) ;; # NDBM_File
476 *) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4
477 echo "WARNING: The Perl you are building will be quite crippled." >& 4