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 d_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 trnl sort
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/.
81 DynaLoader|dynaload) ;;
83 this_ext=`echo $xxx | $sed -e s/-/\\\//g`;
84 leaf=`echo $xxx | $sed -e s/.*-//`;
85 if $test -d File; then
86 if $test -f $xxx/$leaf.xs -o -f $xxx/$leaf.c; then
87 known_extensions="$known_extensions $1$this_ext";
88 elif $test -f $xxx/Makefile.PL; then
89 nonxs_extensions="$nonxs_extensions $1$this_ext";
91 if $test -d $xxx -a $# -lt 10; then
94 eval $find_extensions;
100 $ls -1 $xxx > $$.tmp;
101 if $contains "\.xs$" $$.tmp > /dev/null 2>&1; then
102 known_extensions="$known_extensions $this_ext";
103 elif $contains "\.c$" $$.tmp > /dev/null 2>&1; then
104 known_extensions="$known_extensions $this_ext";
105 elif $test -d $xxx; then
106 nonxs_extensions="$nonxs_extensions $this_ext";
117 eval $find_extensions
121 eval $find_extensions
125 eval $find_extensions
126 if $test -d File-Glob; then
129 # Special case: Add in modules that nest beyond the first level.
130 # Currently threads/shared and Hash/Util/FieldHash, since they are
131 # not picked up by the recursive find above (and adding in general
132 # recursive finding breaks SDBM_File/sdbm).
133 # A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash)
134 known_extensions="$known_extensions threads/shared Hash/Util/FieldHash"
136 set X $known_extensions
138 known_extensions=`echo "$*" | tr ' ' $trnl | $sort | tr $trnl ' '`
139 set X $nonxs_extensions
141 nonxs_extensions=`echo "$*" | tr ' ' $trnl | $sort | tr $trnl ' '`
144 : Now see which are supported on this system.
145 ?X: avail_ext lists available XS extensions.
147 for xxx in $known_extensions ; do
149 ?X: Handle possible DOS 8.3 filename and case alterations
152 $define) avail_ext="$avail_ext $xxx" ;;
157 $define) avail_ext="$avail_ext $xxx" ;;
160 I18N/Langinfo|i18n_lan)
161 case "$i_langinfo$d_nl_langinfo" in
162 $define$define) avail_ext="$avail_ext $xxx" ;;
166 : XXX Do we need a useipcsysv variable here
167 case "${d_msg}${d_sem}${d_shm}" in
168 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
174 case "$osname-$use64bitint" in
177 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
180 *) avail_ext="$avail_ext $xxx" ;;
186 case "${i_dbm}${i_rpcsvcdbm}" in
188 case "$d_cplusplus" in
189 define) ;; # delete as a function name will not work
190 *) case "$osname-$use64bitint" in
193 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
196 *) avail_ext="$avail_ext $xxx" ;;
205 true|define|y) avail_ext="$avail_ext $xxx" ;;
210 true|define|y) avail_ext="$avail_ext $xxx" ;;
217 beos) ;; # not unless BONE
218 *) avail_ext="$avail_ext $xxx" ;;
223 Sys/Syslog|sys/syslog)
224 : XXX syslog requires socket
226 true|$define|y) avail_ext="$avail_ext $xxx" ;;
230 case "$usethreads" in
232 case "$use5005threads" in
233 $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;;
237 threads|threads/shared)
238 # threads and threads::shared are special cases.
239 # To stop people from asking "Perl 5.8.0 was supposed
240 # to have this new fancy threads implementation but my
241 # perl doesn't have it" and from people trying to
242 # (re)install the threads module using CPAN.pm and
243 # CPAN.pm then offering to reinstall Perl 5.8.0,
244 # the threads.pm and threads/shared.pm will always be
245 # there, croaking informatively ("you need to rebuild
246 # all of Perl with threads, sorry") when threads haven't
249 avail_ext="$avail_ext $xxx"
255 cygwin) avail_ext="$avail_ext $xxx" ;;
258 XS/APItest|xs/apitest)
259 # This is just for testing. Skip it unless we have dynamic loading.
262 $define) avail_ext="$avail_ext $xxx" ;;
265 XS/APItest/KeywordRPN|xs/apitest/keywordrpn)
266 # This is just for testing. Skip it unless we have dynamic loading.
269 $define) avail_ext="$avail_ext $xxx" ;;
272 XS/Typemap|xs/typemap)
273 # This is just for testing. Skip it unless we have dynamic loading.
275 $define) avail_ext="$avail_ext $xxx" ;;
278 *) avail_ext="$avail_ext $xxx"
287 case "$onlyextensions" in
290 echo "You have requested that only certains extensions be included..." >&4
291 for i in $onlyextensions; do
292 case " $avail_ext " in
294 echo "Keeping extension $i."
295 keepextensions="$keepextensions $i"
297 *) echo "Ignoring extension $i." ;;
300 avail_ext="$keepextensions"
304 case "$noextensions" in
307 echo "You have requested that certain extensions be ignored..." >&4
308 for i in $avail_ext; do
309 case " $noextensions " in
310 *" $i "*) echo "Ignoring extension $i." ;;
311 *) echo "Keeping extension $i.";
312 keepextensions="$keepextensions $i"
316 avail_ext="$keepextensions"
320 : Now see which nonxs extensions are supported on this system.
321 : For now assume all are.
323 for xxx in $nonxs_extensions ; do
325 *) nonxs_ext="$nonxs_ext $xxx"
337 A number of extensions are supplied with $package. You may choose to
338 compile these extensions for dynamic loading (the default), compile
339 them into the $package executable (static loading), or not include
340 them at all. Answer "none" to include no extensions.
341 Note that DynaLoader is always built and need not be mentioned here.
344 case "$dynamic_ext" in
346 : Exclude those listed in static_ext
348 for xxx in $avail_ext; do
349 case " $static_ext " in
351 *) dflt="$dflt $xxx" ;;
358 *) dflt="$dynamic_ext"
359 # Perhaps we are reusing an old out-of-date config.sh.
362 if test X"$dynamic_ext" != X"$avail_ext"; then
364 NOTICE: Your previous config.sh list may be incorrect.
365 The extensions now available to you are
367 but the default list from your previous config.sh is
379 rp="What extensions do you wish to load dynamically?"
382 ?X: Use ' ' so a subsequent Configure will preserve that value.
383 none) dynamic_ext=' ' ;;
384 *) dynamic_ext="$ans" ;;
387 case "$static_ext" in
389 : Exclude those already listed in dynamic linking
391 for xxx in $avail_ext; do
392 case " $dynamic_ext " in
394 *) dflt="$dflt $xxx" ;;
401 *) dflt="$static_ext"
408 rp="What extensions do you wish to load statically?"
411 ?X: Use ' ' so a subsequent Configure will preserve that value.
412 none) static_ext=' ' ;;
413 *) static_ext="$ans" ;;
418 A number of extensions are supplied with $package. Answer "none"
419 to include no extensions.
420 Note that DynaLoader is always built and need not be mentioned here.
423 case "$static_ext" in
424 '') dflt="$avail_ext" ;;
425 *) dflt="$static_ext"
426 # Perhaps we are reusing an old out-of-date config.sh.
429 if test X"$static_ext" != X"$avail_ext"; then
431 NOTICE: Your previous config.sh list may be incorrect.
432 The extensions now available to you are
434 but the default list from your previous config.sh is
443 : Exclude those that are not xs extensions
447 rp="What extensions do you wish to include?"
450 ?X: Use ' ' so a subsequent Configure will preserve that value.
451 none) static_ext=' ' ;;
452 *) static_ext="$ans" ;;
457 # Encode is a special case. If we are building Encode as a static
458 # extension, we need to explicitly list its subextensions as well.
459 # For other nested extensions, this is handled automatically by
460 # the appropriate Makefile.PL.
461 case " $static_ext " in
462 *" Encode "*) # Add the subextensions of Encode
464 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
465 static_ext="$static_ext Encode/$xxx"
471 set X $dynamic_ext $static_ext $nonxs_ext
475 # Sanity check: We require an extension suitable for use with
476 # AnyDBM_File, as well as Fcntl and IO. (Failure to have these
477 # should show up as failures in the test suite, but it's helpful to
478 # catch them now.) The 'extensions' list is normally sorted
479 # alphabetically, so we need to accept either
480 # DB_File ... Fcntl ... IO ....
482 # Fcntl ... NDBM_File ... IO ....
483 case " $extensions" in
484 *"_File "*" Fcntl "*" IO "*) ;; # DB_File
485 *" Fcntl "*"_File "*" IO "*) ;; # GDBM_File
486 *" Fcntl "*" IO "*"_File "*) ;; # NDBM_File
487 *) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4
488 echo "WARNING: The Perl you are building will be quite crippled." >& 4