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/. 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; then
88 if $test -f $xxx/$leaf.xs -o -f $xxx/$leaf.c; then
89 known_extensions="$known_extensions $1$this_ext";
90 elif $test -f $xxx/Makefile.PL; then
91 nonxs_extensions="$nonxs_extensions $1$this_ext";
93 if $test -d $xxx -a $# -lt 10; then
96 eval $find_extensions;
102 $ls -1 $xxx > $$.tmp;
103 if $contains "\.xs$" $$.tmp > /dev/null 2>&1; then
104 known_extensions="$known_extensions $this_ext";
105 elif $contains "\.c$" $$.tmp > /dev/null 2>&1; then
106 known_extensions="$known_extensions $this_ext";
107 elif $test "$this_ext" = "IO/Compress"; then
108 known_extensions="$known_extensions $this_ext";
109 elif $test -d $xxx; then
110 nonxs_extensions="$nonxs_extensions $this_ext";
121 eval $find_extensions
125 eval $find_extensions
129 eval $find_extensions
130 if $test -d File-Glob; then
133 # Special case: Add in modules that nest beyond the first level.
134 # Currently threads/shared and Hash/Util/FieldHash, since they are
135 # not picked up by the recursive find above (and adding in general
136 # recursive finding breaks SDBM_File/sdbm).
137 # A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash)
138 known_extensions="$known_extensions threads/shared Hash/Util/FieldHash"
140 set X $known_extensions
142 known_extensions=`echo "$*" | tr ' ' $trnl | $sort | tr $trnl ' '`
143 set X $nonxs_extensions
145 nonxs_extensions=`echo "$*" | tr ' ' $trnl | $sort | tr $trnl ' '`
148 : Now see which are supported on this system.
149 ?X: avail_ext lists available XS extensions.
151 for xxx in $known_extensions ; do
153 ?X: Handle possible DOS 8.3 filename and case alterations
156 $define) avail_ext="$avail_ext $xxx" ;;
161 $define) avail_ext="$avail_ext $xxx" ;;
164 I18N/Langinfo|i18n_lan)
165 case "$i_langinfo$d_nl_langinfo" in
166 $define$define) avail_ext="$avail_ext $xxx" ;;
170 : XXX Do we need a useipcsysv variable here
171 case "${d_msg}${d_sem}${d_shm}" in
172 *"${define}"*) avail_ext="$avail_ext $xxx" ;;
178 case "$osname-$use64bitint" in
181 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
184 *) avail_ext="$avail_ext $xxx" ;;
190 case "${i_dbm}${i_rpcsvcdbm}" in
192 case "$d_cplusplus" in
193 define) ;; # delete as a function name will not work
194 *) case "$osname-$use64bitint" in
197 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
200 *) avail_ext="$avail_ext $xxx" ;;
209 true|define|y) avail_ext="$avail_ext $xxx" ;;
214 true|define|y) avail_ext="$avail_ext $xxx" ;;
221 beos) ;; # not unless BONE
222 *) avail_ext="$avail_ext $xxx" ;;
227 Sys/Syslog|sys/syslog)
228 : XXX syslog requires socket
230 true|$define|y) avail_ext="$avail_ext $xxx" ;;
234 case "$usethreads" in
236 case "$use5005threads" in
237 $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;;
241 threads|threads/shared)
242 # threads and threads::shared are special cases.
243 # To stop people from asking "Perl 5.8.0 was supposed
244 # to have this new fancy threads implementation but my
245 # perl doesn't have it" and from people trying to
246 # (re)install the threads module using CPAN.pm and
247 # CPAN.pm then offering to reinstall Perl 5.8.0,
248 # the threads.pm and threads/shared.pm will always be
249 # there, croaking informatively ("you need to rebuild
250 # all of Perl with threads, sorry") when threads haven't
253 avail_ext="$avail_ext $xxx"
259 cygwin) avail_ext="$avail_ext $xxx" ;;
262 XS/APItest|xs/apitest)
263 # This is just for testing. Skip it unless we have dynamic loading.
266 $define) avail_ext="$avail_ext $xxx" ;;
269 XS/Typemap|xs/typemap)
270 # This is just for testing. Skip it unless we have dynamic loading.
272 $define) avail_ext="$avail_ext $xxx" ;;
275 *) avail_ext="$avail_ext $xxx"
284 case "$onlyextensions" in
287 echo "You have requested that only certains extensions be included..." >&4
288 for i in $onlyextensions; do
289 case " $avail_ext " in
291 echo "Keeping extension $i."
292 keepextensions="$keepextensions $i"
294 *) echo "Ignoring extension $i." ;;
297 avail_ext="$keepextensions"
301 case "$noextensions" in
304 echo "You have requested that certain extensions be ignored..." >&4
305 for i in $avail_ext; do
306 case " $noextensions " in
307 *" $i "*) echo "Ignoring extension $i." ;;
308 *) echo "Keeping extension $i.";
309 keepextensions="$keepextensions $i"
313 avail_ext="$keepextensions"
317 : Now see which nonxs extensions are supported on this system.
318 : For now assume all are.
320 for xxx in $nonxs_extensions ; do
322 *) nonxs_ext="$nonxs_ext $xxx"
334 A number of extensions are supplied with $package. You may choose to
335 compile these extensions for dynamic loading (the default), compile
336 them into the $package executable (static loading), or not include
337 them at all. Answer "none" to include no extensions.
338 Note that DynaLoader is always built and need not be mentioned here.
341 case "$dynamic_ext" in
343 : Exclude those listed in static_ext
345 for xxx in $avail_ext; do
346 case " $static_ext " in
348 *) dflt="$dflt $xxx" ;;
355 *) dflt="$dynamic_ext"
356 # Perhaps we are reusing an old out-of-date config.sh.
359 if test X"$dynamic_ext" != X"$avail_ext"; then
361 NOTICE: Your previous config.sh list may be incorrect.
362 The extensions now available to you are
364 but the default list from your previous config.sh is
376 rp="What extensions do you wish to load dynamically?"
379 ?X: Use ' ' so a subsequent Configure will preserve that value.
380 none) dynamic_ext=' ' ;;
381 *) dynamic_ext="$ans" ;;
384 case "$static_ext" in
386 : Exclude those already listed in dynamic linking
388 for xxx in $avail_ext; do
389 case " $dynamic_ext " in
391 *) dflt="$dflt $xxx" ;;
398 *) dflt="$static_ext"
405 rp="What extensions do you wish to load statically?"
408 ?X: Use ' ' so a subsequent Configure will preserve that value.
409 none) static_ext=' ' ;;
410 *) static_ext="$ans" ;;
415 A number of extensions are supplied with $package. Answer "none"
416 to include no extensions.
417 Note that DynaLoader is always built and need not be mentioned here.
420 case "$static_ext" in
421 '') dflt="$avail_ext" ;;
422 *) dflt="$static_ext"
423 # Perhaps we are reusing an old out-of-date config.sh.
426 if test X"$static_ext" != X"$avail_ext"; then
428 NOTICE: Your previous config.sh list may be incorrect.
429 The extensions now available to you are
431 but the default list from your previous config.sh is
440 : Exclude those that are not xs extensions
444 rp="What extensions do you wish to include?"
447 ?X: Use ' ' so a subsequent Configure will preserve that value.
448 none) static_ext=' ' ;;
449 *) static_ext="$ans" ;;
454 # Encode is a special case. If we are building Encode as a static
455 # extension, we need to explicitly list its subextensions as well.
456 # For other nested extensions, this is handled automatically by
457 # the appropriate Makefile.PL.
458 case " $static_ext " in
459 *" Encode "*) # Add the subextensions of Encode
461 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
462 static_ext="$static_ext Encode/$xxx"
468 set X $dynamic_ext $static_ext $nonxs_ext
472 # Sanity check: We require an extension suitable for use with
473 # AnyDBM_File, as well as Fcntl and IO. (Failure to have these
474 # should show up as failures in the test suite, but it's helpful to
475 # catch them now.) The 'extensions' list is normally sorted
476 # alphabetically, so we need to accept either
477 # DB_File ... Fcntl ... IO ....
479 # Fcntl ... NDBM_File ... IO ....
480 case " $extensions" in
481 *"_File "*" Fcntl "*" IO "*) ;; # DB_File
482 *" Fcntl "*"_File "*" IO "*) ;; # GDBM_File
483 *" Fcntl "*" IO "*"_File "*) ;; # NDBM_File
484 *) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4
485 echo "WARNING: The Perl you are building will be quite crippled." >& 4