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 extension
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 echo " $known_extensions $nonxs_extensions" > $$.tmp;
101 if $contains " $this_ext " $$.tmp; then
103 echo "Duplicate directories detected for extension $xxx" >&4;
104 echo "Configure cannot correctly recover from this - shall I abort?" >&4;
113 echo "Ok. Stopping Configure." >&4;
114 echo "Please remove the duplicate directory (e.g. using git clean) and then re-run Configure" >&4;
117 echo "Ok. You will need to correct config.sh before running make." >&4;
119 $ls -1 $xxx > $$.tmp;
120 if $contains "\.xs$" $$.tmp > /dev/null 2>&1; then
121 known_extensions="$known_extensions $this_ext";
122 elif $contains "\.c$" $$.tmp > /dev/null 2>&1; then
123 known_extensions="$known_extensions $this_ext";
124 elif $test -d $xxx; then
125 nonxs_extensions="$nonxs_extensions $this_ext";
136 eval $find_extensions
140 eval $find_extensions
144 eval $find_extensions
145 if $test -d File-Glob; then
148 # Special case: Add in modules that nest beyond the first level.
149 # Currently threads/shared and Hash/Util/FieldHash, since they are
150 # not picked up by the recursive find above (and adding in general
151 # recursive finding breaks SDBM_File/sdbm).
152 # A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash)
153 known_extensions="$known_extensions threads/shared Hash/Util/FieldHash"
155 set X $known_extensions
157 known_extensions=`echo "$*" | tr ' ' $trnl | $sort | tr $trnl ' '`
158 set X $nonxs_extensions
160 nonxs_extensions=`echo "$*" | tr ' ' $trnl | $sort | tr $trnl ' '`
163 : Now see which are supported on this system.
164 ?X: avail_ext lists available XS extensions.
166 for xxx in $known_extensions ; do
168 ?X: Handle possible DOS 8.3 filename and case alterations
171 $define) avail_ext="$avail_ext $xxx" ;;
176 $define) avail_ext="$avail_ext $xxx" ;;
179 I18N/Langinfo|i18n_lan)
180 case "$i_langinfo$d_nl_langinfo" in
181 $define$define) 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 $xxx" ;;
193 case "$osname-$use64bitint" in
196 *-lndbm*) avail_ext="$avail_ext $xxx" ;;
199 *) avail_ext="$avail_ext $xxx" ;;
205 case "${i_dbm}${i_rpcsvcdbm}" in
207 case "$d_cplusplus" in
208 define) ;; # delete as a function name will not work
209 *) case "$osname-$use64bitint" in
212 *-ldbm*) avail_ext="$avail_ext $xxx" ;;
215 *) avail_ext="$avail_ext $xxx" ;;
224 true|define|y) avail_ext="$avail_ext $xxx" ;;
229 true|define|y) avail_ext="$avail_ext $xxx" ;;
234 true|$define|y) avail_ext="$avail_ext $xxx" ;;
237 Sys/Syslog|sys/syslog)
238 : XXX syslog requires socket
240 true|$define|y) avail_ext="$avail_ext $xxx" ;;
244 case "$usethreads" in
246 case "$use5005threads" in
247 $define|true|[yY]*) avail_ext="$avail_ext $xxx" ;;
251 threads|threads/shared)
252 # threads and threads::shared are special cases.
253 # To stop people from asking "Perl 5.8.0 was supposed
254 # to have this new fancy threads implementation but my
255 # perl doesn't have it" and from people trying to
256 # (re)install the threads module using CPAN.pm and
257 # CPAN.pm then offering to reinstall Perl 5.8.0,
258 # the threads.pm and threads/shared.pm will always be
259 # there, croaking informatively ("you need to rebuild
260 # all of Perl with threads, sorry") when threads haven't
263 avail_ext="$avail_ext $xxx"
269 cygwin) avail_ext="$avail_ext $xxx" ;;
272 XS/APItest|xs/apitest)
273 # This is just for testing. Skip it unless we have dynamic loading.
276 $define) avail_ext="$avail_ext $xxx" ;;
279 XS/Typemap|xs/typemap)
280 # This is just for testing. Skip it unless we have dynamic loading.
282 $define) avail_ext="$avail_ext $xxx" ;;
285 *) avail_ext="$avail_ext $xxx"
294 case "$onlyextensions" in
297 echo "You have requested that only certain extensions be included..." >&4
298 for i in $onlyextensions; do
299 case " $avail_ext " in
301 echo "Keeping extension $i."
302 keepextensions="$keepextensions $i"
304 *) echo "Ignoring extension $i." ;;
307 avail_ext="$keepextensions"
311 case "$noextensions" in
314 echo "You have requested that certain extensions be ignored..." >&4
315 for i in $avail_ext; do
316 case " $noextensions " in
317 *" $i "*) echo "Ignoring extension $i." ;;
318 *) echo "Keeping extension $i.";
319 keepextensions="$keepextensions $i"
323 avail_ext="$keepextensions"
327 : Now see which nonxs extensions are supported on this system.
328 : For now assume all are.
330 for xxx in $nonxs_extensions ; do
332 *) nonxs_ext="$nonxs_ext $xxx"
344 A number of extensions are supplied with $package. You may choose to
345 compile these extensions for dynamic loading (the default), compile
346 them into the $package executable (static loading), or not include
347 them at all. Answer "none" to include no extensions.
348 Note that DynaLoader is always built and need not be mentioned here.
351 case "$dynamic_ext" in
353 : Exclude those listed in static_ext
355 for xxx in $avail_ext; do
356 case " $static_ext " in
358 *) dflt="$dflt $xxx" ;;
365 *) dflt="$dynamic_ext"
366 # Perhaps we are reusing an old out-of-date config.sh.
369 if test X"$dynamic_ext" != X"$avail_ext"; then
371 NOTICE: Your previous config.sh list may be incorrect.
372 The extensions now available to you are
374 but the default list from your previous config.sh is
386 rp="What extensions do you wish to load dynamically?"
389 ?X: Use ' ' so a subsequent Configure will preserve that value.
390 none) dynamic_ext=' ' ;;
391 *) dynamic_ext="$ans" ;;
394 case "$static_ext" in
396 : Exclude those already listed in dynamic linking
398 for xxx in $avail_ext; do
399 case " $dynamic_ext " in
401 *) dflt="$dflt $xxx" ;;
408 *) dflt="$static_ext"
415 rp="What extensions do you wish to load statically?"
418 ?X: Use ' ' so a subsequent Configure will preserve that value.
419 none) static_ext=' ' ;;
420 *) static_ext="$ans" ;;
425 A number of extensions are supplied with $package. Answer "none"
426 to include no extensions.
427 Note that DynaLoader is always built and need not be mentioned here.
430 case "$static_ext" in
431 '') dflt="$avail_ext" ;;
432 *) dflt="$static_ext"
433 # Perhaps we are reusing an old out-of-date config.sh.
436 if test X"$static_ext" != X"$avail_ext"; then
438 NOTICE: Your previous config.sh list may be incorrect.
439 The extensions now available to you are
441 but the default list from your previous config.sh is
450 : Exclude those that are not xs extensions
454 rp="What extensions do you wish to include?"
457 ?X: Use ' ' so a subsequent Configure will preserve that value.
458 none) static_ext=' ' ;;
459 *) static_ext="$ans" ;;
464 # Encode is a special case. If we are building Encode as a static
465 # extension, we need to explicitly list its subextensions as well.
466 # For other nested extensions, this is handled automatically by
467 # the appropriate Makefile.PL.
468 case " $static_ext " in
469 *" Encode "*) # Add the subextensions of Encode
471 for xxx in `ls Encode/*/Makefile.PL|awk -F/ '{print $2}'`; do
472 static_ext="$static_ext Encode/$xxx"
478 set X $dynamic_ext $static_ext $nonxs_ext
482 # Sanity check: We require an extension suitable for use with
483 # AnyDBM_File, as well as Fcntl and IO. (Failure to have these
484 # should show up as failures in the test suite, but it's helpful to
485 # catch them now.) The 'extensions' list is normally sorted
486 # alphabetically, so we need to accept either
487 # DB_File ... Fcntl ... IO ....
489 # Fcntl ... NDBM_File ... IO ....
490 case " $extensions" in
491 *"_File "*" Fcntl "*" IO "*) ;; # DB_File
492 *" Fcntl "*"_File "*" IO "*) ;; # GDBM_File
493 *" Fcntl "*" IO "*"_File "*) ;; # NDBM_File
494 *) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4
495 echo "WARNING: The Perl you are building will be quite crippled." >& 4