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2004-08-07 Andrew Cagney <cagney@gnu.org>
[deliverable/binutils-gdb.git] / configure.in
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1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2# 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
3#
4# This file is free software; you can redistribute it and/or modify it
5# under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 2 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful, but
10# WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12# General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18##############################################################################
19### WARNING: this file contains embedded tabs. Do not run untabify on this file.
20
21sinclude(config/acx.m4)
22
23AC_INIT(move-if-change)
24AC_PREREQ(2.13)
25AC_CANONICAL_SYSTEM
26AC_ARG_PROGRAM
27
28# Get 'install' or 'install-sh' and its variants.
29AC_PROG_INSTALL
30ACX_PROG_LN
31AC_PROG_LN_S
32
33### we might need to use some other shell than /bin/sh for running subshells
34### If we are on Windows, search for the shell. This will permit people
35### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36### without also having to set CONFIG_SHELL. This code will work when
37### using bash, which sets OSTYPE.
38case "${OSTYPE}" in
39*win32*)
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
43 CONFIG_SHELL=${SHELL}
44 export CONFIG_SHELL
45 else
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
48 for dir in $PATH; do
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
52 export CONFIG_SHELL
53 break
54 fi
55 done
56 IFS="$save_ifs"
57 test -n "${CONFIG_SHELL}" && break
58 done
59 fi
60 fi
61 fi
62 ;;
63esac
64
65config_shell=${CONFIG_SHELL-/bin/sh}
66
67progname=$0
68# if PWD already has a value, it is probably wrong.
69if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
70
71# Export original configure arguments for use by sub-configures. These
72# will be expanded by make, so quote '$'.
73tmp="$progname $@"
74sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75$tmp
76EOF_SED
77TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
78rm -f conftestsed.out
79AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
80
81moveifchange=${srcdir}/move-if-change
82
83# Set srcdir to "." if that's what it is.
84# This is important for multilib support.
85pwd=`${PWDCMD-pwd}`
86srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87if test "${pwd}" = "${srcpwd}" ; then
88 srcdir=.
89fi
90
91topsrcdir=$srcpwd
92
93extra_host_args=
94# Define the trigger file to make sure configure will re-run whenever
95# the gcc version number changes.
96if test "${with_gcc_version_trigger+set}" = set ; then
97 gcc_version_trigger="$with_gcc_version_trigger"
98 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
99else
100 # If gcc's sources are available, define the trigger file.
101 if test -f ${topsrcdir}/gcc/version.c ; then
102 gcc_version_trigger=${topsrcdir}/gcc/version.c
103 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
104 case "$ac_configure_args" in
105 *--with-gcc-version-trigger=$gcc_version_trigger* )
106 ;;
107 * )
108 # Add to all subconfigure arguments: build, host, and target.
109 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
110 ;;
111 esac
112 fi
113fi
114
115### To add a new directory to the tree, first choose whether it is a target
116### or a host dependent tool. Then put it into the appropriate list
117### (library or tools, host or target), doing a dependency sort.
118
119# Subdirs will be configured in the order listed in build_configdirs,
120# configdirs, or target_configdirs; see the serialization section below.
121
122# Dependency sorting is only needed when *configuration* must be done in
123# a particular order. In all cases a dependency should be specified in
124# the Makefile, whether or not it's implicitly specified here.
125
126# Double entries in build_configdirs, configdirs, or target_configdirs may
127# cause circular dependencies and break everything horribly.
128
129# these library is used by various programs built for the build
130# environment
131#
132build_libs="build-libiberty"
133
134# these tools are built for the build environment
135build_tools="build-texinfo build-byacc build-flex build-bison build-m4"
136
137# these libraries are used by various programs built for the host environment
138#
139host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
140
141# these tools are built for the host environment
142# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143# know that we are building the simulator.
144# binutils, gas and ld appear in that order because it makes sense to run
145# "make check" in that particular order.
146host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
147
148# libgcj represents the runtime libraries only used by gcj.
149libgcj="target-libffi \
150 target-boehm-gc \
151 target-zlib \
152 target-qthreads \
153 target-libjava"
154
155# these libraries are built for the target environment, and are built after
156# the host libraries and the host tools (which may be a cross compiler)
157#
158target_libraries="target-libiberty \
159 target-libgloss \
160 target-newlib \
161 target-libstdc++-v3 \
162 target-libmudflap \
163 target-libgfortran \
164 ${libgcj} \
165 target-libobjc \
166 target-libada"
167
168# these tools are built using the target libraries, and are intended to
169# run only in the target environment
170#
171# note: any program that *uses* libraries that are in the "target_libraries"
172# list belongs in this list. those programs are also very likely
173# candidates for the "native_only" list which follows
174#
175target_tools="target-examples target-groff target-gperf target-rda"
176
177################################################################################
178
179## All tools belong in one of the four categories, and are assigned above
180## We assign ${configdirs} this way to remove all embedded newlines. This
181## is important because configure will choke if they ever get through.
182## ${configdirs} is directories we build using the host tools.
183## ${target_configdirs} is directories we build using the target tools.
184configdirs=`echo ${host_libs} ${host_tools}`
185target_configdirs=`echo ${target_libraries} ${target_tools}`
186
187# Only make build modules if build != host.
188if test ${host_alias} != ${build_alias} ; then
189 build_configdirs=`echo ${build_libs} ${build_tools}`
190fi
191
192################################################################################
193
194srcname="gnu development package"
195
196# This gets set non-empty for some net releases of packages.
197appdirs=""
198
199# Define is_cross_compiler to save on calls to 'test'.
200is_cross_compiler=
201if test x"${host}" = x"${target}" ; then
202 is_cross_compiler=no
203else
204 is_cross_compiler=yes
205fi
206
207# Find the build and target subdir names.
208GCC_TOPLEV_SUBDIRS
209
210# Skipdirs are removed silently.
211skipdirs=
212# Noconfigdirs are removed loudly.
213noconfigdirs=""
214
215use_gnu_ld=
216# Make sure we don't let GNU ld be added if we didn't want it.
217if test x$with_gnu_ld = xno ; then
218 use_gnu_ld=no
219 noconfigdirs="$noconfigdirs ld"
220fi
221
222use_gnu_as=
223# Make sure we don't let GNU as be added if we didn't want it.
224if test x$with_gnu_as = xno ; then
225 use_gnu_as=no
226 noconfigdirs="$noconfigdirs gas"
227fi
228
229# some tools are so dependent upon X11 that if we're not building with X,
230# it's not even worth trying to configure, much less build, that tool.
231
232case ${with_x} in
233 yes | "") ;; # the default value for this tree is that X11 is available
234 no)
235 skipdirs="${skipdirs} tk tix itcl libgui"
236 # We won't be able to build gdbtk without X.
237 enable_gdbtk=no
238 ;;
239 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
240esac
241
242# Some tools are only suitable for building in a "native" situation.
243# Remove these if host!=target.
244native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
245
246# Similarly, some are only suitable for cross toolchains.
247# Remove these if host=target.
248cross_only="target-libgloss target-newlib target-opcodes"
249
250case $is_cross_compiler in
251 no) skipdirs="${skipdirs} ${cross_only}" ;;
252 yes) skipdirs="${skipdirs} ${native_only}" ;;
253esac
254
255# If both --with-headers and --with-libs are specified, default to
256# --without-newlib.
257if test x"${with_headers}" != x && test x"${with_headers} != xno \
258 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
259 if test x"${with_newlib}" = x ; then
260 with_newlib=no
261 fi
262fi
263
264# Recognize --with-newlib/--without-newlib.
265case ${with_newlib} in
266 no) skipdirs="${skipdirs} target-newlib" ;;
267 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
268esac
269
270# Configure extra directories which are host specific
271
272case "${host}" in
273 *-cygwin*)
274 configdirs="$configdirs libtermcap" ;;
275esac
276
277# Remove more programs from consideration, based on the host or
278# target this usually means that a port of the program doesn't
279# exist yet.
280
281case "${host}" in
282 hppa*64*-*-*)
283 noconfigdirs="$noconfigdirs byacc"
284 ;;
285 i[[3456789]]86-*-vsta)
286 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
287 ;;
288 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
289 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
290 ;;
291 i[[3456789]]86-*-mingw32*)
292 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
293 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
294 ;;
295 i[[3456789]]86-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
297 ;;
298 *-*-cygwin*)
299 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
300 ;;
301 *-*-netbsd*)
302 noconfigdirs="$noconfigdirs rcs"
303 ;;
304 ppc*-*-pe)
305 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
306 ;;
307 powerpc-*-beos*)
308 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
309 ;;
310 *-*-darwin*)
311 noconfigdirs="$noconfigdirs tk itcl tix libgui"
312 ;;
313esac
314
315AC_ARG_WITH(libbanshee,
316[ --without-libbanshee Don't build with libbanshee])
317case ${with_libbanshee} in
318 no)
319 noconfigdirs="$noconfigdirs libbanshee" ;;
320 yes|"")
321 with_libbanshee=yes
322 ;;
323 *)
324 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
325esac
326
327AC_ARG_ENABLE(libada,
328[ --enable-libada Builds libada directory],
329ENABLE_LIBADA=$enableval,
330ENABLE_LIBADA=yes)
331if test "${ENABLE_LIBADA}" != "yes" ; then
332 noconfigdirs="$noconfigdirs target-libada"
333fi
334
335# Save it here so that, even in case of --enable-libgcj, if the Java
336# front-end isn't enabled, we still get libgcj disabled.
337libgcj_saved=$libgcj
338case $enable_libgcj in
339yes)
340 # If we reset it here, it won't get added to noconfigdirs in the
341 # target-specific build rules, so it will be forcibly enabled
342 # (unless the Java language itself isn't enabled).
343 libgcj=
344 ;;
345no)
346 # Make sure we get it printed in the list of not supported target libs.
347 noconfigdirs="$noconfigdirs ${libgcj}"
348 ;;
349esac
350
351
352# Allow --disable-libmudflap to exclude target-libmudflap
353case $enable_libmudflap in
354yes)
355 ;;
356no)
357 noconfigdirs="$noconfigdirs target-libmudflap"
358 ;;
359"")
360 case "${target}" in
361 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
362 # Enable libmudflap by default in GNU and friends.
363 ;;
364 *-*-freebsd*)
365 # Enable libmudflap by default in FreeBSD.
366 ;;
367 *)
368 # Disable it by default everywhere else.
369 noconfigdirs="$noconfigdirs target-libmudflap"
370 ;;
371 esac
372esac
373
374
375case "${target}" in
376 *-*-chorusos)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 ;;
379 powerpc-*-darwin*)
380 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
381 noconfigdirs="$noconfigdirs target-libobjc"
382 ;;
383 *-*-darwin*)
384 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
385 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
386 ;;
387 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
388 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
389 ;;
390 *-*-freebsd* | *-*-kfreebsd*-gnu)
391 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
392 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
393 && test -f /usr/local/include/gmp.h; then
394 with_gmp=/usr/local
395 fi
396
397 # Skip some stuff that's unsupported on some FreeBSD configurations.
398 case "${target}" in
399 i*86-*-*) ;;
400 alpha*-*-*) ;;
401 *)
402 noconfigdirs="$noconfigdirs ${libgcj}"
403 ;;
404 esac
405 ;;
406 *-*-kaos*)
407 # Remove unsupported stuff on all kaOS configurations.
408 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
409 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
410 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
411 noconfigdirs="$noconfigdirs target-libgloss"
412 ;;
413 *-*-netbsd*)
414 # Skip some stuff on all NetBSD configurations.
415 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
416
417 # Skip some stuff that's unsupported on some NetBSD configurations.
418 case "${target}" in
419 i*86-*-netbsdelf*) ;;
420 arm*-*-netbsdelf*) ;;
421 *)
422 noconfigdirs="$noconfigdirs ${libgcj}"
423 ;;
424 esac
425 ;;
426 *-*-netware)
427 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
428 ;;
429 *-*-rtems*)
430 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 ;;
432 *-*-uclinux*)
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
434 ;;
435 *-*-vxworks*)
436 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
437 ;;
438 alpha*-dec-osf*)
439 # ld works, but does not support shared libraries.
440 # newlib is not 64 bit ready. I'm not sure about fileutils.
441 # gas doesn't generate exception information.
442 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
443 ;;
444 alpha*-*-*vms*)
445 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
446 ;;
447 alpha*-*-linux*)
448 # newlib is not 64 bit ready
449 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
450 ;;
451 alpha*-*-*)
452 # newlib is not 64 bit ready
453 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
454 ;;
455 am33_2.0-*-linux*)
456 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
457 ;;
458 sh-*-linux*)
459 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
460 ;;
461 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
462 noconfigdirs="$noconfigdirs ${libgcj}"
463 noconfigdirs="$noconfigdirs target-examples"
464 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
465 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
466 noconfigdirs="$noconfigdirs expect dejagnu"
467 # the C++ libraries don't build on top of CE's C libraries
468 noconfigdirs="$noconfigdirs target-libstdc++-v3"
469 noconfigdirs="$noconfigdirs target-newlib"
470 case "${host}" in
471 *-*-cygwin*) ;; # keep gdb and readline
472 *) noconfigdirs="$noconfigdirs gdb readline"
473 ;;
474 esac
475 ;;
476 arc-*-*)
477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
478 ;;
479 arm-*-coff | strongarm-*-coff | xscale-*-coff)
480 noconfigdirs="$noconfigdirs ${libgcj}"
481 ;;
482 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
483 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
484 ;;
485 arm*-*-symbianelf*)
486 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
487 ;;
488 arm-*-pe*)
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
490 ;;
491 arm-*-oabi*)
492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
493 ;;
494 thumb-*-coff)
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
496 ;;
497 thumb-*-elf)
498 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 ;;
500 thumb-*-oabi)
501 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
502 ;;
503 thumb-*-pe)
504 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
505 ;;
506 arm-*-riscix*)
507 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
508 ;;
509 avr-*-*)
510 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
511 ;;
512 c4x-*-* | tic4x-*-*)
513 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
514 ;;
515 c54x*-*-* | tic54x-*-*)
516 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
517 ;;
518 cris-*-*)
519 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
520 ;;
521 crx-*-*)
522 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
523 ;;
524 d10v-*-*)
525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
526 ;;
527 d30v-*-*)
528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
529 ;;
530 fr30-*-elf*)
531 noconfigdirs="$noconfigdirs ${libgcj} gdb"
532 ;;
533 frv-*-*)
534 noconfigdirs="$noconfigdirs ${libgcj}"
535 ;;
536 h8300*-*-*)
537 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
538 ;;
539 h8500-*-*)
540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
541 ;;
542 hppa*64*-*-linux* | parisc*64*-*-linux*)
543 # In this case, it's because the hppa64-linux target is for
544 # the kernel only at this point and has no libc, and thus no
545 # headers, crt*.o, etc., all of which are needed by these.
546 noconfigdirs="$noconfigdirs target-zlib"
547 ;;
548 hppa*-*-*elf* | \
549 parisc*-*-linux* | hppa*-*-linux* | \
550 hppa*-*-lites* | \
551 hppa*-*-openbsd* | \
552 hppa*64*-*-*)
553 noconfigdirs="$noconfigdirs ${libgcj}"
554 # Do configure ld/binutils/gas for this case.
555 ;;
556 hppa*-*-*)
557 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
558 # build on HP-UX 10.20.
559 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
560 ;;
561 i960-*-*)
562 noconfigdirs="$noconfigdirs ${libgcj} gdb"
563 ;;
564 ia64*-*-elf*)
565 # No gdb support yet.
566 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
567 ;;
568 ia64*-**-hpux*)
569 # No gdb or ld support yet.
570 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
571 ;;
572 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
573 noconfigdirs="$noconfigdirs ${libgcj}"
574 ;;
575 i[[3456789]]86-*-linux*)
576 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
577 # not build java stuff by default.
578 case "${target}" in
579 *-*-*libc1*)
580 noconfigdirs="$noconfigdirs ${libgcj}";;
581 esac
582
583 # This section makes it possible to build newlib natively on linux.
584 # If we are using a cross compiler then don't configure newlib.
585 if test x${is_cross_compiler} != xno ; then
586 noconfigdirs="$noconfigdirs target-newlib"
587 fi
588 noconfigdirs="$noconfigdirs target-libgloss"
589 # If we are not using a cross compiler, do configure newlib.
590 # Note however, that newlib will only be configured in this situation
591 # if the --with-newlib option has been given, because otherwise
592 # 'target-newlib' will appear in skipdirs.
593 ;;
594 i[[3456789]]86-*-mingw32*)
595 target_configdirs="$target_configdirs target-mingw"
596 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
597
598 # Can't build gdb for mingw32 if not native.
599 case "${host}" in
600 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
601 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
602 ;;
603 esac
604 ;;
605 *-*-cygwin*)
606 target_configdirs="$target_configdirs target-libtermcap target-winsup"
607 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
608 # always build newlib if winsup directory is present.
609 if test -d "$srcdir/winsup"
610 then
611 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
612 else
613 echo "Warning: winsup is missing so newlib can't be built."
614 fi
615
616 # Can't build gdb for Cygwin if not native.
617 case "${host}" in
618 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
619 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
620 ;;
621 esac
622 ;;
623 i[[3456789]]86-*-pe)
624 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
625 ;;
626 i[[3456789]]86-*-sco3.2v5*)
627 # The linker does not yet know about weak symbols in COFF,
628 # and is not configured to handle mixed ELF and COFF.
629 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
630 ;;
631 i[[3456789]]86-*-sco*)
632 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
633 ;;
634 i[[3456789]]86-*-solaris2*)
635 noconfigdirs="$noconfigdirs target-libgloss"
636 ;;
637 i[[3456789]]86-*-sysv4*)
638 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
639 ;;
640 i[[3456789]]86-*-beos*)
641 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
642 ;;
643 m32r-*-*)
644 noconfigdirs="$noconfigdirs ${libgcj}"
645 ;;
646 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
647 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
648 ;;
649 m68k-*-elf*)
650 noconfigdirs="$noconfigdirs ${libgcj}"
651 ;;
652 m68k-*-coff*)
653 noconfigdirs="$noconfigdirs ${libgcj}"
654 ;;
655 mcore-*-pe*)
656 # The EPOC C++ environment does not support exceptions or rtti,
657 # and so building libstdc++-v3 tends not to always work.
658 noconfigdirs="$noconfigdirs target-libstdc++-v3"
659 ;;
660 mmix-*-*)
661 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
662 ;;
663 mn10200-*-*)
664 noconfigdirs="$noconfigdirs ${libgcj}"
665 ;;
666 mn10300-*-*)
667 noconfigdirs="$noconfigdirs ${libgcj}"
668 ;;
669 powerpc-*-aix*)
670 # copied from rs6000-*-* entry
671 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
672 ;;
673 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
674 target_configdirs="$target_configdirs target-winsup"
675 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
676 # always build newlib.
677 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
678 ;;
679 # This is temporary until we can link against shared libraries
680 powerpcle-*-solaris*)
681 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
682 ;;
683 powerpc-*-beos*)
684 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
685 ;;
686 powerpc-*-eabi)
687 noconfigdirs="$noconfigdirs ${libgcj}"
688 ;;
689 rs6000-*-lynxos*)
690 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
691 ;;
692 rs6000-*-aix*)
693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
694 ;;
695 rs6000-*-*)
696 noconfigdirs="$noconfigdirs gprof ${libgcj}"
697 ;;
698 m68k-apollo-*)
699 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
700 ;;
701 mips*-*-irix5*)
702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 ;;
704 mips*-*-irix6*)
705 # Linking libjava exceeds command-line length limits on at least
706 # IRIX 6.2, but not on IRIX 6.5.
707 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
708 # <oldham@codesourcery.com>
709 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
710 ;;
711 mips*-dec-bsd*)
712 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
713 ;;
714 mips*-*-bsd*)
715 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
716 ;;
717 mipstx39-*-*)
718 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
719 ;;
720 mips64*-*-linux*)
721 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
722 ;;
723 mips*-*-linux*)
724 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
725 ;;
726 mips*-*-*)
727 noconfigdirs="$noconfigdirs gprof ${libgcj}"
728 ;;
729 romp-*-*)
730 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
731 ;;
732 sh-*-*)
733 case "${host}" in
734 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
735 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
736 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
737 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
738 esac
739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
740 ;;
741 sh64-*-*)
742 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
743 ;;
744 sparc-*-elf*)
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
747 sparc64-*-elf*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
750 sparclite-*-*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 sparc-*-sunos4*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
755 if test x${is_cross_compiler} != xno ; then
756 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
757 else
758 use_gnu_ld=no
759 fi
760 ;;
761 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
762 ;;
763 v810-*-*)
764 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
765 ;;
766 v850-*-*)
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
768 ;;
769 v850e-*-*)
770 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
771 ;;
772 v850ea-*-*)
773 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
774 ;;
775 vax-*-vms)
776 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
777 ;;
778 vax-*-*)
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
780 ;;
781 xtensa-*-*)
782 noconfigdirs="$noconfigdirs ${libgcj}"
783 ;;
784 ip2k-*-*)
785 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
786 ;;
787 *-*-linux*)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 ;;
790 *-*-lynxos*)
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
792 ;;
793 *-*-*)
794 noconfigdirs="$noconfigdirs ${libgcj}"
795 ;;
796esac
797
798# If we aren't building newlib, then don't build libgloss, since libgloss
799# depends upon some newlib header files.
800case "${noconfigdirs}" in
801 *target-libgloss*) ;;
802 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
803esac
804
805# Work in distributions that contain no compiler tools, like Autoconf.
806tentative_cc=""
807host_makefile_frag=/dev/null
808if test -d ${srcdir}/config ; then
809case "${host}" in
810 m68k-hp-hpux*)
811 # Avoid "too much defining" errors from HPUX compiler.
812 tentative_cc="cc -Wp,-H256000"
813 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
814 # If it's HP/UX ar, this should be harmless.
815 RANLIB="ar ts"
816 ;;
817 m68k-apollo-sysv*)
818 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
819 ;;
820 m68k-apollo-bsd*)
821 #None of the Apollo compilers can compile gas or binutils. The preprocessor
822 # chokes on bfd, the compiler won't let you assign integers to enums, and
823 # other problems. Defining CC to gcc is a questionable way to say "don't use
824 # the apollo compiler" (the preferred version of GCC could be called cc,
825 # or whatever), but I'm not sure leaving CC as cc is any better...
826 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
827 # Used to have BISON=yacc.
828 tentative_cc=gcc
829 ;;
830 m88k-dg-dgux*)
831 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
832 ;;
833 m88k-harris-cxux*)
834 # Under CX/UX, we want to tell the compiler to use ANSI mode.
835 tentative_cc="cc -Xa"
836 host_makefile_frag="config/mh-cxux"
837 ;;
838 m88k-motorola-sysv*)
839 ;;
840 mips*-dec-ultrix*)
841 tentative_cc="cc -Wf,-XNg1000"
842 host_makefile_frag="config/mh-decstation"
843 ;;
844 mips*-nec-sysv4*)
845 # The C compiler on NEC MIPS SVR4 needs bigger tables.
846 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
847 host_makefile_frag="config/mh-necv4"
848 ;;
849 mips*-sgi-irix4*)
850 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
851 # environment. Also bump switch table size so that cp-parse will
852 # compile. Bump string length limit so linker builds.
853 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
854 ;;
855 mips*-*-sysv4*)
856 host_makefile_frag="config/mh-sysv4"
857 ;;
858 mips*-*-sysv*)
859 # This is for a MIPS running RISC/os 4.52C.
860
861 # This is needed for GDB, but needs to be in the top-level make because
862 # if a library is compiled with the bsd headers and gets linked with the
863 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
864 # a different size).
865 # ptrace(2) apparently has problems in the BSD environment. No workaround is
866 # known except to select the sysv environment. Could we use /proc instead?
867 # These "sysv environments" and "bsd environments" often end up being a pain.
868 #
869 # This is not part of CFLAGS because perhaps not all C compilers have this
870 # option.
871 tentative_cc="cc -systype sysv"
872 ;;
873 i370-ibm-opened*)
874 tentative_cc="c89"
875 ;;
876 i[[3456789]]86-*-sysv5*)
877 host_makefile_frag="config/mh-sysv5"
878 ;;
879 i[[3456789]]86-*-dgux*)
880 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
881 host_makefile_frag="config/mh-dgux386"
882 ;;
883 i[[3456789]]86-ncr-sysv4.3*)
884 # The MetaWare compiler will generate a copyright message unless you
885 # turn it off by adding the -Hnocopyr flag.
886 tentative_cc="cc -Hnocopyr"
887 ;;
888 i[[3456789]]86-ncr-sysv4*)
889 # for an NCR 3000 (i486/SVR4) system.
890 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
891 # This compiler not only emits obnoxious copyright messages every time
892 # you run it, but it chokes and dies on a whole bunch of GNU source
893 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
894 tentative_cc="/usr/ccs/ATT/cc"
895 host_makefile_frag="config/mh-ncr3000"
896 ;;
897 i[[3456789]]86-*-sco3.2v5*)
898 ;;
899 i[[3456789]]86-*-sco*)
900 # The native C compiler botches some simple uses of const. Unfortunately,
901 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
902 tentative_cc="cc -Dconst="
903 host_makefile_frag="config/mh-sco"
904 ;;
905 i[[3456789]]86-*-udk*)
906 host_makefile_frag="config/mh-sysv5"
907 ;;
908 i[[3456789]]86-*-solaris2*)
909 host_makefile_frag="config/mh-sysv4"
910 ;;
911 i[[3456789]]86-*-msdosdjgpp*)
912 host_makefile_frag="config/mh-djgpp"
913 ;;
914 *-cygwin*)
915 host_makefile_frag="config/mh-cygwin"
916 ;;
917 *-mingw32*)
918 host_makefile_frag="config/mh-mingw32"
919 ;;
920 *-interix*)
921 host_makefile_frag="config/mh-interix"
922 ;;
923 vax-*-ultrix2*)
924 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
925 tentative_cc=gcc
926 ;;
927 *-*-solaris2*)
928 host_makefile_frag="config/mh-solaris"
929 ;;
930 m68k-sun-sunos*)
931 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
932 # without overflowing the jump tables (-J says to use a 32 bit table)
933 tentative_cc="cc -J"
934 ;;
935 *-hp-hpux*)
936 tentative_cc="cc -Wp,-H256000"
937 ;;
938 *-*-hiux*)
939 tentative_cc="cc -Wp,-H256000"
940 ;;
941 rs6000-*-lynxos*)
942 # /bin/cc is less than useful for our purposes. Always use GCC
943 tentative_cc="/usr/cygnus/progressive/bin/gcc"
944 host_makefile_frag="config/mh-lynxrs6k"
945 ;;
946 *-*-lynxos*)
947 # /bin/cc is less than useful for our purposes. Always use GCC
948 tentative_cc="/bin/gcc"
949 ;;
950 *-*-sysv4*)
951 host_makefile_frag="config/mh-sysv4"
952 ;;
953esac
954fi
955
956# If we aren't going to be using gcc, see if we can extract a definition
957# of CC from the fragment.
958# Actually, use the 'pre-extracted' version above.
959if test -z "${CC}" && test "${build}" = "${host}" ; then
960 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
961 found=
962 for dir in $PATH; do
963 test -z "$dir" && dir=.
964 if test -f $dir/gcc; then
965 found=yes
966 break
967 fi
968 done
969 IFS="$save_ifs"
970 if test -z "${found}" && test -n "${tentative_cc}" ; then
971 CC=$tentative_cc
972 fi
973fi
974
975if test "${build}" != "${host}" ; then
976 # If we are doing a Canadian Cross, in which the host and build systems
977 # are not the same, we set reasonable default values for the tools.
978
979 CC=${CC-${host_alias}-gcc}
980 CFLAGS=${CFLAGS-"-g -O2"}
981 CXX=${CXX-${host_alias}-c++}
982 CXXFLAGS=${CXXFLAGS-"-g -O2"}
983 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
984 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
985 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
986 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
987 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
988 BUILD_DIR_PREFIX=${build_subdir}
989 BUILD_PREFIX=${build_alias}-
990 BUILD_PREFIX_1=${build_alias}-
991
992else
993 # Set reasonable default values for some tools even if not Canadian.
994 # Of course, these are different reasonable default values, originally
995 # specified directly in the Makefile.
996 # We don't export, so that autoconf can do its job.
997 # Note that all these settings are above the fragment inclusion point
998 # in Makefile.in, so can still be overridden by fragments.
999 # This is all going to change when we autoconfiscate...
1000
1001 CC_FOR_BUILD="\$(CC)"
1002 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1003 BUILD_DIR_PREFIX=
1004 BUILD_PREFIX=
1005 BUILD_PREFIX_1=loser-
1006
1007 AC_PROG_CC
1008
1009 # We must set the default linker to the linker used by gcc for the correct
1010 # operation of libtool. If LD is not defined and we are using gcc, try to
1011 # set the LD default to the ld used by gcc.
1012 if test -z "$LD"; then
1013 if test "$GCC" = yes; then
1014 case $build in
1015 *-*-mingw*)
1016 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1017 *)
1018 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1019 esac
1020 case $gcc_prog_ld in
1021 # Accept absolute paths.
1022 [[\\/]* | [A-Za-z]:[\\/]*)]
1023 LD="$gcc_prog_ld" ;;
1024 esac
1025 fi
1026 fi
1027
1028 CXX=${CXX-"c++"}
1029 CFLAGS=${CFLAGS-"-g"}
1030 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1031fi
1032
1033ACX_PROG_GNAT
1034ACX_PROG_CMP_IGNORE_INITIAL
1035
1036# Check for GMP
1037gmplibs=
1038gmpinc=
1039have_gmp=yes
1040# Specify a location for gmp
1041AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1042
1043if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
1044 gmpinc="-I$with_gmp_dir"
1045 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1046 gmplibs="$with_gmp_dir/.libs/libgmp.a"
1047 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1048 gmplibs="$with_gmp_dir/_libs/libgmp.a"
1049 fi
1050 # One of the later tests will catch the error if neither library is present.
1051fi
1052
1053AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1054
1055if test "x$with_gmp" != x && test -d "$with_gmp"; then
1056 gmplibs="-L$with_gmp/lib -lgmp"
1057 gmpinc="-I$with_gmp/include"
1058fi
1059
1060# Use system gmp if nothing else specified
1061if test "x$gmplibs" = x; then
1062 gmplibs="-lgmp"
1063fi
1064
1065saved_CFLAGS="$CFLAGS"
1066CFLAGS="$CFLAGS $gmpinc"
1067# Check GMP actually works
1068AC_MSG_CHECKING([for correct version of gmp.h])
1069AC_TRY_COMPILE([#include "gmp.h"],[
1070#if __GNU_MP_VERSION < 3
1071choke me
1072#endif
1073], [AC_MSG_RESULT([yes])],
1074 [AC_MSG_RESULT([no]); have_gmp=no])
1075
1076if test x"$have_gmp" = xyes; then
1077 AC_MSG_CHECKING([for mpf_init in -lgmp])
1078
1079 saved_LIBS="$LIBS"
1080 LIBS="$LIBS $gmplibs"
1081 AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
1082 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1083 LIBS="$saved_LIBS"
1084 CFLAGS="$saved_CFLAGS"
1085fi
1086
1087AC_SUBST(gmplibs)
1088AC_SUBST(gmpinc)
1089
1090# By default, C is the only stage 1 language.
1091stage1_languages=c
1092AC_SUBST(stage1_languages)
1093
1094# Figure out what language subdirectories are present.
1095# Look if the user specified --enable-languages="..."; if not, use
1096# the environment variable $LANGUAGES if defined. $LANGUAGES might
1097# go away some day.
1098# NB: embedded tabs in this IF block -- do not untabify
1099if test -d ${srcdir}/gcc; then
1100 if test x"${enable_languages+set}" != xset; then
1101 if test x"${LANGUAGES+set}" = xset; then
1102 enable_languages="${LANGUAGES}"
1103 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1104 else
1105 enable_languages=all
1106 fi
1107 else
1108 if test x"${enable_languages}" = x ||
1109 test x"${enable_languages}" = xyes;
1110 then
1111 echo configure.in: --enable-languages needs at least one language argument 1>&2
1112 exit 1
1113 fi
1114 fi
1115 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1116
1117 # First scan to see if an enabled language requires some other language.
1118 # We assume that a given config-lang.in will list all the language
1119 # front ends it requires, even if some are required indirectly.
1120 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1121 case ${lang_frag} in
1122 ..) ;;
1123 # The odd quoting in the next line works around
1124 # an apparent bug in bash 1.12 on linux.
1125 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1126 *)
1127 # From the config-lang.in, get $language, $lang_requires
1128 language=
1129 lang_requires=
1130 . ${lang_frag}
1131 for other in ${lang_requires} ; do
1132 case ,${enable_languages}, in
1133 *,$other,*) ;;
1134 *,all,*) ;;
1135 *,$language,*)
1136 echo " \`$other' language required by \`$language'; enabling" 1>&2
1137 enable_languages="${enable_languages},${other}"
1138 ;;
1139 esac
1140 done
1141 ;;
1142 esac
1143 done
1144
1145 new_enable_languages=c
1146 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1147
1148 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1149 case ${lang_frag} in
1150 ..) ;;
1151 # The odd quoting in the next line works around
1152 # an apparent bug in bash 1.12 on linux.
1153 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1154 *)
1155 # From the config-lang.in, get $language, $target_libs,
1156 # $lang_dirs, $boot_language, and $build_by_default
1157 language=
1158 target_libs=
1159 lang_dirs=
1160 boot_language=
1161 build_by_default=
1162 need_gmp=
1163 . ${lang_frag}
1164 # This is quite sensitive to the ordering of the case statement arms.
1165 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1166 *::*:*)
1167 echo "${lang_frag} doesn't set \$language." 1>&2
1168 exit 1
1169 ;;
1170 *:ada:no:*)
1171 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1172 add_this_lang=no
1173 ;;
1174 *,${language},*:*:*:*)
1175 # Language was explicitly selected; include it.
1176 add_this_lang=yes
1177 ;;
1178 *,all,*:*:*:no)
1179 # 'all' was selected, but this is not a default language
1180 # so do not include it.
1181 add_this_lang=no
1182 ;;
1183 *,all,*:*:*:*)
1184 # 'all' was selected and this is a default language; include it.
1185 add_this_lang=yes
1186 ;;
1187 *)
1188 add_this_lang=no
1189 ;;
1190 esac
1191
1192 # Disable language that need GMP if it isn't available.
1193 if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1194 add_this_lang=no
1195 fi
1196
1197 case $add_this_lang in
1198 no)
1199 # Remove language-dependent dirs.
1200 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1201 ;;
1202 *)
1203 new_enable_languages="$new_enable_languages,$language"
1204 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1205 case ${boot_language} in
1206 yes)
1207 # Add to (comma-separated) list of stage 1 languages.
1208 stage1_languages="${stage1_languages},${language}"
1209 ;;
1210 esac
1211 ;;
1212 esac
1213 ;;
1214 esac
1215 done
1216
1217 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1218 if test "x$missing_languages" != x; then
1219 AC_MSG_ERROR([
1220The following requested languages were not found: ${missing_languages}])
1221 fi
1222
1223 if test "x$new_enable_languages" != "x$enable_languages"; then
1224 echo The following languages will be built: ${new_enable_languages}
1225 fi
1226 enable_languages="$new_enable_languages"
1227 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1228fi
1229
1230# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1231# $target_configdirs.
1232# If we have the source for $noconfigdirs entries, add them to $notsupp.
1233
1234notsupp=""
1235for dir in . $skipdirs $noconfigdirs ; do
1236 dirname=`echo $dir | sed -e s/target-//g`
1237 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1238 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1239 if test -r $srcdir/$dirname/configure ; then
1240 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1241 true
1242 else
1243 notsupp="$notsupp $dir"
1244 fi
1245 fi
1246 fi
1247 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1248 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1249 if test -r $srcdir/$dirname/configure ; then
1250 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1251 true
1252 else
1253 notsupp="$notsupp $dir"
1254 fi
1255 fi
1256 fi
1257done
1258
1259# Sometimes the tools are distributed with libiberty but with no other
1260# libraries. In that case, we don't want to build target-libiberty.
1261if test -n "${target_configdirs}" ; then
1262 others=
1263 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1264 if test "$i" != "libiberty" ; then
1265 if test -r $srcdir/$i/configure ; then
1266 others=yes;
1267 break;
1268 fi
1269 fi
1270 done
1271 if test -z "${others}" ; then
1272 target_configdirs=
1273 fi
1274fi
1275
1276# Quietly strip out all directories which aren't configurable in this tree.
1277# This relies on all configurable subdirectories being autoconfiscated, which
1278# is now the case.
1279build_configdirs_all="$build_configdirs"
1280build_configdirs=
1281for i in ${build_configdirs_all} ; do
1282 j=`echo $i | sed -e s/build-//g`
1283 if test -f ${srcdir}/$j/configure ; then
1284 build_configdirs="${build_configdirs} $i"
1285 fi
1286done
1287
1288configdirs_all="$configdirs"
1289configdirs=
1290for i in ${configdirs_all} ; do
1291 if test -f ${srcdir}/$i/configure ; then
1292 configdirs="${configdirs} $i"
1293 fi
1294done
1295
1296target_configdirs_all="$target_configdirs"
1297target_configdirs=
1298for i in ${target_configdirs_all} ; do
1299 j=`echo $i | sed -e s/target-//g`
1300 if test -f ${srcdir}/$j/configure ; then
1301 target_configdirs="${target_configdirs} $i"
1302 fi
1303done
1304
1305# Produce a warning message for the subdirs we can't configure.
1306# This isn't especially interesting in the Cygnus tree, but in the individual
1307# FSF releases, it's important to let people know when their machine isn't
1308# supported by the one or two programs in a package.
1309
1310if test -n "${notsupp}" && test -z "${norecursion}" ; then
1311 # If $appdirs is non-empty, at least one of those directories must still
1312 # be configured, or we error out. (E.g., if the gas release supports a
1313 # specified target in some subdirs but not the gas subdir, we shouldn't
1314 # pretend that all is well.)
1315 if test -n "$appdirs" ; then
1316 for dir in $appdirs ; do
1317 if test -r $dir/Makefile.in ; then
1318 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1319 appdirs=""
1320 break
1321 fi
1322 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1323 appdirs=""
1324 break
1325 fi
1326 fi
1327 done
1328 if test -n "$appdirs" ; then
1329 echo "*** This configuration is not supported by this package." 1>&2
1330 exit 1
1331 fi
1332 fi
1333 # Okay, some application will build, or we don't care to check. Still
1334 # notify of subdirs not getting built.
1335 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1336 echo " ${notsupp}" 1>&2
1337 echo " (Any other directories should still work fine.)" 1>&2
1338fi
1339
1340case "$host" in
1341 *msdosdjgpp*)
1342 enable_gdbtk=no ;;
1343esac
1344
1345copy_dirs=
1346
1347# Handle --with-headers=XXX. If the value is not "yes", the contents of
1348# the named directory are copied to $(tooldir)/sys-include.
1349if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1350 if test x${is_cross_compiler} = xno ; then
1351 echo 1>&2 '***' --with-headers is only supported when cross compiling
1352 exit 1
1353 fi
1354 if test x"${with_headers}" != xyes ; then
1355 case "${exec_prefixoption}" in
1356 "") x=${prefix} ;;
1357 *) x=${exec_prefix} ;;
1358 esac
1359 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1360 fi
1361fi
1362
1363# Handle --with-libs=XXX. If the value is not "yes", the contents of
1364# the name directories are copied to $(tooldir)/lib. Multiple directories
1365# are permitted.
1366if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1367 if test x${is_cross_compiler} = xno ; then
1368 echo 1>&2 '***' --with-libs is only supported when cross compiling
1369 exit 1
1370 fi
1371 if test x"${with_libs}" != xyes ; then
1372 # Copy the libraries in reverse order, so that files in the first named
1373 # library override files in subsequent libraries.
1374 case "${exec_prefixoption}" in
1375 "") x=${prefix} ;;
1376 *) x=${exec_prefix} ;;
1377 esac
1378 for l in ${with_libs}; do
1379 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1380 done
1381 fi
1382fi
1383
1384# Handle ${copy_dirs}
1385set fnord ${copy_dirs}
1386shift
1387while test $# != 0 ; do
1388 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1389 :
1390 else
1391 echo Copying $1 to $2
1392
1393 # Use the install script to create the directory and all required
1394 # parent directories.
1395 if test -d $2 ; then
1396 :
1397 else
1398 echo >config.temp
1399 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1400 fi
1401
1402 # Copy the directory, assuming we have tar.
1403 # FIXME: Should we use B in the second tar? Not all systems support it.
1404 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1405
1406 # It is the responsibility of the user to correctly adjust all
1407 # symlinks. If somebody can figure out how to handle them correctly
1408 # here, feel free to add the code.
1409
1410 echo $1 > $2/COPIED
1411 fi
1412 shift; shift
1413done
1414
1415extra_arflags_for_target=
1416extra_nmflags_for_target=
1417extra_ranlibflags_for_target=
1418target_makefile_frag=/dev/null
1419case "${target}" in
1420 i[[3456789]]86-*-netware*)
1421 target_makefile_frag="config/mt-netware"
1422 ;;
1423 powerpc-*-netware*)
1424 target_makefile_frag="config/mt-netware"
1425 ;;
1426 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1427 target_makefile_frag="config/mt-gnu"
1428 ;;
1429 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1430 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1431 # commands to handle both 32-bit and 64-bit objects. These flags are
1432 # harmless if we're using GNU nm or ar.
1433 extra_arflags_for_target=" -X32_64"
1434 extra_nmflags_for_target=" -B -X32_64"
1435 ;;
1436 *-*-darwin*)
1437 # ranlib from Darwin requires the -c flag to look at common symbols.
1438 extra_ranlibflags_for_target=" -c"
1439 ;;
1440 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1441 target_makefile_frag="config/mt-wince"
1442 ;;
1443esac
1444
1445alphaieee_frag=/dev/null
1446case $target in
1447 alpha*-*-*)
1448 # This just makes sure to use the -mieee option to build target libs.
1449 # This should probably be set individually by each library.
1450 alphaieee_frag="config/mt-alphaieee"
1451 ;;
1452esac
1453
1454# If --enable-target-optspace always use -Os instead of -O2 to build
1455# the target libraries, similarly if it is not specified, use -Os
1456# on selected platforms.
1457ospace_frag=/dev/null
1458case "${enable_target_optspace}:${target}" in
1459 yes:*)
1460 ospace_frag="config/mt-ospace"
1461 ;;
1462 :d30v-*)
1463 ospace_frag="config/mt-d30v"
1464 ;;
1465 :m32r-* | :d10v-* | :fr30-*)
1466 ospace_frag="config/mt-ospace"
1467 ;;
1468 no:* | :*)
1469 ;;
1470 *)
1471 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1472 ;;
1473esac
1474
1475# Set with_gnu_as and with_gnu_ld as appropriate.
1476#
1477# This is done by determining whether or not the appropriate directory
1478# is available, and by checking whether or not specific configurations
1479# have requested that this magic not happen.
1480#
1481# The command line options always override the explicit settings in
1482# configure.in, and the settings in configure.in override this magic.
1483#
1484# If the default for a toolchain is to use GNU as and ld, and you don't
1485# want to do that, then you should use the --without-gnu-as and
1486# --without-gnu-ld options for the configure script.
1487
1488if test x${use_gnu_as} = x &&
1489 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1490 with_gnu_as=yes
1491 extra_host_args="$extra_host_args --with-gnu-as"
1492fi
1493
1494if test x${use_gnu_ld} = x &&
1495 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1496 with_gnu_ld=yes
1497 extra_host_args="$extra_host_args --with-gnu-ld"
1498fi
1499
1500# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1501# can detect this case.
1502
1503if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1504 with_newlib=yes
1505 extra_host_args="$extra_host_args --with-newlib"
1506fi
1507
1508if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1509 extra_host_args="$extra_host_args --with-libbanshee"
1510fi
1511
1512# Default to using --with-stabs for certain targets.
1513if test x${with_stabs} = x ; then
1514 case "${target}" in
1515 mips*-*-irix[[56]]*)
1516 ;;
1517 mips*-*-* | alpha*-*-osf*)
1518 with_stabs=yes;
1519 extra_host_args="${extra_host_args} --with-stabs"
1520 ;;
1521 esac
1522fi
1523
1524# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1525# them automatically.
1526case "${host}" in
1527 hppa*64*-*-hpux11*)
1528 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1529 ;;
1530esac
1531
1532# Some systems (e.g., one of the i386-aix systems the gas testers are
1533# using) don't handle "\$" correctly, so don't use it here.
1534tooldir='${exec_prefix}'/${target_alias}
1535build_tooldir=${tooldir}
1536
1537# Generate default definitions for YACC, M4, LEX and other programs that run
1538# on the build machine. These are used if the Makefile can't locate these
1539# programs in objdir.
1540MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1541AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1542AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1543AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1544AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1545AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1546AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1547
1548# Create a .gdbinit file which runs the one in srcdir
1549# and tells GDB to look there for source files.
1550
1551if test -r ${srcdir}/.gdbinit ; then
1552 case ${srcdir} in
1553 .) ;;
1554 *) cat > ./.gdbinit <<EOF
1555# ${NO_EDIT}
1556dir ${srcdir}
1557dir .
1558source ${srcdir}/.gdbinit
1559EOF
1560 ;;
1561 esac
1562fi
1563
1564# Make sure that the compiler is able to generate an executable. If it
1565# can't, we are probably in trouble. We don't care whether we can run the
1566# executable--we might be using a cross compiler--we only care whether it
1567# can be created. At this point the main configure script has set CC.
1568we_are_ok=no
1569echo "int main () { return 0; }" > conftest.c
1570${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1571if test $? = 0 ; then
1572 if test -s conftest || test -s conftest.exe ; then
1573 we_are_ok=yes
1574 fi
1575fi
1576case $we_are_ok in
1577 no)
1578 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1579 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1580 rm -f conftest*
1581 exit 1
1582 ;;
1583esac
1584rm -f conftest*
1585
1586# The Solaris /usr/ucb/cc compiler does not appear to work.
1587case "${host}" in
1588 sparc-sun-solaris2*)
1589 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1590 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1591 could_use=
1592 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1593 if test -d /opt/cygnus/bin ; then
1594 if test "$could_use" = "" ; then
1595 could_use="/opt/cygnus/bin"
1596 else
1597 could_use="$could_use or /opt/cygnus/bin"
1598 fi
1599 fi
1600 if test "$could_use" = "" ; then
1601 echo "Warning: compilation may fail because you're using"
1602 echo "/usr/ucb/cc. You should change your PATH or CC "
1603 echo "variable and rerun configure."
1604 else
1605 echo "Warning: compilation may fail because you're using"
1606 echo "/usr/ucb/cc, when you should use the C compiler from"
1607 echo "$could_use. You should change your"
1608 echo "PATH or CC variable and rerun configure."
1609 fi
1610 fi
1611 ;;
1612esac
1613
1614# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1615# binutils tools will find libbfd.so.
1616case "${enable_shared}" in
1617 no | "") SET_LIB_PATH= ;;
1618 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1619esac
1620
1621case "${host}" in
1622 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1623 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1624esac
1625
1626# Record target_configdirs and the configure arguments for target and
1627# build configuration in Makefile.
1628target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1629build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1630
1631# Determine whether gdb needs tk/tcl or not.
1632# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1633# and in that case we want gdb to be built without tk. Ugh!
1634# In fact I believe gdb is the *only* package directly dependent on tk,
1635# so we should be able to put the 'maybe's in unconditionally and
1636# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1637# 100% sure that that's safe though.
1638
1639gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1640case "$enable_gdbtk" in
1641 no)
1642 GDB_TK="" ;;
1643 yes)
1644 GDB_TK="${gdb_tk}" ;;
1645 *)
1646 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1647 # distro. Eventually someone will fix this and move Insight, nee
1648 # gdbtk to a separate directory.
1649 if test -d ${srcdir}/gdb/gdbtk ; then
1650 GDB_TK="${gdb_tk}"
1651 else
1652 GDB_TK=""
1653 fi
1654 ;;
1655esac
1656
1657# Strip out unwanted targets.
1658
1659# While at that, we remove Makefiles if we were started for recursive
1660# configuration, so that the top-level Makefile reconfigures them,
1661# like we used to do when configure itself was recursive.
1662
1663# Loop over modules. $extrasub must be used with care, limiting as
1664# much as possible the usage of range addresses. That's because autoconf
1665# splits the sed script to overcome limits in the number of commands,
1666# and relying on carefully-timed sed passes may turn out to be very hard
1667# to maintain later. In this particular case, you just have to be careful
1668# not to nest @if/@endif pairs, because configure will not warn you at all.
1669
1670AC_ARG_ENABLE([bootstrap],
1671[ --enable-bootstrap Enable bootstrapping [no]],,
1672enable_bootstrap=no)
1673if test -d ${srcdir}/gcc; then
1674 case "$host:$target:$enable_bootstrap" in
1675 $build:$build:yes | *:no) ;;
1676 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1677 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1678 esac
1679else
1680 if test $enable_bootstrap = yes; then
1681 AC_MSG_ERROR([cannot bootstrap without a compiler])
1682 fi
1683fi
1684
1685case "$enable_bootstrap" in
1686 yes)
1687 default_target=bootstrap
1688 bootstrap_suffix=bootstrap ;;
1689 no)
1690 default_target=all
1691 bootstrap_suffix=no-bootstrap ;;
1692esac
1693AC_SUBST(default_target)
1694
1695for module in ${build_configdirs} ; do
1696 if test -z "${no_recursion}" \
1697 && test -f ${build_subdir}/${module}/Makefile; then
1698 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1699 rm -f ${build_subdir}/${module}/Makefile
1700 fi
1701 extrasub="$extrasub
1702/^@if build-$module\$/d
1703/^@endif build-$module\$/d
1704/^@if build-$module-$bootstrap_suffix\$/d
1705/^@endif build-$module-$bootstrap_suffix\$/d"
1706done
1707for module in ${configdirs} ; do
1708 if test -z "${no_recursion}" \
1709 && test -f ${module}/Makefile; then
1710 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1711 rm -f ${module}/Makefile
1712 fi
1713 extrasub="$extrasub
1714/^@if $module\$/d
1715/^@endif $module\$/d
1716/^@if $module-$bootstrap_suffix\$/d
1717/^@endif $module-$bootstrap_suffix\$/d"
1718done
1719for module in ${target_configdirs} ; do
1720 if test -z "${no_recursion}" \
1721 && test -f ${target_subdir}/${module}/Makefile; then
1722 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1723 rm -f ${target_subdir}/${module}/Makefile
1724 fi
1725 extrasub="$extrasub
1726/^@if target-$module\$/d
1727/^@endif target-$module\$/d
1728/^@if target-$module-$bootstrap_suffix\$/d
1729/^@endif target-$module-$bootstrap_suffix\$/d"
1730done
1731
1732extrasub="$extrasub
1733/^@if /,/^@endif /d"
1734
1735# Create the serialization dependencies. This uses a temporary file.
1736
1737AC_ARG_ENABLE([serial-configure],
1738[ --enable-serial-[{host,target,build}-]configure
1739 Force sequential configuration of
1740 sub-packages for the host, target or build
1741 machine, or all sub-packages])
1742
1743case ${enable_serial_configure} in
1744 yes)
1745 enable_serial_build_configure=yes
1746 enable_serial_host_configure=yes
1747 enable_serial_target_configure=yes
1748 ;;
1749esac
1750
1751# These force 'configure's to be done one at a time, to avoid problems
1752# with contention over a shared config.cache.
1753rm -f serdep.tmp
1754echo '# serdep.tmp' > serdep.tmp
1755olditem=
1756test "x${enable_serial_build_configure}" = xyes &&
1757for item in ${build_configdirs} ; do
1758 case ${olditem} in
1759 "") ;;
1760 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1761 esac
1762 olditem=${item}
1763done
1764olditem=
1765test "x${enable_serial_host_configure}" = xyes &&
1766for item in ${configdirs} ; do
1767 case ${olditem} in
1768 "") ;;
1769 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1770 esac
1771 olditem=${item}
1772done
1773olditem=
1774test "x${enable_serial_target_configure}" = xyes &&
1775for item in ${target_configdirs} ; do
1776 case ${olditem} in
1777 "") ;;
1778 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1779 esac
1780 olditem=${item}
1781done
1782serialization_dependencies=serdep.tmp
1783AC_SUBST_FILE(serialization_dependencies)
1784
1785# Base args. Strip norecursion, cache-file, srcdir, host, build,
1786# target and nonopt. These are the ones we might not want to pass
1787# down to subconfigures. Also strip program-prefix, program-suffix,
1788# and program-transform-name, so that we can pass down a consistent
1789# program-transform-name. If autoconf has put single quotes around
1790# any of these arguments (because they contain shell metacharacters)
1791# then this will fail; in practice this only happens for
1792# --program-transform-name, so be sure to override --program-transform-name
1793# at the end of the argument list.
1794# These will be expanded by make, so quote '$'.
1795cat <<\EOF_SED > conftestsed
1796s/ --no[[^ ]]*/ /g
1797s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1798s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1799s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1800s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1801s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1802s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1803s/ -cache-file[[= ]][[^ ]]*//g
1804s/ -srcdir[[= ]][[^ ]]*//g
1805s/ -host[[= ]][[^ ]]*//g
1806s/ -build[[= ]][[^ ]]*//g
1807s/ -target[[= ]][[^ ]]*//g
1808s/ -program-prefix[[= ]][[^ ]]*//g
1809s/ -program-suffix[[= ]][[^ ]]*//g
1810s/ -program-transform-name[[= ]][[^ ]]*//g
1811s/ [[^' -][^ ]*] / /
1812s/^ *//;s/ *$//
1813s,\$,$$,g
1814EOF_SED
1815sed -f conftestsed <<EOF_SED > conftestsed.out
1816 ${ac_configure_args}
1817EOF_SED
1818baseargs=`cat conftestsed.out`
1819rm -f conftestsed conftestsed.out
1820
1821# Add in --program-transform-name, after --program-prefix and
1822# --program-suffix have been applied to it. Autoconf has already
1823# doubled dollar signs and backslashes in program_transform_name; we want
1824# the backslashes un-doubled, and then the entire thing wrapped in single
1825# quotes, because this will be expanded first by make and then by the shell.
1826# Also, because we want to override the logic in subdir configure scripts to
1827# choose program_transform_name, replace any s,x,x, with s,y,y,.
1828sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1829${program_transform_name}
1830EOF_SED
1831gcc_transform_name=`cat conftestsed.out`
1832rm -f conftestsed.out
1833baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1834
1835# For the build-side libraries, we just need to pretend we're native,
1836# and not use the same cache file. Multilibs are neither needed nor
1837# desired.
1838build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1839
1840# For host modules, accept cache file option, or specification as blank.
1841case "${cache_file}" in
1842"") # empty
1843 cache_file_option="" ;;
1844/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1845 cache_file_option="--cache-file=${cache_file}" ;;
1846*) # relative path
1847 cache_file_option="--cache-file=../${cache_file}" ;;
1848esac
1849
1850# Host dirs don't like to share a cache file either, horribly enough.
1851# This seems to be due to autoconf 2.5x stupidity.
1852host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1853
1854target_configargs=${baseargs}
1855
1856# Passing a --with-cross-host argument lets the target libraries know
1857# whether they are being built with a cross-compiler or being built
1858# native. However, it would be better to use other mechanisms to make the
1859# sorts of decisions they want to make on this basis. Please consider
1860# this option to be deprecated. FIXME.
1861if test x${is_cross_compiler} = xyes ; then
1862 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1863fi
1864
1865# Default to --enable-multilib.
1866if test x${enable_multilib} = x ; then
1867 target_configargs="--enable-multilib ${target_configargs}"
1868fi
1869
1870# Pass --with-newlib if appropriate. Note that target_configdirs has
1871# changed from the earlier setting of with_newlib.
1872if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1873 target_configargs="--with-newlib ${target_configargs}"
1874fi
1875
1876# Different target subdirs use different values of certain variables
1877# (notably CXX). Worse, multilibs use *lots* of different values.
1878# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1879# it doesn't automatically accept command-line overrides of them.
1880# This means it's not safe for target subdirs to share a cache file,
1881# which is disgusting, but there you have it. Hopefully this can be
1882# fixed in future. It's still worthwhile to use a cache file for each
1883# directory. I think.
1884
1885# Pass the appropriate --host, --build, and --cache-file arguments.
1886target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1887
1888# provide a proper gxx_include_dir.
1889# Note, if you change the default, make sure to fix both here and in
1890# the gcc and libstdc++-v3 subdirectories.
1891# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1892case "${with_gxx_include_dir}" in
1893 yes)
1894 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1895 ;;
1896 no | "")
1897 case "${enable_version_specific_runtime_libs}" in
1898 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1899 *)
1900 . ${srcdir}/config.if
1901 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1902 esac ;;
1903 *) gxx_include_dir=${with_gxx_include_dir} ;;
1904esac
1905
1906FLAGS_FOR_TARGET=
1907case " $target_configdirs " in
1908 *" newlib "*)
1909 case " $target_configargs " in
1910 *" --with-newlib "*)
1911 case "$target" in
1912 *-cygwin*)
1913 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
1914 esac
1915
1916 # If we're not building GCC, don't discard standard headers.
1917 if test -d ${srcdir}/gcc; then
1918 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1919
1920 if test "${build}" != "${host}"; then
1921 # On Canadian crosses, CC_FOR_TARGET will have already been set
1922 # by `configure', so we won't have an opportunity to add -Bgcc/
1923 # to it. This is right: we don't want to search that directory
1924 # for binaries, but we want the header files in there, so add
1925 # them explicitly.
1926 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1927
1928 # Someone might think of using the pre-installed headers on
1929 # Canadian crosses, in case the installed compiler is not fully
1930 # compatible with the compiler being built. In this case, it
1931 # would be better to flag an error than risking having
1932 # incompatible object files being constructed. We can't
1933 # guarantee that an error will be flagged, but let's hope the
1934 # compiler will do it, when presented with incompatible header
1935 # files.
1936 fi
1937 fi
1938
1939 case "${target}-${is_cross_compiler}" in
1940 i[[3456789]]86-*-linux*-no)
1941 # Here host == target, so we don't need to build gcc,
1942 # so we don't want to discard standard headers.
1943 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1944 ;;
1945 *)
1946 # If we're building newlib, use its generic headers last, but search
1947 # for any libc-related directories first (so make it the last -B
1948 # switch).
1949 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1950 ;;
1951 esac
1952 ;;
1953 esac
1954 ;;
1955esac
1956
1957# Allow the user to override the flags for
1958# our build compiler if desired.
1959CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1960
1961# On Canadian crosses, we'll be searching the right directories for
1962# the previously-installed cross compiler, so don't bother to add
1963# flags for directories within the install tree of the compiler
1964# being built; programs in there won't even run.
1965if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1966 # Search for pre-installed headers if nothing else fits.
1967 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1968fi
1969
1970if test "x${use_gnu_ld}" = x &&
1971 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1972 # Arrange for us to find uninstalled linker scripts.
1973 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1974fi
1975
1976if test "x${CC_FOR_TARGET+set}" = xset; then
1977 :
1978elif test -d ${srcdir}/gcc; then
1979 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1980elif test "$host" = "$target"; then
1981 CC_FOR_TARGET='$(CC)'
1982else
1983 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1984fi
1985CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1986
1987if test "x${GCJ_FOR_TARGET+set}" = xset; then
1988 :
1989elif test -d ${srcdir}/gcc; then
1990 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1991elif test "$host" = "$target"; then
1992 GCJ_FOR_TARGET='gcj'
1993else
1994 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1995fi
1996GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1997
1998if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
1999 :
2000elif test -d ${srcdir}/gcc; then
2001 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2002elif test "$host" = "$target"; then
2003 GFORTRAN_FOR_TARGET='gfortran'
2004else
2005 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2006fi
2007case $GFORTRAN_FOR_TARGET in
2008*' $(FLAGS_FOR_TARGET)') ;;
2009*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2010esac
2011
2012# Don't use libstdc++-v3's flags to configure/build itself.
2013libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2014raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2015
2016if test "x${CXX_FOR_TARGET+set}" = xset; then
2017 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2018 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2019 fi
2020elif test -d ${srcdir}/gcc; then
2021 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2022 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2023 # default whereas gcc does not.
2024 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2025 # all other cases.
2026 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2027 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2028elif test "$host" = "$target"; then
2029 CXX_FOR_TARGET='$(CXX)'
2030 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2031else
2032 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2033 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2034fi
2035CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2036RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2037
2038qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2039qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2040
2041# We want to defer the evaluation of `cmd`s and shell variables in
2042# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2043# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2044# quotes, but we still have to duplicate `$'s so that shell variables
2045# can be expanded by the nested make as shell variables, not as make
2046# macros.
2047qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2048qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2049
2050# Wrap CC_FOR_TARGET and friends, for certain types of builds.
2051CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2052GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2053GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2054CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2055RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2056CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2057RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2058
2059# Makefile fragments.
2060for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2061do
2062 eval fragval=\$$frag
2063 if test $fragval != /dev/null; then
2064 eval $frag=${srcdir}/$fragval
2065 fi
2066done
2067AC_SUBST_FILE(host_makefile_frag)
2068AC_SUBST_FILE(target_makefile_frag)
2069AC_SUBST_FILE(alphaieee_frag)
2070AC_SUBST_FILE(ospace_frag)
2071
2072# Miscellanea: directories, flags, etc.
2073AC_SUBST(SET_LIB_PATH)
2074AC_SUBST(RPATH_ENVVAR)
2075AC_SUBST(BUILD_DIR_PREFIX)
2076AC_SUBST(BUILD_PREFIX)
2077AC_SUBST(BUILD_PREFIX_1)
2078AC_SUBST(gcc_version_trigger)
2079AC_SUBST(gcc_version)
2080AC_SUBST(tooldir)
2081AC_SUBST(build_tooldir)
2082AC_SUBST(GDB_TK)
2083AC_SUBST(gxx_include_dir)
2084AC_SUBST(libstdcxx_incdir)
2085
2086# Build module lists & subconfigure args.
2087AC_SUBST(build_configargs)
2088AC_SUBST(build_configdirs)
2089
2090# Host module lists & subconfigure args.
2091AC_SUBST(host_configargs)
2092AC_SUBST(configdirs)
2093
2094# Target module lists & subconfigure args.
2095AC_SUBST(target_configargs)
2096AC_SUBST(target_configdirs)
2097
2098# Build tools.
2099AC_SUBST(CC_FOR_BUILD)
2100AC_SUBST(config_shell)
2101
2102# Host tools.
2103NCN_STRICT_CHECK_TOOL(AR, ar)
2104NCN_STRICT_CHECK_TOOL(AS, as)
2105NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2106NCN_STRICT_CHECK_TOOL(LD, ld)
2107NCN_STRICT_CHECK_TOOL(NM, nm)
2108NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2109NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2110NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2111NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2112AC_SUBST(CC)
2113AC_SUBST(CXX)
2114AC_SUBST(CFLAGS)
2115AC_SUBST(CFLAGS_FOR_BUILD)
2116AC_SUBST(CXXFLAGS)
2117
2118# Target tools.
2119NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2120NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2121NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2122NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2123NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2124NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2125NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2126
2127AC_SUBST(GCC_FOR_TARGET)
2128AC_SUBST(FLAGS_FOR_TARGET)
2129AC_SUBST(CC_FOR_TARGET)
2130AC_SUBST(GCJ_FOR_TARGET)
2131AC_SUBST(GFORTRAN_FOR_TARGET)
2132AC_SUBST(CXX_FOR_TARGET)
2133AC_SUBST(RAW_CXX_FOR_TARGET)
2134AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2135AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2136
2137# Fix up target tools.
2138if test "x${build}" = "x${host}" ; then
2139 # In this case, the newly built tools can and should be used,
2140 # so we override the results of the autoconf tests.
2141 # This should really only happen when the tools are actually being built,
2142 # but that's a further refinement. The new build scheme, where
2143 # tools are built into a structure paralleling where they're installed,
2144 # should also eliminate all of this cleanly.
2145 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2146 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2147 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2148 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2149 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2150 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2151 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2152else
2153 # Just use the ones we found.
2154 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2155 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2156 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2157 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2158 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2159 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2160 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2161fi
2162AC_SUBST(AR_FOR_TARGET)
2163AC_SUBST(AS_FOR_TARGET)
2164AC_SUBST(DLLTOOL_FOR_TARGET)
2165AC_SUBST(LD_FOR_TARGET)
2166AC_SUBST(NM_FOR_TARGET)
2167AC_SUBST(RANLIB_FOR_TARGET)
2168AC_SUBST(WINDRES_FOR_TARGET)
2169
2170# Certain tools may need extra flags.
2171AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2172RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2173NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2174
2175AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2176AC_ARG_ENABLE(maintainer-mode,
2177[ --enable-maintainer-mode enable make rules and dependencies not useful
2178 (and sometimes confusing) to the casual installer],
2179 USE_MAINTAINER_MODE=$enableval,
2180 USE_MAINTAINER_MODE=no)
2181AC_MSG_RESULT($USE_MAINTAINER_MODE)
2182AC_SUBST(MAINTAINER_MODE_TRUE)
2183AC_SUBST(MAINTAINER_MODE_FALSE)
2184if test "$USE_MAINTAINER_MODE" = yes; then
2185 MAINTAINER_MODE_TRUE=
2186 MAINTAINER_MODE_FALSE='#'
2187else
2188 MAINTAINER_MODE_TRUE='#'
2189 MAINTAINER_MODE_FALSE=
2190fi
2191MAINT=$MAINTAINER_MODE_TRUE
2192AC_SUBST(MAINT)dnl
2193
2194# ---------------------
2195# GCC bootstrap support
2196# ---------------------
2197
2198# Stage specific cflags for build.
2199stage1_cflags="-g"
2200case $build in
2201 vax-*-*)
2202 case ${GCC} in
2203 yes) stage1_cflags="-g -Wa,-J" ;;
2204 *) stage1_cflags="-g -J" ;;
2205 esac ;;
2206 powerpc-*-darwin*)
2207 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2208 # sources; use -no-cpp-precomp to get to GNU cpp.
2209 # Apple's GCC has bugs in designated initializer handling, so disable
2210 # that too.
2211 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2212 ;;
2213esac
2214AC_SUBST(stage1_cflags)
2215
2216# It makes debugging easier if we create as symlinks the stage directories
2217# gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2218# possible, however, we can resort to mv.
2219AC_CACHE_CHECK([if symbolic links between directories work],
2220[gcc_cv_prog_ln_s_dir],
2221[if test "${LN_S}" = "ln -s" \
2222 && mkdir confdir.s1 \
2223 && ln -s confdir.s1 confdir.s2 \
2224 && echo timestamp1 > confdir.s1/conftest.1 \
2225 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2226 && echo timestamp2 > confdir.s2/conftest.2 \
2227 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2228 && rm -f confdir.s2; then
2229 gcc_cv_prog_ln_s_dir=yes
2230else
2231 gcc_cv_prog_ln_s_dir=yes
2232fi
2233rm -rf confdir.s1 confdir.s2])
2234
2235case ${gcc_cv_prog_ln_s_dir} in
2236 yes)
2237 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2238 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2239 *)
2240 CREATE_LINK_TO_DIR='mv $$1 $$2'
2241 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2242esac
2243AC_SUBST(CREATE_LINK_TO_DIR)
2244AC_SUBST(UNDO_LINK_TO_DIR)
2245
2246# Enable -Werror in bootstrap stage2 and later.
2247# Change the default to "no" on release branches.
2248AC_ARG_ENABLE(werror,
2249[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2250[enable_werror=yes])
2251case ${enable_werror} in
2252 yes) stage2_werror_flag="--enable-werror-always" ;;
2253 *) stage2_werror_flag="" ;;
2254esac
2255AC_SUBST(stage2_werror_flag)
2256
2257AC_OUTPUT(Makefile)
GDB Binutils - Deliverables
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