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2004-06-16 Michael Chastain <mec.gnu@mindspring.com>
[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 libraries are used by various programs built for the host environment
130#
131host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
132
133# these tools are built for the host environment
134# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
135# know that we are building the simulator.
136# binutils, gas and ld appear in that order because it makes sense to run
137# "make check" in that particular order.
138host_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"
139
140# libgcj represents the runtime libraries only used by gcj.
141libgcj="target-libffi \
142 target-boehm-gc \
143 target-zlib \
144 target-qthreads \
145 target-libjava"
146
147# these libraries are built for the target environment, and are built after
148# the host libraries and the host tools (which may be a cross compiler)
149#
150target_libraries="target-libiberty \
151 target-libgloss \
152 target-newlib \
153 target-libstdc++-v3 \
154 target-libmudflap \
155 target-libgfortran \
156 ${libgcj} \
157 target-libobjc \
158 target-libada"
159
160# these tools are built using the target libraries, and are intended to
161# run only in the target environment
162#
163# note: any program that *uses* libraries that are in the "target_libraries"
164# list belongs in this list. those programs are also very likely
165# candidates for the "native_only" list which follows
166#
167target_tools="target-examples target-groff target-gperf target-rda"
168
169################################################################################
170
171## All tools belong in one of the four categories, and are assigned above
172## We assign ${configdirs} this way to remove all embedded newlines. This
173## is important because configure will choke if they ever get through.
174## ${configdirs} is directories we build using the host tools.
175## ${target_configdirs} is directories we build using the target tools.
176#
177configdirs=`echo ${host_libs} ${host_tools}`
178target_configdirs=`echo ${target_libraries} ${target_tools}`
179
180# Only make build modules if build != host.
181# This should be done more generally, but at the moment it doesn't matter.
182if test ${host_alias} != ${build_alias} ; then
183 # This is the only build module.
184 build_modules=libiberty
185else
186 build_modules=
187fi
188
189
190################################################################################
191
192srcname="gnu development package"
193
194# This gets set non-empty for some net releases of packages.
195appdirs=""
196
197# Define is_cross_compiler to save on calls to 'test'.
198is_cross_compiler=
199if test x"${host}" = x"${target}" ; then
200 is_cross_compiler=no
201else
202 is_cross_compiler=yes
203fi
204
205# Find the build and target subdir names.
206GCC_TOPLEV_SUBDIRS
207
208# Skipdirs are removed silently.
209skipdirs=
210# Noconfigdirs are removed loudly.
211noconfigdirs=""
212
213use_gnu_ld=
214# Make sure we don't let GNU ld be added if we didn't want it.
215if test x$with_gnu_ld = xno ; then
216 use_gnu_ld=no
217 noconfigdirs="$noconfigdirs ld"
218fi
219
220use_gnu_as=
221# Make sure we don't let GNU as be added if we didn't want it.
222if test x$with_gnu_as = xno ; then
223 use_gnu_as=no
224 noconfigdirs="$noconfigdirs gas"
225fi
226
227# some tools are so dependent upon X11 that if we're not building with X,
228# it's not even worth trying to configure, much less build, that tool.
229
230case ${with_x} in
231 yes | "") ;; # the default value for this tree is that X11 is available
232 no)
233 skipdirs="${skipdirs} tk tix itcl libgui"
234 # We won't be able to build gdbtk without X.
235 enable_gdbtk=no
236 ;;
237 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
238esac
239
240# Some tools are only suitable for building in a "native" situation.
241# Remove these if host!=target.
242native_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"
243
244# Similarly, some are only suitable for cross toolchains.
245# Remove these if host=target.
246cross_only="target-libgloss target-newlib target-opcodes"
247
248case $is_cross_compiler in
249 no) skipdirs="${skipdirs} ${cross_only}" ;;
250 yes) skipdirs="${skipdirs} ${native_only}" ;;
251esac
252
253# If both --with-headers and --with-libs are specified, default to
254# --without-newlib.
255if test x"${with_headers}" != x && test x"${with_headers} != xno \
256 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
257 if test x"${with_newlib}" = x ; then
258 with_newlib=no
259 fi
260fi
261
262# Recognize --with-newlib/--without-newlib.
263case ${with_newlib} in
264 no) skipdirs="${skipdirs} target-newlib" ;;
265 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
266esac
267
268# Configure extra directories which are host specific
269
270case "${host}" in
271 *-cygwin*)
272 configdirs="$configdirs libtermcap" ;;
273esac
274
275# Remove more programs from consideration, based on the host or
276# target this usually means that a port of the program doesn't
277# exist yet.
278
279case "${host}" in
280 hppa*64*-*-*)
281 noconfigdirs="$noconfigdirs byacc"
282 ;;
283 i[[3456789]]86-*-vsta)
284 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
285 ;;
286 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
287 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
288 ;;
289 i[[3456789]]86-*-mingw32*)
290 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
291 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
292 ;;
293 i[[3456789]]86-*-beos*)
294 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
295 ;;
296 *-*-cygwin*)
297 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
298 ;;
299 *-*-netbsd*)
300 noconfigdirs="$noconfigdirs rcs"
301 ;;
302 ppc*-*-pe)
303 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
304 ;;
305 powerpc-*-beos*)
306 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
307 ;;
308 *-*-darwin*)
309 noconfigdirs="$noconfigdirs tk itcl tix libgui"
310 ;;
311esac
312
313AC_ARG_WITH(libbanshee,
314[ --without-libbanshee Don't build with libbanshee])
315case ${with_libbanshee} in
316 no)
317 noconfigdirs="$noconfigdirs libbanshee" ;;
318 yes|"")
319 with_libbanshee=yes
320 ;;
321 *)
322 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
323esac
324
325AC_ARG_ENABLE(libada,
326[ --enable-libada Builds libada directory],
327ENABLE_LIBADA=$enableval,
328ENABLE_LIBADA=yes)
329if test "${ENABLE_LIBADA}" != "yes" ; then
330 noconfigdirs="$noconfigdirs target-libada"
331fi
332
333# Save it here so that, even in case of --enable-libgcj, if the Java
334# front-end isn't enabled, we still get libgcj disabled.
335libgcj_saved=$libgcj
336case $enable_libgcj in
337yes)
338 # If we reset it here, it won't get added to noconfigdirs in the
339 # target-specific build rules, so it will be forcibly enabled
340 # (unless the Java language itself isn't enabled).
341 libgcj=
342 ;;
343no)
344 # Make sure we get it printed in the list of not supported target libs.
345 noconfigdirs="$noconfigdirs ${libgcj}"
346 ;;
347esac
348
349
350# Allow --disable-libmudflap to exclude target-libmudflap
351case $enable_libmudflap in
352yes | "")
353 # By default it's enabled
354 ;;
355no)
356 noconfigdirs="$noconfigdirs target-libmudflap"
357 ;;
358esac
359
360
361case "${target}" in
362 *-*-chorusos)
363 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
364 ;;
365 powerpc-*-darwin*)
366 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
367 noconfigdirs="$noconfigdirs target-libobjc"
368 ;;
369 *-*-darwin*)
370 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
371 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
372 ;;
373 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
374 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
375 ;;
376 *-*-freebsd* | *-*-kfreebsd*-gnu)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
378 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
379 && test -f /usr/local/include/gmp.h; then
380 with_gmp=/usr/local
381 fi
382
383 # Skip some stuff that's unsupported on some FreeBSD configurations.
384 case "${target}" in
385 i*86-*-*) ;;
386 alpha*-*-*) ;;
387 *)
388 noconfigdirs="$noconfigdirs ${libgcj}"
389 ;;
390 esac
391 ;;
392 *-*-kaos*)
393 # Remove unsupported stuff on all kaOS configurations.
394 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
395 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
396 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
397 noconfigdirs="$noconfigdirs target-libgloss"
398 ;;
399 *-*-netbsd*)
400 # Skip some stuff on all NetBSD configurations.
401 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
402
403 # Skip some stuff that's unsupported on some NetBSD configurations.
404 case "${target}" in
405 i*86-*-netbsdelf*) ;;
406 arm*-*-netbsdelf*) ;;
407 *)
408 noconfigdirs="$noconfigdirs ${libgcj}"
409 ;;
410 esac
411 ;;
412 *-*-netware)
413 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
414 ;;
415 *-*-rtems*)
416 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
417 ;;
418 *-*-uclinux*)
419 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
420 ;;
421 *-*-vxworks*)
422 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
423 ;;
424 alpha*-dec-osf*)
425 # ld works, but does not support shared libraries.
426 # newlib is not 64 bit ready. I'm not sure about fileutils.
427 # gas doesn't generate exception information.
428 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
429 ;;
430 alpha*-*-*vms*)
431 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
432 ;;
433 alpha*-*-linux*)
434 # newlib is not 64 bit ready
435 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
436 ;;
437 alpha*-*-*)
438 # newlib is not 64 bit ready
439 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
440 ;;
441 am33_2.0-*-linux*)
442 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
443 ;;
444 sh-*-linux*)
445 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
446 ;;
447 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
448 noconfigdirs="$noconfigdirs ${libgcj}"
449 noconfigdirs="$noconfigdirs target-examples"
450 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
451 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
452 noconfigdirs="$noconfigdirs expect dejagnu"
453 # the C++ libraries don't build on top of CE's C libraries
454 noconfigdirs="$noconfigdirs target-libstdc++-v3"
455 noconfigdirs="$noconfigdirs target-newlib"
456 case "${host}" in
457 *-*-cygwin*) ;; # keep gdb and readline
458 *) noconfigdirs="$noconfigdirs gdb readline"
459 ;;
460 esac
461 ;;
462 arc-*-*)
463 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
464 ;;
465 arm-*-coff | strongarm-*-coff | xscale-*-coff)
466 noconfigdirs="$noconfigdirs ${libgcj}"
467 ;;
468 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
469 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
470 ;;
471 arm-*-pe*)
472 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
473 ;;
474 arm-*-oabi*)
475 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
476 ;;
477 thumb-*-coff)
478 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
479 ;;
480 thumb-*-elf)
481 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
482 ;;
483 thumb-*-oabi)
484 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
485 ;;
486 thumb-*-pe)
487 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
488 ;;
489 arm-*-riscix*)
490 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
491 ;;
492 avr-*-*)
493 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
494 ;;
495 c4x-*-* | tic4x-*-*)
496 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
497 ;;
498 c54x*-*-* | tic54x-*-*)
499 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
500 ;;
501 cris-*-*)
502 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
503 ;;
504 d10v-*-*)
505 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
506 ;;
507 d30v-*-*)
508 noconfigdirs="$noconfigdirs ${libgcj} gdb"
509 ;;
510 fr30-*-elf*)
511 noconfigdirs="$noconfigdirs ${libgcj} gdb"
512 ;;
513 frv-*-*)
514 noconfigdirs="$noconfigdirs ${libgcj}"
515 ;;
516 h8300*-*-*)
517 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
518 ;;
519 h8500-*-*)
520 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
521 ;;
522 hppa*64*-*-linux* | parisc*64*-*-linux*)
523 # In this case, it's because the hppa64-linux target is for
524 # the kernel only at this point and has no libc, and thus no
525 # headers, crt*.o, etc., all of which are needed by these.
526 noconfigdirs="$noconfigdirs target-zlib"
527 ;;
528 hppa*-*-*elf* | \
529 parisc*-*-linux* | hppa*-*-linux* | \
530 hppa*-*-lites* | \
531 hppa*-*-openbsd* | \
532 hppa*64*-*-*)
533 noconfigdirs="$noconfigdirs ${libgcj}"
534 # Do configure ld/binutils/gas for this case.
535 ;;
536 hppa*-*-*)
537 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
538 # build on HP-UX 10.20.
539 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
540 ;;
541 i960-*-*)
542 noconfigdirs="$noconfigdirs ${libgcj} gdb"
543 ;;
544 ia64*-*-elf*)
545 # No gdb support yet.
546 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
547 ;;
548 ia64*-**-hpux*)
549 # No gdb or ld support yet.
550 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
551 ;;
552 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
553 noconfigdirs="$noconfigdirs ${libgcj}"
554 ;;
555 i[[3456789]]86-*-linux*)
556 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
557 # not build java stuff by default.
558 case "${target}" in
559 *-*-*libc1*)
560 noconfigdirs="$noconfigdirs ${libgcj}";;
561 esac
562
563 # This section makes it possible to build newlib natively on linux.
564 # If we are using a cross compiler then don't configure newlib.
565 if test x${is_cross_compiler} != xno ; then
566 noconfigdirs="$noconfigdirs target-newlib"
567 fi
568 noconfigdirs="$noconfigdirs target-libgloss"
569 # If we are not using a cross compiler, do configure newlib.
570 # Note however, that newlib will only be configured in this situation
571 # if the --with-newlib option has been given, because otherwise
572 # 'target-newlib' will appear in skipdirs.
573 ;;
574 i[[3456789]]86-*-mingw32*)
575 target_configdirs="$target_configdirs target-mingw"
576 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
577
578 # Can't build gdb for mingw32 if not native.
579 case "${host}" in
580 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
581 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
582 ;;
583 esac
584 ;;
585 *-*-cygwin*)
586 target_configdirs="$target_configdirs target-libtermcap target-winsup"
587 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
588 # always build newlib.
589 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
590
591 # Can't build gdb for Cygwin if not native.
592 case "${host}" in
593 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
594 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
595 ;;
596 esac
597 ;;
598 i[[3456789]]86-*-pe)
599 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
600 ;;
601 i[[3456789]]86-*-sco3.2v5*)
602 # The linker does not yet know about weak symbols in COFF,
603 # and is not configured to handle mixed ELF and COFF.
604 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
605 ;;
606 i[[3456789]]86-*-sco*)
607 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
608 ;;
609 i[[3456789]]86-*-solaris2*)
610 noconfigdirs="$noconfigdirs target-libgloss"
611 ;;
612 i[[3456789]]86-*-sysv4*)
613 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
614 ;;
615 i[[3456789]]86-*-beos*)
616 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
617 ;;
618 m32r-*-*)
619 noconfigdirs="$noconfigdirs ${libgcj}"
620 ;;
621 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
622 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
623 ;;
624 m68k-*-elf*)
625 noconfigdirs="$noconfigdirs ${libgcj}"
626 ;;
627 m68k-*-coff*)
628 noconfigdirs="$noconfigdirs ${libgcj}"
629 ;;
630 mcore-*-pe*)
631 # The EPOC C++ environment does not support exceptions or rtti,
632 # and so building libstdc++-v3 tends not to always work.
633 noconfigdirs="$noconfigdirs target-libstdc++-v3"
634 ;;
635 mmix-*-*)
636 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
637 ;;
638 mn10200-*-*)
639 noconfigdirs="$noconfigdirs ${libgcj}"
640 ;;
641 mn10300-*-*)
642 noconfigdirs="$noconfigdirs ${libgcj}"
643 ;;
644 powerpc-*-aix*)
645 # copied from rs6000-*-* entry
646 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
647 ;;
648 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
649 target_configdirs="$target_configdirs target-winsup"
650 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
651 # always build newlib.
652 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
653 ;;
654 # This is temporary until we can link against shared libraries
655 powerpcle-*-solaris*)
656 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
657 ;;
658 powerpc-*-beos*)
659 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
660 ;;
661 powerpc-*-eabi)
662 noconfigdirs="$noconfigdirs ${libgcj}"
663 ;;
664 rs6000-*-lynxos*)
665 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
666 ;;
667 rs6000-*-aix*)
668 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
669 ;;
670 rs6000-*-*)
671 noconfigdirs="$noconfigdirs gprof ${libgcj}"
672 ;;
673 m68k-apollo-*)
674 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
675 ;;
676 mips*-*-irix5*)
677 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
678 ;;
679 mips*-*-irix6*)
680 # Linking libjava exceeds command-line length limits on at least
681 # IRIX 6.2, but not on IRIX 6.5.
682 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
683 # <oldham@codesourcery.com>
684 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
685 ;;
686 mips*-dec-bsd*)
687 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
688 ;;
689 mips*-*-bsd*)
690 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
691 ;;
692 mipstx39-*-*)
693 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
694 ;;
695 mips64*-*-linux*)
696 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
697 ;;
698 mips*-*-linux*)
699 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
700 ;;
701 mips*-*-*)
702 noconfigdirs="$noconfigdirs gprof ${libgcj}"
703 ;;
704 romp-*-*)
705 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
706 ;;
707 sh-*-*)
708 case "${host}" in
709 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
710 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
711 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
712 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
713 esac
714 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
715 ;;
716 sh64-*-*)
717 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
718 ;;
719 sparc-*-elf*)
720 noconfigdirs="$noconfigdirs ${libgcj}"
721 ;;
722 sparc64-*-elf*)
723 noconfigdirs="$noconfigdirs ${libgcj}"
724 ;;
725 sparclite-*-*)
726 noconfigdirs="$noconfigdirs ${libgcj}"
727 ;;
728 sparc-*-sunos4*)
729 noconfigdirs="$noconfigdirs ${libgcj}"
730 if test x${is_cross_compiler} != xno ; then
731 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
732 else
733 use_gnu_ld=no
734 fi
735 ;;
736 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
737 ;;
738 v810-*-*)
739 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
740 ;;
741 v850-*-*)
742 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
743 ;;
744 v850e-*-*)
745 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
746 ;;
747 v850ea-*-*)
748 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
749 ;;
750 vax-*-vms)
751 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
752 ;;
753 vax-*-*)
754 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
755 ;;
756 xtensa-*-*)
757 noconfigdirs="$noconfigdirs ${libgcj}"
758 ;;
759 ip2k-*-*)
760 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
761 ;;
762 *-*-linux*)
763 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
764 ;;
765 *-*-lynxos*)
766 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
767 ;;
768 *-*-*)
769 noconfigdirs="$noconfigdirs ${libgcj}"
770 ;;
771esac
772
773# If we aren't building newlib, then don't build libgloss, since libgloss
774# depends upon some newlib header files.
775case "${noconfigdirs}" in
776 *target-libgloss*) ;;
777 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
778esac
779
780# Work in distributions that contain no compiler tools, like Autoconf.
781tentative_cc=""
782host_makefile_frag=/dev/null
783if test -d ${srcdir}/config ; then
784case "${host}" in
785 m68k-hp-hpux*)
786 # Avoid "too much defining" errors from HPUX compiler.
787 tentative_cc="cc -Wp,-H256000"
788 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
789 # If it's HP/UX ar, this should be harmless.
790 RANLIB="ar ts"
791 ;;
792 m68k-apollo-sysv*)
793 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
794 ;;
795 m68k-apollo-bsd*)
796 #None of the Apollo compilers can compile gas or binutils. The preprocessor
797 # chokes on bfd, the compiler won't let you assign integers to enums, and
798 # other problems. Defining CC to gcc is a questionable way to say "don't use
799 # the apollo compiler" (the preferred version of GCC could be called cc,
800 # or whatever), but I'm not sure leaving CC as cc is any better...
801 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
802 # Used to have BISON=yacc.
803 tentative_cc=gcc
804 ;;
805 m88k-dg-dgux*)
806 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
807 ;;
808 m88k-harris-cxux*)
809 # Under CX/UX, we want to tell the compiler to use ANSI mode.
810 tentative_cc="cc -Xa"
811 host_makefile_frag="config/mh-cxux"
812 ;;
813 m88k-motorola-sysv*)
814 ;;
815 mips*-dec-ultrix*)
816 tentative_cc="cc -Wf,-XNg1000"
817 host_makefile_frag="config/mh-decstation"
818 ;;
819 mips*-nec-sysv4*)
820 # The C compiler on NEC MIPS SVR4 needs bigger tables.
821 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
822 host_makefile_frag="config/mh-necv4"
823 ;;
824 mips*-sgi-irix4*)
825 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
826 # environment. Also bump switch table size so that cp-parse will
827 # compile. Bump string length limit so linker builds.
828 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
829 ;;
830 mips*-*-sysv4*)
831 host_makefile_frag="config/mh-sysv4"
832 ;;
833 mips*-*-sysv*)
834 # This is for a MIPS running RISC/os 4.52C.
835
836 # This is needed for GDB, but needs to be in the top-level make because
837 # if a library is compiled with the bsd headers and gets linked with the
838 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
839 # a different size).
840 # ptrace(2) apparently has problems in the BSD environment. No workaround is
841 # known except to select the sysv environment. Could we use /proc instead?
842 # These "sysv environments" and "bsd environments" often end up being a pain.
843 #
844 # This is not part of CFLAGS because perhaps not all C compilers have this
845 # option.
846 tentative_cc="cc -systype sysv"
847 ;;
848 i370-ibm-opened*)
849 tentative_cc="c89"
850 ;;
851 i[[3456789]]86-*-sysv5*)
852 host_makefile_frag="config/mh-sysv5"
853 ;;
854 i[[3456789]]86-*-dgux*)
855 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
856 host_makefile_frag="config/mh-dgux386"
857 ;;
858 i[[3456789]]86-ncr-sysv4.3*)
859 # The MetaWare compiler will generate a copyright message unless you
860 # turn it off by adding the -Hnocopyr flag.
861 tentative_cc="cc -Hnocopyr"
862 ;;
863 i[[3456789]]86-ncr-sysv4*)
864 # for an NCR 3000 (i486/SVR4) system.
865 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
866 # This compiler not only emits obnoxious copyright messages every time
867 # you run it, but it chokes and dies on a whole bunch of GNU source
868 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
869 tentative_cc="/usr/ccs/ATT/cc"
870 host_makefile_frag="config/mh-ncr3000"
871 ;;
872 i[[3456789]]86-*-sco3.2v5*)
873 ;;
874 i[[3456789]]86-*-sco*)
875 # The native C compiler botches some simple uses of const. Unfortunately,
876 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
877 tentative_cc="cc -Dconst="
878 host_makefile_frag="config/mh-sco"
879 ;;
880 i[[3456789]]86-*-udk*)
881 host_makefile_frag="config/mh-sysv5"
882 ;;
883 i[[3456789]]86-*-solaris2*)
884 host_makefile_frag="config/mh-sysv4"
885 ;;
886 i[[3456789]]86-*-msdosdjgpp*)
887 host_makefile_frag="config/mh-djgpp"
888 ;;
889 *-cygwin*)
890 host_makefile_frag="config/mh-cygwin"
891 ;;
892 *-mingw32*)
893 host_makefile_frag="config/mh-mingw32"
894 ;;
895 *-interix*)
896 host_makefile_frag="config/mh-interix"
897 ;;
898 vax-*-ultrix2*)
899 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
900 tentative_cc=gcc
901 ;;
902 *-*-solaris2*)
903 host_makefile_frag="config/mh-solaris"
904 ;;
905 m68k-sun-sunos*)
906 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
907 # without overflowing the jump tables (-J says to use a 32 bit table)
908 tentative_cc="cc -J"
909 ;;
910 *-hp-hpux*)
911 tentative_cc="cc -Wp,-H256000"
912 ;;
913 *-*-hiux*)
914 tentative_cc="cc -Wp,-H256000"
915 ;;
916 rs6000-*-lynxos*)
917 # /bin/cc is less than useful for our purposes. Always use GCC
918 tentative_cc="/usr/cygnus/progressive/bin/gcc"
919 host_makefile_frag="config/mh-lynxrs6k"
920 ;;
921 *-*-lynxos*)
922 # /bin/cc is less than useful for our purposes. Always use GCC
923 tentative_cc="/bin/gcc"
924 ;;
925 *-*-sysv4*)
926 host_makefile_frag="config/mh-sysv4"
927 ;;
928esac
929fi
930
931# If we aren't going to be using gcc, see if we can extract a definition
932# of CC from the fragment.
933# Actually, use the 'pre-extracted' version above.
934if test -z "${CC}" && test "${build}" = "${host}" ; then
935 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
936 found=
937 for dir in $PATH; do
938 test -z "$dir" && dir=.
939 if test -f $dir/gcc; then
940 found=yes
941 break
942 fi
943 done
944 IFS="$save_ifs"
945 if test -z "${found}" && test -n "${tentative_cc}" ; then
946 CC=$tentative_cc
947 fi
948fi
949
950if test "${build}" != "${host}" ; then
951 # If we are doing a Canadian Cross, in which the host and build systems
952 # are not the same, we set reasonable default values for the tools.
953
954 BISON=${BISON-bison}
955 CC=${CC-${host_alias}-gcc}
956 CFLAGS=${CFLAGS-"-g -O2"}
957 CXX=${CXX-${host_alias}-c++}
958 CXXFLAGS=${CXXFLAGS-"-g -O2"}
959 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
960 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
961 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
962 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
963 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
964 BUILD_PREFIX=${build_alias}-
965 BUILD_PREFIX_1=${build_alias}-
966 MAKEINFO=${MAKEINFO-makeinfo}
967
968 if test -z "${YACC}" ; then
969 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
970 for dir in $PATH; do
971 test -z "$dir" && dir=.
972 if test -f $dir/bison; then
973 YACC="bison -y"
974 break
975 fi
976 if test -f $dir/byacc; then
977 YACC=byacc
978 break
979 fi
980 if test -f $dir/yacc; then
981 YACC=yacc
982 break
983 fi
984 done
985 IFS="$save_ifs"
986 if test -z "${YACC}" ; then
987 YACC="bison -y"
988 fi
989 fi
990
991 if test -z "${LEX}" ; then
992 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
993 for dir in $PATH; do
994 test -z "$dir" && dir=.
995 if test -f $dir/flex; then
996 LEX=flex
997 break
998 fi
999 if test -f $dir/lex; then
1000 LEX=lex
1001 break
1002 fi
1003 done
1004 IFS="$save_ifs"
1005 LEX=${LEX-flex}
1006 fi
1007
1008else
1009 # Set reasonable default values for some tools even if not Canadian.
1010 # Of course, these are different reasonable default values, originally
1011 # specified directly in the Makefile.
1012 # We don't export, so that autoconf can do its job.
1013 # Note that all these settings are above the fragment inclusion point
1014 # in Makefile.in, so can still be overridden by fragments.
1015 # This is all going to change when we autoconfiscate...
1016
1017 BISON="\$(USUAL_BISON)"
1018 CC_FOR_BUILD="\$(CC)"
1019 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1020 BUILD_PREFIX=
1021 BUILD_PREFIX_1=loser-
1022 MAKEINFO="\$(USUAL_MAKEINFO)"
1023 LEX="\$(USUAL_LEX)"
1024 YACC="\$(USUAL_YACC)"
1025
1026 # If CC is still not set, try to get gcc.
1027 cc_prog_is_gcc=
1028 if test -z "${CC}" ; then
1029 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1030 for dir in $PATH; do
1031 test -z "$dir" && dir=.
1032 if test -f $dir/gcc; then
1033 CC="gcc"
1034 cc_prog_is_gcc=yes
1035 echo 'void f(){}' > conftest.c
1036 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1037 CFLAGS=${CFLAGS-"-g -O2"}
1038 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1039 else
1040 CFLAGS=${CFLAGS-"-O2"}
1041 CXXFLAGS=${CXXFLAGS-"-O2"}
1042 fi
1043 rm -f conftest*
1044 break
1045 fi
1046 done
1047 IFS="$save_ifs"
1048 CC=${CC-cc}
1049 else
1050 # Determine if we are using gcc.
1051 cat > conftest.c <<EOF
1052#ifdef __GNUC__
1053 yes;
1054#endif
1055EOF
1056 if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1057 cc_prog_is_gcc=yes
1058 fi
1059 rm -f conftest.c
1060 if test -z "${CFLAGS}"; then
1061 # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
1062 # is set to a version of gcc.
1063 if test "$cc_prog_is_gcc" = yes; then
1064 echo 'void f(){}' > conftest.c
1065 if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1066 CFLAGS=${CFLAGS-"-g -O2"}
1067 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1068 else
1069 CFLAGS=${CFLAGS-"-O2"}
1070 CXXFLAGS=${CXXFLAGS-"-O2"}
1071 fi
1072 rm -f conftest*
1073 fi
1074 fi
1075 fi
1076
1077 # We must set the default linker to the linker used by gcc for the correct
1078 # operation of libtool. If LD is not defined and we are using gcc, try to
1079 # set the LD default to the ld used by gcc.
1080 if test -z "$LD"; then
1081 if test "$cc_prog_is_gcc" = yes; then
1082 case $build in
1083 *-*-mingw*)
1084 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1085 *)
1086 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1087 esac
1088 case $gcc_prog_ld in
1089 # Accept absolute paths.
1090 [[\\/]* | [A-Za-z]:[\\/]*)]
1091 LD="$gcc_prog_ld" ;;
1092 esac
1093 fi
1094 fi
1095
1096 CXX=${CXX-"c++"}
1097 CFLAGS=${CFLAGS-"-g"}
1098 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1099fi
1100
1101ACX_PROG_GNAT
1102ACX_PROG_CMP_IGNORE_INITIAL
1103
1104# Check for GMP
1105gmplibs=
1106gmpinc=
1107have_gmp=yes
1108# Specify a location for gmp
1109AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1110
1111if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
1112 gmpinc="-I$with_gmp_dir"
1113 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1114 gmplibs="$with_gmp_dir/.libs/libgmp.a"
1115 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1116 gmplibs="$with_gmp_dir/_libs/libgmp.a"
1117 fi
1118 # One of the later tests will catch the error if neither library is present.
1119fi
1120
1121AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1122
1123if test "x$with_gmp" != x && test -d "$with_gmp"; then
1124 gmplibs="-L$with_gmp/lib -lgmp"
1125 gmpinc="-I$with_gmp/include"
1126fi
1127
1128# Use system gmp if nothing else specified
1129if test "x$gmplibs" = x; then
1130 gmplibs="-lgmp"
1131fi
1132
1133saved_CFLAGS="$CFLAGS"
1134CFLAGS="$CFLAGS $gmpinc"
1135# Check GMP actually works
1136AC_MSG_CHECKING([for correct version of gmp.h])
1137AC_TRY_COMPILE([#include "gmp.h"],[
1138#if __GNU_MP_VERSION < 3
1139choke me
1140#endif
1141], [AC_MSG_RESULT([yes])],
1142 [AC_MSG_RESULT([no]); have_gmp=no])
1143
1144if test x"$have_gmp" = xyes; then
1145 AC_MSG_CHECKING([for mpf_init in -lgmp])
1146
1147 saved_LIBS="$LIBS"
1148 LIBS="$LIBS $gmplibs"
1149 AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
1150 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1151 LIBS="$saved_LIBS"
1152 CFLAGS="$saved_CFLAGS"
1153fi
1154
1155AC_SUBST(gmplibs)
1156AC_SUBST(gmpinc)
1157
1158# By default, C is the only stage 1 language.
1159stage1_languages=c
1160AC_SUBST(stage1_languages)
1161
1162# Figure out what language subdirectories are present.
1163# Look if the user specified --enable-languages="..."; if not, use
1164# the environment variable $LANGUAGES if defined. $LANGUAGES might
1165# go away some day.
1166# NB: embedded tabs in this IF block -- do not untabify
1167if test -d ${srcdir}/gcc; then
1168 if test x"${enable_languages+set}" != xset; then
1169 if test x"${LANGUAGES+set}" = xset; then
1170 enable_languages="${LANGUAGES}"
1171 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1172 else
1173 enable_languages=all
1174 fi
1175 else
1176 if test x"${enable_languages}" = x ||
1177 test x"${enable_languages}" = xyes;
1178 then
1179 echo configure.in: --enable-languages needs at least one language argument 1>&2
1180 exit 1
1181 fi
1182 fi
1183 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1184
1185 # First scan to see if an enabled language requires some other language.
1186 # We assume that a given config-lang.in will list all the language
1187 # front ends it requires, even if some are required indirectly.
1188 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1189 case ${lang_frag} in
1190 ..) ;;
1191 # The odd quoting in the next line works around
1192 # an apparent bug in bash 1.12 on linux.
1193 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1194 *)
1195 # From the config-lang.in, get $language, $lang_requires
1196 language=
1197 lang_requires=
1198 . ${lang_frag}
1199 for other in ${lang_requires} ; do
1200 case ,${enable_languages}, in
1201 *,$other,*) ;;
1202 *,all,*) ;;
1203 *,$language,*)
1204 echo " \`$other' language required by \`$language'; enabling" 1>&2
1205 enable_languages="${enable_languages},${other}"
1206 ;;
1207 esac
1208 done
1209 ;;
1210 esac
1211 done
1212
1213 new_enable_languages=c
1214 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1215
1216 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1217 case ${lang_frag} in
1218 ..) ;;
1219 # The odd quoting in the next line works around
1220 # an apparent bug in bash 1.12 on linux.
1221 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1222 *)
1223 # From the config-lang.in, get $language, $target_libs,
1224 # $lang_dirs, $boot_language, and $build_by_default
1225 language=
1226 target_libs=
1227 lang_dirs=
1228 boot_language=
1229 build_by_default=
1230 need_gmp=
1231 . ${lang_frag}
1232 # This is quite sensitive to the ordering of the case statement arms.
1233 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1234 *::*:*)
1235 echo "${lang_frag} doesn't set \$language." 1>&2
1236 exit 1
1237 ;;
1238 *:ada:no:*)
1239 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1240 add_this_lang=no
1241 ;;
1242 *,${language},*:*:*:*)
1243 # Language was explicitly selected; include it.
1244 add_this_lang=yes
1245 ;;
1246 *,all,*:*:*:no)
1247 # 'all' was selected, but this is not a default language
1248 # so do not include it.
1249 add_this_lang=no
1250 ;;
1251 *,all,*:*:*:*)
1252 # 'all' was selected and this is a default language; include it.
1253 add_this_lang=yes
1254 ;;
1255 *)
1256 add_this_lang=no
1257 ;;
1258 esac
1259
1260 # Disable language that need GMP if it isn't available.
1261 if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1262 add_this_lang=no
1263 fi
1264
1265 case $add_this_lang in
1266 no)
1267 # Remove language-dependent dirs.
1268 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1269 ;;
1270 *)
1271 new_enable_languages="$new_enable_languages,$language"
1272 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1273 case ${boot_language} in
1274 yes)
1275 # Add to (comma-separated) list of stage 1 languages.
1276 stage1_languages="${stage1_languages},${language}"
1277 ;;
1278 esac
1279 ;;
1280 esac
1281 ;;
1282 esac
1283 done
1284
1285 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1286 if test "x$missing_languages" != x; then
1287 AC_MSG_ERROR([
1288The following requested languages were not found: ${missing_languages}])
1289 fi
1290
1291 if test "x$new_enable_languages" != "x$enable_languages"; then
1292 echo The following languages will be built: ${new_enable_languages}
1293 fi
1294 enable_languages="$new_enable_languages"
1295 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1296fi
1297
1298# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1299# $target_configdirs.
1300# If we have the source for $noconfigdirs entries, add them to $notsupp.
1301
1302notsupp=""
1303for dir in . $skipdirs $noconfigdirs ; do
1304 dirname=`echo $dir | sed -e s/target-//g`
1305 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1306 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1307 if test -r $srcdir/$dirname/configure ; then
1308 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1309 true
1310 else
1311 notsupp="$notsupp $dir"
1312 fi
1313 fi
1314 fi
1315 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1316 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1317 if test -r $srcdir/$dirname/configure ; then
1318 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1319 true
1320 else
1321 notsupp="$notsupp $dir"
1322 fi
1323 fi
1324 fi
1325done
1326
1327# Sometimes the tools are distributed with libiberty but with no other
1328# libraries. In that case, we don't want to build target-libiberty.
1329if test -n "${target_configdirs}" ; then
1330 others=
1331 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1332 if test "$i" != "libiberty" ; then
1333 if test -r $srcdir/$i/configure ; then
1334 others=yes;
1335 break;
1336 fi
1337 fi
1338 done
1339 if test -z "${others}" ; then
1340 target_configdirs=
1341 fi
1342fi
1343
1344# Quietly strip out all directories which aren't configurable in this tree.
1345# This relies on all configurable subdirectories being autoconfiscated, which
1346# is now the case.
1347configdirs_all="$configdirs"
1348configdirs=
1349for i in ${configdirs_all} ; do
1350 if test -f ${srcdir}/$i/configure ; then
1351 configdirs="${configdirs} $i"
1352 fi
1353done
1354target_configdirs_all="$target_configdirs"
1355target_configdirs=
1356for i in ${target_configdirs_all} ; do
1357 j=`echo $i | sed -e s/target-//g`
1358 if test -f ${srcdir}/$j/configure ; then
1359 target_configdirs="${target_configdirs} $i"
1360 fi
1361done
1362
1363# Produce a warning message for the subdirs we can't configure.
1364# This isn't especially interesting in the Cygnus tree, but in the individual
1365# FSF releases, it's important to let people know when their machine isn't
1366# supported by the one or two programs in a package.
1367
1368if test -n "${notsupp}" && test -z "${norecursion}" ; then
1369 # If $appdirs is non-empty, at least one of those directories must still
1370 # be configured, or we error out. (E.g., if the gas release supports a
1371 # specified target in some subdirs but not the gas subdir, we shouldn't
1372 # pretend that all is well.)
1373 if test -n "$appdirs" ; then
1374 for dir in $appdirs ; do
1375 if test -r $dir/Makefile.in ; then
1376 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1377 appdirs=""
1378 break
1379 fi
1380 if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1381 appdirs=""
1382 break
1383 fi
1384 fi
1385 done
1386 if test -n "$appdirs" ; then
1387 echo "*** This configuration is not supported by this package." 1>&2
1388 exit 1
1389 fi
1390 fi
1391 # Okay, some application will build, or we don't care to check. Still
1392 # notify of subdirs not getting built.
1393 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1394 echo " ${notsupp}" 1>&2
1395 echo " (Any other directories should still work fine.)" 1>&2
1396fi
1397
1398case "$host" in
1399 *msdosdjgpp*)
1400 enable_gdbtk=no ;;
1401esac
1402
1403copy_dirs=
1404
1405# Handle --with-headers=XXX. If the value is not "yes", the contents of
1406# the named directory are copied to $(tooldir)/sys-include.
1407if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1408 if test x${is_cross_compiler} = xno ; then
1409 echo 1>&2 '***' --with-headers is only supported when cross compiling
1410 exit 1
1411 fi
1412 if test x"${with_headers}" != xyes ; then
1413 case "${exec_prefixoption}" in
1414 "") x=${prefix} ;;
1415 *) x=${exec_prefix} ;;
1416 esac
1417 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1418 fi
1419fi
1420
1421# Handle --with-libs=XXX. If the value is not "yes", the contents of
1422# the name directories are copied to $(tooldir)/lib. Multiple directories
1423# are permitted.
1424if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1425 if test x${is_cross_compiler} = xno ; then
1426 echo 1>&2 '***' --with-libs is only supported when cross compiling
1427 exit 1
1428 fi
1429 if test x"${with_libs}" != xyes ; then
1430 # Copy the libraries in reverse order, so that files in the first named
1431 # library override files in subsequent libraries.
1432 case "${exec_prefixoption}" in
1433 "") x=${prefix} ;;
1434 *) x=${exec_prefix} ;;
1435 esac
1436 for l in ${with_libs}; do
1437 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1438 done
1439 fi
1440fi
1441
1442# Handle ${copy_dirs}
1443set fnord ${copy_dirs}
1444shift
1445while test $# != 0 ; do
1446 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1447 :
1448 else
1449 echo Copying $1 to $2
1450
1451 # Use the install script to create the directory and all required
1452 # parent directories.
1453 if test -d $2 ; then
1454 :
1455 else
1456 echo >config.temp
1457 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1458 fi
1459
1460 # Copy the directory, assuming we have tar.
1461 # FIXME: Should we use B in the second tar? Not all systems support it.
1462 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1463
1464 # It is the responsibility of the user to correctly adjust all
1465 # symlinks. If somebody can figure out how to handle them correctly
1466 # here, feel free to add the code.
1467
1468 echo $1 > $2/COPIED
1469 fi
1470 shift; shift
1471done
1472
1473extra_arflags_for_target=
1474extra_nmflags_for_target=
1475extra_ranlibflags_for_target=
1476target_makefile_frag=/dev/null
1477case "${target}" in
1478 i[[3456789]]86-*-netware*)
1479 target_makefile_frag="config/mt-netware"
1480 ;;
1481 powerpc-*-netware*)
1482 target_makefile_frag="config/mt-netware"
1483 ;;
1484 *-*-linux*)
1485 target_makefile_frag="config/mt-linux"
1486 ;;
1487 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1488 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1489 # commands to handle both 32-bit and 64-bit objects. These flags are
1490 # harmless if we're using GNU nm or ar.
1491 extra_arflags_for_target=" -X32_64"
1492 extra_nmflags_for_target=" -B -X32_64"
1493 ;;
1494 *-*-darwin*)
1495 # ranlib from Darwin requires the -c flag to look at common symbols.
1496 extra_ranlibflags_for_target=" -c"
1497 ;;
1498 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1499 target_makefile_frag="config/mt-wince"
1500 ;;
1501esac
1502
1503alphaieee_frag=/dev/null
1504case $target in
1505 alpha*-*-*)
1506 # This just makes sure to use the -mieee option to build target libs.
1507 # This should probably be set individually by each library.
1508 alphaieee_frag="config/mt-alphaieee"
1509 ;;
1510esac
1511
1512# If --enable-target-optspace always use -Os instead of -O2 to build
1513# the target libraries, similarly if it is not specified, use -Os
1514# on selected platforms.
1515ospace_frag=/dev/null
1516case "${enable_target_optspace}:${target}" in
1517 yes:*)
1518 ospace_frag="config/mt-ospace"
1519 ;;
1520 :d30v-*)
1521 ospace_frag="config/mt-d30v"
1522 ;;
1523 :m32r-* | :d10v-* | :fr30-*)
1524 ospace_frag="config/mt-ospace"
1525 ;;
1526 no:* | :*)
1527 ;;
1528 *)
1529 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1530 ;;
1531esac
1532
1533# Set with_gnu_as and with_gnu_ld as appropriate.
1534#
1535# This is done by determining whether or not the appropriate directory
1536# is available, and by checking whether or not specific configurations
1537# have requested that this magic not happen.
1538#
1539# The command line options always override the explicit settings in
1540# configure.in, and the settings in configure.in override this magic.
1541#
1542# If the default for a toolchain is to use GNU as and ld, and you don't
1543# want to do that, then you should use the --without-gnu-as and
1544# --without-gnu-ld options for the configure script.
1545
1546if test x${use_gnu_as} = x &&
1547 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1548 with_gnu_as=yes
1549 extra_host_args="$extra_host_args --with-gnu-as"
1550fi
1551
1552if test x${use_gnu_ld} = x &&
1553 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1554 with_gnu_ld=yes
1555 extra_host_args="$extra_host_args --with-gnu-ld"
1556fi
1557
1558# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1559# can detect this case.
1560
1561if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1562 with_newlib=yes
1563 extra_host_args="$extra_host_args --with-newlib"
1564fi
1565
1566if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1567 extra_host_args="$extra_host_args --with-libbanshee"
1568fi
1569
1570# Default to using --with-stabs for certain targets.
1571if test x${with_stabs} = x ; then
1572 case "${target}" in
1573 mips*-*-irix[[56]]*)
1574 ;;
1575 mips*-*-* | alpha*-*-osf*)
1576 with_stabs=yes;
1577 extra_host_args="${extra_host_args} --with-stabs"
1578 ;;
1579 esac
1580fi
1581
1582# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1583# them automatically.
1584case "${host}" in
1585 hppa*64*-*-hpux11*)
1586 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1587 ;;
1588esac
1589
1590# Some systems (e.g., one of the i386-aix systems the gas testers are
1591# using) don't handle "\$" correctly, so don't use it here.
1592tooldir='${exec_prefix}'/${target_alias}
1593build_tooldir=${tooldir}
1594
1595# Generate default definitions for YACC, M4, LEX. These are used if the
1596# Makefile can't locate these programs in objdir.
1597MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1598AC_CHECK_PROGS([DEFAULT_YACC], ['bison -y' byacc yacc], [$MISSING bison])
1599AC_CHECK_PROGS([DEFAULT_M4], [gm4 gnum4 m4], [$MISSING m4])
1600AC_CHECK_PROGS([DEFAULT_LEX], [flex lex], [$MISSING flex])
1601
1602# Create a .gdbinit file which runs the one in srcdir
1603# and tells GDB to look there for source files.
1604
1605if test -r ${srcdir}/.gdbinit ; then
1606 case ${srcdir} in
1607 .) ;;
1608 *) cat > ./.gdbinit <<EOF
1609# ${NO_EDIT}
1610dir ${srcdir}
1611dir .
1612source ${srcdir}/.gdbinit
1613EOF
1614 ;;
1615 esac
1616fi
1617
1618# Make sure that the compiler is able to generate an executable. If it
1619# can't, we are probably in trouble. We don't care whether we can run the
1620# executable--we might be using a cross compiler--we only care whether it
1621# can be created. At this point the main configure script has set CC.
1622we_are_ok=no
1623echo "int main () { return 0; }" > conftest.c
1624${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1625if test $? = 0 ; then
1626 if test -s conftest || test -s conftest.exe ; then
1627 we_are_ok=yes
1628 fi
1629fi
1630case $we_are_ok in
1631 no)
1632 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1633 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1634 rm -f conftest*
1635 exit 1
1636 ;;
1637esac
1638rm -f conftest*
1639
1640# The Solaris /usr/ucb/cc compiler does not appear to work.
1641case "${host}" in
1642 sparc-sun-solaris2*)
1643 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1644 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1645 could_use=
1646 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1647 if test -d /opt/cygnus/bin ; then
1648 if test "$could_use" = "" ; then
1649 could_use="/opt/cygnus/bin"
1650 else
1651 could_use="$could_use or /opt/cygnus/bin"
1652 fi
1653 fi
1654 if test "$could_use" = "" ; then
1655 echo "Warning: compilation may fail because you're using"
1656 echo "/usr/ucb/cc. You should change your PATH or CC "
1657 echo "variable and rerun configure."
1658 else
1659 echo "Warning: compilation may fail because you're using"
1660 echo "/usr/ucb/cc, when you should use the C compiler from"
1661 echo "$could_use. You should change your"
1662 echo "PATH or CC variable and rerun configure."
1663 fi
1664 fi
1665 ;;
1666esac
1667
1668# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1669# binutils tools will find libbfd.so.
1670case "${enable_shared}" in
1671 no | "") SET_LIB_PATH= ;;
1672 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1673esac
1674
1675case "${host}" in
1676 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1677 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1678esac
1679
1680# Record target_configdirs and the configure arguments for target and
1681# build configuration in Makefile.
1682target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1683
1684# This is the final value for target_configdirs. configdirs already
1685# has its final value, as does build_modules. It's time to create some
1686# lists of valid targets.
1687
1688all_build_modules=
1689configure_build_modules=
1690for module in ${build_modules} ; do
1691 all_build_modules=all-build-${module}
1692 configure_build_modules=configure-build-${module}
1693done
1694
1695# Determine whether gdb needs tk/tcl or not.
1696# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1697# and in that case we want gdb to be built without tk. Ugh!
1698# In fact I believe gdb is the *only* package directly dependent on tk,
1699# so we should be able to put the 'maybe's in unconditionally and
1700# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1701# 100% sure that that's safe though.
1702
1703gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1704case "$enable_gdbtk" in
1705 no)
1706 GDB_TK="" ;;
1707 yes)
1708 GDB_TK="${gdb_tk}" ;;
1709 *)
1710 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1711 # distro. Eventually someone will fix this and move Insight, nee
1712 # gdbtk to a separate directory.
1713 if test -d ${srcdir}/gdb/gdbtk ; then
1714 GDB_TK="${gdb_tk}"
1715 else
1716 GDB_TK=""
1717 fi
1718 ;;
1719esac
1720
1721# Strip out unwanted targets.
1722
1723# While at that, we remove Makefiles if we were started for recursive
1724# configuration, so that the top-level Makefile reconfigures them,
1725# like we used to do when configure itself was recursive.
1726
1727# Loop over modules. $extrasub must be used with care, limiting as
1728# much as possible the usage of range addresses. That's because autoconf
1729# splits the sed script to overcome limits in the number of commands,
1730# and relying on carefully-timed sed passes may turn out to be very hard
1731# to maintain later. In this particular case, you just have to be careful
1732# not to nest @if/@endif pairs, because configure will not warn you at all.
1733
1734AC_ARG_ENABLE([bootstrap],
1735[ --enable-bootstrap Enable bootstrapping [no]],,
1736enable_bootstrap=no)
1737if test -d ${srcdir}/gcc; then
1738 case "$host:$target:$enable_bootstrap" in
1739 $build:$build:yes | *:no) ;;
1740 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1741 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1742 esac
1743else
1744 if test $enable_bootstrap = yes; then
1745 AC_MSG_ERROR([cannot bootstrap without a compiler])
1746 fi
1747fi
1748
1749case "$enable_bootstrap" in
1750 yes)
1751 default_target=bootstrap
1752 bootstrap_suffix=bootstrap ;;
1753 no)
1754 default_target=all
1755 bootstrap_suffix=no-bootstrap ;;
1756esac
1757AC_SUBST(default_target)
1758
1759for module in ${build_modules} ; do
1760 if test -z "${no_recursion}" \
1761 && test -f ${build_subdir}/${module}/Makefile; then
1762 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1763 rm -f ${build_subdir}/${module}/Makefile
1764 fi
1765 extrasub="$extrasub
1766/^@if build-$module\$/d
1767/^@endif build-$module\$/d
1768/^@if build-$module-$bootstrap_suffix\$/d
1769/^@endif build-$module-$bootstrap_suffix\$/d"
1770done
1771for module in ${configdirs} ; do
1772 if test -z "${no_recursion}" \
1773 && test -f ${module}/Makefile; then
1774 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1775 rm -f ${module}/Makefile
1776 fi
1777 extrasub="$extrasub
1778/^@if $module\$/d
1779/^@endif $module\$/d
1780/^@if $module-$bootstrap_suffix\$/d
1781/^@endif $module-$bootstrap_suffix\$/d"
1782done
1783for module in ${target_configdirs} ; do
1784 if test -z "${no_recursion}" \
1785 && test -f ${target_subdir}/${module}/Makefile; then
1786 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1787 rm -f ${target_subdir}/${module}/Makefile
1788 fi
1789 extrasub="$extrasub
1790/^@if target-$module\$/d
1791/^@endif target-$module\$/d
1792/^@if target-$module-$bootstrap_suffix\$/d
1793/^@endif target-$module-$bootstrap_suffix\$/d"
1794done
1795
1796extrasub="$extrasub
1797/^@if /,/^@endif /d"
1798
1799# Create the serialization dependencies. This uses a temporary file.
1800
1801AC_ARG_ENABLE([serial-configure],
1802[ --enable-serial-[{host,target,build}-]configure
1803 Force sequential configuration of
1804 sub-packages for the host, target or build
1805 machine, or all sub-packages])
1806
1807case ${enable_serial_configure} in
1808 yes)
1809 enable_serial_build_configure=yes
1810 enable_serial_host_configure=yes
1811 enable_serial_target_configure=yes
1812 ;;
1813esac
1814
1815# These force 'configure's to be done one at a time, to avoid problems
1816# with contention over a shared config.cache.
1817rm -f serdep.tmp
1818echo '# serdep.tmp' > serdep.tmp
1819olditem=
1820test "x${enable_serial_build_configure}" = xyes &&
1821for item in ${build_configdirs} ; do
1822 case ${olditem} in
1823 "") ;;
1824 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1825 esac
1826 olditem=${item}
1827done
1828olditem=
1829test "x${enable_serial_host_configure}" = xyes &&
1830for item in ${configdirs} ; do
1831 case ${olditem} in
1832 "") ;;
1833 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1834 esac
1835 olditem=${item}
1836done
1837olditem=
1838test "x${enable_serial_target_configure}" = xyes &&
1839for item in ${target_configdirs} ; do
1840 case ${olditem} in
1841 "") ;;
1842 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1843 esac
1844 olditem=${item}
1845done
1846serialization_dependencies=serdep.tmp
1847AC_SUBST_FILE(serialization_dependencies)
1848
1849# Base args. Strip norecursion, cache-file, srcdir, host, build,
1850# target and nonopt. These are the ones we might not want to pass
1851# down to subconfigures. Also strip program-prefix, program-suffix,
1852# and program-transform-name, so that we can pass down a consistent
1853# program-transform-name. If autoconf has put single quotes around
1854# any of these arguments (because they contain shell metacharacters)
1855# then this will fail; in practice this only happens for
1856# --program-transform-name, so be sure to override --program-transform-name
1857# at the end of the argument list.
1858# These will be expanded by make, so quote '$'.
1859cat <<\EOF_SED > conftestsed
1860s/ --no[[^ ]]*/ /g
1861s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1862s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1863s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1864s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1865s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1866s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1867s/ -cache-file[[= ]][[^ ]]*//g
1868s/ -srcdir[[= ]][[^ ]]*//g
1869s/ -host[[= ]][[^ ]]*//g
1870s/ -build[[= ]][[^ ]]*//g
1871s/ -target[[= ]][[^ ]]*//g
1872s/ -program-prefix[[= ]][[^ ]]*//g
1873s/ -program-suffix[[= ]][[^ ]]*//g
1874s/ -program-transform-name[[= ]][[^ ]]*//g
1875s/ [[^' -][^ ]*] / /
1876s/^ *//;s/ *$//
1877s,\$,$$,g
1878EOF_SED
1879sed -f conftestsed <<EOF_SED > conftestsed.out
1880 ${ac_configure_args}
1881EOF_SED
1882baseargs=`cat conftestsed.out`
1883rm -f conftestsed conftestsed.out
1884
1885# Add in --program-transform-name, after --program-prefix and
1886# --program-suffix have been applied to it. Autoconf has already
1887# doubled dollar signs and backslashes in program_transform_name; we want
1888# the backslashes un-doubled, and then the entire thing wrapped in single
1889# quotes, because this will be expanded first by make and then by the shell.
1890# Also, because we want to override the logic in subdir configure scripts to
1891# choose program_transform_name, replace any s,x,x, with s,y,y,.
1892sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1893${program_transform_name}
1894EOF_SED
1895gcc_transform_name=`cat conftestsed.out`
1896rm -f conftestsed.out
1897baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1898
1899# For the build-side libraries, we just need to pretend we're native,
1900# and not use the same cache file. Multilibs are neither needed nor
1901# desired.
1902build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1903
1904# For host modules, accept cache file option, or specification as blank.
1905case "${cache_file}" in
1906"") # empty
1907 cache_file_option="" ;;
1908/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1909 cache_file_option="--cache-file=${cache_file}" ;;
1910*) # relative path
1911 cache_file_option="--cache-file=../${cache_file}" ;;
1912esac
1913
1914# Host dirs don't like to share a cache file either, horribly enough.
1915# This seems to be due to autoconf 2.5x stupidity.
1916host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1917
1918target_configargs=${baseargs}
1919
1920# Passing a --with-cross-host argument lets the target libraries know
1921# whether they are being built with a cross-compiler or being built
1922# native. However, it would be better to use other mechanisms to make the
1923# sorts of decisions they want to make on this basis. Please consider
1924# this option to be deprecated. FIXME.
1925if test x${is_cross_compiler} = xyes ; then
1926 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1927fi
1928
1929# Default to --enable-multilib.
1930if test x${enable_multilib} = x ; then
1931 target_configargs="--enable-multilib ${target_configargs}"
1932fi
1933
1934# Pass --with-newlib if appropriate. Note that target_configdirs has
1935# changed from the earlier setting of with_newlib.
1936if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1937 target_configargs="--with-newlib ${target_configargs}"
1938fi
1939
1940# Different target subdirs use different values of certain variables
1941# (notably CXX). Worse, multilibs use *lots* of different values.
1942# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1943# it doesn't automatically accept command-line overrides of them.
1944# This means it's not safe for target subdirs to share a cache file,
1945# which is disgusting, but there you have it. Hopefully this can be
1946# fixed in future. It's still worthwhile to use a cache file for each
1947# directory. I think.
1948
1949# Pass the appropriate --host, --build, and --cache-file arguments.
1950target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1951
1952# provide a proper gxx_include_dir.
1953# Note, if you change the default, make sure to fix both here and in
1954# the gcc and libstdc++-v3 subdirectories.
1955# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1956case "${with_gxx_include_dir}" in
1957 yes)
1958 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1959 ;;
1960 no | "")
1961 case "${enable_version_specific_runtime_libs}" in
1962 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1963 *)
1964 . ${srcdir}/config.if
1965 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1966 esac ;;
1967 *) gxx_include_dir=${with_gxx_include_dir} ;;
1968esac
1969
1970FLAGS_FOR_TARGET=
1971case " $target_configdirs " in
1972 *" newlib "*)
1973 case " $target_configargs " in
1974 *" --with-newlib "*)
1975 case "$target" in
1976 *-cygwin*)
1977 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 $$s/winsup/w32api/include' ;;
1978 esac
1979
1980 # If we're not building GCC, don't discard standard headers.
1981 if test -d ${srcdir}/gcc; then
1982 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1983
1984 if test "${build}" != "${host}"; then
1985 # On Canadian crosses, CC_FOR_TARGET will have already been set
1986 # by `configure', so we won't have an opportunity to add -Bgcc/
1987 # to it. This is right: we don't want to search that directory
1988 # for binaries, but we want the header files in there, so add
1989 # them explicitly.
1990 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1991
1992 # Someone might think of using the pre-installed headers on
1993 # Canadian crosses, in case the installed compiler is not fully
1994 # compatible with the compiler being built. In this case, it
1995 # would be better to flag an error than risking having
1996 # incompatible object files being constructed. We can't
1997 # guarantee that an error will be flagged, but let's hope the
1998 # compiler will do it, when presented with incompatible header
1999 # files.
2000 fi
2001 fi
2002
2003 case "${target}-${is_cross_compiler}" in
2004 i[[3456789]]86-*-linux*-no)
2005 # Here host == target, so we don't need to build gcc,
2006 # so we don't want to discard standard headers.
2007 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2008 ;;
2009 *)
2010 # If we're building newlib, use its generic headers last, but search
2011 # for any libc-related directories first (so make it the last -B
2012 # switch).
2013 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2014 ;;
2015 esac
2016 ;;
2017 esac
2018 ;;
2019esac
2020
2021# Allow the user to override the flags for
2022# our build compiler if desired.
2023CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2024
2025# On Canadian crosses, we'll be searching the right directories for
2026# the previously-installed cross compiler, so don't bother to add
2027# flags for directories within the install tree of the compiler
2028# being built; programs in there won't even run.
2029if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2030 # Search for pre-installed headers if nothing else fits.
2031 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2032fi
2033
2034if test "x${use_gnu_ld}" = x &&
2035 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2036 # Arrange for us to find uninstalled linker scripts.
2037 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2038fi
2039
2040if test "x${CC_FOR_TARGET+set}" = xset; then
2041 :
2042elif test -d ${srcdir}/gcc; then
2043 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2044elif test "$host" = "$target"; then
2045 CC_FOR_TARGET='$(CC)'
2046else
2047 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2048fi
2049CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2050
2051if test "x${GCJ_FOR_TARGET+set}" = xset; then
2052 :
2053elif test -d ${srcdir}/gcc; then
2054 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2055elif test "$host" = "$target"; then
2056 GCJ_FOR_TARGET='gcj'
2057else
2058 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2059fi
2060GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2061
2062if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2063 :
2064elif test -d ${srcdir}/gcc; then
2065 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2066elif test "$host" = "$target"; then
2067 GFORTRAN_FOR_TARGET='gfortran'
2068else
2069 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2070fi
2071case $GFORTRAN_FOR_TARGET in
2072*' $(FLAGS_FOR_TARGET)') ;;
2073*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2074esac
2075
2076# Don't use libstdc++-v3's flags to configure/build itself.
2077libstdcxx_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'
2078raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2079
2080if test "x${CXX_FOR_TARGET+set}" = xset; then
2081 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2082 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2083 fi
2084elif test -d ${srcdir}/gcc; then
2085 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2086 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2087 # default whereas gcc does not.
2088 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2089 # all other cases.
2090 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2091 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2092elif test "$host" = "$target"; then
2093 CXX_FOR_TARGET='$(CXX)'
2094 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2095else
2096 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2097 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2098fi
2099CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2100RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2101
2102qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2103qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2104
2105# We want to defer the evaluation of `cmd`s and shell variables in
2106# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2107# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2108# quotes, but we still have to duplicate `$'s so that shell variables
2109# can be expanded by the nested make as shell variables, not as make
2110# macros.
2111qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2112qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2113
2114# Wrap CC_FOR_TARGET and friends, for certain types of builds.
2115CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2116GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2117GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2118CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2119RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2120CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2121RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2122
2123# Makefile fragments.
2124host_makefile_frag=${srcdir}/${host_makefile_frag}
2125target_makefile_frag=${srcdir}/${target_makefile_frag}
2126alphaieee_frag=${srcdir}/${alphaieee_frag}
2127ospace_frag=${srcdir}/${ospace_frag}
2128AC_SUBST_FILE(host_makefile_frag)
2129AC_SUBST_FILE(target_makefile_frag)
2130AC_SUBST_FILE(alphaieee_frag)
2131AC_SUBST_FILE(ospace_frag)
2132
2133# Miscellanea: directories, flags, etc.
2134AC_SUBST(SET_LIB_PATH)
2135AC_SUBST(RPATH_ENVVAR)
2136AC_SUBST(BUILD_PREFIX)
2137AC_SUBST(BUILD_PREFIX_1)
2138AC_SUBST(gcc_version_trigger)
2139AC_SUBST(gcc_version)
2140AC_SUBST(tooldir)
2141AC_SUBST(build_tooldir)
2142AC_SUBST(GDB_TK)
2143AC_SUBST(gxx_include_dir)
2144AC_SUBST(libstdcxx_incdir)
2145
2146# Build module lists & subconfigure args.
2147AC_SUBST(build_configargs)
2148AC_SUBST(configure_build_modules)
2149AC_SUBST(all_build_modules)
2150
2151# Host module lists & subconfigure args.
2152AC_SUBST(host_configargs)
2153AC_SUBST(configdirs)
2154
2155# Target module lists & subconfigure args.
2156AC_SUBST(target_configargs)
2157AC_SUBST(target_configdirs)
2158
2159# Build tools.
2160AC_SUBST(BISON)
2161AC_SUBST(CC_FOR_BUILD)
2162AC_SUBST(LEX)
2163AC_SUBST(MAKEINFO)
2164AC_SUBST(YACC)
2165AC_SUBST(config_shell)
2166
2167# Host tools.
2168NCN_STRICT_CHECK_TOOL(AR, ar)
2169NCN_STRICT_CHECK_TOOL(AS, as)
2170NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2171NCN_STRICT_CHECK_TOOL(LD, ld)
2172NCN_STRICT_CHECK_TOOL(NM, nm)
2173NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2174NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2175NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2176NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2177AC_SUBST(CC)
2178AC_SUBST(CXX)
2179AC_SUBST(CFLAGS)
2180AC_SUBST(CFLAGS_FOR_BUILD)
2181AC_SUBST(CXXFLAGS)
2182AC_SUBST(DEFAULT_YACC)
2183AC_SUBST(DEFAULT_LEX)
2184AC_SUBST(DEFAULT_M4)
2185
2186# Target tools.
2187NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2188NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2189NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2190NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2191NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2192NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2193NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2194
2195AC_SUBST(GCC_FOR_TARGET)
2196AC_SUBST(FLAGS_FOR_TARGET)
2197AC_SUBST(CC_FOR_TARGET)
2198AC_SUBST(GCJ_FOR_TARGET)
2199AC_SUBST(GFORTRAN_FOR_TARGET)
2200AC_SUBST(CXX_FOR_TARGET)
2201AC_SUBST(RAW_CXX_FOR_TARGET)
2202AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2203AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2204
2205# Fix up target tools.
2206if test "x${build}" = "x${host}" ; then
2207 # In this case, the newly built tools can and should be used,
2208 # so we override the results of the autoconf tests.
2209 # This should really only happen when the tools are actually being built,
2210 # but that's a further refinement. The new build scheme, where
2211 # tools are built into a structure paralleling where they're installed,
2212 # should also eliminate all of this cleanly.
2213 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2214 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2215 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2216 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2217 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2218 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2219 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2220else
2221 # Just use the ones we found.
2222 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2223 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2224 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2225 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2226 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2227 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2228 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2229fi
2230AC_SUBST(AR_FOR_TARGET)
2231AC_SUBST(AS_FOR_TARGET)
2232AC_SUBST(DLLTOOL_FOR_TARGET)
2233AC_SUBST(LD_FOR_TARGET)
2234AC_SUBST(NM_FOR_TARGET)
2235AC_SUBST(RANLIB_FOR_TARGET)
2236AC_SUBST(WINDRES_FOR_TARGET)
2237
2238# Certain tools may need extra flags.
2239AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2240RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2241NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2242
2243AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2244AC_ARG_ENABLE(maintainer-mode,
2245[ --enable-maintainer-mode enable make rules and dependencies not useful
2246 (and sometimes confusing) to the casual installer],
2247 USE_MAINTAINER_MODE=$enableval,
2248 USE_MAINTAINER_MODE=no)
2249AC_MSG_RESULT($USE_MAINTAINER_MODE)
2250AC_SUBST(MAINTAINER_MODE_TRUE)
2251AC_SUBST(MAINTAINER_MODE_FALSE)
2252if test "$USE_MAINTAINER_MODE" = yes; then
2253 MAINTAINER_MODE_TRUE=
2254 MAINTAINER_MODE_FALSE='#'
2255else
2256 MAINTAINER_MODE_TRUE='#'
2257 MAINTAINER_MODE_FALSE=
2258fi
2259MAINT=$MAINTAINER_MODE_TRUE
2260AC_SUBST(MAINT)dnl
2261
2262# ---------------------
2263# GCC bootstrap support
2264# ---------------------
2265
2266# Stage specific cflags for build.
2267stage1_cflags="-g"
2268case $build in
2269 vax-*-*)
2270 case ${GCC} in
2271 yes) stage1_cflags="-g -Wa,-J" ;;
2272 *) stage1_cflags="-g -J" ;;
2273 esac ;;
2274 powerpc-*-darwin*)
2275 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2276 # sources; use -no-cpp-precomp to get to GNU cpp.
2277 # Apple's GCC has bugs in designated initializer handling, so disable
2278 # that too.
2279 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2280 ;;
2281esac
2282AC_SUBST(stage1_cflags)
2283
2284# It makes debugging easier if we create as symlinks the stage directories
2285# gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2286# possible, however, we can resort to mv.
2287AC_CACHE_CHECK([if symbolic links between directories work],
2288[gcc_cv_prog_ln_s_dir],
2289[if test "${LN_S}" = "ln -s" \
2290 && mkdir confdir.s1 \
2291 && ln -s confdir.s1 confdir.s2 \
2292 && echo timestamp1 > confdir.s1/conftest.1 \
2293 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2294 && echo timestamp2 > confdir.s2/conftest.2 \
2295 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2296 && rm -f confdir.s2; then
2297 gcc_cv_prog_ln_s_dir=yes
2298else
2299 gcc_cv_prog_ln_s_dir=yes
2300fi
2301rm -rf confdir.s1 confdir.s2])
2302
2303case ${gcc_cv_prog_ln_s_dir} in
2304 yes)
2305 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2306 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2307 *)
2308 CREATE_LINK_TO_DIR='mv $$1 $$2'
2309 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2310esac
2311AC_SUBST(CREATE_LINK_TO_DIR)
2312AC_SUBST(UNDO_LINK_TO_DIR)
2313
2314# Enable -Werror in bootstrap stage2 and later.
2315# Change the default to "no" on release branches.
2316AC_ARG_ENABLE(werror,
2317[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2318[enable_werror=yes])
2319case ${enable_werror} in
2320 yes) stage2_werror_flag="--enable-werror-always" ;;
2321 *) stage2_werror_flag="" ;;
2322esac
2323AC_SUBST(stage2_werror_flag)
2324
2325AC_OUTPUT(Makefile)
GDB Binutils - Deliverables
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