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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
83srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
84
85# We pass INSTALL explicitly to sub-makes. Make sure that it is not
86# a relative path.
87if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
89fi
90
91# Set srcdir to "." if that's what it is.
92# This is important for multilib support.
93pwd=`${PWDCMD-pwd}`
94if test "${pwd}" = "${srcpwd}" ; then
95 srcdir=.
96fi
97
98topsrcdir=$srcpwd
99
100extra_host_args=
101
102### To add a new directory to the tree, first choose whether it is a target
103### or a host dependent tool. Then put it into the appropriate list
104### (library or tools, host or target), doing a dependency sort.
105
106# Subdirs will be configured in the order listed in build_configdirs,
107# configdirs, or target_configdirs; see the serialization section below.
108
109# Dependency sorting is only needed when *configuration* must be done in
110# a particular order. In all cases a dependency should be specified in
111# the Makefile, whether or not it's implicitly specified here.
112
113# Double entries in build_configdirs, configdirs, or target_configdirs may
114# cause circular dependencies and break everything horribly.
115
116# these library is used by various programs built for the build
117# environment
118#
119build_libs="build-libiberty"
120
121# these tools are built for the build environment
122build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
123
124# these libraries are used by various programs built for the host environment
125#
126host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
127
128# these tools are built for the host environment
129# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130# know that we are building the simulator.
131# binutils, gas and ld appear in that order because it makes sense to run
132# "make check" in that particular order.
133host_tools="texinfo byacc flex bison binutils gas ld fixincludes 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 gnattools"
134
135# libgcj represents the runtime libraries only used by gcj.
136libgcj="target-libffi \
137 target-boehm-gc \
138 target-zlib \
139 target-qthreads \
140 target-libjava"
141
142# these libraries are built for the target environment, and are built after
143# the host libraries and the host tools (which may be a cross compiler)
144#
145target_libraries="target-libiberty \
146 target-libgloss \
147 target-newlib \
148 target-libstdc++-v3 \
149 target-libmudflap \
150 target-libssp \
151 target-libgfortran \
152 ${libgcj} \
153 target-libobjc \
154 target-libada"
155
156# these tools are built using the target libraries, and are intended to
157# run only in the target environment
158#
159# note: any program that *uses* libraries that are in the "target_libraries"
160# list belongs in this list. those programs are also very likely
161# candidates for the "native_only" list which follows
162#
163target_tools="target-examples target-groff target-gperf target-rda"
164
165################################################################################
166
167## All tools belong in one of the four categories, and are assigned above
168## We assign ${configdirs} this way to remove all embedded newlines. This
169## is important because configure will choke if they ever get through.
170## ${configdirs} is directories we build using the host tools.
171## ${target_configdirs} is directories we build using the target tools.
172configdirs=`echo ${host_libs} ${host_tools}`
173target_configdirs=`echo ${target_libraries} ${target_tools}`
174build_configdirs=`echo ${build_libs} ${build_tools}`
175
176################################################################################
177
178srcname="gnu development package"
179
180# This gets set non-empty for some net releases of packages.
181appdirs=""
182
183# Define is_cross_compiler to save on calls to 'test'.
184is_cross_compiler=
185if test x"${host}" = x"${target}" ; then
186 is_cross_compiler=no
187else
188 is_cross_compiler=yes
189fi
190
191# Find the build and target subdir names.
192GCC_TOPLEV_SUBDIRS
193
194# Skipdirs are removed silently.
195skipdirs=
196# Noconfigdirs are removed loudly.
197noconfigdirs=""
198
199use_gnu_ld=
200# Make sure we don't let GNU ld be added if we didn't want it.
201if test x$with_gnu_ld = xno ; then
202 use_gnu_ld=no
203 noconfigdirs="$noconfigdirs ld"
204fi
205
206use_gnu_as=
207# Make sure we don't let GNU as be added if we didn't want it.
208if test x$with_gnu_as = xno ; then
209 use_gnu_as=no
210 noconfigdirs="$noconfigdirs gas"
211fi
212
213# some tools are so dependent upon X11 that if we're not building with X,
214# it's not even worth trying to configure, much less build, that tool.
215
216case ${with_x} in
217 yes | "") ;; # the default value for this tree is that X11 is available
218 no)
219 skipdirs="${skipdirs} tk itcl libgui"
220 # We won't be able to build gdbtk without X.
221 enable_gdbtk=no
222 ;;
223 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
224esac
225
226# Some tools are only suitable for building in a "native" situation.
227# Remove these if host!=target.
228native_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"
229
230# Similarly, some are only suitable for cross toolchains.
231# Remove these if host=target.
232cross_only="target-libgloss target-newlib target-opcodes"
233
234case $is_cross_compiler in
235 no) skipdirs="${skipdirs} ${cross_only}" ;;
236 yes) skipdirs="${skipdirs} ${native_only}" ;;
237esac
238
239# If both --with-headers and --with-libs are specified, default to
240# --without-newlib.
241if test x"${with_headers}" != x && test x"${with_headers}" != xno \
242 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
243 if test x"${with_newlib}" = x ; then
244 with_newlib=no
245 fi
246fi
247
248# Recognize --with-newlib/--without-newlib.
249case ${with_newlib} in
250 no) skipdirs="${skipdirs} target-newlib" ;;
251 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
252esac
253
254# Configure extra directories which are host specific
255
256case "${host}" in
257 *-cygwin*)
258 configdirs="$configdirs libtermcap" ;;
259esac
260
261# A target can indicate whether a language isn't supported for some reason.
262# Only spaces may be used in this macro; not newlines or tabs.
263unsupported_languages=
264
265# Remove more programs from consideration, based on the host or
266# target this usually means that a port of the program doesn't
267# exist yet.
268
269case "${host}" in
270 hppa*64*-*-*)
271 noconfigdirs="$noconfigdirs byacc"
272 ;;
273 i[[3456789]]86-*-vsta)
274 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
275 ;;
276 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
277 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
278 ;;
279 i[[3456789]]86-*-mingw32*)
280 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
281 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
282 ;;
283 i[[3456789]]86-*-beos*)
284 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
285 ;;
286 *-*-cygwin*)
287 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
288 ;;
289 *-*-netbsd*)
290 noconfigdirs="$noconfigdirs rcs"
291 ;;
292 ppc*-*-pe)
293 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
294 ;;
295 powerpc-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
297 ;;
298esac
299
300
301AC_ARG_ENABLE(libada,
302[ --enable-libada Builds libada directory],
303ENABLE_LIBADA=$enableval,
304ENABLE_LIBADA=yes)
305if test "${ENABLE_LIBADA}" != "yes" ; then
306 noconfigdirs="$noconfigdirs target-libada"
307 noconfigdirs="$noconfigdirs gnattools"
308fi
309
310AC_ARG_ENABLE(libssp,
311[ --enable-libssp Builds libssp directory],
312ENABLE_LIBSSP=$enableval,
313ENABLE_LIBSSP=yes)
314if test "${ENABLE_LIBSSP}" != "yes" ; then
315 noconfigdirs="$noconfigdirs target-libssp"
316fi
317
318# Save it here so that, even in case of --enable-libgcj, if the Java
319# front-end isn't enabled, we still get libgcj disabled.
320libgcj_saved=$libgcj
321case $enable_libgcj in
322yes)
323 # If we reset it here, it won't get added to noconfigdirs in the
324 # target-specific build rules, so it will be forcibly enabled
325 # (unless the Java language itself isn't enabled).
326 libgcj=
327 ;;
328no)
329 # Make sure we get it printed in the list of not supported target libs.
330 noconfigdirs="$noconfigdirs ${libgcj}"
331 ;;
332esac
333
334
335# Allow --disable-libmudflap to exclude target-libmudflap
336case $enable_libmudflap in
337yes)
338 ;;
339no)
340 noconfigdirs="$noconfigdirs target-libmudflap"
341 ;;
342"")
343 case "${target}" in
344 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
345 # Enable libmudflap by default in GNU and friends.
346 ;;
347 *-*-freebsd*)
348 # Enable libmudflap by default in FreeBSD.
349 ;;
350 *)
351 # Disable it by default everywhere else.
352 noconfigdirs="$noconfigdirs target-libmudflap"
353 ;;
354 esac
355esac
356
357
358case "${target}" in
359 *-*-chorusos)
360 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
361 ;;
362 powerpc-*-darwin*)
363 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
364 noconfigdirs="$noconfigdirs sim target-rda"
365 ;;
366 *-*-darwin*)
367 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
368 noconfigdirs="$noconfigdirs sim target-rda"
369 noconfigdirs="$noconfigdirs ${libgcj}"
370 ;;
371 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
372 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
373 ;;
374 *-*-freebsd*)
375 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
376 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
377 && test -f /usr/local/include/gmp.h; then
378 with_gmp=/usr/local
379 fi
380
381 # Skip some stuff that's unsupported on some FreeBSD configurations.
382 case "${target}" in
383 i*86-*-*) ;;
384 alpha*-*-*) ;;
385 *)
386 noconfigdirs="$noconfigdirs ${libgcj}"
387 ;;
388 esac
389 ;;
390 *-*-kaos*)
391 # Remove unsupported stuff on all kaOS configurations.
392 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
393 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
394 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
395 noconfigdirs="$noconfigdirs target-libgloss"
396 ;;
397 *-*-netbsd*)
398 # Skip some stuff on all NetBSD configurations.
399 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
400
401 # Skip some stuff that's unsupported on some NetBSD configurations.
402 case "${target}" in
403 i*86-*-netbsdelf*) ;;
404 arm*-*-netbsdelf*) ;;
405 *)
406 noconfigdirs="$noconfigdirs ${libgcj}"
407 ;;
408 esac
409 ;;
410 *-*-netware*)
411 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
412 ;;
413 *-*-rtems*)
414 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
415 ;;
416 *-*-uclinux*)
417 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
418 ;;
419 *-*-vxworks*)
420 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
421 ;;
422 alpha*-dec-osf*)
423 # ld works, but does not support shared libraries.
424 # newlib is not 64 bit ready. I'm not sure about fileutils.
425 # gas doesn't generate exception information.
426 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
427 ;;
428 alpha*-*-*vms*)
429 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
430 ;;
431 alpha*-*-linux*)
432 # newlib is not 64 bit ready
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
434 ;;
435 alpha*-*-*)
436 # newlib is not 64 bit ready
437 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
438 ;;
439 am33_2.0-*-linux*)
440 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
441 ;;
442 sh-*-linux*)
443 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
444 ;;
445 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
446 noconfigdirs="$noconfigdirs ${libgcj}"
447 noconfigdirs="$noconfigdirs target-examples"
448 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
449 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
450 noconfigdirs="$noconfigdirs expect dejagnu"
451 # the C++ libraries don't build on top of CE's C libraries
452 noconfigdirs="$noconfigdirs target-libstdc++-v3"
453 noconfigdirs="$noconfigdirs target-newlib"
454 case "${host}" in
455 *-*-cygwin*) ;; # keep gdb and readline
456 *) noconfigdirs="$noconfigdirs gdb readline"
457 ;;
458 esac
459 ;;
460 arc-*-*)
461 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
462 ;;
463 arm-semi-aof )
464 ;;
465 arm-*-coff | strongarm-*-coff | xscale-*-coff)
466 noconfigdirs="$noconfigdirs ${libgcj}"
467 ;;
468 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
469 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
470 ;;
471 arm*-*-symbianelf*)
472 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
473 ;;
474 arm-*-pe*)
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-*-pe)
484 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
485 ;;
486 arm-*-riscix*)
487 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
488 ;;
489 avr-*-*)
490 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
491 ;;
492 c4x-*-* | tic4x-*-*)
493 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
494 ;;
495 c54x*-*-* | tic54x-*-*)
496 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
497 ;;
498 cris-*-* | crisv32-*-*)
499 unsupported_languages="$unsupported_languages java"
500 case "${target}" in
501 *-*-aout)
502 unsupported_languages="$unsupported_languages f95"
503 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
504 *-*-elf)
505 unsupported_languages="$unsupported_languages f95"
506 noconfigdirs="$noconfigdirs target-boehm-gc";;
507 *-*-linux*)
508 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
509 *)
510 unsupported_languages="$unsupported_languages f95"
511 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
512 esac
513 ;;
514 crx-*-*)
515 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
516 ;;
517 d10v-*-*)
518 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
519 ;;
520 d30v-*-*)
521 noconfigdirs="$noconfigdirs ${libgcj} gdb"
522 ;;
523 fr30-*-elf*)
524 noconfigdirs="$noconfigdirs ${libgcj} gdb"
525 ;;
526 frv-*-*)
527 noconfigdirs="$noconfigdirs ${libgcj}"
528 ;;
529 h8300*-*-*)
530 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
531 ;;
532 h8500-*-*)
533 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
534 ;;
535 hppa1.1-*-osf* | hppa1.1-*-bsd* )
536 ;;
537 hppa*64*-*-linux* | parisc*64*-*-linux*)
538 # In this case, it's because the hppa64-linux target is for
539 # the kernel only at this point and has no libc, and thus no
540 # headers, crt*.o, etc., all of which are needed by these.
541 noconfigdirs="$noconfigdirs target-zlib"
542 ;;
543 parisc*-*-linux* | hppa*-*-linux*)
544 ;;
545 hppa*-*-*elf* | \
546 hppa*-*-lites* | \
547 hppa*-*-openbsd* | \
548 hppa*64*-*-*)
549 noconfigdirs="$noconfigdirs ${libgcj}"
550 ;;
551 hppa*-*-*)
552 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
553 # build on HP-UX 10.20.
554 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
555 ;;
556 i960-*-*)
557 noconfigdirs="$noconfigdirs ${libgcj} gdb"
558 ;;
559 ia64*-*-elf*)
560 # No gdb support yet.
561 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
562 ;;
563 ia64*-**-hpux*)
564 # No gdb or ld support yet.
565 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
566 ;;
567 i370-*-opened*)
568 ;;
569 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
570 noconfigdirs="$noconfigdirs ${libgcj}"
571 ;;
572 i[[3456789]]86-*-linux*)
573 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
574 # not build java stuff by default.
575 case "${target}" in
576 *-*-*libc1*)
577 noconfigdirs="$noconfigdirs ${libgcj}";;
578 esac
579
580 # This section makes it possible to build newlib natively on linux.
581 # If we are using a cross compiler then don't configure newlib.
582 if test x${is_cross_compiler} != xno ; then
583 noconfigdirs="$noconfigdirs target-newlib"
584 fi
585 noconfigdirs="$noconfigdirs target-libgloss"
586 # If we are not using a cross compiler, do configure newlib.
587 # Note however, that newlib will only be configured in this situation
588 # if the --with-newlib option has been given, because otherwise
589 # 'target-newlib' will appear in skipdirs.
590 ;;
591 i[[3456789]]86-*-mingw32*)
592 target_configdirs="$target_configdirs target-mingw"
593 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
594
595 # Can't build gdb for mingw32 if not native.
596 case "${host}" in
597 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
598 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
599 ;;
600 esac
601 ;;
602 *-*-cygwin*)
603 target_configdirs="$target_configdirs target-libtermcap target-winsup"
604 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
605 # always build newlib if winsup directory is present.
606 if test -d "$srcdir/winsup"; then
607 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
608 elif test -d "$srcdir/newlib"; then
609 echo "Warning: winsup is missing so newlib can't be built."
610 fi
611
612 # Can't build gdb for Cygwin if not native.
613 case "${host}" in
614 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
615 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
616 ;;
617 esac
618 ;;
619 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
620 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
621 ;;
622 i[[3456789]]86-*-pe)
623 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
624 ;;
625 i[[3456789]]86-*-sco3.2v5*)
626 # The linker does not yet know about weak symbols in COFF,
627 # and is not configured to handle mixed ELF and COFF.
628 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
629 ;;
630 i[[3456789]]86-*-sco*)
631 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
632 ;;
633 i[[3456789]]86-*-solaris2*)
634 noconfigdirs="$noconfigdirs target-libgloss"
635 ;;
636 i[[3456789]]86-*-sysv4*)
637 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
638 ;;
639 i[[3456789]]86-*-beos*)
640 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
641 ;;
642 m32r-*-*)
643 noconfigdirs="$noconfigdirs ${libgcj}"
644 ;;
645 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
646 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
647 ;;
648 m68k-*-elf*)
649 noconfigdirs="$noconfigdirs ${libgcj}"
650 ;;
651 m68k-*-coff*)
652 noconfigdirs="$noconfigdirs ${libgcj}"
653 ;;
654 mcore-*-pe*)
655 # The EPOC C++ environment does not support exceptions or rtti,
656 # and so building libstdc++-v3 tends not to always work.
657 noconfigdirs="$noconfigdirs target-libstdc++-v3"
658 ;;
659 mmix-*-*)
660 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
661 unsupported_languages="$unsupported_languages f95 java"
662 ;;
663 mn10200-*-*)
664 noconfigdirs="$noconfigdirs ${libgcj}"
665 ;;
666 mn10300-*-*)
667 noconfigdirs="$noconfigdirs ${libgcj}"
668 ;;
669 ms1-*-*)
670 noconfigdirs="$noconfigdirs sim"
671 ;;
672 powerpc-*-aix*)
673 # copied from rs6000-*-* entry
674 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
675 ;;
676 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
677 target_configdirs="$target_configdirs target-winsup"
678 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
679 # always build newlib.
680 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
681 ;;
682 # This is temporary until we can link against shared libraries
683 powerpcle-*-solaris*)
684 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
685 ;;
686 powerpc-*-beos*)
687 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
688 ;;
689 powerpc-*-eabi)
690 noconfigdirs="$noconfigdirs ${libgcj}"
691 ;;
692 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
693 ;;
694 rs6000-*-lynxos*)
695 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
696 ;;
697 rs6000-*-aix*)
698 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
699 ;;
700 rs6000-*-*)
701 noconfigdirs="$noconfigdirs gprof ${libgcj}"
702 ;;
703 m68k-apollo-*)
704 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
705 ;;
706 mips*-*-irix5*)
707 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
708 ;;
709 mips*-*-irix6*)
710 # Linking libjava exceeds command-line length limits on at least
711 # IRIX 6.2, but not on IRIX 6.5.
712 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
713 # <oldham@codesourcery.com>
714 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
715 ;;
716 mips*-dec-bsd*)
717 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
718 ;;
719 mips*-*-bsd*)
720 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
721 ;;
722 mipstx39-*-*)
723 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
724 ;;
725 mips64*-*-linux*)
726 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
727 ;;
728 mips*-*-linux*)
729 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
730 ;;
731 mips*-*-*)
732 noconfigdirs="$noconfigdirs gprof ${libgcj}"
733 ;;
734 romp-*-*)
735 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
736 ;;
737 sh-*-* | sh64-*-*)
738 case "${host}" in
739 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
740 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
741 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
742 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
743 esac
744 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
745 ;;
746 sparc-*-elf*)
747 noconfigdirs="$noconfigdirs ${libgcj}"
748 ;;
749 sparc64-*-elf*)
750 noconfigdirs="$noconfigdirs ${libgcj}"
751 ;;
752 sparclite-*-*)
753 noconfigdirs="$noconfigdirs ${libgcj}"
754 ;;
755 sparc-*-sunos4*)
756 noconfigdirs="$noconfigdirs ${libgcj}"
757 if test x${is_cross_compiler} != xno ; then
758 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
759 else
760 use_gnu_ld=no
761 fi
762 ;;
763 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
764 noconfigdirs="$noconfigdirs ${libgcj}"
765 ;;
766 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
767 ;;
768 v810-*-*)
769 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
770 ;;
771 v850-*-*)
772 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
773 ;;
774 v850e-*-*)
775 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
776 ;;
777 v850ea-*-*)
778 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
779 ;;
780 vax-*-vms)
781 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
782 ;;
783 vax-*-*)
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
785 ;;
786 xtensa-*-*)
787 noconfigdirs="$noconfigdirs ${libgcj}"
788 ;;
789 ip2k-*-*)
790 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
791 ;;
792 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
793 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
794 ;;
795 *-*-lynxos*)
796 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
797 ;;
798 *-*-*)
799 noconfigdirs="$noconfigdirs ${libgcj}"
800 ;;
801esac
802
803# If we aren't building newlib, then don't build libgloss, since libgloss
804# depends upon some newlib header files.
805case "${noconfigdirs}" in
806 *target-libgloss*) ;;
807 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
808esac
809
810# Work in distributions that contain no compiler tools, like Autoconf.
811tentative_cc=""
812host_makefile_frag=/dev/null
813if test -d ${srcdir}/config ; then
814case "${host}" in
815 m68k-hp-hpux*)
816 # Avoid "too much defining" errors from HPUX compiler.
817 tentative_cc="cc -Wp,-H256000"
818 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
819 # If it's HP/UX ar, this should be harmless.
820 RANLIB="ar ts"
821 ;;
822 m68k-apollo-sysv*)
823 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
824 ;;
825 m68k-apollo-bsd*)
826 #None of the Apollo compilers can compile gas or binutils. The preprocessor
827 # chokes on bfd, the compiler won't let you assign integers to enums, and
828 # other problems. Defining CC to gcc is a questionable way to say "don't use
829 # the apollo compiler" (the preferred version of GCC could be called cc,
830 # or whatever), but I'm not sure leaving CC as cc is any better...
831 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
832 # Used to have BISON=yacc.
833 tentative_cc=gcc
834 ;;
835 m88k-dg-dgux*)
836 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
837 ;;
838 m88k-harris-cxux*)
839 # Under CX/UX, we want to tell the compiler to use ANSI mode.
840 tentative_cc="cc -Xa"
841 host_makefile_frag="config/mh-cxux"
842 ;;
843 m88k-motorola-sysv*)
844 ;;
845 mips*-dec-ultrix*)
846 tentative_cc="cc -Wf,-XNg1000"
847 host_makefile_frag="config/mh-decstation"
848 ;;
849 mips*-nec-sysv4*)
850 # The C compiler on NEC MIPS SVR4 needs bigger tables.
851 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
852 host_makefile_frag="config/mh-necv4"
853 ;;
854 mips*-sgi-irix4*)
855 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
856 # environment. Also bump switch table size so that cp-parse will
857 # compile. Bump string length limit so linker builds.
858 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
859 ;;
860 mips*-*-sysv4*)
861 host_makefile_frag="config/mh-sysv4"
862 ;;
863 mips*-*-sysv*)
864 # This is for a MIPS running RISC/os 4.52C.
865
866 # This is needed for GDB, but needs to be in the top-level make because
867 # if a library is compiled with the bsd headers and gets linked with the
868 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
869 # a different size).
870 # ptrace(2) apparently has problems in the BSD environment. No workaround is
871 # known except to select the sysv environment. Could we use /proc instead?
872 # These "sysv environments" and "bsd environments" often end up being a pain.
873 #
874 # This is not part of CFLAGS because perhaps not all C compilers have this
875 # option.
876 tentative_cc="cc -systype sysv"
877 ;;
878 i370-ibm-opened*)
879 tentative_cc="c89"
880 ;;
881 i[[3456789]]86-*-sysv5*)
882 host_makefile_frag="config/mh-sysv5"
883 ;;
884 i[[3456789]]86-*-dgux*)
885 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
886 host_makefile_frag="config/mh-dgux386"
887 ;;
888 i[[3456789]]86-ncr-sysv4.3*)
889 # The MetaWare compiler will generate a copyright message unless you
890 # turn it off by adding the -Hnocopyr flag.
891 tentative_cc="cc -Hnocopyr"
892 ;;
893 i[[3456789]]86-ncr-sysv4*)
894 # for an NCR 3000 (i486/SVR4) system.
895 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
896 # This compiler not only emits obnoxious copyright messages every time
897 # you run it, but it chokes and dies on a whole bunch of GNU source
898 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
899 tentative_cc="/usr/ccs/ATT/cc"
900 host_makefile_frag="config/mh-ncr3000"
901 ;;
902 i[[3456789]]86-*-sco3.2v5*)
903 ;;
904 i[[3456789]]86-*-sco*)
905 # The native C compiler botches some simple uses of const. Unfortunately,
906 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
907 tentative_cc="cc -Dconst="
908 host_makefile_frag="config/mh-sco"
909 ;;
910 i[[3456789]]86-*-udk*)
911 host_makefile_frag="config/mh-sysv5"
912 ;;
913 i[[3456789]]86-*-solaris2*)
914 host_makefile_frag="config/mh-sysv4"
915 ;;
916 i[[3456789]]86-*-msdosdjgpp*)
917 host_makefile_frag="config/mh-djgpp"
918 ;;
919 *-cygwin*)
920 host_makefile_frag="config/mh-cygwin"
921 ;;
922 *-mingw32*)
923 ;;
924 *-interix*)
925 host_makefile_frag="config/mh-interix"
926 ;;
927 vax-*-ultrix2*)
928 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
929 tentative_cc=gcc
930 ;;
931 *-*-solaris2*)
932 host_makefile_frag="config/mh-solaris"
933 ;;
934 m68k-sun-sunos*)
935 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
936 # without overflowing the jump tables (-J says to use a 32 bit table)
937 tentative_cc="cc -J"
938 ;;
939 *-hp-hpux*)
940 tentative_cc="cc -Wp,-H256000"
941 ;;
942 *-*-hiux*)
943 tentative_cc="cc -Wp,-H256000"
944 ;;
945 rs6000-*-lynxos*)
946 # /bin/cc is less than useful for our purposes. Always use GCC
947 tentative_cc="/usr/cygnus/progressive/bin/gcc"
948 host_makefile_frag="config/mh-lynxrs6k"
949 ;;
950 powerpc-*-darwin*)
951 host_makefile_frag="config/mh-ppc-darwin"
952 ;;
953 *-*-lynxos*)
954 # /bin/cc is less than useful for our purposes. Always use GCC
955 tentative_cc="/bin/gcc"
956 ;;
957 *-*-sysv4*)
958 host_makefile_frag="config/mh-sysv4"
959 ;;
960 # This is placed last to prevent interfering with the cases above.
961 i[[3456789]]86-*-*)
962 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
963 host_makefile_frag="config/mh-x86omitfp"
964 ;;
965esac
966fi
967
968# If we aren't going to be using gcc, see if we can extract a definition
969# of CC from the fragment.
970# Actually, use the 'pre-extracted' version above.
971if test -z "${CC}" && test "${build}" = "${host}" ; then
972 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
973 found=
974 for dir in $PATH; do
975 test -z "$dir" && dir=.
976 if test -f $dir/gcc; then
977 found=yes
978 break
979 fi
980 done
981 IFS="$save_ifs"
982 if test -z "${found}" && test -n "${tentative_cc}" ; then
983 CC=$tentative_cc
984 fi
985fi
986
987if test "${build}" != "${host}" ; then
988 # If we are doing a Canadian Cross, in which the host and build systems
989 # are not the same, we set reasonable default values for the tools.
990
991 CC=${CC-${host_alias}-gcc}
992 CFLAGS=${CFLAGS-"-g -O2"}
993 CXX=${CXX-${host_alias}-c++}
994 CXXFLAGS=${CXXFLAGS-"-g -O2"}
995 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
996 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
997 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
998 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
999 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1000 BUILD_PREFIX=${build_alias}-
1001 BUILD_PREFIX_1=${build_alias}-
1002
1003else
1004 # Set reasonable default values for some tools even if not Canadian.
1005 # Of course, these are different reasonable default values, originally
1006 # specified directly in the Makefile.
1007 # We don't export, so that autoconf can do its job.
1008 # Note that all these settings are above the fragment inclusion point
1009 # in Makefile.in, so can still be overridden by fragments.
1010 # This is all going to change when we autoconfiscate...
1011
1012 CC_FOR_BUILD="\$(CC)"
1013 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1014 BUILD_PREFIX=
1015 BUILD_PREFIX_1=loser-
1016
1017 AC_PROG_CC
1018
1019 # We must set the default linker to the linker used by gcc for the correct
1020 # operation of libtool. If LD is not defined and we are using gcc, try to
1021 # set the LD default to the ld used by gcc.
1022 if test -z "$LD"; then
1023 if test "$GCC" = yes; then
1024 case $build in
1025 *-*-mingw*)
1026 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1027 *)
1028 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1029 esac
1030 case $gcc_prog_ld in
1031 # Accept absolute paths.
1032 [[\\/]* | [A-Za-z]:[\\/]*)]
1033 LD="$gcc_prog_ld" ;;
1034 esac
1035 fi
1036 fi
1037
1038 CXX=${CXX-"c++"}
1039 CFLAGS=${CFLAGS-"-g"}
1040 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1041fi
1042
1043ACX_PROG_GNAT
1044ACX_PROG_CMP_IGNORE_INITIAL
1045
1046# Check for GMP and MPFR
1047gmplibs=
1048gmpinc=
1049have_gmp=yes
1050# Specify a location for mpfr
1051# check for this first so it ends up on the link line before gmp.
1052AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1053
1054if test "x$with_mpfr_dir" != x; then
1055 gmpinc="-I$with_mpfr_dir"
1056 gmplibs="$with_mpfr_dir/libmpfr.a"
1057else
1058 gmplibs="-lmpfr"
1059fi
1060
1061AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1062
1063if test "x$with_mpfr" != x; then
1064 gmplibs="-L$with_mpfr/lib $gmplibs"
1065 gmpinc="-I$with_mpfr/include"
1066fi
1067
1068# Specify a location for gmp
1069AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1070
1071if test "x$with_gmp_dir" != x; then
1072 gmpinc="$gmpinc -I$with_gmp_dir"
1073 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1074 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1075 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1076 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1077 fi
1078 # One of the later tests will catch the error if neither library is present.
1079else
1080 gmplibs="$gmplibs -lgmp"
1081fi
1082
1083AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1084
1085if test "x$with_gmp" != x; then
1086 gmplibs="-L$with_gmp/lib $gmplibs"
1087 gmpinc="-I$with_gmp/include $gmpinc"
1088fi
1089
1090saved_CFLAGS="$CFLAGS"
1091CFLAGS="$CFLAGS $gmpinc"
1092# Check GMP actually works
1093AC_MSG_CHECKING([for correct version of gmp.h])
1094AC_TRY_COMPILE([#include "gmp.h"],[
1095#if __GNU_MP_VERSION < 3
1096choke me
1097#endif
1098], [AC_MSG_RESULT([yes])],
1099 [AC_MSG_RESULT([no]); have_gmp=no])
1100
1101if test x"$have_gmp" = xyes; then
1102 AC_MSG_CHECKING([for MPFR])
1103
1104 saved_LIBS="$LIBS"
1105 LIBS="$LIBS $gmplibs"
1106 AC_TRY_LINK([#include <gmp.h>
1107#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1108 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1109 LIBS="$saved_LIBS"
1110 CFLAGS="$saved_CFLAGS"
1111fi
1112
1113# Flags needed for both GMP and/or MPFR
1114AC_SUBST(gmplibs)
1115AC_SUBST(gmpinc)
1116
1117# By default, C is the only stage 1 language.
1118stage1_languages=c
1119AC_SUBST(stage1_languages)
1120
1121# Figure out what language subdirectories are present.
1122# Look if the user specified --enable-languages="..."; if not, use
1123# the environment variable $LANGUAGES if defined. $LANGUAGES might
1124# go away some day.
1125# NB: embedded tabs in this IF block -- do not untabify
1126if test -d ${srcdir}/gcc; then
1127 if test x"${enable_languages+set}" != xset; then
1128 if test x"${LANGUAGES+set}" = xset; then
1129 enable_languages="${LANGUAGES}"
1130 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1131 else
1132 enable_languages=all
1133 fi
1134 else
1135 if test x"${enable_languages}" = x ||
1136 test x"${enable_languages}" = xyes;
1137 then
1138 echo configure.in: --enable-languages needs at least one language argument 1>&2
1139 exit 1
1140 fi
1141 fi
1142 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1143
1144 # First scan to see if an enabled language requires some other language.
1145 # We assume that a given config-lang.in will list all the language
1146 # front ends it requires, even if some are required indirectly.
1147 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1148 case ${lang_frag} in
1149 ..) ;;
1150 # The odd quoting in the next line works around
1151 # an apparent bug in bash 1.12 on linux.
1152 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1153 *)
1154 # From the config-lang.in, get $language, $lang_requires
1155 language=
1156 lang_requires=
1157 . ${lang_frag}
1158 for other in ${lang_requires} ; do
1159 case ,${enable_languages}, in
1160 *,$other,*) ;;
1161 *,all,*) ;;
1162 *,$language,*)
1163 echo " \`$other' language required by \`$language'; enabling" 1>&2
1164 enable_languages="${enable_languages},${other}"
1165 ;;
1166 esac
1167 done
1168 ;;
1169 esac
1170 done
1171
1172 new_enable_languages=c
1173 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1174 potential_languages=c
1175
1176 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1177 case ${lang_frag} in
1178 ..) ;;
1179 # The odd quoting in the next line works around
1180 # an apparent bug in bash 1.12 on linux.
1181 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1182 *)
1183 # From the config-lang.in, get $language, $target_libs,
1184 # $lang_dirs, $boot_language, and $build_by_default
1185 language=
1186 target_libs=
1187 lang_dirs=
1188 boot_language=
1189 build_by_default=
1190 need_gmp=
1191 . ${lang_frag}
1192 potential_languages="${potential_languages},${language}"
1193 # This is quite sensitive to the ordering of the case statement arms.
1194 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1195 *::*:*)
1196 echo "${lang_frag} doesn't set \$language." 1>&2
1197 exit 1
1198 ;;
1199 *:ada:no:*)
1200 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1201 add_this_lang=no
1202 ;;
1203 *,${language},*:*:*:*)
1204 # Language was explicitly selected; include it.
1205 add_this_lang=yes
1206 ;;
1207 *,all,*:*:*:no)
1208 # 'all' was selected, but this is not a default language
1209 # so do not include it.
1210 add_this_lang=no
1211 ;;
1212 *,all,*:*:*:*)
1213 # 'all' was selected and this is a default language; include it.
1214 add_this_lang=yes
1215 ;;
1216 *)
1217 add_this_lang=no
1218 ;;
1219 esac
1220
1221 # Disable languages that need GMP if it isn't available.
1222 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1223 *,${language},*:no:yes)
1224 # Specifically requested language; tell them.
1225 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1226 ;;
1227 *:no:yes)
1228 # Silently disable.
1229 add_this_lang=no
1230 ;;
1231 esac
1232
1233 # Disable a language that is unsupported by the target.
1234 case " $unsupported_languages " in
1235 *" $language "*)
1236 add_this_lang=no
1237 ;;
1238 esac
1239
1240 case $add_this_lang in
1241 no)
1242 # Remove language-dependent dirs.
1243 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1244 ;;
1245 *)
1246 new_enable_languages="$new_enable_languages,$language"
1247 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1248 case ${boot_language} in
1249 yes)
1250 # Add to (comma-separated) list of stage 1 languages.
1251 stage1_languages="${stage1_languages},${language}"
1252 ;;
1253 esac
1254 ;;
1255 esac
1256 ;;
1257 esac
1258 done
1259
1260 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1261 if test "x$missing_languages" != x; then
1262 AC_MSG_ERROR([
1263The following requested languages could not be built: ${missing_languages}
1264Recognised languages are: ${potential_languages}])
1265 fi
1266
1267 if test "x$new_enable_languages" != "x$enable_languages"; then
1268 echo The following languages will be built: ${new_enable_languages}
1269 fi
1270 enable_languages="$new_enable_languages"
1271 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1272fi
1273
1274# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1275# $build_configdirs and $target_configdirs.
1276# If we have the source for $noconfigdirs entries, add them to $notsupp.
1277
1278notsupp=""
1279for dir in . $skipdirs $noconfigdirs ; do
1280 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1281 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1282 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1283 if test -r $srcdir/$dirname/configure ; then
1284 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1285 true
1286 else
1287 notsupp="$notsupp $dir"
1288 fi
1289 fi
1290 fi
1291 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1292 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1293 if test -r $srcdir/$dirname/configure ; then
1294 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1295 true
1296 else
1297 notsupp="$notsupp $dir"
1298 fi
1299 fi
1300 fi
1301 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1302 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1303 if test -r $srcdir/$dirname/configure ; then
1304 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1305 true
1306 else
1307 notsupp="$notsupp $dir"
1308 fi
1309 fi
1310 fi
1311done
1312
1313# Sometimes the tools are distributed with libiberty but with no other
1314# libraries. In that case, we don't want to build target-libiberty.
1315if test -n "${target_configdirs}" ; then
1316 others=
1317 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1318 if test "$i" != "libiberty" ; then
1319 if test -r $srcdir/$i/configure ; then
1320 others=yes;
1321 break;
1322 fi
1323 fi
1324 done
1325 if test -z "${others}" ; then
1326 target_configdirs=
1327 fi
1328fi
1329
1330# Quietly strip out all directories which aren't configurable in this tree.
1331# This relies on all configurable subdirectories being autoconfiscated, which
1332# is now the case.
1333build_configdirs_all="$build_configdirs"
1334build_configdirs=
1335for i in ${build_configdirs_all} ; do
1336 j=`echo $i | sed -e s/build-//g`
1337 if test -f ${srcdir}/$j/configure ; then
1338 build_configdirs="${build_configdirs} $i"
1339 fi
1340done
1341
1342configdirs_all="$configdirs"
1343configdirs=
1344for i in ${configdirs_all} ; do
1345 if test -f ${srcdir}/$i/configure ; then
1346 configdirs="${configdirs} $i"
1347 fi
1348done
1349
1350target_configdirs_all="$target_configdirs"
1351target_configdirs=
1352for i in ${target_configdirs_all} ; do
1353 j=`echo $i | sed -e s/target-//g`
1354 if test -f ${srcdir}/$j/configure ; then
1355 target_configdirs="${target_configdirs} $i"
1356 fi
1357done
1358
1359# Produce a warning message for the subdirs we can't configure.
1360# This isn't especially interesting in the Cygnus tree, but in the individual
1361# FSF releases, it's important to let people know when their machine isn't
1362# supported by the one or two programs in a package.
1363
1364if test -n "${notsupp}" && test -z "${norecursion}" ; then
1365 # If $appdirs is non-empty, at least one of those directories must still
1366 # be configured, or we error out. (E.g., if the gas release supports a
1367 # specified target in some subdirs but not the gas subdir, we shouldn't
1368 # pretend that all is well.)
1369 if test -n "$appdirs" ; then
1370 for dir in $appdirs ; do
1371 if test -r $dir/Makefile.in ; then
1372 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1373 appdirs=""
1374 break
1375 fi
1376 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1377 appdirs=""
1378 break
1379 fi
1380 fi
1381 done
1382 if test -n "$appdirs" ; then
1383 echo "*** This configuration is not supported by this package." 1>&2
1384 exit 1
1385 fi
1386 fi
1387 # Okay, some application will build, or we don't care to check. Still
1388 # notify of subdirs not getting built.
1389 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1390 echo " ${notsupp}" 1>&2
1391 echo " (Any other directories should still work fine.)" 1>&2
1392fi
1393
1394case "$host" in
1395 *msdosdjgpp*)
1396 enable_gdbtk=no ;;
1397esac
1398
1399copy_dirs=
1400
1401# Handle --with-headers=XXX. If the value is not "yes", the contents of
1402# the named directory are copied to $(tooldir)/sys-include.
1403if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1404 if test x${is_cross_compiler} = xno ; then
1405 echo 1>&2 '***' --with-headers is only supported when cross compiling
1406 exit 1
1407 fi
1408 if test x"${with_headers}" != xyes ; then
1409 case "${exec_prefixoption}" in
1410 "") x=${prefix} ;;
1411 *) x=${exec_prefix} ;;
1412 esac
1413 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1414 fi
1415fi
1416
1417# Handle --with-libs=XXX. If the value is not "yes", the contents of
1418# the name directories are copied to $(tooldir)/lib. Multiple directories
1419# are permitted.
1420if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1421 if test x${is_cross_compiler} = xno ; then
1422 echo 1>&2 '***' --with-libs is only supported when cross compiling
1423 exit 1
1424 fi
1425 if test x"${with_libs}" != xyes ; then
1426 # Copy the libraries in reverse order, so that files in the first named
1427 # library override files in subsequent libraries.
1428 case "${exec_prefixoption}" in
1429 "") x=${prefix} ;;
1430 *) x=${exec_prefix} ;;
1431 esac
1432 for l in ${with_libs}; do
1433 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1434 done
1435 fi
1436fi
1437
1438# Handle ${copy_dirs}
1439set fnord ${copy_dirs}
1440shift
1441while test $# != 0 ; do
1442 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1443 :
1444 else
1445 echo Copying $1 to $2
1446
1447 # Use the install script to create the directory and all required
1448 # parent directories.
1449 if test -d $2 ; then
1450 :
1451 else
1452 echo >config.temp
1453 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1454 fi
1455
1456 # Copy the directory, assuming we have tar.
1457 # FIXME: Should we use B in the second tar? Not all systems support it.
1458 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1459
1460 # It is the responsibility of the user to correctly adjust all
1461 # symlinks. If somebody can figure out how to handle them correctly
1462 # here, feel free to add the code.
1463
1464 echo $1 > $2/COPIED
1465 fi
1466 shift; shift
1467done
1468
1469extra_arflags_for_target=
1470extra_nmflags_for_target=
1471extra_ranlibflags_for_target=
1472target_makefile_frag=/dev/null
1473case "${target}" in
1474 *-*-netware*)
1475 target_makefile_frag="config/mt-netware"
1476 ;;
1477 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1478 target_makefile_frag="config/mt-gnu"
1479 ;;
1480 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1481 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1482 # commands to handle both 32-bit and 64-bit objects. These flags are
1483 # harmless if we're using GNU nm or ar.
1484 extra_arflags_for_target=" -X32_64"
1485 extra_nmflags_for_target=" -B -X32_64"
1486 ;;
1487 *-*-darwin*)
1488 # ranlib from Darwin requires the -c flag to look at common symbols.
1489 extra_ranlibflags_for_target=" -c"
1490 ;;
1491 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1492 target_makefile_frag="config/mt-wince"
1493 ;;
1494esac
1495
1496alphaieee_frag=/dev/null
1497case $target in
1498 alpha*-*-*)
1499 # This just makes sure to use the -mieee option to build target libs.
1500 # This should probably be set individually by each library.
1501 alphaieee_frag="config/mt-alphaieee"
1502 ;;
1503esac
1504
1505# If --enable-target-optspace always use -Os instead of -O2 to build
1506# the target libraries, similarly if it is not specified, use -Os
1507# on selected platforms.
1508ospace_frag=/dev/null
1509case "${enable_target_optspace}:${target}" in
1510 yes:*)
1511 ospace_frag="config/mt-ospace"
1512 ;;
1513 :d30v-*)
1514 ospace_frag="config/mt-d30v"
1515 ;;
1516 :m32r-* | :d10v-* | :fr30-*)
1517 ospace_frag="config/mt-ospace"
1518 ;;
1519 no:* | :*)
1520 ;;
1521 *)
1522 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1523 ;;
1524esac
1525
1526# Set with_gnu_as and with_gnu_ld as appropriate.
1527#
1528# This is done by determining whether or not the appropriate directory
1529# is available, and by checking whether or not specific configurations
1530# have requested that this magic not happen.
1531#
1532# The command line options always override the explicit settings in
1533# configure.in, and the settings in configure.in override this magic.
1534#
1535# If the default for a toolchain is to use GNU as and ld, and you don't
1536# want to do that, then you should use the --without-gnu-as and
1537# --without-gnu-ld options for the configure script.
1538
1539if test x${use_gnu_as} = x &&
1540 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1541 with_gnu_as=yes
1542 extra_host_args="$extra_host_args --with-gnu-as"
1543fi
1544
1545if test x${use_gnu_ld} = x &&
1546 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1547 with_gnu_ld=yes
1548 extra_host_args="$extra_host_args --with-gnu-ld"
1549fi
1550
1551# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1552# can detect this case.
1553
1554if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1555 with_newlib=yes
1556 extra_host_args="$extra_host_args --with-newlib"
1557fi
1558
1559# Default to using --with-stabs for certain targets.
1560if test x${with_stabs} = x ; then
1561 case "${target}" in
1562 mips*-*-irix[[56]]*)
1563 ;;
1564 mips*-*-* | alpha*-*-osf*)
1565 with_stabs=yes;
1566 extra_host_args="${extra_host_args} --with-stabs"
1567 ;;
1568 esac
1569fi
1570
1571# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1572# them automatically.
1573case "${host}" in
1574 hppa*64*-*-hpux11*)
1575 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1576 ;;
1577esac
1578
1579# Some systems (e.g., one of the i386-aix systems the gas testers are
1580# using) don't handle "\$" correctly, so don't use it here.
1581tooldir='${exec_prefix}'/${target_alias}
1582build_tooldir=${tooldir}
1583
1584# Generate default definitions for YACC, M4, LEX and other programs that run
1585# on the build machine. These are used if the Makefile can't locate these
1586# programs in objdir.
1587MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1588AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1589AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1590AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1591AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1592AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1593AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1594
1595# Create a .gdbinit file which runs the one in srcdir
1596# and tells GDB to look there for source files.
1597
1598if test -r ${srcdir}/.gdbinit ; then
1599 case ${srcdir} in
1600 .) ;;
1601 *) cat > ./.gdbinit <<EOF
1602# ${NO_EDIT}
1603dir ${srcdir}
1604dir .
1605source ${srcdir}/.gdbinit
1606EOF
1607 ;;
1608 esac
1609fi
1610
1611# Make sure that the compiler is able to generate an executable. If it
1612# can't, we are probably in trouble. We don't care whether we can run the
1613# executable--we might be using a cross compiler--we only care whether it
1614# can be created. At this point the main configure script has set CC.
1615we_are_ok=no
1616echo "int main () { return 0; }" > conftest.c
1617${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1618if test $? = 0 ; then
1619 if test -s conftest || test -s conftest.exe ; then
1620 we_are_ok=yes
1621 fi
1622fi
1623case $we_are_ok in
1624 no)
1625 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1626 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1627 rm -f conftest*
1628 exit 1
1629 ;;
1630esac
1631rm -f conftest*
1632
1633# The Solaris /usr/ucb/cc compiler does not appear to work.
1634case "${host}" in
1635 sparc-sun-solaris2*)
1636 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1637 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1638 could_use=
1639 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1640 if test -d /opt/cygnus/bin ; then
1641 if test "$could_use" = "" ; then
1642 could_use="/opt/cygnus/bin"
1643 else
1644 could_use="$could_use or /opt/cygnus/bin"
1645 fi
1646 fi
1647 if test "$could_use" = "" ; then
1648 echo "Warning: compilation may fail because you're using"
1649 echo "/usr/ucb/cc. You should change your PATH or CC "
1650 echo "variable and rerun configure."
1651 else
1652 echo "Warning: compilation may fail because you're using"
1653 echo "/usr/ucb/cc, when you should use the C compiler from"
1654 echo "$could_use. You should change your"
1655 echo "PATH or CC variable and rerun configure."
1656 fi
1657 fi
1658 ;;
1659esac
1660
1661case "${host}" in
1662 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1663 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1664 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1665esac
1666
1667# Record target_configdirs and the configure arguments for target and
1668# build configuration in Makefile.
1669target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1670build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1671
1672# Determine whether gdb needs tk/tcl or not.
1673# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1674# and in that case we want gdb to be built without tk. Ugh!
1675# In fact I believe gdb is the *only* package directly dependent on tk,
1676# so we should be able to put the 'maybe's in unconditionally and
1677# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1678# 100% sure that that's safe though.
1679
1680gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1681case "$enable_gdbtk" in
1682 no)
1683 GDB_TK="" ;;
1684 yes)
1685 GDB_TK="${gdb_tk}" ;;
1686 *)
1687 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1688 # distro. Eventually someone will fix this and move Insight, nee
1689 # gdbtk to a separate directory.
1690 if test -d ${srcdir}/gdb/gdbtk ; then
1691 GDB_TK="${gdb_tk}"
1692 else
1693 GDB_TK=""
1694 fi
1695 ;;
1696esac
1697
1698# Strip out unwanted targets.
1699
1700# While at that, we remove Makefiles if we were started for recursive
1701# configuration, so that the top-level Makefile reconfigures them,
1702# like we used to do when configure itself was recursive.
1703
1704# Loop over modules. $extrasub must be used with care, limiting as
1705# much as possible the usage of range addresses. That's because autoconf
1706# splits the sed script to overcome limits in the number of commands,
1707# and relying on carefully-timed sed passes may turn out to be very hard
1708# to maintain later. In this particular case, you just have to be careful
1709# not to nest @if/@endif pairs, because configure will not warn you at all.
1710
1711AC_ARG_ENABLE([bootstrap],
1712[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1713enable_bootstrap=default)
1714
1715# Issue errors and warnings for invalid/strange bootstrap combinations.
1716case "$configdirs" in
1717 *gcc*) have_compiler=yes ;;
1718 *) have_compiler=no ;;
1719esac
1720
1721case "$have_compiler:$host:$target:$enable_bootstrap" in
1722 *:*:*:no) ;;
1723
1724 # Default behavior. (We'll) enable bootstrap if we have a compiler
1725 # and we are in a native configuration.
1726 yes:$build:$build:default)
1727 # This will become 'yes'
1728 enable_bootstrap=no ;;
1729
1730 *:*:*:default)
1731 enable_bootstrap=no ;;
1732
1733 # We have a compiler and we are in a native configuration, bootstrap is ok
1734 yes:$build:$build:yes | yes:$build:$build:lean)
1735 ;;
1736
1737 # Other configurations, but we have a compiler. Assume the user knows
1738 # what he's doing.
1739 yes:*:*:yes | yes:*:*:lean)
1740 AC_MSG_WARN([trying to bootstrap a cross compiler])
1741 ;;
1742
1743 # No compiler: if they passed --enable-bootstrap explicitly, fail
1744 no:*:*:yes | no:*:*:lean)
1745 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1746
1747 # Fail if wrong command line
1748 *)
1749 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1750 ;;
1751esac
1752
1753# Adjust the toplevel makefile according to whether bootstrap was selected.
1754case "$enable_bootstrap" in
1755 yes)
1756 bootstrap_lean='#'
1757 default_target=bootstrap
1758 bootstrap_suffix=bootstrap ;;
1759 lean)
1760 bootstrap_lean=''
1761 default_target=bootstrap
1762 bootstrap_suffix=bootstrap ;;
1763 no)
1764 default_target=all
1765 bootstrap_suffix=no-bootstrap ;;
1766esac
1767AC_SUBST(bootstrap_lean)
1768AC_SUBST(default_target)
1769
1770for module in ${build_configdirs} ; do
1771 if test -z "${no_recursion}" \
1772 && test -f ${build_subdir}/${module}/Makefile; then
1773 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1774 rm -f ${build_subdir}/${module}/Makefile
1775 fi
1776 extrasub="$extrasub
1777/^@if build-$module\$/d
1778/^@endif build-$module\$/d
1779/^@if build-$module-$bootstrap_suffix\$/d
1780/^@endif build-$module-$bootstrap_suffix\$/d"
1781done
1782for module in ${configdirs} ; do
1783 if test -z "${no_recursion}" \
1784 && test -f ${module}/Makefile; then
1785 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1786 rm -f ${module}/Makefile
1787 fi
1788 extrasub="$extrasub
1789/^@if $module\$/d
1790/^@endif $module\$/d
1791/^@if $module-$bootstrap_suffix\$/d
1792/^@endif $module-$bootstrap_suffix\$/d"
1793done
1794for module in ${target_configdirs} ; do
1795 if test -z "${no_recursion}" \
1796 && test -f ${target_subdir}/${module}/Makefile; then
1797 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1798 rm -f ${target_subdir}/${module}/Makefile
1799 fi
1800 extrasub="$extrasub
1801/^@if target-$module\$/d
1802/^@endif target-$module\$/d
1803/^@if target-$module-$bootstrap_suffix\$/d
1804/^@endif target-$module-$bootstrap_suffix\$/d"
1805done
1806
1807extrasub="$extrasub
1808/^@if /,/^@endif /d"
1809
1810# Create the serialization dependencies. This uses a temporary file.
1811
1812AC_ARG_ENABLE([serial-configure],
1813[ --enable-serial-[{host,target,build}-]configure
1814 Force sequential configuration of
1815 sub-packages for the host, target or build
1816 machine, or all sub-packages])
1817
1818case ${enable_serial_configure} in
1819 yes)
1820 enable_serial_build_configure=yes
1821 enable_serial_host_configure=yes
1822 enable_serial_target_configure=yes
1823 ;;
1824esac
1825
1826# These force 'configure's to be done one at a time, to avoid problems
1827# with contention over a shared config.cache.
1828rm -f serdep.tmp
1829echo '# serdep.tmp' > serdep.tmp
1830olditem=
1831test "x${enable_serial_build_configure}" = xyes &&
1832for item in ${build_configdirs} ; do
1833 case ${olditem} in
1834 "") ;;
1835 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1836 esac
1837 olditem=${item}
1838done
1839olditem=
1840test "x${enable_serial_host_configure}" = xyes &&
1841for item in ${configdirs} ; do
1842 case ${olditem} in
1843 "") ;;
1844 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1845 esac
1846 olditem=${item}
1847done
1848olditem=
1849test "x${enable_serial_target_configure}" = xyes &&
1850for item in ${target_configdirs} ; do
1851 case ${olditem} in
1852 "") ;;
1853 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1854 esac
1855 olditem=${item}
1856done
1857serialization_dependencies=serdep.tmp
1858AC_SUBST_FILE(serialization_dependencies)
1859
1860# Base args. Strip norecursion, cache-file, srcdir, host, build,
1861# target and nonopt. These are the ones we might not want to pass
1862# down to subconfigures. Also strip program-prefix, program-suffix,
1863# and program-transform-name, so that we can pass down a consistent
1864# program-transform-name. If autoconf has put single quotes around
1865# any of these arguments (because they contain shell metacharacters)
1866# then this will fail; in practice this only happens for
1867# --program-transform-name, so be sure to override --program-transform-name
1868# at the end of the argument list.
1869# These will be expanded by make, so quote '$'.
1870cat <<\EOF_SED > conftestsed
1871s/ --no[[^ ]]*/ /g
1872s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1873s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1874s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1875s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1876s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1877s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1878s/ -cache-file[[= ]][[^ ]]*//g
1879s/ -srcdir[[= ]][[^ ]]*//g
1880s/ -host[[= ]][[^ ]]*//g
1881s/ -build[[= ]][[^ ]]*//g
1882s/ -target[[= ]][[^ ]]*//g
1883s/ -program-prefix[[= ]][[^ ]]*//g
1884s/ -program-suffix[[= ]][[^ ]]*//g
1885s/ -program-transform-name[[= ]][[^ ]]*//g
1886s/ [[^' -][^ ]*] / /
1887s/^ *//;s/ *$//
1888s,\$,$$,g
1889EOF_SED
1890sed -f conftestsed <<EOF_SED > conftestsed.out
1891 ${ac_configure_args}
1892EOF_SED
1893baseargs=`cat conftestsed.out`
1894rm -f conftestsed conftestsed.out
1895
1896# Add in --program-transform-name, after --program-prefix and
1897# --program-suffix have been applied to it. Autoconf has already
1898# doubled dollar signs and backslashes in program_transform_name; we want
1899# the backslashes un-doubled, and then the entire thing wrapped in single
1900# quotes, because this will be expanded first by make and then by the shell.
1901# Also, because we want to override the logic in subdir configure scripts to
1902# choose program_transform_name, replace any s,x,x, with s,y,y,.
1903sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1904${program_transform_name}
1905EOF_SED
1906gcc_transform_name=`cat conftestsed.out`
1907rm -f conftestsed.out
1908baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1909
1910# For the build-side libraries, we just need to pretend we're native,
1911# and not use the same cache file. Multilibs are neither needed nor
1912# desired.
1913build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1914
1915# For host modules, accept cache file option, or specification as blank.
1916case "${cache_file}" in
1917"") # empty
1918 cache_file_option="" ;;
1919/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1920 cache_file_option="--cache-file=${cache_file}" ;;
1921*) # relative path
1922 cache_file_option="--cache-file=../${cache_file}" ;;
1923esac
1924
1925# Host dirs don't like to share a cache file either, horribly enough.
1926# This seems to be due to autoconf 2.5x stupidity.
1927host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1928
1929target_configargs=${baseargs}
1930
1931# Passing a --with-cross-host argument lets the target libraries know
1932# whether they are being built with a cross-compiler or being built
1933# native. However, it would be better to use other mechanisms to make the
1934# sorts of decisions they want to make on this basis. Please consider
1935# this option to be deprecated. FIXME.
1936if test x${is_cross_compiler} = xyes ; then
1937 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1938fi
1939
1940# Default to --enable-multilib.
1941if test x${enable_multilib} = x ; then
1942 target_configargs="--enable-multilib ${target_configargs}"
1943fi
1944
1945# Pass --with-newlib if appropriate. Note that target_configdirs has
1946# changed from the earlier setting of with_newlib.
1947if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1948 target_configargs="--with-newlib ${target_configargs}"
1949fi
1950
1951# Different target subdirs use different values of certain variables
1952# (notably CXX). Worse, multilibs use *lots* of different values.
1953# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1954# it doesn't automatically accept command-line overrides of them.
1955# This means it's not safe for target subdirs to share a cache file,
1956# which is disgusting, but there you have it. Hopefully this can be
1957# fixed in future. It's still worthwhile to use a cache file for each
1958# directory. I think.
1959
1960# Pass the appropriate --build, --host, --target and --cache-file arguments.
1961# We need to pass --target, as newer autoconf's requires consistency
1962# for target_alias and gcc doesn't manage it consistently.
1963target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
1964
1965FLAGS_FOR_TARGET=
1966case " $target_configdirs " in
1967 *" newlib "*)
1968 case " $target_configargs " in
1969 *" --with-newlib "*)
1970 case "$target" in
1971 *-cygwin*)
1972 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' ;;
1973 esac
1974
1975 # If we're not building GCC, don't discard standard headers.
1976 if test -d ${srcdir}/gcc; then
1977 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1978
1979 if test "${build}" != "${host}"; then
1980 # On Canadian crosses, CC_FOR_TARGET will have already been set
1981 # by `configure', so we won't have an opportunity to add -Bgcc/
1982 # to it. This is right: we don't want to search that directory
1983 # for binaries, but we want the header files in there, so add
1984 # them explicitly.
1985 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
1986
1987 # Someone might think of using the pre-installed headers on
1988 # Canadian crosses, in case the installed compiler is not fully
1989 # compatible with the compiler being built. In this case, it
1990 # would be better to flag an error than risking having
1991 # incompatible object files being constructed. We can't
1992 # guarantee that an error will be flagged, but let's hope the
1993 # compiler will do it, when presented with incompatible header
1994 # files.
1995 fi
1996 fi
1997
1998 case "${target}-${is_cross_compiler}" in
1999 i[[3456789]]86-*-linux*-no)
2000 # Here host == target, so we don't need to build gcc,
2001 # so we don't want to discard standard headers.
2002 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2003 ;;
2004 *)
2005 # If we're building newlib, use its generic headers last, but search
2006 # for any libc-related directories first (so make it the last -B
2007 # switch).
2008 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2009 ;;
2010 esac
2011 ;;
2012 esac
2013 ;;
2014esac
2015
2016# Allow the user to override the flags for
2017# our build compiler if desired.
2018CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2019
2020# On Canadian crosses, we'll be searching the right directories for
2021# the previously-installed cross compiler, so don't bother to add
2022# flags for directories within the install tree of the compiler
2023# being built; programs in there won't even run.
2024if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2025 # Search for pre-installed headers if nothing else fits.
2026 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2027fi
2028
2029if test "x${use_gnu_ld}" = x &&
2030 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2031 # Arrange for us to find uninstalled linker scripts.
2032 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2033fi
2034
2035if test "x${CC_FOR_TARGET+set}" = xset; then
2036 :
2037elif test -d ${srcdir}/gcc; then
2038 CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/'
2039elif test "$host" = "$target"; then
2040 CC_FOR_TARGET='$(CC)'
2041else
2042 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2043fi
2044CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2045
2046if test "x${GCJ_FOR_TARGET+set}" = xset; then
2047 :
2048elif test -d ${srcdir}/gcc; then
2049 GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
2050elif test "$host" = "$target"; then
2051 GCJ_FOR_TARGET='gcj'
2052else
2053 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2054fi
2055GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2056
2057if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2058 :
2059elif test -d ${srcdir}/gcc; then
2060 GFORTRAN_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/'
2061elif test "$host" = "$target"; then
2062 GFORTRAN_FOR_TARGET='gfortran'
2063else
2064 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2065fi
2066case $GFORTRAN_FOR_TARGET in
2067*' $(FLAGS_FOR_TARGET)') ;;
2068*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2069esac
2070
2071# Don't use libstdc++-v3's flags to configure/build itself.
2072libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2073raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2074
2075if test "x${CXX_FOR_TARGET+set}" = xset; then
2076 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2077 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2078 fi
2079elif test -d ${srcdir}/gcc; then
2080 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2081 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2082 # default whereas gcc does not.
2083 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2084 # all other cases.
2085 CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$libstdcxx_flags
2086 RAW_CXX_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2087elif test "$host" = "$target"; then
2088 CXX_FOR_TARGET='$(CXX)'
2089 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2090else
2091 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2092 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2093fi
2094CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2095RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2096
2097qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2098qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2099
2100# We want to defer the evaluation of `cmd`s and shell variables in
2101# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2102# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2103# quotes, but we still have to duplicate `$'s so that shell variables
2104# can be expanded by the nested make as shell variables, not as make
2105# macros.
2106qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2107qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2108
2109# Wrap CC_FOR_TARGET and friends, for certain types of builds.
2110CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2111GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2112GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2113CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2114RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2115CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2116RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2117
2118# Makefile fragments.
2119for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2120do
2121 eval fragval=\$$frag
2122 if test $fragval != /dev/null; then
2123 eval $frag=${srcdir}/$fragval
2124 fi
2125done
2126AC_SUBST_FILE(host_makefile_frag)
2127AC_SUBST_FILE(target_makefile_frag)
2128AC_SUBST_FILE(alphaieee_frag)
2129AC_SUBST_FILE(ospace_frag)
2130
2131# Miscellanea: directories, flags, etc.
2132AC_SUBST(RPATH_ENVVAR)
2133AC_SUBST(BUILD_PREFIX)
2134AC_SUBST(BUILD_PREFIX_1)
2135AC_SUBST(tooldir)
2136AC_SUBST(build_tooldir)
2137AC_SUBST(GDB_TK)
2138
2139# Build module lists & subconfigure args.
2140AC_SUBST(build_configargs)
2141AC_SUBST(build_configdirs)
2142
2143# Host module lists & subconfigure args.
2144AC_SUBST(host_configargs)
2145AC_SUBST(configdirs)
2146
2147# Target module lists & subconfigure args.
2148AC_SUBST(target_configargs)
2149AC_SUBST(target_configdirs)
2150
2151# Build tools.
2152AC_SUBST(CC_FOR_BUILD)
2153AC_SUBST(config_shell)
2154
2155# Host tools.
2156NCN_STRICT_CHECK_TOOL(AR, ar)
2157NCN_STRICT_CHECK_TOOL(AS, as)
2158NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2159NCN_STRICT_CHECK_TOOL(LD, ld)
2160NCN_STRICT_CHECK_TOOL(NM, nm)
2161NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2162NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2163NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2164NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2165AC_SUBST(CC)
2166AC_SUBST(CXX)
2167AC_SUBST(CFLAGS)
2168AC_SUBST(CFLAGS_FOR_BUILD)
2169AC_SUBST(CXXFLAGS)
2170
2171# Target tools.
2172NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2173NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2174NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2175NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2176NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2177NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2178NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2179
2180AC_SUBST(GCC_FOR_TARGET)
2181AC_SUBST(FLAGS_FOR_TARGET)
2182AC_SUBST(CC_FOR_TARGET)
2183AC_SUBST(GCJ_FOR_TARGET)
2184AC_SUBST(GFORTRAN_FOR_TARGET)
2185AC_SUBST(CXX_FOR_TARGET)
2186AC_SUBST(RAW_CXX_FOR_TARGET)
2187AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2188AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2189
2190# Fix up target tools.
2191if test "x${build}" = "x${host}" ; then
2192 # In this case, the newly built tools can and should be used,
2193 # so we override the results of the autoconf tests.
2194 # This should really only happen when the tools are actually being built,
2195 # but that's a further refinement. The new build scheme, where
2196 # tools are built into a structure paralleling where they're installed,
2197 # should also eliminate all of this cleanly.
2198 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2199 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2200 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2201 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2202 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2203 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2204 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2205else
2206 # Just use the ones we found.
2207 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2208 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2209 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2210 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2211 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2212 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2213 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2214fi
2215AC_SUBST(AR_FOR_TARGET)
2216AC_SUBST(AS_FOR_TARGET)
2217AC_SUBST(DLLTOOL_FOR_TARGET)
2218AC_SUBST(LD_FOR_TARGET)
2219AC_SUBST(NM_FOR_TARGET)
2220AC_SUBST(RANLIB_FOR_TARGET)
2221AC_SUBST(WINDRES_FOR_TARGET)
2222
2223# Certain tools may need extra flags.
2224AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2225RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2226NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2227
2228AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2229AC_ARG_ENABLE(maintainer-mode,
2230[ --enable-maintainer-mode enable make rules and dependencies not useful
2231 (and sometimes confusing) to the casual installer],
2232 USE_MAINTAINER_MODE=$enableval,
2233 USE_MAINTAINER_MODE=no)
2234AC_MSG_RESULT($USE_MAINTAINER_MODE)
2235AC_SUBST(MAINTAINER_MODE_TRUE)
2236AC_SUBST(MAINTAINER_MODE_FALSE)
2237if test "$USE_MAINTAINER_MODE" = yes; then
2238 MAINTAINER_MODE_TRUE=
2239 MAINTAINER_MODE_FALSE='#'
2240else
2241 MAINTAINER_MODE_TRUE='#'
2242 MAINTAINER_MODE_FALSE=
2243fi
2244MAINT=$MAINTAINER_MODE_TRUE
2245AC_SUBST(MAINT)dnl
2246
2247# ---------------------
2248# GCC bootstrap support
2249# ---------------------
2250
2251# Stage specific cflags for build.
2252stage1_cflags="-g"
2253case $build in
2254 vax-*-*)
2255 case ${GCC} in
2256 yes) stage1_cflags="-g -Wa,-J" ;;
2257 *) stage1_cflags="-g -J" ;;
2258 esac ;;
2259 powerpc-*-darwin*)
2260 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2261 # sources; use -no-cpp-precomp to get to GNU cpp.
2262 # Apple's GCC has bugs in designated initializer handling, so disable
2263 # that too.
2264 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2265 ;;
2266esac
2267AC_SUBST(stage1_cflags)
2268
2269# It makes debugging easier if we create as symlinks the stage directories
2270# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2271# possible, however, we can resort to mv.
2272AC_CACHE_CHECK([if symbolic links between directories work],
2273[gcc_cv_prog_ln_s_dir],
2274[if test "${LN_S}" = "ln -s" \
2275 && mkdir confdir.s1 \
2276 && ln -s confdir.s1 confdir.s2 \
2277 && echo timestamp1 > confdir.s1/conftest.1 \
2278 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2279 && echo timestamp2 > confdir.s2/conftest.2 \
2280 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2281 && rm -f confdir.s2; then
2282 gcc_cv_prog_ln_s_dir=yes
2283else
2284 gcc_cv_prog_ln_s_dir=no
2285fi
2286rm -rf confdir.s1 confdir.s2])
2287
2288case ${gcc_cv_prog_ln_s_dir} in
2289 yes)
2290 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2291 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2292 *)
2293 CREATE_LINK_TO_DIR='mv $$1 $$2'
2294 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2295esac
2296AC_SUBST(CREATE_LINK_TO_DIR)
2297AC_SUBST(UNDO_LINK_TO_DIR)
2298
2299# Enable -Werror in bootstrap stage2 and later.
2300# Change the default to "no" on release branches.
2301AC_ARG_ENABLE(werror,
2302[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2303[enable_werror=yes])
2304case ${enable_werror} in
2305 yes) stage2_werror_flag="--enable-werror-always" ;;
2306 *) stage2_werror_flag="" ;;
2307esac
2308AC_SUBST(stage2_werror_flag)
2309
2310AC_OUTPUT(Makefile)
A mirror of the official binutils-gdb repository