| blob | 02493896bfe05faba4d66138c0abce9e439dce66 |
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.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
24 AC_PREREQ(2.13)
25 AC_CANONICAL_SYSTEM
26 AC_ARG_PROGRAM
28 # Get 'install' or 'install-sh' and its variants.
29 AC_PROG_INSTALL
30 ACX_PROG_LN
31 AC_PROG_LN_S
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.
38 case "${OSTYPE}" in
39 *win32*)
40 if test x${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 ;;
63 esac
65 config_shell=${CONFIG_SHELL-/bin/sh}
67 progname=$0
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
73 tmp="$progname $@"
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75 $tmp
76 EOF_SED
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
78 rm -f conftestsed.out
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
86 # a relative path.
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
89 fi
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
93 pwd=`${PWDCMD-pwd}`
94 if test "${pwd}" = "${srcpwd}" ; then
95 srcdir=.
96 fi
98 topsrcdir=$srcpwd
100 extra_host_args=
101 # Define the trigger file to make sure configure will re-run whenever
102 # the gcc version number changes.
103 if test "${with_gcc_version_trigger+set}" = set ; then
104 gcc_version_trigger="$with_gcc_version_trigger"
105 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
106 else
107 # If gcc's sources are available, define the trigger file.
108 if test -f ${topsrcdir}/gcc/version.c ; then
109 gcc_version_trigger=${topsrcdir}/gcc/version.c
110 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
111 case "$ac_configure_args" in
112 *--with-gcc-version-trigger=$gcc_version_trigger* )
113 ;;
114 * )
115 # Add to all subconfigure arguments: build, host, and target.
116 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
117 ;;
118 esac
119 fi
120 fi
122 ### To add a new directory to the tree, first choose whether it is a target
123 ### or a host dependent tool. Then put it into the appropriate list
124 ### (library or tools, host or target), doing a dependency sort.
126 # Subdirs will be configured in the order listed in build_configdirs,
127 # configdirs, or target_configdirs; see the serialization section below.
129 # Dependency sorting is only needed when *configuration* must be done in
130 # a particular order. In all cases a dependency should be specified in
131 # the Makefile, whether or not it's implicitly specified here.
133 # Double entries in build_configdirs, configdirs, or target_configdirs may
134 # cause circular dependencies and break everything horribly.
136 # these library is used by various programs built for the build
137 # environment
138 #
139 build_libs="build-libiberty"
141 # these tools are built for the build environment
142 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
144 # these libraries are used by various programs built for the host environment
145 #
146 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
148 # these tools are built for the host environment
149 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
150 # know that we are building the simulator.
151 # binutils, gas and ld appear in that order because it makes sense to run
152 # "make check" in that particular order.
153 host_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"
155 # libgcj represents the runtime libraries only used by gcj.
156 libgcj="target-libffi \
157 target-boehm-gc \
158 target-zlib \
159 target-qthreads \
160 target-libjava"
162 # these libraries are built for the target environment, and are built after
163 # the host libraries and the host tools (which may be a cross compiler)
164 #
165 target_libraries="target-libiberty \
166 target-libgloss \
167 target-newlib \
168 target-libstdc++-v3 \
169 target-libmudflap \
170 target-libgfortran \
171 ${libgcj} \
172 target-libobjc \
173 target-libada"
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
177 #
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list. those programs are also very likely
180 # candidates for the "native_only" list which follows
181 #
182 target_tools="target-examples target-groff target-gperf target-rda"
184 ################################################################################
186 ## All tools belong in one of the four categories, and are assigned above
187 ## We assign ${configdirs} this way to remove all embedded newlines. This
188 ## is important because configure will choke if they ever get through.
189 ## ${configdirs} is directories we build using the host tools.
190 ## ${target_configdirs} is directories we build using the target tools.
191 configdirs=`echo ${host_libs} ${host_tools}`
192 target_configdirs=`echo ${target_libraries} ${target_tools}`
193 build_configdirs=`echo ${build_libs} ${build_tools}`
195 ################################################################################
197 srcname="gnu development package"
199 # This gets set non-empty for some net releases of packages.
200 appdirs=""
202 # Define is_cross_compiler to save on calls to 'test'.
203 is_cross_compiler=
204 if test x"${host}" = x"${target}" ; then
205 is_cross_compiler=no
206 else
207 is_cross_compiler=yes
208 fi
210 # Find the build and target subdir names.
211 GCC_TOPLEV_SUBDIRS
213 # Skipdirs are removed silently.
214 skipdirs=
215 # Noconfigdirs are removed loudly.
216 noconfigdirs=""
218 use_gnu_ld=
219 # Make sure we don't let GNU ld be added if we didn't want it.
220 if test x$with_gnu_ld = xno ; then
221 use_gnu_ld=no
222 noconfigdirs="$noconfigdirs ld"
223 fi
225 use_gnu_as=
226 # Make sure we don't let GNU as be added if we didn't want it.
227 if test x$with_gnu_as = xno ; then
228 use_gnu_as=no
229 noconfigdirs="$noconfigdirs gas"
230 fi
232 # some tools are so dependent upon X11 that if we're not building with X,
233 # it's not even worth trying to configure, much less build, that tool.
235 case ${with_x} in
236 yes | "") ;; # the default value for this tree is that X11 is available
237 no)
238 skipdirs="${skipdirs} tk itcl libgui"
239 # We won't be able to build gdbtk without X.
240 enable_gdbtk=no
241 ;;
242 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
243 esac
245 # Some tools are only suitable for building in a "native" situation.
246 # Remove these if host!=target.
247 native_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"
249 # Similarly, some are only suitable for cross toolchains.
250 # Remove these if host=target.
251 cross_only="target-libgloss target-newlib target-opcodes"
253 case $is_cross_compiler in
254 no) skipdirs="${skipdirs} ${cross_only}" ;;
255 yes) skipdirs="${skipdirs} ${native_only}" ;;
256 esac
258 # If both --with-headers and --with-libs are specified, default to
259 # --without-newlib.
260 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
261 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
262 if test x"${with_newlib}" = x ; then
263 with_newlib=no
264 fi
265 fi
267 # Recognize --with-newlib/--without-newlib.
268 case ${with_newlib} in
269 no) skipdirs="${skipdirs} target-newlib" ;;
270 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
271 esac
273 # Configure extra directories which are host specific
275 case "${host}" in
276 *-cygwin*)
277 configdirs="$configdirs libtermcap" ;;
278 esac
280 # Remove more programs from consideration, based on the host or
281 # target this usually means that a port of the program doesn't
282 # exist yet.
284 case "${host}" in
285 hppa*64*-*-*)
286 noconfigdirs="$noconfigdirs byacc"
287 ;;
288 i[[3456789]]86-*-vsta)
289 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
290 ;;
291 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
292 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
293 ;;
294 i[[3456789]]86-*-mingw32*)
295 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
296 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
297 ;;
298 i[[3456789]]86-*-beos*)
299 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
300 ;;
301 *-*-cygwin*)
302 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
303 ;;
304 *-*-netbsd*)
305 noconfigdirs="$noconfigdirs rcs"
306 ;;
307 ppc*-*-pe)
308 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
309 ;;
310 powerpc-*-beos*)
311 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
312 ;;
313 *-*-darwin*)
314 noconfigdirs="$noconfigdirs tk itcl libgui"
315 ;;
316 esac
319 AC_ARG_ENABLE(libada,
320 [ --enable-libada Builds libada directory],
321 ENABLE_LIBADA=$enableval,
322 ENABLE_LIBADA=yes)
323 if test "${ENABLE_LIBADA}" != "yes" ; then
324 noconfigdirs="$noconfigdirs target-libada"
325 fi
327 # Save it here so that, even in case of --enable-libgcj, if the Java
328 # front-end isn't enabled, we still get libgcj disabled.
329 libgcj_saved=$libgcj
330 case $enable_libgcj in
331 yes)
332 # If we reset it here, it won't get added to noconfigdirs in the
333 # target-specific build rules, so it will be forcibly enabled
334 # (unless the Java language itself isn't enabled).
335 libgcj=
336 ;;
337 no)
338 # Make sure we get it printed in the list of not supported target libs.
339 noconfigdirs="$noconfigdirs ${libgcj}"
340 ;;
341 esac
344 # Allow --disable-libmudflap to exclude target-libmudflap
345 case $enable_libmudflap in
346 yes)
347 ;;
348 no)
349 noconfigdirs="$noconfigdirs target-libmudflap"
350 ;;
351 "")
352 case "${target}" in
353 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
354 # Enable libmudflap by default in GNU and friends.
355 ;;
356 *-*-freebsd*)
357 # Enable libmudflap by default in FreeBSD.
358 ;;
359 *)
360 # Disable it by default everywhere else.
361 noconfigdirs="$noconfigdirs target-libmudflap"
362 ;;
363 esac
364 esac
367 case "${target}" in
368 *-*-chorusos)
369 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
370 ;;
371 powerpc-*-darwin*)
372 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
373 # APPLE LOCAL 64-bit bringup
374 noconfigdirs="$noconfigdirs target-libobjc"
375 ;;
376 *-*-darwin*)
377 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
378 # APPLE LOCAL 64-bit bringup
379 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
380 ;;
381 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
382 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
383 ;;
384 *-*-freebsd*)
385 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
386 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
387 && test -f /usr/local/include/gmp.h; then
388 with_gmp=/usr/local
389 fi
391 # Skip some stuff that's unsupported on some FreeBSD configurations.
392 case "${target}" in
393 i*86-*-*) ;;
394 alpha*-*-*) ;;
395 *)
396 noconfigdirs="$noconfigdirs ${libgcj}"
397 ;;
398 esac
399 ;;
400 *-*-kaos*)
401 # Remove unsupported stuff on all kaOS configurations.
402 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
403 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
404 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
405 noconfigdirs="$noconfigdirs target-libgloss"
406 ;;
407 *-*-netbsd*)
408 # Skip some stuff on all NetBSD configurations.
409 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
411 # Skip some stuff that's unsupported on some NetBSD configurations.
412 case "${target}" in
413 i*86-*-netbsdelf*) ;;
414 arm*-*-netbsdelf*) ;;
415 *)
416 noconfigdirs="$noconfigdirs ${libgcj}"
417 ;;
418 esac
419 ;;
420 *-*-netware*)
421 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
422 ;;
423 *-*-rtems*)
424 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
425 ;;
426 *-*-uclinux*)
427 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
428 ;;
429 *-*-vxworks*)
430 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
431 ;;
432 alpha*-dec-osf*)
433 # ld works, but does not support shared libraries.
434 # newlib is not 64 bit ready. I'm not sure about fileutils.
435 # gas doesn't generate exception information.
436 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
437 ;;
438 alpha*-*-*vms*)
439 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
440 ;;
441 alpha*-*-linux*)
442 # newlib is not 64 bit ready
443 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
444 ;;
445 alpha*-*-*)
446 # newlib is not 64 bit ready
447 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
448 ;;
449 am33_2.0-*-linux*)
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
451 ;;
452 sh-*-linux*)
453 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
454 ;;
455 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
456 noconfigdirs="$noconfigdirs ${libgcj}"
457 noconfigdirs="$noconfigdirs target-examples"
458 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
459 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
460 noconfigdirs="$noconfigdirs expect dejagnu"
461 # the C++ libraries don't build on top of CE's C libraries
462 noconfigdirs="$noconfigdirs target-libstdc++-v3"
463 noconfigdirs="$noconfigdirs target-newlib"
464 case "${host}" in
465 *-*-cygwin*) ;; # keep gdb and readline
466 *) noconfigdirs="$noconfigdirs gdb readline"
467 ;;
468 esac
469 ;;
470 arc-*-*)
471 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
472 ;;
473 arm-*-coff | strongarm-*-coff | xscale-*-coff)
474 noconfigdirs="$noconfigdirs ${libgcj}"
475 ;;
476 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
477 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
478 ;;
479 arm*-*-symbianelf*)
480 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
481 ;;
482 arm-*-pe*)
483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
484 ;;
485 arm-*-oabi*)
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
487 ;;
488 thumb-*-coff)
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
490 ;;
491 thumb-*-elf)
492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
493 ;;
494 thumb-*-oabi)
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
496 ;;
497 thumb-*-pe)
498 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 ;;
500 arm-*-riscix*)
501 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
502 ;;
503 avr-*-*)
504 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
505 ;;
506 c4x-*-* | tic4x-*-*)
507 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
508 ;;
509 c54x*-*-* | tic54x-*-*)
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
511 ;;
512 cris-*-*)
513 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
514 ;;
515 crx-*-*)
516 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
517 ;;
518 d10v-*-*)
519 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
520 ;;
521 d30v-*-*)
522 noconfigdirs="$noconfigdirs ${libgcj} gdb"
523 ;;
524 fr30-*-elf*)
525 noconfigdirs="$noconfigdirs ${libgcj} gdb"
526 ;;
527 frv-*-*)
528 noconfigdirs="$noconfigdirs ${libgcj}"
529 ;;
530 h8300*-*-*)
531 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
532 ;;
533 h8500-*-*)
534 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
535 ;;
536 hppa*64*-*-linux* | parisc*64*-*-linux*)
537 # In this case, it's because the hppa64-linux target is for
538 # the kernel only at this point and has no libc, and thus no
539 # headers, crt*.o, etc., all of which are needed by these.
540 noconfigdirs="$noconfigdirs target-zlib"
541 ;;
542 hppa*-*-*elf* | \
543 parisc*-*-linux* | hppa*-*-linux* | \
544 hppa*-*-lites* | \
545 hppa*-*-openbsd* | \
546 hppa*64*-*-*)
547 noconfigdirs="$noconfigdirs ${libgcj}"
548 # Do configure ld/binutils/gas for this case.
549 ;;
550 hppa*-*-*)
551 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
552 # build on HP-UX 10.20.
553 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
554 ;;
555 i960-*-*)
556 noconfigdirs="$noconfigdirs ${libgcj} gdb"
557 ;;
558 ia64*-*-elf*)
559 # No gdb support yet.
560 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
561 ;;
562 ia64*-**-hpux*)
563 # No gdb or ld support yet.
564 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
565 ;;
566 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
567 noconfigdirs="$noconfigdirs ${libgcj}"
568 ;;
569 i[[3456789]]86-*-linux*)
570 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
571 # not build java stuff by default.
572 case "${target}" in
573 *-*-*libc1*)
574 noconfigdirs="$noconfigdirs ${libgcj}";;
575 esac
577 # This section makes it possible to build newlib natively on linux.
578 # If we are using a cross compiler then don't configure newlib.
579 if test x${is_cross_compiler} != xno ; then
580 noconfigdirs="$noconfigdirs target-newlib"
581 fi
582 noconfigdirs="$noconfigdirs target-libgloss"
583 # If we are not using a cross compiler, do configure newlib.
584 # Note however, that newlib will only be configured in this situation
585 # if the --with-newlib option has been given, because otherwise
586 # 'target-newlib' will appear in skipdirs.
587 ;;
588 i[[3456789]]86-*-mingw32*)
589 target_configdirs="$target_configdirs target-mingw"
590 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
592 # Can't build gdb for mingw32 if not native.
593 case "${host}" in
594 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
595 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
596 ;;
597 esac
598 ;;
599 *-*-cygwin*)
600 target_configdirs="$target_configdirs target-libtermcap target-winsup"
601 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
602 # always build newlib if winsup directory is present.
603 if test -d "$srcdir/winsup"; then
604 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
605 elif test -d "$srcdir/newlib"; then
606 echo "Warning: winsup is missing so newlib can't be built."
607 fi
609 # Can't build gdb for Cygwin if not native.
610 case "${host}" in
611 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
612 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
613 ;;
614 esac
615 ;;
616 i[[3456789]]86-*-pe)
617 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
618 ;;
619 i[[3456789]]86-*-sco3.2v5*)
620 # The linker does not yet know about weak symbols in COFF,
621 # and is not configured to handle mixed ELF and COFF.
622 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
623 ;;
624 i[[3456789]]86-*-sco*)
625 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
626 ;;
627 i[[3456789]]86-*-solaris2*)
628 noconfigdirs="$noconfigdirs target-libgloss"
629 ;;
630 i[[3456789]]86-*-sysv4*)
631 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
632 ;;
633 i[[3456789]]86-*-beos*)
634 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
635 ;;
636 m32r-*-*)
637 noconfigdirs="$noconfigdirs ${libgcj}"
638 ;;
639 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
640 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
641 ;;
642 m68k-*-elf*)
643 noconfigdirs="$noconfigdirs ${libgcj}"
644 ;;
645 m68k-*-coff*)
646 noconfigdirs="$noconfigdirs ${libgcj}"
647 ;;
648 mcore-*-pe*)
649 # The EPOC C++ environment does not support exceptions or rtti,
650 # and so building libstdc++-v3 tends not to always work.
651 noconfigdirs="$noconfigdirs target-libstdc++-v3"
652 ;;
653 mmix-*-*)
654 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
655 ;;
656 mn10200-*-*)
657 noconfigdirs="$noconfigdirs ${libgcj}"
658 ;;
659 mn10300-*-*)
660 noconfigdirs="$noconfigdirs ${libgcj}"
661 ;;
662 powerpc-*-aix*)
663 # copied from rs6000-*-* entry
664 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
665 ;;
666 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
667 target_configdirs="$target_configdirs target-winsup"
668 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
669 # always build newlib.
670 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
671 ;;
672 # This is temporary until we can link against shared libraries
673 powerpcle-*-solaris*)
674 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
675 ;;
676 powerpc-*-beos*)
677 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
678 ;;
679 powerpc-*-eabi)
680 noconfigdirs="$noconfigdirs ${libgcj}"
681 ;;
682 rs6000-*-lynxos*)
683 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
684 ;;
685 rs6000-*-aix*)
686 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
687 ;;
688 rs6000-*-*)
689 noconfigdirs="$noconfigdirs gprof ${libgcj}"
690 ;;
691 m68k-apollo-*)
692 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
693 ;;
694 mips*-*-irix5*)
695 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
696 ;;
697 mips*-*-irix6*)
698 # Linking libjava exceeds command-line length limits on at least
699 # IRIX 6.2, but not on IRIX 6.5.
700 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
701 # <oldham@codesourcery.com>
702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
703 ;;
704 mips*-dec-bsd*)
705 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
706 ;;
707 mips*-*-bsd*)
708 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
709 ;;
710 mipstx39-*-*)
711 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
712 ;;
713 mips64*-*-linux*)
714 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
715 ;;
716 mips*-*-linux*)
717 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
718 ;;
719 mips*-*-*)
720 noconfigdirs="$noconfigdirs gprof ${libgcj}"
721 ;;
722 romp-*-*)
723 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
724 ;;
725 sh-*-*)
726 case "${host}" in
727 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
728 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
729 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
730 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
731 esac
732 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
733 ;;
734 sh64-*-*)
735 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
736 ;;
737 sparc-*-elf*)
738 noconfigdirs="$noconfigdirs ${libgcj}"
739 ;;
740 sparc64-*-elf*)
741 noconfigdirs="$noconfigdirs ${libgcj}"
742 ;;
743 sparclite-*-*)
744 noconfigdirs="$noconfigdirs ${libgcj}"
745 ;;
746 sparc-*-sunos4*)
747 noconfigdirs="$noconfigdirs ${libgcj}"
748 if test x${is_cross_compiler} != xno ; then
749 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
750 else
751 use_gnu_ld=no
752 fi
753 ;;
754 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
755 ;;
756 v810-*-*)
757 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
758 ;;
759 v850-*-*)
760 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
761 ;;
762 v850e-*-*)
763 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
764 ;;
765 v850ea-*-*)
766 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
767 ;;
768 vax-*-vms)
769 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
770 ;;
771 vax-*-*)
772 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
773 ;;
774 xtensa-*-*)
775 noconfigdirs="$noconfigdirs ${libgcj}"
776 ;;
777 ip2k-*-*)
778 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
779 ;;
780 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
781 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
782 ;;
783 *-*-lynxos*)
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
785 ;;
786 *-*-*)
787 noconfigdirs="$noconfigdirs ${libgcj}"
788 ;;
789 esac
791 # If we aren't building newlib, then don't build libgloss, since libgloss
792 # depends upon some newlib header files.
793 case "${noconfigdirs}" in
794 *target-libgloss*) ;;
795 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
796 esac
798 # Work in distributions that contain no compiler tools, like Autoconf.
799 tentative_cc=""
800 host_makefile_frag=/dev/null
801 if test -d ${srcdir}/config ; then
802 case "${host}" in
803 m68k-hp-hpux*)
804 # Avoid "too much defining" errors from HPUX compiler.
805 tentative_cc="cc -Wp,-H256000"
806 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
807 # If it's HP/UX ar, this should be harmless.
808 RANLIB="ar ts"
809 ;;
810 m68k-apollo-sysv*)
811 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
812 ;;
813 m68k-apollo-bsd*)
814 #None of the Apollo compilers can compile gas or binutils. The preprocessor
815 # chokes on bfd, the compiler won't let you assign integers to enums, and
816 # other problems. Defining CC to gcc is a questionable way to say "don't use
817 # the apollo compiler" (the preferred version of GCC could be called cc,
818 # or whatever), but I'm not sure leaving CC as cc is any better...
819 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
820 # Used to have BISON=yacc.
821 tentative_cc=gcc
822 ;;
823 m88k-dg-dgux*)
824 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
825 ;;
826 m88k-harris-cxux*)
827 # Under CX/UX, we want to tell the compiler to use ANSI mode.
828 tentative_cc="cc -Xa"
829 host_makefile_frag="config/mh-cxux"
830 ;;
831 m88k-motorola-sysv*)
832 ;;
833 mips*-dec-ultrix*)
834 tentative_cc="cc -Wf,-XNg1000"
835 host_makefile_frag="config/mh-decstation"
836 ;;
837 mips*-nec-sysv4*)
838 # The C compiler on NEC MIPS SVR4 needs bigger tables.
839 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
840 host_makefile_frag="config/mh-necv4"
841 ;;
842 mips*-sgi-irix4*)
843 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
844 # environment. Also bump switch table size so that cp-parse will
845 # compile. Bump string length limit so linker builds.
846 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
847 ;;
848 mips*-*-sysv4*)
849 host_makefile_frag="config/mh-sysv4"
850 ;;
851 mips*-*-sysv*)
852 # This is for a MIPS running RISC/os 4.52C.
854 # This is needed for GDB, but needs to be in the top-level make because
855 # if a library is compiled with the bsd headers and gets linked with the
856 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
857 # a different size).
858 # ptrace(2) apparently has problems in the BSD environment. No workaround is
859 # known except to select the sysv environment. Could we use /proc instead?
860 # These "sysv environments" and "bsd environments" often end up being a pain.
861 #
862 # This is not part of CFLAGS because perhaps not all C compilers have this
863 # option.
864 tentative_cc="cc -systype sysv"
865 ;;
866 i370-ibm-opened*)
867 tentative_cc="c89"
868 ;;
869 i[[3456789]]86-*-sysv5*)
870 host_makefile_frag="config/mh-sysv5"
871 ;;
872 i[[3456789]]86-*-dgux*)
873 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
874 host_makefile_frag="config/mh-dgux386"
875 ;;
876 i[[3456789]]86-ncr-sysv4.3*)
877 # The MetaWare compiler will generate a copyright message unless you
878 # turn it off by adding the -Hnocopyr flag.
879 tentative_cc="cc -Hnocopyr"
880 ;;
881 i[[3456789]]86-ncr-sysv4*)
882 # for an NCR 3000 (i486/SVR4) system.
883 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
884 # This compiler not only emits obnoxious copyright messages every time
885 # you run it, but it chokes and dies on a whole bunch of GNU source
886 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
887 tentative_cc="/usr/ccs/ATT/cc"
888 host_makefile_frag="config/mh-ncr3000"
889 ;;
890 i[[3456789]]86-*-sco3.2v5*)
891 ;;
892 i[[3456789]]86-*-sco*)
893 # The native C compiler botches some simple uses of const. Unfortunately,
894 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
895 tentative_cc="cc -Dconst="
896 host_makefile_frag="config/mh-sco"
897 ;;
898 i[[3456789]]86-*-udk*)
899 host_makefile_frag="config/mh-sysv5"
900 ;;
901 i[[3456789]]86-*-solaris2*)
902 host_makefile_frag="config/mh-sysv4"
903 ;;
904 i[[3456789]]86-*-msdosdjgpp*)
905 host_makefile_frag="config/mh-djgpp"
906 ;;
907 *-cygwin*)
908 host_makefile_frag="config/mh-cygwin"
909 ;;
910 *-mingw32*)
911 host_makefile_frag="config/mh-mingw32"
912 ;;
913 *-interix*)
914 host_makefile_frag="config/mh-interix"
915 ;;
916 vax-*-ultrix2*)
917 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
918 tentative_cc=gcc
919 ;;
920 *-*-solaris2*)
921 host_makefile_frag="config/mh-solaris"
922 ;;
923 m68k-sun-sunos*)
924 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
925 # without overflowing the jump tables (-J says to use a 32 bit table)
926 tentative_cc="cc -J"
927 ;;
928 *-hp-hpux*)
929 tentative_cc="cc -Wp,-H256000"
930 ;;
931 *-*-hiux*)
932 tentative_cc="cc -Wp,-H256000"
933 ;;
934 rs6000-*-lynxos*)
935 # /bin/cc is less than useful for our purposes. Always use GCC
936 tentative_cc="/usr/cygnus/progressive/bin/gcc"
937 host_makefile_frag="config/mh-lynxrs6k"
938 ;;
939 powerpc-*-darwin*)
940 host_makefile_frag="config/mh-ppc-darwin"
941 ;;
942 *-*-lynxos*)
943 # /bin/cc is less than useful for our purposes. Always use GCC
944 tentative_cc="/bin/gcc"
945 ;;
946 *-*-sysv4*)
947 host_makefile_frag="config/mh-sysv4"
948 ;;
949 # This is placed last to prevent interfering with the cases above.
950 i[[3456789]]86-*-*)
951 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
952 host_makefile_frag="config/mh-x86omitfp"
953 ;;
954 esac
955 fi
957 # If we aren't going to be using gcc, see if we can extract a definition
958 # of CC from the fragment.
959 # Actually, use the 'pre-extracted' version above.
960 if test -z "${CC}" && test "${build}" = "${host}" ; then
961 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
962 found=
963 for dir in $PATH; do
964 test -z "$dir" && dir=.
965 if test -f $dir/gcc; then
966 found=yes
967 break
968 fi
969 done
970 IFS="$save_ifs"
971 if test -z "${found}" && test -n "${tentative_cc}" ; then
972 CC=$tentative_cc
973 fi
974 fi
976 if test "${build}" != "${host}" ; then
977 # If we are doing a Canadian Cross, in which the host and build systems
978 # are not the same, we set reasonable default values for the tools.
980 CC=${CC-${host_alias}-gcc}
981 CFLAGS=${CFLAGS-"-g -O2"}
982 CXX=${CXX-${host_alias}-c++}
983 CXXFLAGS=${CXXFLAGS-"-g -O2"}
984 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
985 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
986 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
987 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
988 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
989 BUILD_PREFIX=${build_alias}-
990 BUILD_PREFIX_1=${build_alias}-
992 else
993 # Set reasonable default values for some tools even if not Canadian.
994 # Of course, these are different reasonable default values, originally
995 # specified directly in the Makefile.
996 # We don't export, so that autoconf can do its job.
997 # Note that all these settings are above the fragment inclusion point
998 # in Makefile.in, so can still be overridden by fragments.
999 # This is all going to change when we autoconfiscate...
1001 CC_FOR_BUILD="\$(CC)"
1002 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1003 BUILD_PREFIX=
1004 BUILD_PREFIX_1=loser-
1006 AC_PROG_CC
1008 # We must set the default linker to the linker used by gcc for the correct
1009 # operation of libtool. If LD is not defined and we are using gcc, try to
1010 # set the LD default to the ld used by gcc.
1011 if test -z "$LD"; then
1012 if test "$GCC" = yes; then
1013 case $build in
1014 *-*-mingw*)
1015 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1016 *)
1017 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1018 esac
1019 case $gcc_prog_ld in
1020 # Accept absolute paths.
1021 [[\\/]* | [A-Za-z]:[\\/]*)]
1022 LD="$gcc_prog_ld" ;;
1023 esac
1024 fi
1025 fi
1027 CXX=${CXX-"c++"}
1028 CFLAGS=${CFLAGS-"-g"}
1029 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1030 fi
1032 ACX_PROG_GNAT
1033 ACX_PROG_CMP_IGNORE_INITIAL
1035 # Check for GMP and MPFR
1036 gmplibs=
1037 gmpinc=
1038 have_gmp=yes
1039 # Specify a location for mpfr
1040 # check for this first so it ends up on the link line before gmp.
1041 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1043 if test "x$with_mpfr_dir" != x; then
1044 gmpinc="-I$with_mpfr_dir/mpfr"
1045 gmplibs="$with_mpfr_dir/libmpfr.a"
1046 else
1047 gmplibs="-lmpfr"
1048 fi
1050 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1052 if test "x$with_mpfr" != x; then
1053 gmplibs="-L$with_mpfr/lib $gmplibs"
1054 gmpinc="-I$with_mpfr/include"
1055 fi
1057 # Specify a location for gmp
1058 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1060 if test "x$with_gmp_dir" != x; then
1061 gmpinc="$gmpinc -I$with_gmp_dir"
1062 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1063 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1064 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1065 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1066 fi
1067 # One of the later tests will catch the error if neither library is present.
1068 else
1069 gmplibs="$gmplibs -lgmp"
1070 fi
1072 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1074 if test "x$with_gmp" != x; then
1075 gmplibs="-L$with_gmp/lib $gmplibs"
1076 gmpinc="-I$with_gmp/include $gmpinc"
1077 fi
1079 saved_CFLAGS="$CFLAGS"
1080 CFLAGS="$CFLAGS $gmpinc"
1081 # Check GMP actually works
1082 AC_MSG_CHECKING([for correct version of gmp.h])
1083 AC_TRY_COMPILE([#include "gmp.h"],[
1084 #if __GNU_MP_VERSION < 3
1085 choke me
1086 #endif
1087 ], [AC_MSG_RESULT([yes])],
1088 [AC_MSG_RESULT([no]); have_gmp=no])
1090 if test x"$have_gmp" = xyes; then
1091 AC_MSG_CHECKING([for MPFR])
1093 saved_LIBS="$LIBS"
1094 LIBS="$LIBS $gmplibs"
1095 AC_TRY_LINK([#include <gmp.h>
1096 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1097 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1098 LIBS="$saved_LIBS"
1099 CFLAGS="$saved_CFLAGS"
1100 fi
1102 # Flags needed for both GMP and/or MPFR
1103 AC_SUBST(gmplibs)
1104 AC_SUBST(gmpinc)
1106 # By default, C is the only stage 1 language.
1107 stage1_languages=c
1108 AC_SUBST(stage1_languages)
1110 # Figure out what language subdirectories are present.
1111 # Look if the user specified --enable-languages="..."; if not, use
1112 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1113 # go away some day.
1114 # NB: embedded tabs in this IF block -- do not untabify
1115 if test -d ${srcdir}/gcc; then
1116 if test x"${enable_languages+set}" != xset; then
1117 if test x"${LANGUAGES+set}" = xset; then
1118 enable_languages="${LANGUAGES}"
1119 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1120 else
1121 enable_languages=all
1122 fi
1123 else
1124 if test x"${enable_languages}" = x ||
1125 test x"${enable_languages}" = xyes;
1126 then
1127 echo configure.in: --enable-languages needs at least one language argument 1>&2
1128 exit 1
1129 fi
1130 fi
1131 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1133 # First scan to see if an enabled language requires some other language.
1134 # We assume that a given config-lang.in will list all the language
1135 # front ends it requires, even if some are required indirectly.
1136 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1137 case ${lang_frag} in
1138 ..) ;;
1139 # The odd quoting in the next line works around
1140 # an apparent bug in bash 1.12 on linux.
1141 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1142 *)
1143 # From the config-lang.in, get $language, $lang_requires
1144 language=
1145 lang_requires=
1146 . ${lang_frag}
1147 for other in ${lang_requires} ; do
1148 case ,${enable_languages}, in
1149 *,$other,*) ;;
1150 *,all,*) ;;
1151 *,$language,*)
1152 echo " \`$other' language required by \`$language'; enabling" 1>&2
1153 enable_languages="${enable_languages},${other}"
1154 ;;
1155 esac
1156 done
1157 ;;
1158 esac
1159 done
1161 new_enable_languages=c
1162 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1163 potential_languages=c
1165 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1166 case ${lang_frag} in
1167 ..) ;;
1168 # The odd quoting in the next line works around
1169 # an apparent bug in bash 1.12 on linux.
1170 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1171 *)
1172 # From the config-lang.in, get $language, $target_libs,
1173 # $lang_dirs, $boot_language, and $build_by_default
1174 language=
1175 target_libs=
1176 lang_dirs=
1177 boot_language=
1178 build_by_default=
1179 need_gmp=
1180 . ${lang_frag}
1181 potential_languages="${potential_languages},${language}"
1182 # This is quite sensitive to the ordering of the case statement arms.
1183 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1184 *::*:*)
1185 echo "${lang_frag} doesn't set \$language." 1>&2
1186 exit 1
1187 ;;
1188 *:ada:no:*)
1189 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1190 add_this_lang=no
1191 ;;
1192 *,${language},*:*:*:*)
1193 # Language was explicitly selected; include it.
1194 add_this_lang=yes
1195 ;;
1196 *,all,*:*:*:no)
1197 # 'all' was selected, but this is not a default language
1198 # so do not include it.
1199 add_this_lang=no
1200 ;;
1201 *,all,*:*:*:*)
1202 # 'all' was selected and this is a default language; include it.
1203 add_this_lang=yes
1204 ;;
1205 *)
1206 add_this_lang=no
1207 ;;
1208 esac
1210 # Disable languages that need GMP if it isn't available.
1211 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1212 *,${language},*:no:yes)
1213 # Specifically requested language; tell them.
1214 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1215 ;;
1216 *:no:yes)
1217 # Silently disable.
1218 add_this_lang=no
1219 ;;
1220 esac
1222 case $add_this_lang in
1223 no)
1224 # Remove language-dependent dirs.
1225 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1226 ;;
1227 *)
1228 new_enable_languages="$new_enable_languages,$language"
1229 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1230 case ${boot_language} in
1231 yes)
1232 # Add to (comma-separated) list of stage 1 languages.
1233 stage1_languages="${stage1_languages},${language}"
1234 ;;
1235 esac
1236 ;;
1237 esac
1238 ;;
1239 esac
1240 done
1242 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1243 if test "x$missing_languages" != x; then
1244 AC_MSG_ERROR([
1245 The following requested languages were not found: ${missing_languages}
1246 The available languages are: ${potential_languages}])
1247 fi
1249 if test "x$new_enable_languages" != "x$enable_languages"; then
1250 echo The following languages will be built: ${new_enable_languages}
1251 fi
1252 enable_languages="$new_enable_languages"
1253 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1254 fi
1256 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1257 # $target_configdirs.
1258 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1260 notsupp=""
1261 for dir in . $skipdirs $noconfigdirs ; do
1262 dirname=`echo $dir | sed -e s/target-//g`
1263 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1264 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1265 if test -r $srcdir/$dirname/configure ; then
1266 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1267 true
1268 else
1269 notsupp="$notsupp $dir"
1270 fi
1271 fi
1272 fi
1273 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1274 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1275 if test -r $srcdir/$dirname/configure ; then
1276 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1277 true
1278 else
1279 notsupp="$notsupp $dir"
1280 fi
1281 fi
1282 fi
1283 done
1285 # Sometimes the tools are distributed with libiberty but with no other
1286 # libraries. In that case, we don't want to build target-libiberty.
1287 if test -n "${target_configdirs}" ; then
1288 others=
1289 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1290 if test "$i" != "libiberty" ; then
1291 if test -r $srcdir/$i/configure ; then
1292 others=yes;
1293 break;
1294 fi
1295 fi
1296 done
1297 if test -z "${others}" ; then
1298 target_configdirs=
1299 fi
1300 fi
1302 # Quietly strip out all directories which aren't configurable in this tree.
1303 # This relies on all configurable subdirectories being autoconfiscated, which
1304 # is now the case.
1305 build_configdirs_all="$build_configdirs"
1306 build_configdirs=
1307 for i in ${build_configdirs_all} ; do
1308 j=`echo $i | sed -e s/build-//g`
1309 if test -f ${srcdir}/$j/configure ; then
1310 build_configdirs="${build_configdirs} $i"
1311 fi
1312 done
1314 configdirs_all="$configdirs"
1315 configdirs=
1316 for i in ${configdirs_all} ; do
1317 if test -f ${srcdir}/$i/configure ; then
1318 configdirs="${configdirs} $i"
1319 fi
1320 done
1322 target_configdirs_all="$target_configdirs"
1323 target_configdirs=
1324 for i in ${target_configdirs_all} ; do
1325 j=`echo $i | sed -e s/target-//g`
1326 if test -f ${srcdir}/$j/configure ; then
1327 target_configdirs="${target_configdirs} $i"
1328 fi
1329 done
1331 # Produce a warning message for the subdirs we can't configure.
1332 # This isn't especially interesting in the Cygnus tree, but in the individual
1333 # FSF releases, it's important to let people know when their machine isn't
1334 # supported by the one or two programs in a package.
1336 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1337 # If $appdirs is non-empty, at least one of those directories must still
1338 # be configured, or we error out. (E.g., if the gas release supports a
1339 # specified target in some subdirs but not the gas subdir, we shouldn't
1340 # pretend that all is well.)
1341 if test -n "$appdirs" ; then
1342 for dir in $appdirs ; do
1343 if test -r $dir/Makefile.in ; then
1344 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1345 appdirs=""
1346 break
1347 fi
1348 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1349 appdirs=""
1350 break
1351 fi
1352 fi
1353 done
1354 if test -n "$appdirs" ; then
1355 echo "*** This configuration is not supported by this package." 1>&2
1356 exit 1
1357 fi
1358 fi
1359 # Okay, some application will build, or we don't care to check. Still
1360 # notify of subdirs not getting built.
1361 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1362 echo " ${notsupp}" 1>&2
1363 echo " (Any other directories should still work fine.)" 1>&2
1364 fi
1366 case "$host" in
1367 *msdosdjgpp*)
1368 enable_gdbtk=no ;;
1369 esac
1371 copy_dirs=
1373 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1374 # the named directory are copied to $(tooldir)/sys-include.
1375 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1376 if test x${is_cross_compiler} = xno ; then
1377 echo 1>&2 '***' --with-headers is only supported when cross compiling
1378 exit 1
1379 fi
1380 if test x"${with_headers}" != xyes ; then
1381 case "${exec_prefixoption}" in
1382 "") x=${prefix} ;;
1383 *) x=${exec_prefix} ;;
1384 esac
1385 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1386 fi
1387 fi
1389 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1390 # the name directories are copied to $(tooldir)/lib. Multiple directories
1391 # are permitted.
1392 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1393 if test x${is_cross_compiler} = xno ; then
1394 echo 1>&2 '***' --with-libs is only supported when cross compiling
1395 exit 1
1396 fi
1397 if test x"${with_libs}" != xyes ; then
1398 # Copy the libraries in reverse order, so that files in the first named
1399 # library override files in subsequent libraries.
1400 case "${exec_prefixoption}" in
1401 "") x=${prefix} ;;
1402 *) x=${exec_prefix} ;;
1403 esac
1404 for l in ${with_libs}; do
1405 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1406 done
1407 fi
1408 fi
1410 # Handle ${copy_dirs}
1411 set fnord ${copy_dirs}
1412 shift
1413 while test $# != 0 ; do
1414 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1415 :
1416 else
1417 echo Copying $1 to $2
1419 # Use the install script to create the directory and all required
1420 # parent directories.
1421 if test -d $2 ; then
1422 :
1423 else
1424 echo >config.temp
1425 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1426 fi
1428 # Copy the directory, assuming we have tar.
1429 # FIXME: Should we use B in the second tar? Not all systems support it.
1430 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1432 # It is the responsibility of the user to correctly adjust all
1433 # symlinks. If somebody can figure out how to handle them correctly
1434 # here, feel free to add the code.
1436 echo $1 > $2/COPIED
1437 fi
1438 shift; shift
1439 done
1441 extra_arflags_for_target=
1442 extra_nmflags_for_target=
1443 extra_ranlibflags_for_target=
1444 target_makefile_frag=/dev/null
1445 case "${target}" in
1446 *-*-netware*)
1447 target_makefile_frag="config/mt-netware"
1448 ;;
1449 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1450 target_makefile_frag="config/mt-gnu"
1451 ;;
1452 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1453 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1454 # commands to handle both 32-bit and 64-bit objects. These flags are
1455 # harmless if we're using GNU nm or ar.
1456 extra_arflags_for_target=" -X32_64"
1457 extra_nmflags_for_target=" -B -X32_64"
1458 ;;
1459 *-*-darwin*)
1460 # ranlib from Darwin requires the -c flag to look at common symbols.
1461 extra_ranlibflags_for_target=" -c"
1462 ;;
1463 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1464 target_makefile_frag="config/mt-wince"
1465 ;;
1466 esac
1468 alphaieee_frag=/dev/null
1469 case $target in
1470 alpha*-*-*)
1471 # This just makes sure to use the -mieee option to build target libs.
1472 # This should probably be set individually by each library.
1473 alphaieee_frag="config/mt-alphaieee"
1474 ;;
1475 esac
1477 # If --enable-target-optspace always use -Os instead of -O2 to build
1478 # the target libraries, similarly if it is not specified, use -Os
1479 # on selected platforms.
1480 ospace_frag=/dev/null
1481 case "${enable_target_optspace}:${target}" in
1482 yes:*)
1483 ospace_frag="config/mt-ospace"
1484 ;;
1485 :d30v-*)
1486 ospace_frag="config/mt-d30v"
1487 ;;
1488 :m32r-* | :d10v-* | :fr30-*)
1489 ospace_frag="config/mt-ospace"
1490 ;;
1491 no:* | :*)
1492 ;;
1493 *)
1494 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1495 ;;
1496 esac
1498 # Set with_gnu_as and with_gnu_ld as appropriate.
1499 #
1500 # This is done by determining whether or not the appropriate directory
1501 # is available, and by checking whether or not specific configurations
1502 # have requested that this magic not happen.
1503 #
1504 # The command line options always override the explicit settings in
1505 # configure.in, and the settings in configure.in override this magic.
1506 #
1507 # If the default for a toolchain is to use GNU as and ld, and you don't
1508 # want to do that, then you should use the --without-gnu-as and
1509 # --without-gnu-ld options for the configure script.
1511 if test x${use_gnu_as} = x &&
1512 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1513 with_gnu_as=yes
1514 extra_host_args="$extra_host_args --with-gnu-as"
1515 fi
1517 if test x${use_gnu_ld} = x &&
1518 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1519 with_gnu_ld=yes
1520 extra_host_args="$extra_host_args --with-gnu-ld"
1521 fi
1523 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1524 # can detect this case.
1526 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1527 with_newlib=yes
1528 extra_host_args="$extra_host_args --with-newlib"
1529 fi
1531 # Default to using --with-stabs for certain targets.
1532 if test x${with_stabs} = x ; then
1533 case "${target}" in
1534 mips*-*-irix[[56]]*)
1535 ;;
1536 mips*-*-* | alpha*-*-osf*)
1537 with_stabs=yes;
1538 extra_host_args="${extra_host_args} --with-stabs"
1539 ;;
1540 esac
1541 fi
1543 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1544 # them automatically.
1545 case "${host}" in
1546 hppa*64*-*-hpux11*)
1547 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1548 ;;
1549 esac
1551 # Some systems (e.g., one of the i386-aix systems the gas testers are
1552 # using) don't handle "\$" correctly, so don't use it here.
1553 tooldir='${exec_prefix}'/${target_alias}
1554 build_tooldir=${tooldir}
1556 # Generate default definitions for YACC, M4, LEX and other programs that run
1557 # on the build machine. These are used if the Makefile can't locate these
1558 # programs in objdir.
1559 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1560 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1561 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1562 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1563 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1564 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1565 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1567 # Create a .gdbinit file which runs the one in srcdir
1568 # and tells GDB to look there for source files.
1570 if test -r ${srcdir}/.gdbinit ; then
1571 case ${srcdir} in
1572 .) ;;
1573 *) cat > ./.gdbinit <<EOF
1574 # ${NO_EDIT}
1575 dir ${srcdir}
1576 dir .
1577 source ${srcdir}/.gdbinit
1578 EOF
1579 ;;
1580 esac
1581 fi
1583 # Make sure that the compiler is able to generate an executable. If it
1584 # can't, we are probably in trouble. We don't care whether we can run the
1585 # executable--we might be using a cross compiler--we only care whether it
1586 # can be created. At this point the main configure script has set CC.
1587 we_are_ok=no
1588 echo "int main () { return 0; }" > conftest.c
1589 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1590 if test $? = 0 ; then
1591 if test -s conftest || test -s conftest.exe ; then
1592 we_are_ok=yes
1593 fi
1594 fi
1595 case $we_are_ok in
1596 no)
1597 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1598 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1599 rm -f conftest*
1600 exit 1
1601 ;;
1602 esac
1603 rm -f conftest*
1605 # The Solaris /usr/ucb/cc compiler does not appear to work.
1606 case "${host}" in
1607 sparc-sun-solaris2*)
1608 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1609 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1610 could_use=
1611 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1612 if test -d /opt/cygnus/bin ; then
1613 if test "$could_use" = "" ; then
1614 could_use="/opt/cygnus/bin"
1615 else
1616 could_use="$could_use or /opt/cygnus/bin"
1617 fi
1618 fi
1619 if test "$could_use" = "" ; then
1620 echo "Warning: compilation may fail because you're using"
1621 echo "/usr/ucb/cc. You should change your PATH or CC "
1622 echo "variable and rerun configure."
1623 else
1624 echo "Warning: compilation may fail because you're using"
1625 echo "/usr/ucb/cc, when you should use the C compiler from"
1626 echo "$could_use. You should change your"
1627 echo "PATH or CC variable and rerun configure."
1628 fi
1629 fi
1630 ;;
1631 esac
1633 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1634 # binutils tools will find libbfd.so.
1635 case "${enable_shared}" in
1636 no | "") SET_LIB_PATH= ;;
1637 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1638 esac
1640 case "${host}" in
1641 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1642 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1643 esac
1645 # Record target_configdirs and the configure arguments for target and
1646 # build configuration in Makefile.
1647 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1648 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1650 # Determine whether gdb needs tk/tcl or not.
1651 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1652 # and in that case we want gdb to be built without tk. Ugh!
1653 # In fact I believe gdb is the *only* package directly dependent on tk,
1654 # so we should be able to put the 'maybe's in unconditionally and
1655 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1656 # 100% sure that that's safe though.
1658 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1659 case "$enable_gdbtk" in
1660 no)
1661 GDB_TK="" ;;
1662 yes)
1663 GDB_TK="${gdb_tk}" ;;
1664 *)
1665 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1666 # distro. Eventually someone will fix this and move Insight, nee
1667 # gdbtk to a separate directory.
1668 if test -d ${srcdir}/gdb/gdbtk ; then
1669 GDB_TK="${gdb_tk}"
1670 else
1671 GDB_TK=""
1672 fi
1673 ;;
1674 esac
1676 # Strip out unwanted targets.
1678 # While at that, we remove Makefiles if we were started for recursive
1679 # configuration, so that the top-level Makefile reconfigures them,
1680 # like we used to do when configure itself was recursive.
1682 # Loop over modules. $extrasub must be used with care, limiting as
1683 # much as possible the usage of range addresses. That's because autoconf
1684 # splits the sed script to overcome limits in the number of commands,
1685 # and relying on carefully-timed sed passes may turn out to be very hard
1686 # to maintain later. In this particular case, you just have to be careful
1687 # not to nest @if/@endif pairs, because configure will not warn you at all.
1689 AC_ARG_ENABLE([bootstrap],
1690 [ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1691 enable_bootstrap=default)
1693 # Issue errors and warnings for invalid/strange bootstrap combinations.
1694 case "$configdirs" in
1695 *gcc*) have_compiler=yes ;;
1696 *) have_compiler=no ;;
1697 esac
1699 case "$have_compiler:$host:$target:$enable_bootstrap" in
1700 *:*:*:no) ;;
1702 # Default behavior. (We'll) enable bootstrap if we have a compiler
1703 # and we are in a native configuration.
1704 yes:$build:$build:default)
1705 # This will become 'yes'
1706 enable_bootstrap=no ;;
1708 *:*:*:default)
1709 enable_bootstrap=no ;;
1711 # We have a compiler and we are in a native configuration, bootstrap is ok
1712 yes:$build:$build:yes | yes:$build:$build:lean)
1713 ;;
1715 # Other configurations, but we have a compiler. Assume the user knows
1716 # what he's doing.
1717 yes:*:*:yes | yes:*:*:lean)
1718 AC_MSG_WARN([trying to bootstrap a cross compiler])
1719 ;;
1721 # No compiler: if they passed --enable-bootstrap explicitly, fail
1722 no:*:*:yes | no:*:*:lean)
1723 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1725 # Fail if wrong command line
1726 *)
1727 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1728 ;;
1729 esac
1731 # Adjust the toplevel makefile according to whether bootstrap was selected.
1732 case "$enable_bootstrap" in
1733 yes)
1734 bootstrap_lean='#'
1735 default_target=bootstrap
1736 bootstrap_suffix=bootstrap ;;
1737 lean)
1738 bootstrap_lean=''
1739 default_target=bootstrap
1740 bootstrap_suffix=bootstrap ;;
1741 no)
1742 default_target=all
1743 bootstrap_suffix=no-bootstrap ;;
1744 esac
1745 AC_SUBST(bootstrap_lean)
1746 AC_SUBST(default_target)
1748 for module in ${build_configdirs} ; do
1749 if test -z "${no_recursion}" \
1750 && test -f ${build_subdir}/${module}/Makefile; then
1751 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1752 rm -f ${build_subdir}/${module}/Makefile
1753 fi
1754 extrasub="$extrasub
1755 /^@if build-$module\$/d
1756 /^@endif build-$module\$/d
1757 /^@if build-$module-$bootstrap_suffix\$/d
1758 /^@endif build-$module-$bootstrap_suffix\$/d"
1759 done
1760 for module in ${configdirs} ; do
1761 if test -z "${no_recursion}" \
1762 && test -f ${module}/Makefile; then
1763 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1764 rm -f ${module}/Makefile
1765 fi
1766 extrasub="$extrasub
1767 /^@if $module\$/d
1768 /^@endif $module\$/d
1769 /^@if $module-$bootstrap_suffix\$/d
1770 /^@endif $module-$bootstrap_suffix\$/d"
1771 done
1772 for module in ${target_configdirs} ; do
1773 if test -z "${no_recursion}" \
1774 && test -f ${target_subdir}/${module}/Makefile; then
1775 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1776 rm -f ${target_subdir}/${module}/Makefile
1777 fi
1778 extrasub="$extrasub
1779 /^@if target-$module\$/d
1780 /^@endif target-$module\$/d
1781 /^@if target-$module-$bootstrap_suffix\$/d
1782 /^@endif target-$module-$bootstrap_suffix\$/d"
1783 done
1785 extrasub="$extrasub
1786 /^@if /,/^@endif /d"
1788 # Create the serialization dependencies. This uses a temporary file.
1790 AC_ARG_ENABLE([serial-configure],
1791 [ --enable-serial-[{host,target,build}-]configure
1792 Force sequential configuration of
1793 sub-packages for the host, target or build
1794 machine, or all sub-packages])
1796 case ${enable_serial_configure} in
1797 yes)
1798 enable_serial_build_configure=yes
1799 enable_serial_host_configure=yes
1800 enable_serial_target_configure=yes
1801 ;;
1802 esac
1804 # These force 'configure's to be done one at a time, to avoid problems
1805 # with contention over a shared config.cache.
1806 rm -f serdep.tmp
1807 echo '# serdep.tmp' > serdep.tmp
1808 olditem=
1809 test "x${enable_serial_build_configure}" = xyes &&
1810 for item in ${build_configdirs} ; do
1811 case ${olditem} in
1812 "") ;;
1813 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1814 esac
1815 olditem=${item}
1816 done
1817 olditem=
1818 test "x${enable_serial_host_configure}" = xyes &&
1819 for item in ${configdirs} ; do
1820 case ${olditem} in
1821 "") ;;
1822 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1823 esac
1824 olditem=${item}
1825 done
1826 olditem=
1827 test "x${enable_serial_target_configure}" = xyes &&
1828 for item in ${target_configdirs} ; do
1829 case ${olditem} in
1830 "") ;;
1831 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1832 esac
1833 olditem=${item}
1834 done
1835 serialization_dependencies=serdep.tmp
1836 AC_SUBST_FILE(serialization_dependencies)
1838 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1839 # target and nonopt. These are the ones we might not want to pass
1840 # down to subconfigures. Also strip program-prefix, program-suffix,
1841 # and program-transform-name, so that we can pass down a consistent
1842 # program-transform-name. If autoconf has put single quotes around
1843 # any of these arguments (because they contain shell metacharacters)
1844 # then this will fail; in practice this only happens for
1845 # --program-transform-name, so be sure to override --program-transform-name
1846 # at the end of the argument list.
1847 # These will be expanded by make, so quote '$'.
1848 cat <<\EOF_SED > conftestsed
1849 s/ --no[[^ ]]*/ /g
1850 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1851 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1852 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1853 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1854 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1855 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1856 s/ -cache-file[[= ]][[^ ]]*//g
1857 s/ -srcdir[[= ]][[^ ]]*//g
1858 s/ -host[[= ]][[^ ]]*//g
1859 s/ -build[[= ]][[^ ]]*//g
1860 s/ -target[[= ]][[^ ]]*//g
1861 s/ -program-prefix[[= ]][[^ ]]*//g
1862 s/ -program-suffix[[= ]][[^ ]]*//g
1863 s/ -program-transform-name[[= ]][[^ ]]*//g
1864 s/ [[^' -][^ ]*] / /
1865 s/^ *//;s/ *$//
1866 s,\$,$$,g
1867 EOF_SED
1868 sed -f conftestsed <<EOF_SED > conftestsed.out
1869 ${ac_configure_args}
1870 EOF_SED
1871 baseargs=`cat conftestsed.out`
1872 rm -f conftestsed conftestsed.out
1874 # Add in --program-transform-name, after --program-prefix and
1875 # --program-suffix have been applied to it. Autoconf has already
1876 # doubled dollar signs and backslashes in program_transform_name; we want
1877 # the backslashes un-doubled, and then the entire thing wrapped in single
1878 # quotes, because this will be expanded first by make and then by the shell.
1879 # Also, because we want to override the logic in subdir configure scripts to
1880 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1881 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1882 ${program_transform_name}
1883 EOF_SED
1884 gcc_transform_name=`cat conftestsed.out`
1885 rm -f conftestsed.out
1886 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1888 # For the build-side libraries, we just need to pretend we're native,
1889 # and not use the same cache file. Multilibs are neither needed nor
1890 # desired.
1891 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1893 # For host modules, accept cache file option, or specification as blank.
1894 case "${cache_file}" in
1895 "") # empty
1896 cache_file_option="" ;;
1897 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1898 cache_file_option="--cache-file=${cache_file}" ;;
1899 *) # relative path
1900 cache_file_option="--cache-file=../${cache_file}" ;;
1901 esac
1903 # Host dirs don't like to share a cache file either, horribly enough.
1904 # This seems to be due to autoconf 2.5x stupidity.
1905 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1907 target_configargs=${baseargs}
1909 # Passing a --with-cross-host argument lets the target libraries know
1910 # whether they are being built with a cross-compiler or being built
1911 # native. However, it would be better to use other mechanisms to make the
1912 # sorts of decisions they want to make on this basis. Please consider
1913 # this option to be deprecated. FIXME.
1914 if test x${is_cross_compiler} = xyes ; then
1915 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1916 fi
1918 # Default to --enable-multilib.
1919 if test x${enable_multilib} = x ; then
1920 target_configargs="--enable-multilib ${target_configargs}"
1921 fi
1923 # Pass --with-newlib if appropriate. Note that target_configdirs has
1924 # changed from the earlier setting of with_newlib.
1925 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1926 target_configargs="--with-newlib ${target_configargs}"
1927 fi
1929 # Different target subdirs use different values of certain variables
1930 # (notably CXX). Worse, multilibs use *lots* of different values.
1931 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1932 # it doesn't automatically accept command-line overrides of them.
1933 # This means it's not safe for target subdirs to share a cache file,
1934 # which is disgusting, but there you have it. Hopefully this can be
1935 # fixed in future. It's still worthwhile to use a cache file for each
1936 # directory. I think.
1938 # Pass the appropriate --host, --build, and --cache-file arguments.
1939 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1941 # provide a proper gxx_include_dir.
1942 # Note, if you change the default, make sure to fix both here and in
1943 # the gcc and libstdc++-v3 subdirectories.
1944 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1945 case "${with_gxx_include_dir}" in
1946 yes)
1947 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1948 ;;
1949 no | "")
1950 case "${enable_version_specific_runtime_libs}" in
1951 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1952 *)
1953 . ${srcdir}/config.if
1954 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1955 esac ;;
1956 *) gxx_include_dir=${with_gxx_include_dir} ;;
1957 esac
1959 FLAGS_FOR_TARGET=
1960 case " $target_configdirs " in
1961 *" newlib "*)
1962 case " $target_configargs " in
1963 *" --with-newlib "*)
1964 case "$target" in
1965 *-cygwin*)
1966 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 $$s/winsup/w32api/include' ;;
1967 esac
1969 # If we're not building GCC, don't discard standard headers.
1970 if test -d ${srcdir}/gcc; then
1971 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1973 if test "${build}" != "${host}"; then
1974 # On Canadian crosses, CC_FOR_TARGET will have already been set
1975 # by `configure', so we won't have an opportunity to add -Bgcc/
1976 # to it. This is right: we don't want to search that directory
1977 # for binaries, but we want the header files in there, so add
1978 # them explicitly.
1979 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1981 # Someone might think of using the pre-installed headers on
1982 # Canadian crosses, in case the installed compiler is not fully
1983 # compatible with the compiler being built. In this case, it
1984 # would be better to flag an error than risking having
1985 # incompatible object files being constructed. We can't
1986 # guarantee that an error will be flagged, but let's hope the
1987 # compiler will do it, when presented with incompatible header
1988 # files.
1989 fi
1990 fi
1992 case "${target}-${is_cross_compiler}" in
1993 i[[3456789]]86-*-linux*-no)
1994 # Here host == target, so we don't need to build gcc,
1995 # so we don't want to discard standard headers.
1996 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1997 ;;
1998 *)
1999 # If we're building newlib, use its generic headers last, but search
2000 # for any libc-related directories first (so make it the last -B
2001 # switch).
2002 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2003 ;;
2004 esac
2005 ;;
2006 esac
2007 ;;
2008 esac
2010 # Allow the user to override the flags for
2011 # our build compiler if desired.
2012 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2014 # On Canadian crosses, we'll be searching the right directories for
2015 # the previously-installed cross compiler, so don't bother to add
2016 # flags for directories within the install tree of the compiler
2017 # being built; programs in there won't even run.
2018 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2019 # Search for pre-installed headers if nothing else fits.
2020 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2021 fi
2023 if test "x${use_gnu_ld}" = x &&
2024 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2025 # Arrange for us to find uninstalled linker scripts.
2026 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2027 fi
2029 if test "x${CC_FOR_TARGET+set}" = xset; then
2030 :
2031 elif test -d ${srcdir}/gcc; then
2032 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2033 elif test "$host" = "$target"; then
2034 CC_FOR_TARGET='$(CC)'
2035 else
2036 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2037 fi
2038 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2040 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2041 :
2042 elif test -d ${srcdir}/gcc; then
2043 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2044 elif test "$host" = "$target"; then
2045 GCJ_FOR_TARGET='gcj'
2046 else
2047 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2048 fi
2049 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2051 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2052 :
2053 elif test -d ${srcdir}/gcc; then
2054 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2055 elif test "$host" = "$target"; then
2056 GFORTRAN_FOR_TARGET='gfortran'
2057 else
2058 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2059 fi
2060 case $GFORTRAN_FOR_TARGET in
2061 *' $(FLAGS_FOR_TARGET)') ;;
2062 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2063 esac
2065 # Don't use libstdc++-v3's flags to configure/build itself.
2066 libstdcxx_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'
2067 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2069 if test "x${CXX_FOR_TARGET+set}" = xset; then
2070 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2071 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2072 fi
2073 elif test -d ${srcdir}/gcc; then
2074 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2075 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2076 # default whereas gcc does not.
2077 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2078 # all other cases.
2079 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2080 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2081 elif test "$host" = "$target"; then
2082 CXX_FOR_TARGET='$(CXX)'
2083 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2084 else
2085 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2086 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2087 fi
2088 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2089 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2091 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2092 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2094 # We want to defer the evaluation of `cmd`s and shell variables in
2095 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2096 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2097 # quotes, but we still have to duplicate `$'s so that shell variables
2098 # can be expanded by the nested make as shell variables, not as make
2099 # macros.
2100 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2101 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2103 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2104 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2105 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2106 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2107 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2108 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2109 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2110 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2112 # Makefile fragments.
2113 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2114 do
2115 eval fragval=\$$frag
2116 if test $fragval != /dev/null; then
2117 eval $frag=${srcdir}/$fragval
2118 fi
2119 done
2120 AC_SUBST_FILE(host_makefile_frag)
2121 AC_SUBST_FILE(target_makefile_frag)
2122 AC_SUBST_FILE(alphaieee_frag)
2123 AC_SUBST_FILE(ospace_frag)
2125 # Miscellanea: directories, flags, etc.
2126 AC_SUBST(SET_LIB_PATH)
2127 AC_SUBST(RPATH_ENVVAR)
2128 AC_SUBST(BUILD_PREFIX)
2129 AC_SUBST(BUILD_PREFIX_1)
2130 AC_SUBST(gcc_version_trigger)
2131 AC_SUBST(gcc_version)
2132 AC_SUBST(tooldir)
2133 AC_SUBST(build_tooldir)
2134 AC_SUBST(GDB_TK)
2135 AC_SUBST(gxx_include_dir)
2136 AC_SUBST(libstdcxx_incdir)
2138 # Build module lists & subconfigure args.
2139 AC_SUBST(build_configargs)
2140 AC_SUBST(build_configdirs)
2142 # Host module lists & subconfigure args.
2143 AC_SUBST(host_configargs)
2144 AC_SUBST(configdirs)
2146 # Target module lists & subconfigure args.
2147 AC_SUBST(target_configargs)
2148 AC_SUBST(target_configdirs)
2150 # Build tools.
2151 AC_SUBST(CC_FOR_BUILD)
2152 AC_SUBST(config_shell)
2154 # Host tools.
2155 NCN_STRICT_CHECK_TOOL(AR, ar)
2156 NCN_STRICT_CHECK_TOOL(AS, as)
2157 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2158 NCN_STRICT_CHECK_TOOL(LD, ld)
2159 NCN_STRICT_CHECK_TOOL(NM, nm)
2160 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2161 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2162 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2163 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2164 AC_SUBST(CC)
2165 AC_SUBST(CXX)
2166 AC_SUBST(CFLAGS)
2167 AC_SUBST(CFLAGS_FOR_BUILD)
2168 AC_SUBST(CXXFLAGS)
2170 # Target tools.
2171 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2172 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2173 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2174 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2175 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2176 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2177 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2179 AC_SUBST(GCC_FOR_TARGET)
2180 AC_SUBST(FLAGS_FOR_TARGET)
2181 AC_SUBST(CC_FOR_TARGET)
2182 AC_SUBST(GCJ_FOR_TARGET)
2183 AC_SUBST(GFORTRAN_FOR_TARGET)
2184 AC_SUBST(CXX_FOR_TARGET)
2185 AC_SUBST(RAW_CXX_FOR_TARGET)
2186 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2187 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2189 # Fix up target tools.
2190 if test "x${build}" = "x${host}" ; then
2191 # In this case, the newly built tools can and should be used,
2192 # so we override the results of the autoconf tests.
2193 # This should really only happen when the tools are actually being built,
2194 # but that's a further refinement. The new build scheme, where
2195 # tools are built into a structure paralleling where they're installed,
2196 # should also eliminate all of this cleanly.
2197 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2198 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2199 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2200 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2201 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2202 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2203 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2204 else
2205 # Just use the ones we found.
2206 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2207 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2208 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2209 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2210 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2211 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2212 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2213 fi
2214 AC_SUBST(AR_FOR_TARGET)
2215 AC_SUBST(AS_FOR_TARGET)
2216 AC_SUBST(DLLTOOL_FOR_TARGET)
2217 AC_SUBST(LD_FOR_TARGET)
2218 AC_SUBST(NM_FOR_TARGET)
2219 AC_SUBST(RANLIB_FOR_TARGET)
2220 AC_SUBST(WINDRES_FOR_TARGET)
2222 # Certain tools may need extra flags.
2223 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2224 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2225 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2227 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2228 AC_ARG_ENABLE(maintainer-mode,
2229 [ --enable-maintainer-mode enable make rules and dependencies not useful
2230 (and sometimes confusing) to the casual installer],
2231 USE_MAINTAINER_MODE=$enableval,
2232 USE_MAINTAINER_MODE=no)
2233 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2234 AC_SUBST(MAINTAINER_MODE_TRUE)
2235 AC_SUBST(MAINTAINER_MODE_FALSE)
2236 if test "$USE_MAINTAINER_MODE" = yes; then
2237 MAINTAINER_MODE_TRUE=
2238 MAINTAINER_MODE_FALSE='#'
2239 else
2240 MAINTAINER_MODE_TRUE='#'
2241 MAINTAINER_MODE_FALSE=
2242 fi
2243 MAINT=$MAINTAINER_MODE_TRUE
2244 AC_SUBST(MAINT)dnl
2246 # ---------------------
2247 # GCC bootstrap support
2248 # ---------------------
2250 # Stage specific cflags for build.
2251 stage1_cflags="-g"
2252 case $build in
2253 vax-*-*)
2254 case ${GCC} in
2255 yes) stage1_cflags="-g -Wa,-J" ;;
2256 *) stage1_cflags="-g -J" ;;
2257 esac ;;
2258 powerpc-*-darwin*)
2259 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2260 # sources; use -no-cpp-precomp to get to GNU cpp.
2261 # Apple's GCC has bugs in designated initializer handling, so disable
2262 # that too.
2263 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2264 ;;
2265 esac
2266 AC_SUBST(stage1_cflags)
2268 # It makes debugging easier if we create as symlinks the stage directories
2269 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
2270 # possible, however, we can resort to mv.
2271 AC_CACHE_CHECK([if symbolic links between directories work],
2272 [gcc_cv_prog_ln_s_dir],
2273 [if test "${LN_S}" = "ln -s" \
2274 && mkdir confdir.s1 \
2275 && ln -s confdir.s1 confdir.s2 \
2276 && echo timestamp1 > confdir.s1/conftest.1 \
2277 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2278 && echo timestamp2 > confdir.s2/conftest.2 \
2279 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2280 && rm -f confdir.s2; then
2281 gcc_cv_prog_ln_s_dir=yes
2282 else
2283 gcc_cv_prog_ln_s_dir=yes
2284 fi
2285 rm -rf confdir.s1 confdir.s2])
2287 case ${gcc_cv_prog_ln_s_dir} in
2288 yes)
2289 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2290 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2291 *)
2292 CREATE_LINK_TO_DIR='mv $$1 $$2'
2293 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2294 esac
2295 AC_SUBST(CREATE_LINK_TO_DIR)
2296 AC_SUBST(UNDO_LINK_TO_DIR)
2298 # Enable -Werror in bootstrap stage2 and later.
2299 # Change the default to "no" on release branches.
2300 AC_ARG_ENABLE(werror,
2301 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2302 [enable_werror=yes])
2303 case ${enable_werror} in
2304 yes) stage2_werror_flag="--enable-werror-always" ;;
2305 *) stage2_werror_flag="" ;;
2306 esac
2307 AC_SUBST(stage2_werror_flag)
2309 # If gcc is built natively with shared library enabled, set
2310 # $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2311 # used.
2312 SET_GCC_LIB_PATH=
2313 if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
2314 case "${enable_shared}" in
2315 no | "") ;;
2316 *)
2317 eval "d=\$$RPATH_ENVVAR"
2318 if test x"$d" != x; then
2319 d="$pwd/gcc:$d"
2320 else
2321 d="$pwd/gcc"
2322 fi
2323 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2324 ;;
2325 esac
2326 fi
2327 AC_SUBST(SET_GCC_LIB_PATH)
2329 AC_OUTPUT(Makefile)