| blob | 3c17693513b1126f893be88d1cb5545f7269f9db |
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 # Set srcdir to "." if that's what it is.
84 # This is important for multilib support.
85 pwd=`${PWDCMD-pwd}`
86 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87 if test "${pwd}" = "${srcpwd}" ; then
88 srcdir=.
89 fi
91 topsrcdir=$srcpwd
93 extra_host_args=
94 # Define the trigger file to make sure configure will re-run whenever
95 # the gcc version number changes.
96 if test "${with_gcc_version_trigger+set}" = set ; then
97 gcc_version_trigger="$with_gcc_version_trigger"
98 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
99 else
100 # If gcc's sources are available, define the trigger file.
101 if test -f ${topsrcdir}/gcc/version.c ; then
102 gcc_version_trigger=${topsrcdir}/gcc/version.c
103 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
104 case "$ac_configure_args" in
105 *--with-gcc-version-trigger=$gcc_version_trigger* )
106 ;;
107 * )
108 # Add to all subconfigure arguments: build, host, and target.
109 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
110 ;;
111 esac
112 fi
113 fi
115 ### To add a new directory to the tree, first choose whether it is a target
116 ### or a host dependent tool. Then put it into the appropriate list
117 ### (library or tools, host or target), doing a dependency sort.
119 # Subdirs will be configured in the order listed in build_configdirs,
120 # configdirs, or target_configdirs; see the serialization section below.
122 # Dependency sorting is only needed when *configuration* must be done in
123 # a particular order. In all cases a dependency should be specified in
124 # the Makefile, whether or not it's implicitly specified here.
126 # Double entries in build_configdirs, configdirs, or target_configdirs may
127 # cause circular dependencies and break everything horribly.
129 # these library is used by various programs built for the build
130 # environment
131 #
132 build_libs="build-libiberty"
134 # these tools are built for the build environment
135 build_tools="build-texinfo build-byacc build-flex build-bison build-m4"
137 # these libraries are used by various programs built for the host environment
138 #
139 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
141 # these tools are built for the host environment
142 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143 # know that we are building the simulator.
144 # binutils, gas and ld appear in that order because it makes sense to run
145 # "make check" in that particular order.
146 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
148 # libgcj represents the runtime libraries only used by gcj.
149 libgcj="target-libffi \
150 target-boehm-gc \
151 target-zlib \
152 target-qthreads \
153 target-libjava"
155 # these libraries are built for the target environment, and are built after
156 # the host libraries and the host tools (which may be a cross compiler)
157 #
158 target_libraries="target-libiberty \
159 target-libgloss \
160 target-newlib \
161 target-libstdc++-v3 \
162 target-libmudflap \
163 target-libgfortran \
164 ${libgcj} \
165 target-libobjc \
166 target-libada"
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
170 #
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list. those programs are also very likely
173 # candidates for the "native_only" list which follows
174 #
175 target_tools="target-examples target-groff target-gperf target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 # Only make build modules if build != host.
188 if test ${host_alias} != ${build_alias} ; then
189 build_configdirs=`echo ${build_libs} ${build_tools}`
190 fi
192 ################################################################################
194 srcname="gnu development package"
196 # This gets set non-empty for some net releases of packages.
197 appdirs=""
199 # Define is_cross_compiler to save on calls to 'test'.
200 is_cross_compiler=
201 if test x"${host}" = x"${target}" ; then
202 is_cross_compiler=no
203 else
204 is_cross_compiler=yes
205 fi
207 # Find the build and target subdir names.
208 GCC_TOPLEV_SUBDIRS
210 # Skipdirs are removed silently.
211 skipdirs=
212 # Noconfigdirs are removed loudly.
213 noconfigdirs=""
215 use_gnu_ld=
216 # Make sure we don't let GNU ld be added if we didn't want it.
217 if test x$with_gnu_ld = xno ; then
218 use_gnu_ld=no
219 noconfigdirs="$noconfigdirs ld"
220 fi
222 use_gnu_as=
223 # Make sure we don't let GNU as be added if we didn't want it.
224 if test x$with_gnu_as = xno ; then
225 use_gnu_as=no
226 noconfigdirs="$noconfigdirs gas"
227 fi
229 # some tools are so dependent upon X11 that if we're not building with X,
230 # it's not even worth trying to configure, much less build, that tool.
232 case ${with_x} in
233 yes | "") ;; # the default value for this tree is that X11 is available
234 no)
235 skipdirs="${skipdirs} tk tix itcl libgui"
236 # We won't be able to build gdbtk without X.
237 enable_gdbtk=no
238 ;;
239 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
240 esac
242 # Some tools are only suitable for building in a "native" situation.
243 # Remove these if host!=target.
244 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"
246 # Similarly, some are only suitable for cross toolchains.
247 # Remove these if host=target.
248 cross_only="target-libgloss target-newlib target-opcodes"
250 case $is_cross_compiler in
251 no) skipdirs="${skipdirs} ${cross_only}" ;;
252 yes) skipdirs="${skipdirs} ${native_only}" ;;
253 esac
255 # If both --with-headers and --with-libs are specified, default to
256 # --without-newlib.
257 if test x"${with_headers}" != x && test x"${with_headers} != xno \
258 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
259 if test x"${with_newlib}" = x ; then
260 with_newlib=no
261 fi
262 fi
264 # Recognize --with-newlib/--without-newlib.
265 case ${with_newlib} in
266 no) skipdirs="${skipdirs} target-newlib" ;;
267 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
268 esac
270 # Configure extra directories which are host specific
272 case "${host}" in
273 *-cygwin*)
274 configdirs="$configdirs libtermcap" ;;
275 esac
277 # Remove more programs from consideration, based on the host or
278 # target this usually means that a port of the program doesn't
279 # exist yet.
281 case "${host}" in
282 hppa*64*-*-*)
283 noconfigdirs="$noconfigdirs byacc"
284 ;;
285 i[[3456789]]86-*-vsta)
286 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
287 ;;
288 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
289 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
290 ;;
291 i[[3456789]]86-*-mingw32*)
292 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
293 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
294 ;;
295 i[[3456789]]86-*-beos*)
296 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
297 ;;
298 *-*-cygwin*)
299 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
300 ;;
301 *-*-netbsd*)
302 noconfigdirs="$noconfigdirs rcs"
303 ;;
304 ppc*-*-pe)
305 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
306 ;;
307 powerpc-*-beos*)
308 noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
309 ;;
310 *-*-darwin*)
311 noconfigdirs="$noconfigdirs tk itcl tix libgui"
312 ;;
313 esac
315 AC_ARG_WITH(libbanshee,
316 [ --without-libbanshee Don't build with libbanshee])
317 case ${with_libbanshee} in
318 no)
319 noconfigdirs="$noconfigdirs libbanshee" ;;
320 yes|"")
321 with_libbanshee=yes
322 ;;
323 *)
324 AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
325 esac
327 AC_ARG_ENABLE(libada,
328 [ --enable-libada Builds libada directory],
329 ENABLE_LIBADA=$enableval,
330 ENABLE_LIBADA=yes)
331 if test "${ENABLE_LIBADA}" != "yes" ; then
332 noconfigdirs="$noconfigdirs target-libada"
333 fi
335 # Save it here so that, even in case of --enable-libgcj, if the Java
336 # front-end isn't enabled, we still get libgcj disabled.
337 libgcj_saved=$libgcj
338 case $enable_libgcj in
339 yes)
340 # If we reset it here, it won't get added to noconfigdirs in the
341 # target-specific build rules, so it will be forcibly enabled
342 # (unless the Java language itself isn't enabled).
343 libgcj=
344 ;;
345 no)
346 # Make sure we get it printed in the list of not supported target libs.
347 noconfigdirs="$noconfigdirs ${libgcj}"
348 ;;
349 esac
352 # Allow --disable-libmudflap to exclude target-libmudflap
353 case $enable_libmudflap in
354 yes)
355 ;;
356 no)
357 noconfigdirs="$noconfigdirs target-libmudflap"
358 ;;
359 "")
360 case "${target}" in
361 *-*-linux*)
362 # Enable libmudflap by default in GNU/Linux.
363 ;;
364 *-*-freebsd*)
365 # Enable libmudflap by default in FreeBSD.
366 ;;
367 *)
368 # Disable it by default everywhere else.
369 noconfigdirs="$noconfigdirs target-libmudflap"
370 ;;
371 esac
372 esac
375 case "${target}" in
376 *-*-chorusos)
377 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
378 ;;
379 powerpc-*-darwin*)
380 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
381 noconfigdirs="$noconfigdirs target-libobjc"
382 ;;
383 *-*-darwin*)
384 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
385 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
386 ;;
387 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
388 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
389 ;;
390 *-*-freebsd* | *-*-kfreebsd*-gnu)
391 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
392 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
393 && test -f /usr/local/include/gmp.h; then
394 with_gmp=/usr/local
395 fi
397 # Skip some stuff that's unsupported on some FreeBSD configurations.
398 case "${target}" in
399 i*86-*-*) ;;
400 alpha*-*-*) ;;
401 *)
402 noconfigdirs="$noconfigdirs ${libgcj}"
403 ;;
404 esac
405 ;;
406 *-*-kaos*)
407 # Remove unsupported stuff on all kaOS configurations.
408 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
409 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
410 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
411 noconfigdirs="$noconfigdirs target-libgloss"
412 ;;
413 *-*-netbsd*)
414 # Skip some stuff on all NetBSD configurations.
415 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
417 # Skip some stuff that's unsupported on some NetBSD configurations.
418 case "${target}" in
419 i*86-*-netbsdelf*) ;;
420 arm*-*-netbsdelf*) ;;
421 *)
422 noconfigdirs="$noconfigdirs ${libgcj}"
423 ;;
424 esac
425 ;;
426 *-*-netware)
427 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
428 ;;
429 *-*-rtems*)
430 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
431 ;;
432 *-*-uclinux*)
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
434 ;;
435 *-*-vxworks*)
436 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
437 ;;
438 alpha*-dec-osf*)
439 # ld works, but does not support shared libraries.
440 # newlib is not 64 bit ready. I'm not sure about fileutils.
441 # gas doesn't generate exception information.
442 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
443 ;;
444 alpha*-*-*vms*)
445 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
446 ;;
447 alpha*-*-linux*)
448 # newlib is not 64 bit ready
449 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
450 ;;
451 alpha*-*-*)
452 # newlib is not 64 bit ready
453 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
454 ;;
455 am33_2.0-*-linux*)
456 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
457 ;;
458 sh-*-linux*)
459 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
460 ;;
461 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
462 noconfigdirs="$noconfigdirs ${libgcj}"
463 noconfigdirs="$noconfigdirs target-examples"
464 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
465 noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
466 noconfigdirs="$noconfigdirs expect dejagnu"
467 # the C++ libraries don't build on top of CE's C libraries
468 noconfigdirs="$noconfigdirs target-libstdc++-v3"
469 noconfigdirs="$noconfigdirs target-newlib"
470 case "${host}" in
471 *-*-cygwin*) ;; # keep gdb and readline
472 *) noconfigdirs="$noconfigdirs gdb readline"
473 ;;
474 esac
475 ;;
476 arc-*-*)
477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
478 ;;
479 arm-*-coff | strongarm-*-coff | xscale-*-coff)
480 noconfigdirs="$noconfigdirs ${libgcj}"
481 ;;
482 arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
483 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
484 ;;
485 arm-*-pe*)
486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
487 ;;
488 arm-*-oabi*)
489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
490 ;;
491 thumb-*-coff)
492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
493 ;;
494 thumb-*-elf)
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
496 ;;
497 thumb-*-oabi)
498 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 ;;
500 thumb-*-pe)
501 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
502 ;;
503 arm-*-riscix*)
504 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
505 ;;
506 avr-*-*)
507 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
508 ;;
509 c4x-*-* | tic4x-*-*)
510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
511 ;;
512 c54x*-*-* | tic54x-*-*)
513 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
514 ;;
515 cris-*-*)
516 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
517 ;;
518 crx-*-*)
519 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
520 ;;
521 d10v-*-*)
522 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
523 ;;
524 d30v-*-*)
525 noconfigdirs="$noconfigdirs ${libgcj} gdb"
526 ;;
527 fr30-*-elf*)
528 noconfigdirs="$noconfigdirs ${libgcj} gdb"
529 ;;
530 frv-*-*)
531 noconfigdirs="$noconfigdirs ${libgcj}"
532 ;;
533 h8300*-*-*)
534 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
535 ;;
536 h8500-*-*)
537 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
538 ;;
539 hppa*64*-*-linux* | parisc*64*-*-linux*)
540 # In this case, it's because the hppa64-linux target is for
541 # the kernel only at this point and has no libc, and thus no
542 # headers, crt*.o, etc., all of which are needed by these.
543 noconfigdirs="$noconfigdirs target-zlib"
544 ;;
545 hppa*-*-*elf* | \
546 parisc*-*-linux* | hppa*-*-linux* | \
547 hppa*-*-lites* | \
548 hppa*-*-openbsd* | \
549 hppa*64*-*-*)
550 noconfigdirs="$noconfigdirs ${libgcj}"
551 # Do configure ld/binutils/gas for this case.
552 ;;
553 hppa*-*-*)
554 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
555 # build on HP-UX 10.20.
556 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
557 ;;
558 i960-*-*)
559 noconfigdirs="$noconfigdirs ${libgcj} gdb"
560 ;;
561 ia64*-*-elf*)
562 # No gdb support yet.
563 noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
564 ;;
565 ia64*-**-hpux*)
566 # No gdb or ld support yet.
567 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
568 ;;
569 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
570 noconfigdirs="$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 ${libgcj}";;
578 esac
580 # This section makes it possible to build newlib natively on linux.
581 # If we are using a cross compiler then don't configure newlib.
582 if test x${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 ${libgcj}"
595 # Can't build gdb for mingw32 if not native.
596 case "${host}" in
597 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
598 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
599 ;;
600 esac
601 ;;
602 *-*-cygwin*)
603 target_configdirs="$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"
607 then
608 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
609 else
610 echo "Warning: winsup is missing so newlib can't be built."
611 fi
613 # Can't build gdb for Cygwin if not native.
614 case "${host}" in
615 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
616 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
617 ;;
618 esac
619 ;;
620 i[[3456789]]86-*-pe)
621 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
622 ;;
623 i[[3456789]]86-*-sco3.2v5*)
624 # The linker does not yet know about weak symbols in COFF,
625 # and is not configured to handle mixed ELF and COFF.
626 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
627 ;;
628 i[[3456789]]86-*-sco*)
629 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
630 ;;
631 i[[3456789]]86-*-solaris2*)
632 noconfigdirs="$noconfigdirs target-libgloss"
633 ;;
634 i[[3456789]]86-*-sysv4*)
635 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
636 ;;
637 i[[3456789]]86-*-beos*)
638 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
639 ;;
640 m32r-*-*)
641 noconfigdirs="$noconfigdirs ${libgcj}"
642 ;;
643 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
644 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
645 ;;
646 m68k-*-elf*)
647 noconfigdirs="$noconfigdirs ${libgcj}"
648 ;;
649 m68k-*-coff*)
650 noconfigdirs="$noconfigdirs ${libgcj}"
651 ;;
652 mcore-*-pe*)
653 # The EPOC C++ environment does not support exceptions or rtti,
654 # and so building libstdc++-v3 tends not to always work.
655 noconfigdirs="$noconfigdirs target-libstdc++-v3"
656 ;;
657 mmix-*-*)
658 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
659 ;;
660 mn10200-*-*)
661 noconfigdirs="$noconfigdirs ${libgcj}"
662 ;;
663 mn10300-*-*)
664 noconfigdirs="$noconfigdirs ${libgcj}"
665 ;;
666 powerpc-*-aix*)
667 # copied from rs6000-*-* entry
668 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
669 ;;
670 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
671 target_configdirs="$target_configdirs target-winsup"
672 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
673 # always build newlib.
674 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
675 ;;
676 # This is temporary until we can link against shared libraries
677 powerpcle-*-solaris*)
678 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
679 ;;
680 powerpc-*-beos*)
681 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
682 ;;
683 powerpc-*-eabi)
684 noconfigdirs="$noconfigdirs ${libgcj}"
685 ;;
686 rs6000-*-lynxos*)
687 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
688 ;;
689 rs6000-*-aix*)
690 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
691 ;;
692 rs6000-*-*)
693 noconfigdirs="$noconfigdirs gprof ${libgcj}"
694 ;;
695 m68k-apollo-*)
696 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
697 ;;
698 mips*-*-irix5*)
699 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
700 ;;
701 mips*-*-irix6*)
702 # Linking libjava exceeds command-line length limits on at least
703 # IRIX 6.2, but not on IRIX 6.5.
704 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
705 # <oldham@codesourcery.com>
706 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
707 ;;
708 mips*-dec-bsd*)
709 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
710 ;;
711 mips*-*-bsd*)
712 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
713 ;;
714 mipstx39-*-*)
715 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
716 ;;
717 mips64*-*-linux*)
718 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
719 ;;
720 mips*-*-linux*)
721 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
722 ;;
723 mips*-*-*)
724 noconfigdirs="$noconfigdirs gprof ${libgcj}"
725 ;;
726 romp-*-*)
727 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
728 ;;
729 sh-*-*)
730 case "${host}" in
731 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
732 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
733 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
734 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
735 esac
736 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
737 ;;
738 sh64-*-*)
739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
740 ;;
741 sparc-*-elf*)
742 noconfigdirs="$noconfigdirs ${libgcj}"
743 ;;
744 sparc64-*-elf*)
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
747 sparclite-*-*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
750 sparc-*-sunos4*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 if test x${is_cross_compiler} != xno ; then
753 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
754 else
755 use_gnu_ld=no
756 fi
757 ;;
758 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
759 ;;
760 v810-*-*)
761 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
762 ;;
763 v850-*-*)
764 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
765 ;;
766 v850e-*-*)
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
768 ;;
769 v850ea-*-*)
770 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
771 ;;
772 vax-*-vms)
773 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
774 ;;
775 vax-*-*)
776 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
777 ;;
778 xtensa-*-*)
779 noconfigdirs="$noconfigdirs ${libgcj}"
780 ;;
781 ip2k-*-*)
782 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
783 ;;
784 *-*-linux*)
785 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
786 ;;
787 *-*-lynxos*)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
789 ;;
790 *-*-*)
791 noconfigdirs="$noconfigdirs ${libgcj}"
792 ;;
793 esac
795 # If we aren't building newlib, then don't build libgloss, since libgloss
796 # depends upon some newlib header files.
797 case "${noconfigdirs}" in
798 *target-libgloss*) ;;
799 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
800 esac
802 # Work in distributions that contain no compiler tools, like Autoconf.
803 tentative_cc=""
804 host_makefile_frag=/dev/null
805 if test -d ${srcdir}/config ; then
806 case "${host}" in
807 m68k-hp-hpux*)
808 # Avoid "too much defining" errors from HPUX compiler.
809 tentative_cc="cc -Wp,-H256000"
810 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
811 # If it's HP/UX ar, this should be harmless.
812 RANLIB="ar ts"
813 ;;
814 m68k-apollo-sysv*)
815 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
816 ;;
817 m68k-apollo-bsd*)
818 #None of the Apollo compilers can compile gas or binutils. The preprocessor
819 # chokes on bfd, the compiler won't let you assign integers to enums, and
820 # other problems. Defining CC to gcc is a questionable way to say "don't use
821 # the apollo compiler" (the preferred version of GCC could be called cc,
822 # or whatever), but I'm not sure leaving CC as cc is any better...
823 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
824 # Used to have BISON=yacc.
825 tentative_cc=gcc
826 ;;
827 m88k-dg-dgux*)
828 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
829 ;;
830 m88k-harris-cxux*)
831 # Under CX/UX, we want to tell the compiler to use ANSI mode.
832 tentative_cc="cc -Xa"
833 host_makefile_frag="config/mh-cxux"
834 ;;
835 m88k-motorola-sysv*)
836 ;;
837 mips*-dec-ultrix*)
838 tentative_cc="cc -Wf,-XNg1000"
839 host_makefile_frag="config/mh-decstation"
840 ;;
841 mips*-nec-sysv4*)
842 # The C compiler on NEC MIPS SVR4 needs bigger tables.
843 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
844 host_makefile_frag="config/mh-necv4"
845 ;;
846 mips*-sgi-irix4*)
847 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
848 # environment. Also bump switch table size so that cp-parse will
849 # compile. Bump string length limit so linker builds.
850 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
851 ;;
852 mips*-*-sysv4*)
853 host_makefile_frag="config/mh-sysv4"
854 ;;
855 mips*-*-sysv*)
856 # This is for a MIPS running RISC/os 4.52C.
858 # This is needed for GDB, but needs to be in the top-level make because
859 # if a library is compiled with the bsd headers and gets linked with the
860 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
861 # a different size).
862 # ptrace(2) apparently has problems in the BSD environment. No workaround is
863 # known except to select the sysv environment. Could we use /proc instead?
864 # These "sysv environments" and "bsd environments" often end up being a pain.
865 #
866 # This is not part of CFLAGS because perhaps not all C compilers have this
867 # option.
868 tentative_cc="cc -systype sysv"
869 ;;
870 i370-ibm-opened*)
871 tentative_cc="c89"
872 ;;
873 i[[3456789]]86-*-sysv5*)
874 host_makefile_frag="config/mh-sysv5"
875 ;;
876 i[[3456789]]86-*-dgux*)
877 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
878 host_makefile_frag="config/mh-dgux386"
879 ;;
880 i[[3456789]]86-ncr-sysv4.3*)
881 # The MetaWare compiler will generate a copyright message unless you
882 # turn it off by adding the -Hnocopyr flag.
883 tentative_cc="cc -Hnocopyr"
884 ;;
885 i[[3456789]]86-ncr-sysv4*)
886 # for an NCR 3000 (i486/SVR4) system.
887 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
888 # This compiler not only emits obnoxious copyright messages every time
889 # you run it, but it chokes and dies on a whole bunch of GNU source
890 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
891 tentative_cc="/usr/ccs/ATT/cc"
892 host_makefile_frag="config/mh-ncr3000"
893 ;;
894 i[[3456789]]86-*-sco3.2v5*)
895 ;;
896 i[[3456789]]86-*-sco*)
897 # The native C compiler botches some simple uses of const. Unfortunately,
898 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
899 tentative_cc="cc -Dconst="
900 host_makefile_frag="config/mh-sco"
901 ;;
902 i[[3456789]]86-*-udk*)
903 host_makefile_frag="config/mh-sysv5"
904 ;;
905 i[[3456789]]86-*-solaris2*)
906 host_makefile_frag="config/mh-sysv4"
907 ;;
908 i[[3456789]]86-*-msdosdjgpp*)
909 host_makefile_frag="config/mh-djgpp"
910 ;;
911 *-cygwin*)
912 host_makefile_frag="config/mh-cygwin"
913 ;;
914 *-mingw32*)
915 host_makefile_frag="config/mh-mingw32"
916 ;;
917 *-interix*)
918 host_makefile_frag="config/mh-interix"
919 ;;
920 vax-*-ultrix2*)
921 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
922 tentative_cc=gcc
923 ;;
924 *-*-solaris2*)
925 host_makefile_frag="config/mh-solaris"
926 ;;
927 m68k-sun-sunos*)
928 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
929 # without overflowing the jump tables (-J says to use a 32 bit table)
930 tentative_cc="cc -J"
931 ;;
932 *-hp-hpux*)
933 tentative_cc="cc -Wp,-H256000"
934 ;;
935 *-*-hiux*)
936 tentative_cc="cc -Wp,-H256000"
937 ;;
938 rs6000-*-lynxos*)
939 # /bin/cc is less than useful for our purposes. Always use GCC
940 tentative_cc="/usr/cygnus/progressive/bin/gcc"
941 host_makefile_frag="config/mh-lynxrs6k"
942 ;;
943 *-*-lynxos*)
944 # /bin/cc is less than useful for our purposes. Always use GCC
945 tentative_cc="/bin/gcc"
946 ;;
947 *-*-sysv4*)
948 host_makefile_frag="config/mh-sysv4"
949 ;;
950 esac
951 fi
953 # If we aren't going to be using gcc, see if we can extract a definition
954 # of CC from the fragment.
955 # Actually, use the 'pre-extracted' version above.
956 if test -z "${CC}" && test "${build}" = "${host}" ; then
957 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
958 found=
959 for dir in $PATH; do
960 test -z "$dir" && dir=.
961 if test -f $dir/gcc; then
962 found=yes
963 break
964 fi
965 done
966 IFS="$save_ifs"
967 if test -z "${found}" && test -n "${tentative_cc}" ; then
968 CC=$tentative_cc
969 fi
970 fi
972 if test "${build}" != "${host}" ; then
973 # If we are doing a Canadian Cross, in which the host and build systems
974 # are not the same, we set reasonable default values for the tools.
976 CC=${CC-${host_alias}-gcc}
977 CFLAGS=${CFLAGS-"-g -O2"}
978 CXX=${CXX-${host_alias}-c++}
979 CXXFLAGS=${CXXFLAGS-"-g -O2"}
980 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
981 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
982 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
983 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
984 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
985 BUILD_DIR_PREFIX=${build_subdir}
986 BUILD_PREFIX=${build_alias}-
987 BUILD_PREFIX_1=${build_alias}-
989 else
990 # Set reasonable default values for some tools even if not Canadian.
991 # Of course, these are different reasonable default values, originally
992 # specified directly in the Makefile.
993 # We don't export, so that autoconf can do its job.
994 # Note that all these settings are above the fragment inclusion point
995 # in Makefile.in, so can still be overridden by fragments.
996 # This is all going to change when we autoconfiscate...
998 CC_FOR_BUILD="\$(CC)"
999 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1000 BUILD_DIR_PREFIX=
1001 BUILD_PREFIX=
1002 BUILD_PREFIX_1=loser-
1004 AC_PROG_CC
1006 # We must set the default linker to the linker used by gcc for the correct
1007 # operation of libtool. If LD is not defined and we are using gcc, try to
1008 # set the LD default to the ld used by gcc.
1009 if test -z "$LD"; then
1010 if test "$GCC" = yes; then
1011 case $build in
1012 *-*-mingw*)
1013 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1014 *)
1015 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1016 esac
1017 case $gcc_prog_ld in
1018 # Accept absolute paths.
1019 [[\\/]* | [A-Za-z]:[\\/]*)]
1020 LD="$gcc_prog_ld" ;;
1021 esac
1022 fi
1023 fi
1025 CXX=${CXX-"c++"}
1026 CFLAGS=${CFLAGS-"-g"}
1027 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1028 fi
1030 ACX_PROG_GNAT
1031 ACX_PROG_CMP_IGNORE_INITIAL
1033 # Check for GMP
1034 gmplibs=
1035 gmpinc=
1036 have_gmp=yes
1037 # Specify a location for gmp
1038 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1040 if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
1041 gmpinc="-I$with_gmp_dir"
1042 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1043 gmplibs="$with_gmp_dir/.libs/libgmp.a"
1044 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1045 gmplibs="$with_gmp_dir/_libs/libgmp.a"
1046 fi
1047 # One of the later tests will catch the error if neither library is present.
1048 fi
1050 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1052 if test "x$with_gmp" != x && test -d "$with_gmp"; then
1053 gmplibs="-L$with_gmp/lib -lgmp"
1054 gmpinc="-I$with_gmp/include"
1055 fi
1057 # Use system gmp if nothing else specified
1058 if test "x$gmplibs" = x; then
1059 gmplibs="-lgmp"
1060 fi
1062 saved_CFLAGS="$CFLAGS"
1063 CFLAGS="$CFLAGS $gmpinc"
1064 # Check GMP actually works
1065 AC_MSG_CHECKING([for correct version of gmp.h])
1066 AC_TRY_COMPILE([#include "gmp.h"],[
1067 #if __GNU_MP_VERSION < 3
1068 choke me
1069 #endif
1070 ], [AC_MSG_RESULT([yes])],
1071 [AC_MSG_RESULT([no]); have_gmp=no])
1073 if test x"$have_gmp" = xyes; then
1074 AC_MSG_CHECKING([for mpf_init in -lgmp])
1076 saved_LIBS="$LIBS"
1077 LIBS="$LIBS $gmplibs"
1078 AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
1079 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1080 LIBS="$saved_LIBS"
1081 CFLAGS="$saved_CFLAGS"
1082 fi
1084 AC_SUBST(gmplibs)
1085 AC_SUBST(gmpinc)
1087 # By default, C is the only stage 1 language.
1088 stage1_languages=c
1089 AC_SUBST(stage1_languages)
1091 # Figure out what language subdirectories are present.
1092 # Look if the user specified --enable-languages="..."; if not, use
1093 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1094 # go away some day.
1095 # NB: embedded tabs in this IF block -- do not untabify
1096 if test -d ${srcdir}/gcc; then
1097 if test x"${enable_languages+set}" != xset; then
1098 if test x"${LANGUAGES+set}" = xset; then
1099 enable_languages="${LANGUAGES}"
1100 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1101 else
1102 enable_languages=all
1103 fi
1104 else
1105 if test x"${enable_languages}" = x ||
1106 test x"${enable_languages}" = xyes;
1107 then
1108 echo configure.in: --enable-languages needs at least one language argument 1>&2
1109 exit 1
1110 fi
1111 fi
1112 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1114 # First scan to see if an enabled language requires some other language.
1115 # We assume that a given config-lang.in will list all the language
1116 # front ends it requires, even if some are required indirectly.
1117 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1118 case ${lang_frag} in
1119 ..) ;;
1120 # The odd quoting in the next line works around
1121 # an apparent bug in bash 1.12 on linux.
1122 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1123 *)
1124 # From the config-lang.in, get $language, $lang_requires
1125 language=
1126 lang_requires=
1127 . ${lang_frag}
1128 for other in ${lang_requires} ; do
1129 case ,${enable_languages}, in
1130 *,$other,*) ;;
1131 *,all,*) ;;
1132 *,$language,*)
1133 echo " \`$other' language required by \`$language'; enabling" 1>&2
1134 enable_languages="${enable_languages},${other}"
1135 ;;
1136 esac
1137 done
1138 ;;
1139 esac
1140 done
1142 new_enable_languages=c
1143 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1145 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1146 case ${lang_frag} in
1147 ..) ;;
1148 # The odd quoting in the next line works around
1149 # an apparent bug in bash 1.12 on linux.
1150 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1151 *)
1152 # From the config-lang.in, get $language, $target_libs,
1153 # $lang_dirs, $boot_language, and $build_by_default
1154 language=
1155 target_libs=
1156 lang_dirs=
1157 boot_language=
1158 build_by_default=
1159 need_gmp=
1160 . ${lang_frag}
1161 # This is quite sensitive to the ordering of the case statement arms.
1162 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1163 *::*:*)
1164 echo "${lang_frag} doesn't set \$language." 1>&2
1165 exit 1
1166 ;;
1167 *:ada:no:*)
1168 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1169 add_this_lang=no
1170 ;;
1171 *,${language},*:*:*:*)
1172 # Language was explicitly selected; include it.
1173 add_this_lang=yes
1174 ;;
1175 *,all,*:*:*:no)
1176 # 'all' was selected, but this is not a default language
1177 # so do not include it.
1178 add_this_lang=no
1179 ;;
1180 *,all,*:*:*:*)
1181 # 'all' was selected and this is a default language; include it.
1182 add_this_lang=yes
1183 ;;
1184 *)
1185 add_this_lang=no
1186 ;;
1187 esac
1189 # Disable language that need GMP if it isn't available.
1190 if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1191 add_this_lang=no
1192 fi
1194 case $add_this_lang in
1195 no)
1196 # Remove language-dependent dirs.
1197 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1198 ;;
1199 *)
1200 new_enable_languages="$new_enable_languages,$language"
1201 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1202 case ${boot_language} in
1203 yes)
1204 # Add to (comma-separated) list of stage 1 languages.
1205 stage1_languages="${stage1_languages},${language}"
1206 ;;
1207 esac
1208 ;;
1209 esac
1210 ;;
1211 esac
1212 done
1214 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1215 if test "x$missing_languages" != x; then
1216 AC_MSG_ERROR([
1217 The following requested languages were not found: ${missing_languages}])
1218 fi
1220 if test "x$new_enable_languages" != "x$enable_languages"; then
1221 echo The following languages will be built: ${new_enable_languages}
1222 fi
1223 enable_languages="$new_enable_languages"
1224 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1225 fi
1227 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1228 # $target_configdirs.
1229 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1231 notsupp=""
1232 for dir in . $skipdirs $noconfigdirs ; do
1233 dirname=`echo $dir | sed -e s/target-//g`
1234 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1235 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1236 if test -r $srcdir/$dirname/configure ; then
1237 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1238 true
1239 else
1240 notsupp="$notsupp $dir"
1241 fi
1242 fi
1243 fi
1244 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1245 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1246 if test -r $srcdir/$dirname/configure ; then
1247 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1248 true
1249 else
1250 notsupp="$notsupp $dir"
1251 fi
1252 fi
1253 fi
1254 done
1256 # Sometimes the tools are distributed with libiberty but with no other
1257 # libraries. In that case, we don't want to build target-libiberty.
1258 if test -n "${target_configdirs}" ; then
1259 others=
1260 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1261 if test "$i" != "libiberty" ; then
1262 if test -r $srcdir/$i/configure ; then
1263 others=yes;
1264 break;
1265 fi
1266 fi
1267 done
1268 if test -z "${others}" ; then
1269 target_configdirs=
1270 fi
1271 fi
1273 # Quietly strip out all directories which aren't configurable in this tree.
1274 # This relies on all configurable subdirectories being autoconfiscated, which
1275 # is now the case.
1276 build_configdirs_all="$build_configdirs"
1277 build_configdirs=
1278 for i in ${build_configdirs_all} ; do
1279 j=`echo $i | sed -e s/build-//g`
1280 if test -f ${srcdir}/$j/configure ; then
1281 build_configdirs="${build_configdirs} $i"
1282 fi
1283 done
1285 configdirs_all="$configdirs"
1286 configdirs=
1287 for i in ${configdirs_all} ; do
1288 if test -f ${srcdir}/$i/configure ; then
1289 configdirs="${configdirs} $i"
1290 fi
1291 done
1293 target_configdirs_all="$target_configdirs"
1294 target_configdirs=
1295 for i in ${target_configdirs_all} ; do
1296 j=`echo $i | sed -e s/target-//g`
1297 if test -f ${srcdir}/$j/configure ; then
1298 target_configdirs="${target_configdirs} $i"
1299 fi
1300 done
1302 # Produce a warning message for the subdirs we can't configure.
1303 # This isn't especially interesting in the Cygnus tree, but in the individual
1304 # FSF releases, it's important to let people know when their machine isn't
1305 # supported by the one or two programs in a package.
1307 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1308 # If $appdirs is non-empty, at least one of those directories must still
1309 # be configured, or we error out. (E.g., if the gas release supports a
1310 # specified target in some subdirs but not the gas subdir, we shouldn't
1311 # pretend that all is well.)
1312 if test -n "$appdirs" ; then
1313 for dir in $appdirs ; do
1314 if test -r $dir/Makefile.in ; then
1315 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1316 appdirs=""
1317 break
1318 fi
1319 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1320 appdirs=""
1321 break
1322 fi
1323 fi
1324 done
1325 if test -n "$appdirs" ; then
1326 echo "*** This configuration is not supported by this package." 1>&2
1327 exit 1
1328 fi
1329 fi
1330 # Okay, some application will build, or we don't care to check. Still
1331 # notify of subdirs not getting built.
1332 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1333 echo " ${notsupp}" 1>&2
1334 echo " (Any other directories should still work fine.)" 1>&2
1335 fi
1337 case "$host" in
1338 *msdosdjgpp*)
1339 enable_gdbtk=no ;;
1340 esac
1342 copy_dirs=
1344 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1345 # the named directory are copied to $(tooldir)/sys-include.
1346 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1347 if test x${is_cross_compiler} = xno ; then
1348 echo 1>&2 '***' --with-headers is only supported when cross compiling
1349 exit 1
1350 fi
1351 if test x"${with_headers}" != xyes ; then
1352 case "${exec_prefixoption}" in
1353 "") x=${prefix} ;;
1354 *) x=${exec_prefix} ;;
1355 esac
1356 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1357 fi
1358 fi
1360 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1361 # the name directories are copied to $(tooldir)/lib. Multiple directories
1362 # are permitted.
1363 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1364 if test x${is_cross_compiler} = xno ; then
1365 echo 1>&2 '***' --with-libs is only supported when cross compiling
1366 exit 1
1367 fi
1368 if test x"${with_libs}" != xyes ; then
1369 # Copy the libraries in reverse order, so that files in the first named
1370 # library override files in subsequent libraries.
1371 case "${exec_prefixoption}" in
1372 "") x=${prefix} ;;
1373 *) x=${exec_prefix} ;;
1374 esac
1375 for l in ${with_libs}; do
1376 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1377 done
1378 fi
1379 fi
1381 # Handle ${copy_dirs}
1382 set fnord ${copy_dirs}
1383 shift
1384 while test $# != 0 ; do
1385 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1386 :
1387 else
1388 echo Copying $1 to $2
1390 # Use the install script to create the directory and all required
1391 # parent directories.
1392 if test -d $2 ; then
1393 :
1394 else
1395 echo >config.temp
1396 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1397 fi
1399 # Copy the directory, assuming we have tar.
1400 # FIXME: Should we use B in the second tar? Not all systems support it.
1401 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1403 # It is the responsibility of the user to correctly adjust all
1404 # symlinks. If somebody can figure out how to handle them correctly
1405 # here, feel free to add the code.
1407 echo $1 > $2/COPIED
1408 fi
1409 shift; shift
1410 done
1412 extra_arflags_for_target=
1413 extra_nmflags_for_target=
1414 extra_ranlibflags_for_target=
1415 target_makefile_frag=/dev/null
1416 case "${target}" in
1417 i[[3456789]]86-*-netware*)
1418 target_makefile_frag="config/mt-netware"
1419 ;;
1420 powerpc-*-netware*)
1421 target_makefile_frag="config/mt-netware"
1422 ;;
1423 *-*-linux*)
1424 target_makefile_frag="config/mt-linux"
1425 ;;
1426 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1427 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1428 # commands to handle both 32-bit and 64-bit objects. These flags are
1429 # harmless if we're using GNU nm or ar.
1430 extra_arflags_for_target=" -X32_64"
1431 extra_nmflags_for_target=" -B -X32_64"
1432 ;;
1433 *-*-darwin*)
1434 # ranlib from Darwin requires the -c flag to look at common symbols.
1435 extra_ranlibflags_for_target=" -c"
1436 ;;
1437 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1438 target_makefile_frag="config/mt-wince"
1439 ;;
1440 esac
1442 alphaieee_frag=/dev/null
1443 case $target in
1444 alpha*-*-*)
1445 # This just makes sure to use the -mieee option to build target libs.
1446 # This should probably be set individually by each library.
1447 alphaieee_frag="config/mt-alphaieee"
1448 ;;
1449 esac
1451 # If --enable-target-optspace always use -Os instead of -O2 to build
1452 # the target libraries, similarly if it is not specified, use -Os
1453 # on selected platforms.
1454 ospace_frag=/dev/null
1455 case "${enable_target_optspace}:${target}" in
1456 yes:*)
1457 ospace_frag="config/mt-ospace"
1458 ;;
1459 :d30v-*)
1460 ospace_frag="config/mt-d30v"
1461 ;;
1462 :m32r-* | :d10v-* | :fr30-*)
1463 ospace_frag="config/mt-ospace"
1464 ;;
1465 no:* | :*)
1466 ;;
1467 *)
1468 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1469 ;;
1470 esac
1472 # Set with_gnu_as and with_gnu_ld as appropriate.
1473 #
1474 # This is done by determining whether or not the appropriate directory
1475 # is available, and by checking whether or not specific configurations
1476 # have requested that this magic not happen.
1477 #
1478 # The command line options always override the explicit settings in
1479 # configure.in, and the settings in configure.in override this magic.
1480 #
1481 # If the default for a toolchain is to use GNU as and ld, and you don't
1482 # want to do that, then you should use the --without-gnu-as and
1483 # --without-gnu-ld options for the configure script.
1485 if test x${use_gnu_as} = x &&
1486 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1487 with_gnu_as=yes
1488 extra_host_args="$extra_host_args --with-gnu-as"
1489 fi
1491 if test x${use_gnu_ld} = x &&
1492 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1493 with_gnu_ld=yes
1494 extra_host_args="$extra_host_args --with-gnu-ld"
1495 fi
1497 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1498 # can detect this case.
1500 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1501 with_newlib=yes
1502 extra_host_args="$extra_host_args --with-newlib"
1503 fi
1505 if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1506 extra_host_args="$extra_host_args --with-libbanshee"
1507 fi
1509 # Default to using --with-stabs for certain targets.
1510 if test x${with_stabs} = x ; then
1511 case "${target}" in
1512 mips*-*-irix[[56]]*)
1513 ;;
1514 mips*-*-* | alpha*-*-osf*)
1515 with_stabs=yes;
1516 extra_host_args="${extra_host_args} --with-stabs"
1517 ;;
1518 esac
1519 fi
1521 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1522 # them automatically.
1523 case "${host}" in
1524 hppa*64*-*-hpux11*)
1525 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1526 ;;
1527 esac
1529 # Some systems (e.g., one of the i386-aix systems the gas testers are
1530 # using) don't handle "\$" correctly, so don't use it here.
1531 tooldir='${exec_prefix}'/${target_alias}
1532 build_tooldir=${tooldir}
1534 # Generate default definitions for YACC, M4, LEX and other programs that run
1535 # on the build machine. These are used if the Makefile can't locate these
1536 # programs in objdir.
1537 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1538 AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1539 AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1540 AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1541 AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1542 AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1543 AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
1545 # Create a .gdbinit file which runs the one in srcdir
1546 # and tells GDB to look there for source files.
1548 if test -r ${srcdir}/.gdbinit ; then
1549 case ${srcdir} in
1550 .) ;;
1551 *) cat > ./.gdbinit <<EOF
1552 # ${NO_EDIT}
1553 dir ${srcdir}
1554 dir .
1555 source ${srcdir}/.gdbinit
1556 EOF
1557 ;;
1558 esac
1559 fi
1561 # Make sure that the compiler is able to generate an executable. If it
1562 # can't, we are probably in trouble. We don't care whether we can run the
1563 # executable--we might be using a cross compiler--we only care whether it
1564 # can be created. At this point the main configure script has set CC.
1565 we_are_ok=no
1566 echo "int main () { return 0; }" > conftest.c
1567 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1568 if test $? = 0 ; then
1569 if test -s conftest || test -s conftest.exe ; then
1570 we_are_ok=yes
1571 fi
1572 fi
1573 case $we_are_ok in
1574 no)
1575 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1576 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1577 rm -f conftest*
1578 exit 1
1579 ;;
1580 esac
1581 rm -f conftest*
1583 # The Solaris /usr/ucb/cc compiler does not appear to work.
1584 case "${host}" in
1585 sparc-sun-solaris2*)
1586 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1587 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1588 could_use=
1589 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1590 if test -d /opt/cygnus/bin ; then
1591 if test "$could_use" = "" ; then
1592 could_use="/opt/cygnus/bin"
1593 else
1594 could_use="$could_use or /opt/cygnus/bin"
1595 fi
1596 fi
1597 if test "$could_use" = "" ; then
1598 echo "Warning: compilation may fail because you're using"
1599 echo "/usr/ucb/cc. You should change your PATH or CC "
1600 echo "variable and rerun configure."
1601 else
1602 echo "Warning: compilation may fail because you're using"
1603 echo "/usr/ucb/cc, when you should use the C compiler from"
1604 echo "$could_use. You should change your"
1605 echo "PATH or CC variable and rerun configure."
1606 fi
1607 fi
1608 ;;
1609 esac
1611 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1612 # binutils tools will find libbfd.so.
1613 case "${enable_shared}" in
1614 no | "") SET_LIB_PATH= ;;
1615 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1616 esac
1618 case "${host}" in
1619 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1620 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1621 esac
1623 # Record target_configdirs and the configure arguments for target and
1624 # build configuration in Makefile.
1625 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1626 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1628 # Determine whether gdb needs tk/tcl or not.
1629 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1630 # and in that case we want gdb to be built without tk. Ugh!
1631 # In fact I believe gdb is the *only* package directly dependent on tk,
1632 # so we should be able to put the 'maybe's in unconditionally and
1633 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1634 # 100% sure that that's safe though.
1636 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1637 case "$enable_gdbtk" in
1638 no)
1639 GDB_TK="" ;;
1640 yes)
1641 GDB_TK="${gdb_tk}" ;;
1642 *)
1643 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1644 # distro. Eventually someone will fix this and move Insight, nee
1645 # gdbtk to a separate directory.
1646 if test -d ${srcdir}/gdb/gdbtk ; then
1647 GDB_TK="${gdb_tk}"
1648 else
1649 GDB_TK=""
1650 fi
1651 ;;
1652 esac
1654 # Strip out unwanted targets.
1656 # While at that, we remove Makefiles if we were started for recursive
1657 # configuration, so that the top-level Makefile reconfigures them,
1658 # like we used to do when configure itself was recursive.
1660 # Loop over modules. $extrasub must be used with care, limiting as
1661 # much as possible the usage of range addresses. That's because autoconf
1662 # splits the sed script to overcome limits in the number of commands,
1663 # and relying on carefully-timed sed passes may turn out to be very hard
1664 # to maintain later. In this particular case, you just have to be careful
1665 # not to nest @if/@endif pairs, because configure will not warn you at all.
1667 AC_ARG_ENABLE([bootstrap],
1668 [ --enable-bootstrap Enable bootstrapping [no]],,
1669 enable_bootstrap=no)
1670 if test -d ${srcdir}/gcc; then
1671 case "$host:$target:$enable_bootstrap" in
1672 $build:$build:yes | *:no) ;;
1673 *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
1674 *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
1675 esac
1676 else
1677 if test $enable_bootstrap = yes; then
1678 AC_MSG_ERROR([cannot bootstrap without a compiler])
1679 fi
1680 fi
1682 case "$enable_bootstrap" in
1683 yes)
1684 default_target=bootstrap
1685 bootstrap_suffix=bootstrap ;;
1686 no)
1687 default_target=all
1688 bootstrap_suffix=no-bootstrap ;;
1689 esac
1690 AC_SUBST(default_target)
1692 for module in ${build_configdirs} ; do
1693 if test -z "${no_recursion}" \
1694 && test -f ${build_subdir}/${module}/Makefile; then
1695 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1696 rm -f ${build_subdir}/${module}/Makefile
1697 fi
1698 extrasub="$extrasub
1699 /^@if build-$module\$/d
1700 /^@endif build-$module\$/d
1701 /^@if build-$module-$bootstrap_suffix\$/d
1702 /^@endif build-$module-$bootstrap_suffix\$/d"
1703 done
1704 for module in ${configdirs} ; do
1705 if test -z "${no_recursion}" \
1706 && test -f ${module}/Makefile; then
1707 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1708 rm -f ${module}/Makefile
1709 fi
1710 extrasub="$extrasub
1711 /^@if $module\$/d
1712 /^@endif $module\$/d
1713 /^@if $module-$bootstrap_suffix\$/d
1714 /^@endif $module-$bootstrap_suffix\$/d"
1715 done
1716 for module in ${target_configdirs} ; do
1717 if test -z "${no_recursion}" \
1718 && test -f ${target_subdir}/${module}/Makefile; then
1719 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1720 rm -f ${target_subdir}/${module}/Makefile
1721 fi
1722 extrasub="$extrasub
1723 /^@if target-$module\$/d
1724 /^@endif target-$module\$/d
1725 /^@if target-$module-$bootstrap_suffix\$/d
1726 /^@endif target-$module-$bootstrap_suffix\$/d"
1727 done
1729 extrasub="$extrasub
1730 /^@if /,/^@endif /d"
1732 # Create the serialization dependencies. This uses a temporary file.
1734 AC_ARG_ENABLE([serial-configure],
1735 [ --enable-serial-[{host,target,build}-]configure
1736 Force sequential configuration of
1737 sub-packages for the host, target or build
1738 machine, or all sub-packages])
1740 case ${enable_serial_configure} in
1741 yes)
1742 enable_serial_build_configure=yes
1743 enable_serial_host_configure=yes
1744 enable_serial_target_configure=yes
1745 ;;
1746 esac
1748 # These force 'configure's to be done one at a time, to avoid problems
1749 # with contention over a shared config.cache.
1750 rm -f serdep.tmp
1751 echo '# serdep.tmp' > serdep.tmp
1752 olditem=
1753 test "x${enable_serial_build_configure}" = xyes &&
1754 for item in ${build_configdirs} ; do
1755 case ${olditem} in
1756 "") ;;
1757 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1758 esac
1759 olditem=${item}
1760 done
1761 olditem=
1762 test "x${enable_serial_host_configure}" = xyes &&
1763 for item in ${configdirs} ; do
1764 case ${olditem} in
1765 "") ;;
1766 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1767 esac
1768 olditem=${item}
1769 done
1770 olditem=
1771 test "x${enable_serial_target_configure}" = xyes &&
1772 for item in ${target_configdirs} ; do
1773 case ${olditem} in
1774 "") ;;
1775 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1776 esac
1777 olditem=${item}
1778 done
1779 serialization_dependencies=serdep.tmp
1780 AC_SUBST_FILE(serialization_dependencies)
1782 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1783 # target and nonopt. These are the ones we might not want to pass
1784 # down to subconfigures. Also strip program-prefix, program-suffix,
1785 # and program-transform-name, so that we can pass down a consistent
1786 # program-transform-name. If autoconf has put single quotes around
1787 # any of these arguments (because they contain shell metacharacters)
1788 # then this will fail; in practice this only happens for
1789 # --program-transform-name, so be sure to override --program-transform-name
1790 # at the end of the argument list.
1791 # These will be expanded by make, so quote '$'.
1792 cat <<\EOF_SED > conftestsed
1793 s/ --no[[^ ]]*/ /g
1794 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1795 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1796 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1797 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1798 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1799 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1800 s/ -cache-file[[= ]][[^ ]]*//g
1801 s/ -srcdir[[= ]][[^ ]]*//g
1802 s/ -host[[= ]][[^ ]]*//g
1803 s/ -build[[= ]][[^ ]]*//g
1804 s/ -target[[= ]][[^ ]]*//g
1805 s/ -program-prefix[[= ]][[^ ]]*//g
1806 s/ -program-suffix[[= ]][[^ ]]*//g
1807 s/ -program-transform-name[[= ]][[^ ]]*//g
1808 s/ [[^' -][^ ]*] / /
1809 s/^ *//;s/ *$//
1810 s,\$,$$,g
1811 EOF_SED
1812 sed -f conftestsed <<EOF_SED > conftestsed.out
1813 ${ac_configure_args}
1814 EOF_SED
1815 baseargs=`cat conftestsed.out`
1816 rm -f conftestsed conftestsed.out
1818 # Add in --program-transform-name, after --program-prefix and
1819 # --program-suffix have been applied to it. Autoconf has already
1820 # doubled dollar signs and backslashes in program_transform_name; we want
1821 # the backslashes un-doubled, and then the entire thing wrapped in single
1822 # quotes, because this will be expanded first by make and then by the shell.
1823 # Also, because we want to override the logic in subdir configure scripts to
1824 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1825 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1826 ${program_transform_name}
1827 EOF_SED
1828 gcc_transform_name=`cat conftestsed.out`
1829 rm -f conftestsed.out
1830 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1832 # For the build-side libraries, we just need to pretend we're native,
1833 # and not use the same cache file. Multilibs are neither needed nor
1834 # desired.
1835 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1837 # For host modules, accept cache file option, or specification as blank.
1838 case "${cache_file}" in
1839 "") # empty
1840 cache_file_option="" ;;
1841 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1842 cache_file_option="--cache-file=${cache_file}" ;;
1843 *) # relative path
1844 cache_file_option="--cache-file=../${cache_file}" ;;
1845 esac
1847 # Host dirs don't like to share a cache file either, horribly enough.
1848 # This seems to be due to autoconf 2.5x stupidity.
1849 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1851 target_configargs=${baseargs}
1853 # Passing a --with-cross-host argument lets the target libraries know
1854 # whether they are being built with a cross-compiler or being built
1855 # native. However, it would be better to use other mechanisms to make the
1856 # sorts of decisions they want to make on this basis. Please consider
1857 # this option to be deprecated. FIXME.
1858 if test x${is_cross_compiler} = xyes ; then
1859 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1860 fi
1862 # Default to --enable-multilib.
1863 if test x${enable_multilib} = x ; then
1864 target_configargs="--enable-multilib ${target_configargs}"
1865 fi
1867 # Pass --with-newlib if appropriate. Note that target_configdirs has
1868 # changed from the earlier setting of with_newlib.
1869 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1870 target_configargs="--with-newlib ${target_configargs}"
1871 fi
1873 # Different target subdirs use different values of certain variables
1874 # (notably CXX). Worse, multilibs use *lots* of different values.
1875 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1876 # it doesn't automatically accept command-line overrides of them.
1877 # This means it's not safe for target subdirs to share a cache file,
1878 # which is disgusting, but there you have it. Hopefully this can be
1879 # fixed in future. It's still worthwhile to use a cache file for each
1880 # directory. I think.
1882 # Pass the appropriate --host, --build, and --cache-file arguments.
1883 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1885 # provide a proper gxx_include_dir.
1886 # Note, if you change the default, make sure to fix both here and in
1887 # the gcc and libstdc++-v3 subdirectories.
1888 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1889 case "${with_gxx_include_dir}" in
1890 yes)
1891 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1892 ;;
1893 no | "")
1894 case "${enable_version_specific_runtime_libs}" in
1895 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1896 *)
1897 . ${srcdir}/config.if
1898 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1899 esac ;;
1900 *) gxx_include_dir=${with_gxx_include_dir} ;;
1901 esac
1903 FLAGS_FOR_TARGET=
1904 case " $target_configdirs " in
1905 *" newlib "*)
1906 case " $target_configargs " in
1907 *" --with-newlib "*)
1908 case "$target" in
1909 *-cygwin*)
1910 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 $$s/winsup/w32api/include' ;;
1911 esac
1913 # If we're not building GCC, don't discard standard headers.
1914 if test -d ${srcdir}/gcc; then
1915 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1917 if test "${build}" != "${host}"; then
1918 # On Canadian crosses, CC_FOR_TARGET will have already been set
1919 # by `configure', so we won't have an opportunity to add -Bgcc/
1920 # to it. This is right: we don't want to search that directory
1921 # for binaries, but we want the header files in there, so add
1922 # them explicitly.
1923 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1925 # Someone might think of using the pre-installed headers on
1926 # Canadian crosses, in case the installed compiler is not fully
1927 # compatible with the compiler being built. In this case, it
1928 # would be better to flag an error than risking having
1929 # incompatible object files being constructed. We can't
1930 # guarantee that an error will be flagged, but let's hope the
1931 # compiler will do it, when presented with incompatible header
1932 # files.
1933 fi
1934 fi
1936 case "${target}-${is_cross_compiler}" in
1937 i[[3456789]]86-*-linux*-no)
1938 # Here host == target, so we don't need to build gcc,
1939 # so we don't want to discard standard headers.
1940 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1941 ;;
1942 *)
1943 # If we're building newlib, use its generic headers last, but search
1944 # for any libc-related directories first (so make it the last -B
1945 # switch).
1946 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1947 ;;
1948 esac
1949 ;;
1950 esac
1951 ;;
1952 esac
1954 # Allow the user to override the flags for
1955 # our build compiler if desired.
1956 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1958 # On Canadian crosses, we'll be searching the right directories for
1959 # the previously-installed cross compiler, so don't bother to add
1960 # flags for directories within the install tree of the compiler
1961 # being built; programs in there won't even run.
1962 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1963 # Search for pre-installed headers if nothing else fits.
1964 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1965 fi
1967 if test "x${use_gnu_ld}" = x &&
1968 echo " ${configdirs} " | grep " ld " > /dev/null ; then
1969 # Arrange for us to find uninstalled linker scripts.
1970 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1971 fi
1973 if test "x${CC_FOR_TARGET+set}" = xset; then
1974 :
1975 elif test -d ${srcdir}/gcc; then
1976 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1977 elif test "$host" = "$target"; then
1978 CC_FOR_TARGET='$(CC)'
1979 else
1980 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1981 fi
1982 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1984 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1985 :
1986 elif test -d ${srcdir}/gcc; then
1987 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1988 elif test "$host" = "$target"; then
1989 GCJ_FOR_TARGET='gcj'
1990 else
1991 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1992 fi
1993 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1995 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
1996 :
1997 elif test -d ${srcdir}/gcc; then
1998 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
1999 elif test "$host" = "$target"; then
2000 GFORTRAN_FOR_TARGET='gfortran'
2001 else
2002 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
2003 fi
2004 case $GFORTRAN_FOR_TARGET in
2005 *' $(FLAGS_FOR_TARGET)') ;;
2006 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2007 esac
2009 # Don't use libstdc++-v3's flags to configure/build itself.
2010 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'
2011 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2013 if test "x${CXX_FOR_TARGET+set}" = xset; then
2014 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2015 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2016 fi
2017 elif test -d ${srcdir}/gcc; then
2018 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2019 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2020 # default whereas gcc does not.
2021 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2022 # all other cases.
2023 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2024 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2025 elif test "$host" = "$target"; then
2026 CXX_FOR_TARGET='$(CXX)'
2027 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2028 else
2029 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2030 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2031 fi
2032 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2033 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2035 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2036 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2038 # We want to defer the evaluation of `cmd`s and shell variables in
2039 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2040 # bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2041 # quotes, but we still have to duplicate `$'s so that shell variables
2042 # can be expanded by the nested make as shell variables, not as make
2043 # macros.
2044 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2045 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2047 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2048 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2049 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2050 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2051 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2052 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2053 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2054 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2056 # Makefile fragments.
2057 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2058 do
2059 eval fragval=\$$frag
2060 if test $fragval != /dev/null; then
2061 eval $frag=${srcdir}/$fragval
2062 fi
2063 done
2064 AC_SUBST_FILE(host_makefile_frag)
2065 AC_SUBST_FILE(target_makefile_frag)
2066 AC_SUBST_FILE(alphaieee_frag)
2067 AC_SUBST_FILE(ospace_frag)
2069 # Miscellanea: directories, flags, etc.
2070 AC_SUBST(SET_LIB_PATH)
2071 AC_SUBST(RPATH_ENVVAR)
2072 AC_SUBST(BUILD_DIR_PREFIX)
2073 AC_SUBST(BUILD_PREFIX)
2074 AC_SUBST(BUILD_PREFIX_1)
2075 AC_SUBST(gcc_version_trigger)
2076 AC_SUBST(gcc_version)
2077 AC_SUBST(tooldir)
2078 AC_SUBST(build_tooldir)
2079 AC_SUBST(GDB_TK)
2080 AC_SUBST(gxx_include_dir)
2081 AC_SUBST(libstdcxx_incdir)
2083 # Build module lists & subconfigure args.
2084 AC_SUBST(build_configargs)
2085 AC_SUBST(build_configdirs)
2087 # Host module lists & subconfigure args.
2088 AC_SUBST(host_configargs)
2089 AC_SUBST(configdirs)
2091 # Target module lists & subconfigure args.
2092 AC_SUBST(target_configargs)
2093 AC_SUBST(target_configdirs)
2095 # Build tools.
2096 AC_SUBST(CC_FOR_BUILD)
2097 AC_SUBST(config_shell)
2099 # Host tools.
2100 NCN_STRICT_CHECK_TOOL(AR, ar)
2101 NCN_STRICT_CHECK_TOOL(AS, as)
2102 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2103 NCN_STRICT_CHECK_TOOL(LD, ld)
2104 NCN_STRICT_CHECK_TOOL(NM, nm)
2105 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2106 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2107 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2108 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2109 AC_SUBST(CC)
2110 AC_SUBST(CXX)
2111 AC_SUBST(CFLAGS)
2112 AC_SUBST(CFLAGS_FOR_BUILD)
2113 AC_SUBST(CXXFLAGS)
2115 # Target tools.
2116 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2117 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2118 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2119 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2120 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2121 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2122 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2124 AC_SUBST(GCC_FOR_TARGET)
2125 AC_SUBST(FLAGS_FOR_TARGET)
2126 AC_SUBST(CC_FOR_TARGET)
2127 AC_SUBST(GCJ_FOR_TARGET)
2128 AC_SUBST(GFORTRAN_FOR_TARGET)
2129 AC_SUBST(CXX_FOR_TARGET)
2130 AC_SUBST(RAW_CXX_FOR_TARGET)
2131 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2132 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2134 # Fix up target tools.
2135 if test "x${build}" = "x${host}" ; then
2136 # In this case, the newly built tools can and should be used,
2137 # so we override the results of the autoconf tests.
2138 # This should really only happen when the tools are actually being built,
2139 # but that's a further refinement. The new build scheme, where
2140 # tools are built into a structure paralleling where they're installed,
2141 # should also eliminate all of this cleanly.
2142 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2143 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2144 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2145 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2146 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2147 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2148 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2149 else
2150 # Just use the ones we found.
2151 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2152 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2153 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2154 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2155 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2156 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2157 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2158 fi
2159 AC_SUBST(AR_FOR_TARGET)
2160 AC_SUBST(AS_FOR_TARGET)
2161 AC_SUBST(DLLTOOL_FOR_TARGET)
2162 AC_SUBST(LD_FOR_TARGET)
2163 AC_SUBST(NM_FOR_TARGET)
2164 AC_SUBST(RANLIB_FOR_TARGET)
2165 AC_SUBST(WINDRES_FOR_TARGET)
2167 # Certain tools may need extra flags.
2168 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2169 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2170 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2172 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2173 AC_ARG_ENABLE(maintainer-mode,
2174 [ --enable-maintainer-mode enable make rules and dependencies not useful
2175 (and sometimes confusing) to the casual installer],
2176 USE_MAINTAINER_MODE=$enableval,
2177 USE_MAINTAINER_MODE=no)
2178 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2179 AC_SUBST(MAINTAINER_MODE_TRUE)
2180 AC_SUBST(MAINTAINER_MODE_FALSE)
2181 if test "$USE_MAINTAINER_MODE" = yes; then
2182 MAINTAINER_MODE_TRUE=
2183 MAINTAINER_MODE_FALSE='#'
2184 else
2185 MAINTAINER_MODE_TRUE='#'
2186 MAINTAINER_MODE_FALSE=
2187 fi
2188 MAINT=$MAINTAINER_MODE_TRUE
2189 AC_SUBST(MAINT)dnl
2191 # ---------------------
2192 # GCC bootstrap support
2193 # ---------------------
2195 # Stage specific cflags for build.
2196 stage1_cflags="-g"
2197 case $build in
2198 vax-*-*)
2199 case ${GCC} in
2200 yes) stage1_cflags="-g -Wa,-J" ;;
2201 *) stage1_cflags="-g -J" ;;
2202 esac ;;
2203 powerpc-*-darwin*)
2204 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2205 # sources; use -no-cpp-precomp to get to GNU cpp.
2206 # Apple's GCC has bugs in designated initializer handling, so disable
2207 # that too.
2208 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2209 ;;
2210 esac
2211 AC_SUBST(stage1_cflags)
2213 # It makes debugging easier if we create as symlinks the stage directories
2214 # gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
2215 # possible, however, we can resort to mv.
2216 AC_CACHE_CHECK([if symbolic links between directories work],
2217 [gcc_cv_prog_ln_s_dir],
2218 [if test "${LN_S}" = "ln -s" \
2219 && mkdir confdir.s1 \
2220 && ln -s confdir.s1 confdir.s2 \
2221 && echo timestamp1 > confdir.s1/conftest.1 \
2222 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2223 && echo timestamp2 > confdir.s2/conftest.2 \
2224 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2225 && rm -f confdir.s2; then
2226 gcc_cv_prog_ln_s_dir=yes
2227 else
2228 gcc_cv_prog_ln_s_dir=yes
2229 fi
2230 rm -rf confdir.s1 confdir.s2])
2232 case ${gcc_cv_prog_ln_s_dir} in
2233 yes)
2234 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2235 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2236 *)
2237 CREATE_LINK_TO_DIR='mv $$1 $$2'
2238 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2239 esac
2240 AC_SUBST(CREATE_LINK_TO_DIR)
2241 AC_SUBST(UNDO_LINK_TO_DIR)
2243 # Enable -Werror in bootstrap stage2 and later.
2244 # Change the default to "no" on release branches.
2245 AC_ARG_ENABLE(werror,
2246 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2247 [enable_werror=yes])
2248 case ${enable_werror} in
2249 yes) stage2_werror_flag="--enable-werror-always" ;;
2250 *) stage2_werror_flag="" ;;
2251 esac
2252 AC_SUBST(stage2_werror_flag)
2254 AC_OUTPUT(Makefile)