| blob | 7a04c05147cf6b79bbf4c49bbc554a844178bd39 |
1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
3 # Free Software Foundation, Inc.
4 #
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
9 #
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
32 m4_include([config/cloog.m4])
34 AC_INIT(move-if-change)
35 AC_PREREQ(2.64)
36 AC_DISABLE_OPTION_CHECKING
38 progname=$0
39 # if PWD already has a value, it is probably wrong.
40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
42 # Export original configure arguments for use by sub-configures.
43 # Quote arguments with shell meta charatcers.
44 TOPLEVEL_CONFIGURE_ARGUMENTS=
45 set -- "$progname" "$@"
46 for ac_arg
47 do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 done
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 fi
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
66 # Find the build, host, and target systems.
67 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_HOST
69 ACX_NONCANONICAL_TARGET
71 dnl Autoconf 2.5x and later will set a default program prefix if
72 dnl --target was used, even if it was the same as --host. Disable
73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 dnl to take effect.
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
80 AC_CANONICAL_SYSTEM
81 AC_ARG_PROGRAM
83 m4_pattern_allow([^AS_FOR_TARGET$])dnl
84 m4_pattern_allow([^AS_FOR_BUILD$])dnl
86 # Get 'install' or 'install-sh' and its variants.
87 AC_PROG_INSTALL
88 ACX_PROG_LN
89 AC_PROG_LN_S
90 AC_PROG_SED
91 AC_PROG_AWK
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 # a relative path.
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99 fi
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
103 pwd=`${PWDCMD-pwd}`
104 if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106 fi
108 topsrcdir=$srcpwd
110 extra_host_args=
112 ### To add a new directory to the tree, first choose whether it is a target
113 ### or a host dependent tool. Then put it into the appropriate list
114 ### (library or tools, host or target), doing a dependency sort.
116 # Subdirs will be configured in the order listed in build_configdirs,
117 # configdirs, or target_configdirs; see the serialization section below.
119 # Dependency sorting is only needed when *configuration* must be done in
120 # a particular order. In all cases a dependency should be specified in
121 # the Makefile, whether or not it's implicitly specified here.
123 # Double entries in build_configdirs, configdirs, or target_configdirs may
124 # cause circular dependencies and break everything horribly.
126 # these library is used by various programs built for the build
127 # environment
128 #
129 build_libs="build-libiberty"
131 # these tools are built for the build environment
132 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
134 # these libraries are used by various programs built for the host environment
135 #
136 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
138 # these tools are built for the host environment
139 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140 # know that we are building the simulator.
141 # binutils, gas and ld appear in that order because it makes sense to run
142 # "make check" in that particular order.
143 # If --enable-gold is used, "gold" may replace "ld".
144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
146 # libgcj represents the runtime libraries only used by gcj.
147 libgcj="target-libffi \
148 target-zlib \
149 target-libjava"
151 # these libraries are built for the target environment, and are built after
152 # the host libraries and the host tools (which may be a cross compiler)
153 # Note that libiberty is not a target library.
154 target_libraries="target-libgcc \
155 target-libbacktrace \
156 target-libgloss \
157 target-newlib \
158 target-libgomp \
159 target-libcilkrts \
160 target-libatomic \
161 target-libitm \
162 target-libstdc++-v3 \
163 target-libsanitizer \
164 target-libvtv \
165 target-libssp \
166 target-libquadmath \
167 target-libgfortran \
168 target-boehm-gc \
169 ${libgcj} \
170 target-libobjc \
171 target-libada \
172 target-libgo"
174 # these tools are built using the target libraries, and are intended to
175 # run only in the target environment
176 #
177 # note: any program that *uses* libraries that are in the "target_libraries"
178 # list belongs in this list.
179 #
180 target_tools="target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 m4_divert_text([PARSE_ARGS],
194 [case $srcdir in
195 *" "*)
196 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198 m4_popdef([AS_MESSAGE_LOG_FD])dnl
199 ;;
200 esac
201 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
202 ])
204 ################################################################################
206 srcname="gnu development package"
208 # This gets set non-empty for some net releases of packages.
209 appdirs=""
211 # Define is_cross_compiler to save on calls to 'test'.
212 is_cross_compiler=
213 if test x"${host}" = x"${target}" ; then
214 is_cross_compiler=no
215 else
216 is_cross_compiler=yes
217 fi
219 # Find the build and target subdir names.
220 GCC_TOPLEV_SUBDIRS
221 # Be sure to cover against remnants of an in-tree build.
222 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224 Use a pristine source tree when building in a separate tree])
225 fi
227 # Skipdirs are removed silently.
228 skipdirs=
229 # Noconfigdirs are removed loudly.
230 noconfigdirs=""
232 use_gnu_ld=
233 # Make sure we don't let GNU ld be added if we didn't want it.
234 if test x$with_gnu_ld = xno ; then
235 use_gnu_ld=no
236 noconfigdirs="$noconfigdirs ld gold"
237 fi
239 use_gnu_as=
240 # Make sure we don't let GNU as be added if we didn't want it.
241 if test x$with_gnu_as = xno ; then
242 use_gnu_as=no
243 noconfigdirs="$noconfigdirs gas"
244 fi
246 use_included_zlib=
247 # Make sure we don't let ZLIB be added if we didn't want it.
248 if test x$with_system_zlib = xyes ; then
249 use_included_zlib=no
250 noconfigdirs="$noconfigdirs zlib"
251 fi
253 # some tools are so dependent upon X11 that if we're not building with X,
254 # it's not even worth trying to configure, much less build, that tool.
256 case ${with_x} in
257 yes | "") ;; # the default value for this tree is that X11 is available
258 no)
259 skipdirs="${skipdirs} tk itcl libgui"
260 # We won't be able to build gdbtk without X.
261 enable_gdbtk=no
262 ;;
263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264 esac
266 # Some are only suitable for cross toolchains.
267 # Remove these if host=target.
268 cross_only="target-libgloss target-newlib target-opcodes"
270 case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
272 esac
274 # If both --with-headers and --with-libs are specified, default to
275 # --without-newlib.
276 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
278 if test x"${with_newlib}" = x ; then
279 with_newlib=no
280 fi
281 fi
283 # Recognize --with-newlib/--without-newlib.
284 case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287 esac
289 # Handle --enable-gold, --enable-ld.
290 # --disable-gold [--enable-ld]
291 # Build only ld. Default option.
292 # --enable-gold [--enable-ld]
293 # Build both gold and ld. Install gold as "ld.gold", install ld
294 # as "ld.bfd" and "ld".
295 # --enable-gold=default [--enable-ld]
296 # Build both gold and ld. Install gold as "ld.gold" and "ld",
297 # install ld as "ld.bfd".
298 # --enable-gold[=default] --disable-ld
299 # Build only gold, which is then installed as both "ld.gold" and "ld".
300 # --enable-gold --enable-ld=default
301 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
302 # and ld.bfd).
303 # In other words, ld is default
304 # --enable-gold=default --enable-ld=default
305 # Error.
307 default_ld=
308 AC_ARG_ENABLE(gold,
309 [AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
311 ENABLE_GOLD=$enableval,
312 ENABLE_GOLD=no)
313 case "${ENABLE_GOLD}" in
314 yes|default)
315 # Check for ELF target.
316 is_elf=no
317 case "${target}" in
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
322 case "${target}" in
323 *-*-linux*aout* | *-*-linux*oldld*)
324 ;;
325 *)
326 is_elf=yes
327 ;;
328 esac
329 esac
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
333 case "${target}" in
334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
335 configdirs="$configdirs gold"
336 if test x${ENABLE_GOLD} = xdefault; then
337 default_ld=gold
338 fi
339 ENABLE_GOLD=yes
340 ;;
341 esac
342 fi
343 ;;
344 no)
345 ;;
346 *)
347 AC_MSG_ERROR([invalid --enable-gold argument])
348 ;;
349 esac
351 AC_ARG_ENABLE(ld,
352 [AS_HELP_STRING([[--enable-ld[=ARG]]],
353 [build ld @<:@ARG={default,yes,no}@:>@])],
354 ENABLE_LD=$enableval,
355 ENABLE_LD=yes)
357 case "${ENABLE_LD}" in
358 default)
359 if test x${default_ld} != x; then
360 AC_MSG_ERROR([either gold or ld can be the default ld])
361 fi
362 ;;
363 yes)
364 ;;
365 no)
366 if test x${ENABLE_GOLD} != xyes; then
367 AC_MSG_WARN([neither ld nor gold are enabled])
368 fi
369 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
370 ;;
371 *)
372 AC_MSG_ERROR([invalid --enable-ld argument])
373 ;;
374 esac
376 # Configure extra directories which are host specific
378 case "${host}" in
379 *-cygwin*)
380 configdirs="$configdirs libtermcap" ;;
381 esac
383 # A target can indicate whether a language isn't supported for some reason.
384 # Only spaces may be used in this macro; not newlines or tabs.
385 unsupported_languages=
387 # Remove more programs from consideration, based on the host or
388 # target this usually means that a port of the program doesn't
389 # exist yet.
391 case "${host}" in
392 i[[3456789]]86-*-msdosdjgpp*)
393 noconfigdirs="$noconfigdirs tcl tk itcl"
394 ;;
395 esac
398 AC_ARG_ENABLE(libquadmath,
399 AS_HELP_STRING([--disable-libquadmath],
400 [do not build libquadmath directory]),
401 ENABLE_LIBQUADMATH=$enableval,
402 ENABLE_LIBQUADMATH=yes)
403 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
404 noconfigdirs="$noconfigdirs target-libquadmath"
405 fi
408 AC_ARG_ENABLE(libquadmath-support,
409 AS_HELP_STRING([--disable-libquadmath-support],
410 [disable libquadmath support for Fortran]),
411 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
412 ENABLE_LIBQUADMATH_SUPPORT=yes)
413 enable_libquadmath_support=
414 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
415 enable_libquadmath_support=no
416 fi
419 AC_ARG_ENABLE(libada,
420 [AS_HELP_STRING([--enable-libada], [build libada directory])],
421 ENABLE_LIBADA=$enableval,
422 ENABLE_LIBADA=yes)
423 if test "${ENABLE_LIBADA}" != "yes" ; then
424 noconfigdirs="$noconfigdirs gnattools"
425 fi
427 AC_ARG_ENABLE(libssp,
428 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
429 ENABLE_LIBSSP=$enableval,
430 ENABLE_LIBSSP=yes)
432 AC_ARG_ENABLE(libstdcxx,
433 AS_HELP_STRING([--disable-libstdcxx],
434 [do not build libstdc++-v3 directory]),
435 ENABLE_LIBSTDCXX=$enableval,
436 ENABLE_LIBSTDCXX=default)
437 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
438 noconfigdirs="$noconfigdirs target-libstdc++-v3"
439 fi]
441 # Save it here so that, even in case of --enable-libgcj, if the Java
442 # front-end isn't enabled, we still get libgcj disabled.
443 libgcj_saved=$libgcj
444 case $enable_libgcj in
445 yes)
446 # If we reset it here, it won't get added to noconfigdirs in the
447 # target-specific build rules, so it will be forcibly enabled
448 # (unless the Java language itself isn't enabled).
449 libgcj=
450 ;;
451 no)
452 # Make sure we get it printed in the list of not supported target libs.
453 # Don't disable libffi, though, other languages use it.
454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
455 # Clear libgcj_saved so that even if java is enabled libffi won't be
456 # built.
457 libgcj_saved=
458 ;;
459 esac
461 AC_ARG_ENABLE(static-libjava,
462 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
463 [build static libjava @<:@default=no@:>@])],
464 ENABLE_STATIC_LIBJAVA=$enableval,
465 ENABLE_STATIC_LIBJAVA=no)
466 enable_static_libjava=
467 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
468 enable_static_libjava=yes
469 fi
471 if test x$enable_static_libjava != xyes ; then
472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
473 fi
474 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
476 # Disable libgomp on non POSIX hosted systems.
477 if test x$enable_libgomp = x ; then
478 # Enable libgomp by default on hosted POSIX systems.
479 case "${target}" in
480 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
481 ;;
482 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
483 ;;
484 *-*-solaris2* | *-*-hpux11*)
485 ;;
486 *-*-darwin* | *-*-aix*)
487 ;;
488 *)
489 noconfigdirs="$noconfigdirs target-libgomp"
490 ;;
491 esac
492 fi
494 # Disable libatomic on unsupported systems.
495 if test -d ${srcdir}/libatomic; then
496 if test x$enable_libatomic = x; then
497 AC_MSG_CHECKING([for libatomic support])
498 if (srcdir=${srcdir}/libatomic; \
499 . ${srcdir}/configure.tgt; \
500 test -n "$UNSUPPORTED")
501 then
502 AC_MSG_RESULT([no])
503 noconfigdirs="$noconfigdirs target-libatomic"
504 else
505 AC_MSG_RESULT([yes])
506 fi
507 fi
508 fi
510 # Disable libcilkrts on unsupported systems.
511 if test -d ${srcdir}/libcilkrts; then
512 if test x$enable_libcilkrts = x; then
513 AC_MSG_CHECKING([for libcilkrts support])
514 if (srcdir=${srcdir}/libcilkrts; \
515 . ${srcdir}/configure.tgt; \
516 test -n "$UNSUPPORTED")
517 then
518 AC_MSG_RESULT([no])
519 noconfigdirs="$noconfigdirs target-libcilkrts"
520 else
521 AC_MSG_RESULT([yes])
522 fi
523 fi
524 fi
526 # Disable libitm on unsupported systems.
527 if test -d ${srcdir}/libitm; then
528 if test x$enable_libitm = x; then
529 AC_MSG_CHECKING([for libitm support])
530 if (srcdir=${srcdir}/libitm; \
531 . ${srcdir}/configure.tgt; \
532 test -n "$UNSUPPORTED")
533 then
534 AC_MSG_RESULT([no])
535 noconfigdirs="$noconfigdirs target-libitm"
536 else
537 AC_MSG_RESULT([yes])
538 fi
539 fi
540 fi
542 # Disable libsanitizer on unsupported systems.
543 if test -d ${srcdir}/libsanitizer; then
544 if test x$enable_libsanitizer = x; then
545 AC_MSG_CHECKING([for libsanitizer support])
546 if (srcdir=${srcdir}/libsanitizer; \
547 . ${srcdir}/configure.tgt; \
548 test -n "$UNSUPPORTED")
549 then
550 AC_MSG_RESULT([no])
551 noconfigdirs="$noconfigdirs target-libsanitizer"
552 else
553 AC_MSG_RESULT([yes])
554 fi
555 fi
556 fi
558 # Disable libvtv on unsupported systems.
559 if test -d ${srcdir}/libvtv; then
560 if test x$enable_libvtv = x; then
561 AC_MSG_CHECKING([for libvtv support])
562 if (srcdir=${srcdir}/libvtv; \
563 . ${srcdir}/configure.tgt; \
564 test "$VTV_SUPPORTED" != "yes")
565 then
566 AC_MSG_RESULT([no])
567 noconfigdirs="$noconfigdirs target-libvtv"
568 else
569 AC_MSG_RESULT([yes])
570 fi
571 fi
572 fi
574 # Disable libquadmath for some systems.
575 case "${target}" in
576 avr-*-*)
577 noconfigdirs="$noconfigdirs target-libquadmath"
578 ;;
579 # libquadmath is unused on AIX and libquadmath build process use of
580 # LD_LIBRARY_PATH can break AIX bootstrap.
581 powerpc-*-aix* | rs6000-*-aix*)
582 noconfigdirs="$noconfigdirs target-libquadmath"
583 ;;
584 esac
586 # Disable libssp for some systems.
587 case "${target}" in
588 avr-*-*)
589 # No hosted I/O support.
590 noconfigdirs="$noconfigdirs target-libssp"
591 ;;
592 powerpc-*-aix* | rs6000-*-aix*)
593 noconfigdirs="$noconfigdirs target-libssp"
594 ;;
595 rl78-*-*)
596 # libssp uses a misaligned load to trigger a fault, but the RL78
597 # doesn't fault for those - instead, it gives a build-time error
598 # for explicit misaligned loads.
599 noconfigdirs="$noconfigdirs target-libssp"
600 ;;
601 esac
603 # Disable libstdc++-v3 for some systems.
604 # Allow user to override this if they pass --enable-libstdc++-v3
605 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
606 case "${target}" in
607 *-*-vxworks*)
608 # VxWorks uses the Dinkumware C++ library.
609 noconfigdirs="$noconfigdirs target-libstdc++-v3"
610 ;;
611 arm*-wince-pe*)
612 # the C++ libraries don't build on top of CE's C libraries
613 noconfigdirs="$noconfigdirs target-libstdc++-v3"
614 ;;
615 avr-*-*)
616 noconfigdirs="$noconfigdirs target-libstdc++-v3"
617 ;;
618 esac
619 fi
621 # Disable Fortran for some systems.
622 case "${target}" in
623 mmix-*-*)
624 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
625 unsupported_languages="$unsupported_languages fortran"
626 ;;
627 esac
629 # Disable Java if libffi is not supported.
630 case "${target}" in
631 aarch64-*-*)
632 ;;
633 alpha*-*-*)
634 ;;
635 arm*-*-*)
636 ;;
637 cris-*-*)
638 ;;
639 frv-*-*)
640 ;;
641 hppa*-*-linux*)
642 ;;
643 hppa*-*-hpux*)
644 ;;
645 i?86-*-*)
646 ;;
647 ia64*-*-*)
648 ;;
649 m32r*-*-*)
650 ;;
651 m68k-*-*)
652 ;;
653 mips*-*-rtems*)
654 ;;
655 mips*-*-linux*)
656 ;;
657 powerpc*-*-linux*)
658 ;;
659 powerpc-*-darwin*)
660 ;;
661 powerpc-*-aix* | rs6000-*-aix*)
662 ;;
663 powerpc-*-freebsd*)
664 ;;
665 powerpc64-*-freebsd*)
666 ;;
667 powerpc*-*-rtems*)
668 ;;
669 s390-*-* | s390x-*-*)
670 ;;
671 sh-*-* | sh[[34]]*-*-*)
672 ;;
673 sh64-*-* | sh5*-*-*)
674 ;;
675 sparc*-*-*)
676 ;;
677 x86_64-*-*)
678 ;;
679 *-*-*)
680 unsupported_languages="$unsupported_languages java"
681 ;;
682 esac
684 # Disable Java, libgcj or related libraries for some systems.
685 case "${target}" in
686 powerpc-*-darwin*)
687 ;;
688 i[[3456789]]86-*-darwin*)
689 ;;
690 x86_64-*-darwin[[912]]*)
691 ;;
692 *-*-darwin*)
693 noconfigdirs="$noconfigdirs ${libgcj}"
694 ;;
695 *-*-netware*)
696 noconfigdirs="$noconfigdirs ${libgcj}"
697 ;;
698 *-*-rtems*)
699 noconfigdirs="$noconfigdirs ${libgcj}"
700 ;;
701 *-*-tpf*)
702 noconfigdirs="$noconfigdirs ${libgcj}"
703 ;;
704 *-*-uclinux*)
705 noconfigdirs="$noconfigdirs ${libgcj}"
706 ;;
707 *-*-vxworks*)
708 noconfigdirs="$noconfigdirs ${libgcj}"
709 ;;
710 alpha*-*-*vms*)
711 noconfigdirs="$noconfigdirs ${libgcj}"
712 ;;
713 arm-wince-pe)
714 noconfigdirs="$noconfigdirs ${libgcj}"
715 ;;
716 arm*-*-symbianelf*)
717 noconfigdirs="$noconfigdirs ${libgcj}"
718 ;;
719 bfin-*-*)
720 noconfigdirs="$noconfigdirs target-boehm-gc"
721 ;;
722 cris-*-* | crisv32-*-*)
723 unsupported_languages="$unsupported_languages java"
724 case "${target}" in
725 *-*-linux*)
726 ;;
727 *) # See PR46792 regarding target-libffi.
728 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
729 esac
730 ;;
731 hppa*64*-*-linux*)
732 # In this case, it's because the hppa64-linux target is for
733 # the kernel only at this point and has no libc, and thus no
734 # headers, crt*.o, etc., all of which are needed by these.
735 unsupported_languages="$unsupported_languages java"
736 ;;
737 hppa*64*-*-hpux*)
738 noconfigdirs="$noconfigdirs ${libgcj}"
739 ;;
740 hppa*-hp-hpux11*)
741 ;;
742 hppa*-*-hpux*)
743 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
744 # build on HP-UX 10.20.
745 noconfigdirs="$noconfigdirs ${libgcj}"
746 ;;
747 ia64*-*-*vms*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
749 ;;
750 i[[3456789]]86-w64-mingw*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
752 ;;
753 i[[3456789]]86-*-mingw*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
755 ;;
756 x86_64-*-mingw*)
757 noconfigdirs="$noconfigdirs ${libgcj}"
758 ;;
759 mmix-*-*)
760 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
761 ;;
762 powerpc-*-aix*)
763 # copied from rs6000-*-* entry
764 noconfigdirs="$noconfigdirs ${libgcj}"
765 ;;
766 rs6000-*-aix*)
767 noconfigdirs="$noconfigdirs ${libgcj}"
768 ;;
769 *-*-lynxos*)
770 noconfigdirs="$noconfigdirs ${libgcj}"
771 ;;
772 esac
774 # Disable libgo for some systems where it is known to not work.
775 # For testing, you can easily override this with --enable-libgo.
776 if test x$enable_libgo = x; then
777 case "${target}" in
778 *-*-darwin*)
779 # PR 46986
780 noconfigdirs="$noconfigdirs target-libgo"
781 ;;
782 *-*-cygwin* | *-*-mingw*)
783 noconfigdirs="$noconfigdirs target-libgo"
784 ;;
785 *-*-aix*)
786 noconfigdirs="$noconfigdirs target-libgo"
787 ;;
788 esac
789 fi
791 # Default libgloss CPU subdirectory.
792 libgloss_dir="$target_cpu"
794 case "${target}" in
795 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
796 libgloss_dir=wince
797 ;;
798 aarch64*-*-* )
799 libgloss_dir=aarch64
800 ;;
801 arm*-*-*)
802 libgloss_dir=arm
803 ;;
804 cris-*-* | crisv32-*-*)
805 libgloss_dir=cris
806 ;;
807 hppa*-*-*)
808 libgloss_dir=pa
809 ;;
810 i[[3456789]]86-*-*)
811 libgloss_dir=i386
812 ;;
813 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
814 libgloss_dir=m68hc11
815 ;;
816 m68*-*-* | fido-*-*)
817 libgloss_dir=m68k
818 ;;
819 mips*-*-*)
820 libgloss_dir=mips
821 ;;
822 powerpc*-*-*)
823 libgloss_dir=rs6000
824 ;;
825 sparc*-*-*)
826 libgloss_dir=sparc
827 ;;
828 esac
830 # Disable newlib and libgloss for various target OSes.
831 case "${target}" in
832 alpha*-dec-osf*)
833 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
834 ;;
835 i[[3456789]]86-*-linux*)
836 # This section makes it possible to build newlib natively on linux.
837 # If we are using a cross compiler then don't configure newlib.
838 if test x${is_cross_compiler} != xno ; then
839 noconfigdirs="$noconfigdirs target-newlib"
840 fi
841 noconfigdirs="$noconfigdirs target-libgloss"
842 # If we are not using a cross compiler, do configure newlib.
843 # Note however, that newlib will only be configured in this situation
844 # if the --with-newlib option has been given, because otherwise
845 # 'target-newlib' will appear in skipdirs.
846 ;;
847 i[[3456789]]86-*-rdos*)
848 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
849 ;;
850 sh*-*-pe|mips*-*-pe|arm-wince-pe)
851 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
852 ;;
853 sparc-*-sunos4*)
854 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
855 ;;
856 *-*-aix*)
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 ;;
859 *-*-beos*)
860 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 ;;
862 *-*-chorusos)
863 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 ;;
865 *-*-dragonfly*)
866 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 ;;
868 *-*-freebsd*)
869 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 ;;
871 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 ;;
874 *-*-lynxos*)
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 ;;
877 *-*-mingw*)
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 ;;
880 *-*-netbsd*)
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 ;;
883 *-*-netware*)
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 ;;
886 *-*-tpf*)
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 ;;
889 *-*-uclinux*)
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 ;;
892 *-*-vxworks*)
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 ;;
895 esac
897 case "${target}" in
898 *-*-chorusos)
899 ;;
900 powerpc-*-darwin*)
901 noconfigdirs="$noconfigdirs ld gas gdb gprof"
902 noconfigdirs="$noconfigdirs sim target-rda"
903 ;;
904 i[[3456789]]86-*-darwin*)
905 noconfigdirs="$noconfigdirs ld gprof"
906 noconfigdirs="$noconfigdirs sim target-rda"
907 ;;
908 x86_64-*-darwin[[912]]*)
909 noconfigdirs="$noconfigdirs ld gas gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
911 ;;
912 *-*-darwin*)
913 noconfigdirs="$noconfigdirs ld gas gdb gprof"
914 noconfigdirs="$noconfigdirs sim target-rda"
915 ;;
916 *-*-dragonfly*)
917 ;;
918 *-*-freebsd*)
919 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
920 && test -f /usr/local/include/gmp.h; then
921 with_gmp=/usr/local
922 fi
923 ;;
924 *-*-kaos*)
925 # Remove unsupported stuff on all kaOS configurations.
926 noconfigdirs="$noconfigdirs target-libgloss"
927 ;;
928 *-*-netbsd*)
929 ;;
930 *-*-netware*)
931 ;;
932 *-*-rtems*)
933 noconfigdirs="$noconfigdirs target-libgloss"
934 ;;
935 # The tpf target doesn't support gdb yet.
936 *-*-tpf*)
937 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
938 ;;
939 *-*-uclinux*)
940 noconfigdirs="$noconfigdirs target-rda"
941 ;;
942 *-*-vxworks*)
943 ;;
944 alpha*-dec-osf*)
945 # ld works, but does not support shared libraries.
946 # gas doesn't generate exception information.
947 noconfigdirs="$noconfigdirs gas ld"
948 ;;
949 alpha*-*-*vms*)
950 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
951 ;;
952 alpha*-*-*)
953 # newlib is not 64 bit ready
954 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
955 ;;
956 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
957 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
958 ;;
959 arc-*-*|arceb-*-*)
960 noconfigdirs="$noconfigdirs target-libgloss"
961 ;;
962 arm-*-pe*)
963 noconfigdirs="$noconfigdirs target-libgloss"
964 ;;
965 arm-*-riscix*)
966 noconfigdirs="$noconfigdirs ld target-libgloss"
967 ;;
968 avr-*-rtems*)
969 ;;
970 avr-*-*)
971 if test x${with_avrlibc} != xno; then
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
973 fi
974 ;;
975 c4x-*-* | tic4x-*-*)
976 noconfigdirs="$noconfigdirs target-libgloss"
977 ;;
978 tic54x-*-*)
979 noconfigdirs="$noconfigdirs target-libgloss gdb"
980 ;;
981 d10v-*-*)
982 noconfigdirs="$noconfigdirs target-libgloss"
983 ;;
984 d30v-*-*)
985 noconfigdirs="$noconfigdirs gdb"
986 ;;
987 fr30-*-elf*)
988 noconfigdirs="$noconfigdirs gdb"
989 ;;
990 moxie-*-*)
991 noconfigdirs="$noconfigdirs gprof"
992 ;;
993 h8300*-*-*)
994 noconfigdirs="$noconfigdirs target-libgloss"
995 ;;
996 h8500-*-*)
997 noconfigdirs="$noconfigdirs target-libgloss"
998 ;;
999 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1000 ;;
1001 hppa*64*-*-linux*)
1002 ;;
1003 hppa*-*-linux*)
1004 ;;
1005 hppa*-*-*elf* | \
1006 hppa*-*-lites* | \
1007 hppa*-*-openbsd* | \
1008 hppa*64*-*-*)
1009 ;;
1010 hppa*-hp-hpux11*)
1011 noconfigdirs="$noconfigdirs ld"
1012 ;;
1013 hppa*-*-pro*)
1014 ;;
1015 hppa*-*-*)
1016 noconfigdirs="$noconfigdirs ld"
1017 ;;
1018 i960-*-*)
1019 noconfigdirs="$noconfigdirs gdb"
1020 ;;
1021 ia64*-*-elf*)
1022 # No gdb support yet.
1023 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1024 ;;
1025 ia64*-**-hpux*)
1026 # No ld support yet.
1027 noconfigdirs="$noconfigdirs libgui itcl ld"
1028 ;;
1029 ia64*-*-*vms*)
1030 # No ld support yet.
1031 noconfigdirs="$noconfigdirs libgui itcl ld"
1032 ;;
1033 i[[3456789]]86-w64-mingw*)
1034 ;;
1035 i[[3456789]]86-*-mingw*)
1036 target_configdirs="$target_configdirs target-winsup"
1037 ;;
1038 *-*-cygwin*)
1039 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1040 noconfigdirs="$noconfigdirs target-libgloss"
1041 # always build newlib if winsup directory is present.
1042 if test -d "$srcdir/winsup/cygwin"; then
1043 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1044 elif test -d "$srcdir/newlib"; then
1045 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1046 fi
1047 ;;
1048 i[[3456789]]86-*-pe)
1049 noconfigdirs="$noconfigdirs target-libgloss"
1050 ;;
1051 i[[3456789]]86-*-sco3.2v5*)
1052 # The linker does not yet know about weak symbols in COFF,
1053 # and is not configured to handle mixed ELF and COFF.
1054 noconfigdirs="$noconfigdirs ld target-libgloss"
1055 ;;
1056 i[[3456789]]86-*-sco*)
1057 noconfigdirs="$noconfigdirs gprof target-libgloss"
1058 ;;
1059 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1060 noconfigdirs="$noconfigdirs target-libgloss"
1061 ;;
1062 i[[3456789]]86-*-sysv4*)
1063 noconfigdirs="$noconfigdirs target-libgloss"
1064 ;;
1065 i[[3456789]]86-*-beos*)
1066 noconfigdirs="$noconfigdirs gdb"
1067 ;;
1068 i[[3456789]]86-*-rdos*)
1069 noconfigdirs="$noconfigdirs gdb"
1070 ;;
1071 mmix-*-*)
1072 noconfigdirs="$noconfigdirs gdb"
1073 ;;
1074 mt-*-*)
1075 noconfigdirs="$noconfigdirs sim"
1076 ;;
1077 powerpc-*-aix*)
1078 # copied from rs6000-*-* entry
1079 noconfigdirs="$noconfigdirs gprof"
1080 ;;
1081 powerpc*-*-winnt* | powerpc*-*-pe*)
1082 target_configdirs="$target_configdirs target-winsup"
1083 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1084 # always build newlib.
1085 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1086 ;;
1087 # This is temporary until we can link against shared libraries
1088 powerpcle-*-solaris*)
1089 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1090 ;;
1091 powerpc-*-beos*)
1092 noconfigdirs="$noconfigdirs gdb"
1093 ;;
1094 rs6000-*-lynxos*)
1095 noconfigdirs="$noconfigdirs gprof"
1096 ;;
1097 rs6000-*-aix*)
1098 noconfigdirs="$noconfigdirs gprof"
1099 ;;
1100 rs6000-*-*)
1101 noconfigdirs="$noconfigdirs gprof"
1102 ;;
1103 m68k-apollo-*)
1104 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1105 ;;
1106 microblaze*)
1107 noconfigdirs="$noconfigdirs gprof"
1108 ;;
1109 mips*-sde-elf* | mips*-mti-elf*)
1110 if test x$with_newlib = xyes; then
1111 noconfigdirs="$noconfigdirs gprof"
1112 fi
1113 ;;
1114 mips*-*-irix5*)
1115 noconfigdirs="$noconfigdirs gprof target-libgloss"
1116 ;;
1117 mips*-*-irix6*)
1118 noconfigdirs="$noconfigdirs gprof target-libgloss"
1119 ;;
1120 mips*-*-bsd*)
1121 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1122 ;;
1123 mips*-*-linux*)
1124 ;;
1125 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1126 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1127 noconfigdirs="$noconfigdirs ld gas gprof"
1128 ;;
1129 mips*-*-*)
1130 noconfigdirs="$noconfigdirs gprof"
1131 ;;
1132 sh-*-* | sh64-*-*)
1133 case "${target}" in
1134 sh*-*-elf)
1135 ;;
1136 *)
1137 noconfigdirs="$noconfigdirs target-libgloss" ;;
1138 esac
1139 ;;
1140 sparc-*-sunos4*)
1141 if test x${is_cross_compiler} = xno ; then
1142 use_gnu_ld=no
1143 fi
1144 ;;
1145 tic6x-*-*)
1146 noconfigdirs="$noconfigdirs sim"
1147 ;;
1148 tilepro*-*-* | tilegx*-*-*)
1149 noconfigdirs="$noconfigdirs sim"
1150 ;;
1151 v810-*-*)
1152 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1153 ;;
1154 vax-*-*)
1155 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1156 ;;
1157 esac
1159 # If we aren't building newlib, then don't build libgloss, since libgloss
1160 # depends upon some newlib header files.
1161 case "${noconfigdirs}" in
1162 *target-libgloss*) ;;
1163 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1164 esac
1166 # Work in distributions that contain no compiler tools, like Autoconf.
1167 host_makefile_frag=/dev/null
1168 if test -d ${srcdir}/config ; then
1169 case "${host}" in
1170 i[[3456789]]86-*-msdosdjgpp*)
1171 host_makefile_frag="config/mh-djgpp"
1172 ;;
1173 *-cygwin*)
1174 ACX_CHECK_CYGWIN_CAT_WORKS
1175 host_makefile_frag="config/mh-cygwin"
1176 ;;
1177 *-mingw*)
1178 host_makefile_frag="config/mh-mingw"
1179 ;;
1180 hppa*-hp-hpux10*)
1181 host_makefile_frag="config/mh-pa-hpux10"
1182 ;;
1183 hppa*-hp-hpux*)
1184 host_makefile_frag="config/mh-pa"
1185 ;;
1186 hppa*-*)
1187 host_makefile_frag="config/mh-pa"
1188 ;;
1189 *-*-darwin*)
1190 host_makefile_frag="config/mh-darwin"
1191 ;;
1192 powerpc-*-aix*)
1193 host_makefile_frag="config/mh-ppc-aix"
1194 ;;
1195 rs6000-*-aix*)
1196 host_makefile_frag="config/mh-ppc-aix"
1197 ;;
1198 esac
1199 fi
1201 if test "${build}" != "${host}" ; then
1202 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1203 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1204 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1205 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1206 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1207 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1208 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1209 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1210 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1211 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1212 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1213 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1214 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1215 else
1216 AR_FOR_BUILD="\$(AR)"
1217 AS_FOR_BUILD="\$(AS)"
1218 CC_FOR_BUILD="\$(CC)"
1219 CXX_FOR_BUILD="\$(CXX)"
1220 GCJ_FOR_BUILD="\$(GCJ)"
1221 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1222 GOC_FOR_BUILD="\$(GOC)"
1223 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1224 LD_FOR_BUILD="\$(LD)"
1225 NM_FOR_BUILD="\$(NM)"
1226 RANLIB_FOR_BUILD="\$(RANLIB)"
1227 WINDRES_FOR_BUILD="\$(WINDRES)"
1228 WINDMC_FOR_BUILD="\$(WINDMC)"
1229 fi
1231 AC_PROG_CC
1232 AC_PROG_CXX
1234 # We must set the default linker to the linker used by gcc for the correct
1235 # operation of libtool. If LD is not defined and we are using gcc, try to
1236 # set the LD default to the ld used by gcc.
1237 if test -z "$LD"; then
1238 if test "$GCC" = yes; then
1239 case $build in
1240 *-*-mingw*)
1241 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1242 *)
1243 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1244 esac
1245 case $gcc_prog_ld in
1246 # Accept absolute paths.
1247 [[\\/]* | [A-Za-z]:[\\/]*)]
1248 LD="$gcc_prog_ld" ;;
1249 esac
1250 fi
1251 fi
1253 # Check whether -static-libstdc++ -static-libgcc is supported.
1254 have_static_libs=no
1255 if test "$GCC" = yes; then
1256 saved_LDFLAGS="$LDFLAGS"
1258 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1259 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1260 AC_LANG_PUSH(C++)
1261 AC_LINK_IFELSE([
1262 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1263 #error -static-libstdc++ not implemented
1264 #endif
1265 int main() {}],
1266 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1267 [AC_MSG_RESULT([no])])
1268 AC_LANG_POP(C++)
1270 LDFLAGS="$saved_LDFLAGS"
1271 fi
1273 ACX_PROG_GNAT
1274 ACX_PROG_CMP_IGNORE_INITIAL
1276 AC_ARG_ENABLE([bootstrap],
1277 [AS_HELP_STRING([--enable-bootstrap],
1278 [enable bootstrapping @<:@yes if native build@:>@])],,
1279 enable_bootstrap=default)
1281 # Issue errors and warnings for invalid/strange bootstrap combinations.
1282 if test -r $srcdir/gcc/configure; then
1283 have_compiler=yes
1284 else
1285 have_compiler=no
1286 fi
1288 case "$have_compiler:$host:$target:$enable_bootstrap" in
1289 *:*:*:no) ;;
1291 # Default behavior. Enable bootstrap if we have a compiler
1292 # and we are in a native configuration.
1293 yes:$build:$build:default)
1294 enable_bootstrap=yes ;;
1296 *:*:*:default)
1297 enable_bootstrap=no ;;
1299 # We have a compiler and we are in a native configuration, bootstrap is ok
1300 yes:$build:$build:yes)
1301 ;;
1303 # Other configurations, but we have a compiler. Assume the user knows
1304 # what he's doing.
1305 yes:*:*:yes)
1306 AC_MSG_WARN([trying to bootstrap a cross compiler])
1307 ;;
1309 # No compiler: if they passed --enable-bootstrap explicitly, fail
1310 no:*:*:yes)
1311 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1313 # Fail if wrong command line
1314 *)
1315 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1316 ;;
1317 esac
1319 # Used for setting $lt_cv_objdir
1320 _LT_CHECK_OBJDIR
1322 # Check for GMP, MPFR and MPC
1323 gmplibs="-lmpc -lmpfr -lgmp"
1324 gmpinc=
1325 have_gmp=no
1327 # Specify a location for mpc
1328 # check for this first so it ends up on the link line before mpfr.
1329 AC_ARG_WITH(mpc,
1330 [AS_HELP_STRING([--with-mpc=PATH],
1331 [specify prefix directory for installed MPC package.
1332 Equivalent to --with-mpc-include=PATH/include
1333 plus --with-mpc-lib=PATH/lib])])
1334 AC_ARG_WITH(mpc-include,
1335 [AS_HELP_STRING([--with-mpc-include=PATH],
1336 [specify directory for installed MPC include files])])
1337 AC_ARG_WITH(mpc-lib,
1338 [AS_HELP_STRING([--with-mpc-lib=PATH],
1339 [specify directory for the installed MPC library])])
1341 if test "x$with_mpc" != x; then
1342 gmplibs="-L$with_mpc/lib $gmplibs"
1343 gmpinc="-I$with_mpc/include $gmpinc"
1344 fi
1345 if test "x$with_mpc_include" != x; then
1346 gmpinc="-I$with_mpc_include $gmpinc"
1347 fi
1348 if test "x$with_mpc_lib" != x; then
1349 gmplibs="-L$with_mpc_lib $gmplibs"
1350 fi
1351 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1352 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1353 gmpinc='-I$$s/mpc/src '"$gmpinc"
1354 # Do not test the mpc version. Assume that it is sufficient, since
1355 # it is in the source tree, and the library has not been built yet
1356 # but it would be included on the link line in the version check below
1357 # hence making the test fail.
1358 have_gmp=yes
1359 fi
1361 # Specify a location for mpfr
1362 # check for this first so it ends up on the link line before gmp.
1363 AC_ARG_WITH(mpfr-dir,
1364 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1365 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1366 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1368 AC_ARG_WITH(mpfr,
1369 [AS_HELP_STRING([--with-mpfr=PATH],
1370 [specify prefix directory for installed MPFR package.
1371 Equivalent to --with-mpfr-include=PATH/include
1372 plus --with-mpfr-lib=PATH/lib])])
1373 AC_ARG_WITH(mpfr-include,
1374 [AS_HELP_STRING([--with-mpfr-include=PATH],
1375 [specify directory for installed MPFR include files])])
1376 AC_ARG_WITH(mpfr-lib,
1377 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1378 [specify directory for the installed MPFR library])])
1380 if test "x$with_mpfr" != x; then
1381 gmplibs="-L$with_mpfr/lib $gmplibs"
1382 gmpinc="-I$with_mpfr/include $gmpinc"
1383 fi
1384 if test "x$with_mpfr_include" != x; then
1385 gmpinc="-I$with_mpfr_include $gmpinc"
1386 fi
1387 if test "x$with_mpfr_lib" != x; then
1388 gmplibs="-L$with_mpfr_lib $gmplibs"
1389 fi
1390 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1391 # MPFR v3.1.0 moved the sources into a src sub-directory.
1392 if test -d ${srcdir}/mpfr/src; then
1393 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1394 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1395 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1396 else
1397 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1398 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1399 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1400 fi
1401 # Do not test the mpfr version. Assume that it is sufficient, since
1402 # it is in the source tree, and the library has not been built yet
1403 # but it would be included on the link line in the version check below
1404 # hence making the test fail.
1405 have_gmp=yes
1406 fi
1408 # Specify a location for gmp
1409 AC_ARG_WITH(gmp-dir,
1410 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1411 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1412 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1414 AC_ARG_WITH(gmp,
1415 [AS_HELP_STRING([--with-gmp=PATH],
1416 [specify prefix directory for the installed GMP package.
1417 Equivalent to --with-gmp-include=PATH/include
1418 plus --with-gmp-lib=PATH/lib])])
1419 AC_ARG_WITH(gmp-include,
1420 [AS_HELP_STRING([--with-gmp-include=PATH],
1421 [specify directory for installed GMP include files])])
1422 AC_ARG_WITH(gmp-lib,
1423 [AS_HELP_STRING([--with-gmp-lib=PATH],
1424 [specify directory for the installed GMP library])])
1427 if test "x$with_gmp" != x; then
1428 gmplibs="-L$with_gmp/lib $gmplibs"
1429 gmpinc="-I$with_gmp/include $gmpinc"
1430 fi
1431 if test "x$with_gmp_include" != x; then
1432 gmpinc="-I$with_gmp_include $gmpinc"
1433 fi
1434 if test "x$with_gmp_lib" != x; then
1435 gmplibs="-L$with_gmp_lib $gmplibs"
1436 fi
1437 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1438 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1439 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1440 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1441 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1442 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1443 # Do not test the gmp version. Assume that it is sufficient, since
1444 # it is in the source tree, and the library has not been built yet
1445 # but it would be included on the link line in the version check below
1446 # hence making the test fail.
1447 have_gmp=yes
1448 fi
1450 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1451 have_gmp=yes
1452 saved_CFLAGS="$CFLAGS"
1453 CFLAGS="$CFLAGS $gmpinc"
1454 # Check for the recommended and required versions of GMP.
1455 AC_MSG_CHECKING([for the correct version of gmp.h])
1456 AC_TRY_COMPILE([#include "gmp.h"],[
1457 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1458 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1459 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1460 choke me
1461 #endif
1462 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1463 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1464 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1465 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1466 choke me
1467 #endif
1468 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1469 [AC_MSG_RESULT([no]); have_gmp=no])
1471 # If we have GMP, check the MPFR version.
1472 if test x"$have_gmp" = xyes; then
1473 # Check for the recommended and required versions of MPFR.
1474 AC_MSG_CHECKING([for the correct version of mpfr.h])
1475 AC_TRY_COMPILE([#include <gmp.h>
1476 #include <mpfr.h>],[
1477 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1478 choke me
1479 #endif
1480 ], [AC_TRY_COMPILE([#include <gmp.h>
1481 #include <mpfr.h>],[
1482 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1483 choke me
1484 #endif
1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1486 [AC_MSG_RESULT([no]); have_gmp=no])
1487 fi
1489 # Check for the MPC header version.
1490 if test x"$have_gmp" = xyes ; then
1491 # Check for the recommended and required versions of MPC.
1492 AC_MSG_CHECKING([for the correct version of mpc.h])
1493 AC_TRY_COMPILE([#include <mpc.h>],[
1494 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1495 choke me
1496 #endif
1497 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1498 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1499 choke me
1500 #endif
1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1502 [AC_MSG_RESULT([no]); have_gmp=no])
1503 fi
1505 # Now check the MPFR library.
1506 if test x"$have_gmp" = xyes; then
1507 saved_LIBS="$LIBS"
1508 LIBS="$LIBS $gmplibs"
1509 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1510 AC_TRY_LINK([#include <mpc.h>],[
1511 mpfr_t n;
1512 mpfr_t x;
1513 mpc_t c;
1514 int t;
1515 mpfr_init (n);
1516 mpfr_init (x);
1517 mpfr_atan2 (n, n, x, GMP_RNDN);
1518 mpfr_erfc (n, x, GMP_RNDN);
1519 mpfr_subnormalize (x, t, GMP_RNDN);
1520 mpfr_clear(n);
1521 mpfr_clear(x);
1522 mpc_init2 (c, 53);
1523 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1524 mpc_cosh (c, c, MPC_RNDNN);
1525 mpc_pow (c, c, c, MPC_RNDNN);
1526 mpc_acosh (c, c, MPC_RNDNN);
1527 mpc_clear (c);
1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1529 LIBS="$saved_LIBS"
1530 fi
1532 CFLAGS="$saved_CFLAGS"
1534 # The library versions listed in the error message below should match
1535 # the HARD-minimums enforced above.
1536 if test x$have_gmp != xyes; then
1537 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1538 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1539 their locations. Source code for these libraries can be found at
1540 their respective hosting sites as well as at
1541 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1542 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1543 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1544 make sure that you have installed both the libraries and the header
1545 files. They may be located in separate packages.])
1546 fi
1547 fi
1549 # Flags needed for both GMP, MPFR and/or MPC.
1550 AC_SUBST(gmplibs)
1551 AC_SUBST(gmpinc)
1552 AC_SUBST(extra_mpfr_configure_flags)
1553 AC_SUBST(extra_mpc_gmp_configure_flags)
1554 AC_SUBST(extra_mpc_mpfr_configure_flags)
1555 AC_SUBST(extra_isl_gmp_configure_flags)
1557 # Allow host libstdc++ to be specified for static linking with PPL.
1558 AC_ARG_WITH(host-libstdcxx,
1559 [AS_HELP_STRING([--with-host-libstdcxx=L],
1560 [use linker arguments L to link with libstdc++
1561 when linking with PPL])])
1563 case $with_host_libstdcxx in
1564 no|yes)
1565 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1566 ;;
1567 esac
1569 # Libraries to use for stage1 or when not bootstrapping.
1570 AC_ARG_WITH(stage1-libs,
1571 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1572 [if test "$withval" = "no" -o "$withval" = "yes"; then
1573 stage1_libs=
1574 else
1575 stage1_libs=$withval
1576 fi],
1577 [stage1_libs=$with_host_libstdcxx])
1578 AC_SUBST(stage1_libs)
1580 # Linker flags to use for stage1 or when not bootstrapping.
1581 AC_ARG_WITH(stage1-ldflags,
1582 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1583 [if test "$withval" = "no" -o "$withval" = "yes"; then
1584 stage1_ldflags=
1585 else
1586 stage1_ldflags=$withval
1587 fi],
1588 [stage1_ldflags=
1589 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1590 # if supported. But if the user explicitly specified the libraries to use,
1591 # trust that they are doing what they want.
1592 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1593 stage1_ldflags="-static-libstdc++ -static-libgcc"
1594 fi])
1595 AC_SUBST(stage1_ldflags)
1597 # Libraries to use for stage2 and later builds. This defaults to the
1598 # argument passed to --with-host-libstdcxx.
1599 AC_ARG_WITH(boot-libs,
1600 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1601 [if test "$withval" = "no" -o "$withval" = "yes"; then
1602 poststage1_libs=
1603 else
1604 poststage1_libs=$withval
1605 fi],
1606 [poststage1_libs=$with_host_libstdcxx])
1607 AC_SUBST(poststage1_libs)
1609 # Linker flags to use for stage2 and later builds.
1610 AC_ARG_WITH(boot-ldflags,
1611 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1612 [linker flags for stage2 and later])],
1613 [if test "$withval" = "no" -o "$withval" = "yes"; then
1614 poststage1_ldflags=
1615 else
1616 poststage1_ldflags=$withval
1617 fi],
1618 [poststage1_ldflags=
1619 # In stages 2 and 3, default to linking libstdc++ and libgcc
1620 # statically. But if the user explicitly specified the libraries to
1621 # use, trust that they are doing what they want.
1622 if test "$poststage1_libs" = ""; then
1623 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1624 fi])
1625 AC_SUBST(poststage1_ldflags)
1627 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1628 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1629 # config/isl.m4
1631 AC_ARG_WITH(cloog,
1632 [AS_HELP_STRING(
1633 [--with-cloog=PATH],
1634 [Specify prefix directory for the installed CLooG-ISL package.
1635 Equivalent to --with-cloog-include=PATH/include
1636 plus --with-cloog-lib=PATH/lib])])
1637 AC_ARG_WITH(isl,
1638 [AS_HELP_STRING(
1639 [--with-isl=PATH],
1640 [Specify prefix directory for the installed ISL package.
1641 Equivalent to --with-isl-include=PATH/include
1642 plus --with-isl-lib=PATH/lib])])
1644 # Treat either --without-cloog or --without-isl as a request to disable
1645 # GRAPHITE support and skip all following checks.
1646 if test "x$with_isl" != "xno" &&
1647 test "x$with_cloog" != "xno"; then
1648 # Check for ISL
1649 dnl Provide configure switches and initialize islinc & isllibs
1650 dnl with user input.
1651 ISL_INIT_FLAGS
1652 dnl The versions of ISL that work for Graphite
1653 ISL_CHECK_VERSION(0,12)
1654 dnl Only execute fail-action, if ISL has been requested.
1655 ISL_IF_FAILED([
1656 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1658 if test "x$gcc_cv_isl" != "xno"; then
1659 # Check for CLOOG
1660 dnl Provide configure switches and initialize clooginc & clooglibs
1661 dnl with user input.
1662 CLOOG_INIT_FLAGS
1663 dnl The versions of CLooG that work for Graphite.
1664 CLOOG_CHECK_VERSION(0,18,1)
1666 dnl Only execute fail-action, if CLooG has been requested.
1667 CLOOG_IF_FAILED([
1668 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1669 fi
1670 fi
1672 # If either the ISL or the CLooG check failed, disable builds of in-tree
1673 # variants of both
1674 if test "x$with_isl" = xno ||
1675 test "x$with_cloog" = xno ||
1676 test "x$gcc_cv_cloog" = xno ||
1677 test "x$gcc_cv_isl" = xno; then
1678 noconfigdirs="$noconfigdirs cloog isl"
1679 islinc=
1680 clooginc=
1681 clooglibs=
1682 fi
1684 AC_SUBST(islinc)
1685 AC_SUBST(clooglibs)
1686 AC_SUBST(clooginc)
1689 # Check for LTO support.
1690 AC_ARG_ENABLE(lto,
1691 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1692 enable_lto=$enableval,
1693 enable_lto=yes; default_enable_lto=yes)
1695 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1696 build_lto_plugin=yes
1697 ],[if test x"$default_enable_lto" = x"yes" ; then
1698 case $target in
1699 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1700 # On other non-ELF platforms, LTO has yet to be validated.
1701 *) enable_lto=no ;;
1702 esac
1703 else
1704 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1705 # It would also be nice to check the binutils support, but we don't
1706 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1707 # warn during gcc/ subconfigure; unless you're bootstrapping with
1708 # -flto it won't be needed until after installation anyway.
1709 case $target in
1710 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1711 *) if test x"$enable_lto" = x"yes"; then
1712 AC_MSG_ERROR([LTO support is not enabled for this target.])
1713 fi
1714 ;;
1715 esac
1716 fi
1717 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1718 # Build it unless LTO was explicitly disabled.
1719 case $target in
1720 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1721 *) ;;
1722 esac
1723 ])
1725 AC_ARG_ENABLE(linker-plugin-configure-flags,
1726 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1727 [additional flags for configuring linker plugins @<:@none@:>@])],
1728 extra_linker_plugin_configure_flags=$enableval,
1729 extra_linker_plugin_configure_flags=)
1730 AC_SUBST(extra_linker_plugin_configure_flags)
1731 AC_ARG_ENABLE(linker-plugin-flags,
1732 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1733 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1734 extra_linker_plugin_flags=$enableval,
1735 extra_linker_plugin_flags=)
1736 AC_SUBST(extra_linker_plugin_flags)
1739 # By default, C and C++ are the only stage 1 languages.
1740 stage1_languages=,c,
1742 # Target libraries that we bootstrap.
1743 bootstrap_target_libs=,target-libgcc,
1745 # Figure out what language subdirectories are present.
1746 # Look if the user specified --enable-languages="..."; if not, use
1747 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1748 # go away some day.
1749 # NB: embedded tabs in this IF block -- do not untabify
1750 if test -d ${srcdir}/gcc; then
1751 if test x"${enable_languages+set}" != xset; then
1752 if test x"${LANGUAGES+set}" = xset; then
1753 enable_languages="${LANGUAGES}"
1754 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1755 else
1756 enable_languages=all
1757 fi
1758 else
1759 if test x"${enable_languages}" = x ||
1760 test x"${enable_languages}" = xyes;
1761 then
1762 echo configure.in: --enable-languages needs at least one language argument 1>&2
1763 exit 1
1764 fi
1765 fi
1766 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1768 # 'f95' is the old name for the 'fortran' language. We issue a warning
1769 # and make the substitution.
1770 case ,${enable_languages}, in
1771 *,f95,*)
1772 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1773 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1774 ;;
1775 esac
1777 # If bootstrapping, C++ must be enabled.
1778 case ",$enable_languages,:$enable_bootstrap" in
1779 *,c++,*:*) ;;
1780 *:yes)
1781 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1782 enable_languages="${enable_languages},c++"
1783 else
1784 AC_MSG_ERROR([bootstrapping requires c++ sources])
1785 fi
1786 ;;
1787 esac
1789 # First scan to see if an enabled language requires some other language.
1790 # We assume that a given config-lang.in will list all the language
1791 # front ends it requires, even if some are required indirectly.
1792 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1793 case ${lang_frag} in
1794 ..) ;;
1795 # The odd quoting in the next line works around
1796 # an apparent bug in bash 1.12 on linux.
1797 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1798 *)
1799 # From the config-lang.in, get $language, $lang_requires, and
1800 # $lang_requires_boot_languages.
1801 language=
1802 lang_requires=
1803 lang_requires_boot_languages=
1804 . ${lang_frag}
1805 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1806 case ,${enable_languages}, in
1807 *,$other,*) ;;
1808 *,all,*) ;;
1809 *,$language,*)
1810 echo " \`$other' language required by \`$language'; enabling" 1>&2
1811 enable_languages="${enable_languages},${other}"
1812 ;;
1813 esac
1814 done
1815 for other in ${lang_requires_boot_languages} ; do
1816 if test "$other" != "c"; then
1817 case ,${enable_stage1_languages}, in
1818 *,$other,*) ;;
1819 *,all,*) ;;
1820 *)
1821 case ,${enable_languages}, in
1822 *,$language,*)
1823 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1824 enable_stage1_languages="$enable_stage1_languages,${other}"
1825 ;;
1826 esac
1827 ;;
1828 esac
1829 fi
1830 done
1831 ;;
1832 esac
1833 done
1835 new_enable_languages=,c,
1837 # If LTO is enabled, add the LTO front end.
1838 extra_host_libiberty_configure_flags=
1839 if test "$enable_lto" = "yes" ; then
1840 case ,${enable_languages}, in
1841 *,lto,*) ;;
1842 *) enable_languages="${enable_languages},lto" ;;
1843 esac
1844 if test "${build_lto_plugin}" = "yes" ; then
1845 configdirs="$configdirs lto-plugin"
1846 extra_host_libiberty_configure_flags=--enable-shared
1847 fi
1848 fi
1849 AC_SUBST(extra_host_libiberty_configure_flags)
1851 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1852 potential_languages=,c,
1854 enabled_target_libs=
1855 disabled_target_libs=
1857 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1858 case ${lang_frag} in
1859 ..) ;;
1860 # The odd quoting in the next line works around
1861 # an apparent bug in bash 1.12 on linux.
1862 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1863 *)
1864 # From the config-lang.in, get $language, $target_libs,
1865 # $lang_dirs, $boot_language, and $build_by_default
1866 language=
1867 target_libs=
1868 lang_dirs=
1869 subdir_requires=
1870 boot_language=no
1871 build_by_default=yes
1872 . ${lang_frag}
1873 if test x${language} = x; then
1874 echo "${lang_frag} doesn't set \$language." 1>&2
1875 exit 1
1876 fi
1878 if test "$language" = "c++"; then
1879 boot_language=yes
1880 fi
1882 add_this_lang=no
1883 case ,${enable_languages}, in
1884 *,${language},*)
1885 # Language was explicitly selected; include it
1886 # unless it is C, which is enabled by default.
1887 if test "$language" != "c"; then
1888 add_this_lang=yes
1889 fi
1890 ;;
1891 *,all,*)
1892 # 'all' was selected, select it if it is a default language
1893 if test "$language" != "c"; then
1894 add_this_lang=${build_by_default}
1895 fi
1896 ;;
1897 esac
1899 # Disable languages that need other directories if these aren't available.
1900 for i in $subdir_requires; do
1901 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1902 case ,${enable_languages}, in
1903 *,${language},*)
1904 # Specifically requested language; tell them.
1905 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1906 ;;
1907 *)
1908 # Silently disable.
1909 add_this_lang=unsupported
1910 ;;
1911 esac
1912 done
1914 # Disable Ada if no preexisting GNAT is available.
1915 case ,${enable_languages},:${language}:${have_gnat} in
1916 *,${language},*:ada:no)
1917 # Specifically requested language; tell them.
1918 AC_MSG_ERROR([GNAT is required to build $language])
1919 ;;
1920 *:ada:no)
1921 # Silently disable.
1922 add_this_lang=unsupported
1923 ;;
1924 esac
1926 # Disable a language that is unsupported by the target.
1927 case " $unsupported_languages " in
1928 *" $language "*)
1929 add_this_lang=unsupported
1930 ;;
1931 esac
1933 case $add_this_lang in
1934 unsupported)
1935 # Remove language-dependent dirs.
1936 disabled_target_libs="$disabled_target_libs $target_libs"
1937 noconfigdirs="$noconfigdirs $lang_dirs"
1938 ;;
1939 no)
1940 # Remove language-dependent dirs; still show language as supported.
1941 disabled_target_libs="$disabled_target_libs $target_libs"
1942 noconfigdirs="$noconfigdirs $lang_dirs"
1943 potential_languages="${potential_languages}${language},"
1944 ;;
1945 yes)
1946 new_enable_languages="${new_enable_languages}${language},"
1947 potential_languages="${potential_languages}${language},"
1948 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1949 enabled_target_libs="$enabled_target_libs $target_libs"
1950 case "${boot_language}:,$enable_stage1_languages," in
1951 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1952 # Add to (comma-separated) list of stage 1 languages.
1953 case ",$stage1_languages," in
1954 *,$language,* | ,yes, | ,all,) ;;
1955 *) stage1_languages="${stage1_languages}${language}," ;;
1956 esac
1957 # We need to bootstrap any supporting libraries.
1958 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1959 ;;
1960 esac
1961 ;;
1962 esac
1963 ;;
1964 esac
1965 done
1967 # Add target libraries which are only needed for disabled languages
1968 # to noconfigdirs.
1969 if test -n "$disabled_target_libs"; then
1970 for dir in $disabled_target_libs; do
1971 case " $enabled_target_libs " in
1972 *" ${dir} "*) ;;
1973 *) noconfigdirs="$noconfigdirs $dir" ;;
1974 esac
1975 done
1976 fi
1978 AC_ARG_ENABLE(stage1-languages,
1979 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1980 [choose additional languages to build during
1981 stage1. Mostly useful for compiler development])],
1982 [case ,${enable_stage1_languages}, in
1983 ,no,|,,)
1984 # Set it to something that will have no effect in the loop below
1985 enable_stage1_languages=c ;;
1986 ,yes,)
1987 enable_stage1_languages=`echo $new_enable_languages | \
1988 sed -e "s/^,//" -e "s/,$//" ` ;;
1989 *,all,*)
1990 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1991 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1992 esac
1994 # Add "good" languages from enable_stage1_languages to stage1_languages,
1995 # while "bad" languages go in missing_languages. Leave no duplicates.
1996 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1997 case $potential_languages in
1998 *,$i,*)
1999 case $stage1_languages in
2000 *,$i,*) ;;
2001 *) stage1_languages="$stage1_languages$i," ;;
2002 esac ;;
2003 *)
2004 case $missing_languages in
2005 *,$i,*) ;;
2006 *) missing_languages="$missing_languages$i," ;;
2007 esac ;;
2008 esac
2009 done])
2011 # Remove leading/trailing commas that were added for simplicity
2012 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2013 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2014 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2015 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2017 if test "x$missing_languages" != x; then
2018 AC_MSG_ERROR([
2019 The following requested languages could not be built: ${missing_languages}
2020 Supported languages are: ${potential_languages}])
2021 fi
2022 if test "x$new_enable_languages" != "x$enable_languages"; then
2023 echo The following languages will be built: ${new_enable_languages}
2024 enable_languages="$new_enable_languages"
2025 fi
2027 AC_SUBST(stage1_languages)
2028 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2029 fi
2031 # Handle --disable-<component> generically.
2032 for dir in $configdirs $build_configdirs $target_configdirs ; do
2033 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2034 varname=`echo $dirname | sed -e s/+/_/g`
2035 if eval test x\${enable_${varname}} "=" xno ; then
2036 noconfigdirs="$noconfigdirs $dir"
2037 fi
2038 done
2040 # Check for Boehm's garbage collector
2041 AC_ARG_ENABLE(objc-gc,
2042 [AS_HELP_STRING([--enable-objc-gc],
2043 [enable use of Boehm's garbage collector with the
2044 GNU Objective-C runtime])],
2045 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2046 *,objc,*:*:yes:*target-boehm-gc*)
2047 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2048 ;;
2049 esac])
2051 # Make sure we only build Boehm's garbage collector if required.
2052 case ,${enable_languages},:${enable_objc_gc} in
2053 *,objc,*:yes)
2054 # Keep target-boehm-gc if requested for Objective-C.
2055 ;;
2056 *)
2057 # Otherwise remove target-boehm-gc depending on target-libjava.
2058 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2059 noconfigdirs="$noconfigdirs target-boehm-gc"
2060 fi
2061 ;;
2062 esac
2064 # Disable libcilkrts, libitm, libsanitizer, libvtv if we're not building C++
2065 case ,${enable_languages}, in
2066 *,c++,*)
2067 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2068 case "${noconfigdirs}" in
2069 *target-libstdc++-v3*)
2070 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2071 ;;
2072 *) ;;
2073 esac
2074 ;;
2075 *)
2076 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
2077 ;;
2078 esac
2080 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2081 # $build_configdirs and $target_configdirs.
2082 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2084 notsupp=""
2085 for dir in . $skipdirs $noconfigdirs ; do
2086 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2087 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2088 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2089 if test -r $srcdir/$dirname/configure ; then
2090 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2091 true
2092 else
2093 notsupp="$notsupp $dir"
2094 fi
2095 fi
2096 fi
2097 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2098 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2099 if test -r $srcdir/$dirname/configure ; then
2100 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2101 true
2102 else
2103 notsupp="$notsupp $dir"
2104 fi
2105 fi
2106 fi
2107 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2108 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2109 if test -r $srcdir/$dirname/configure ; then
2110 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2111 true
2112 else
2113 notsupp="$notsupp $dir"
2114 fi
2115 fi
2116 fi
2117 done
2119 # Quietly strip out all directories which aren't configurable in this tree.
2120 # This relies on all configurable subdirectories being autoconfiscated, which
2121 # is now the case.
2122 build_configdirs_all="$build_configdirs"
2123 build_configdirs=
2124 for i in ${build_configdirs_all} ; do
2125 j=`echo $i | sed -e s/build-//g`
2126 if test -f ${srcdir}/$j/configure ; then
2127 build_configdirs="${build_configdirs} $i"
2128 fi
2129 done
2131 configdirs_all="$configdirs"
2132 configdirs=
2133 for i in ${configdirs_all} ; do
2134 if test -f ${srcdir}/$i/configure ; then
2135 configdirs="${configdirs} $i"
2136 fi
2137 done
2139 target_configdirs_all="$target_configdirs"
2140 target_configdirs=
2141 for i in ${target_configdirs_all} ; do
2142 j=`echo $i | sed -e s/target-//g`
2143 if test -f ${srcdir}/$j/configure ; then
2144 target_configdirs="${target_configdirs} $i"
2145 fi
2146 done
2148 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2149 # so we have to add it after the preceding checks.
2150 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2151 then
2152 case " $configdirs " in
2153 *" libiberty "*)
2154 # If we can build libiberty, we can also build libiberty-linker-plugin.
2155 configdirs="$configdirs libiberty-linker-plugin"
2156 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2157 --with-libiberty=../libiberty-linker-plugin";;
2158 *)
2159 AC_MSG_ERROR([libiberty missing]);;
2160 esac
2161 fi
2163 # Produce a warning message for the subdirs we can't configure.
2164 # This isn't especially interesting in the Cygnus tree, but in the individual
2165 # FSF releases, it's important to let people know when their machine isn't
2166 # supported by the one or two programs in a package.
2168 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2169 # If $appdirs is non-empty, at least one of those directories must still
2170 # be configured, or we error out. (E.g., if the gas release supports a
2171 # specified target in some subdirs but not the gas subdir, we shouldn't
2172 # pretend that all is well.)
2173 if test -n "$appdirs" ; then
2174 for dir in $appdirs ; do
2175 if test -r $dir/Makefile.in ; then
2176 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2177 appdirs=""
2178 break
2179 fi
2180 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2181 appdirs=""
2182 break
2183 fi
2184 fi
2185 done
2186 if test -n "$appdirs" ; then
2187 echo "*** This configuration is not supported by this package." 1>&2
2188 exit 1
2189 fi
2190 fi
2191 # Okay, some application will build, or we don't care to check. Still
2192 # notify of subdirs not getting built.
2193 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2194 echo " ${notsupp}" 1>&2
2195 echo " (Any other directories should still work fine.)" 1>&2
2196 fi
2198 case "$host" in
2199 *msdosdjgpp*)
2200 enable_gdbtk=no ;;
2201 esac
2203 # To find our prefix, in gcc_cv_tool_prefix.
2204 ACX_TOOL_DIRS
2206 copy_dirs=
2208 AC_ARG_WITH([build-sysroot],
2209 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2210 [use sysroot as the system root during the build])],
2211 [if test x"$withval" != x ; then
2212 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2213 fi],
2214 [SYSROOT_CFLAGS_FOR_TARGET=])
2215 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2217 AC_ARG_WITH([debug-prefix-map],
2218 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2219 [map A to B, C to D ... in debug information])],
2220 [if test x"$withval" != x; then
2221 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2222 for debug_map in $withval; do
2223 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2224 done
2225 fi],
2226 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2227 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2229 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2230 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2231 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2232 # We want to ensure that TARGET libraries (which we know are built with
2233 # gcc) are built with "-O2 -g", so include those options when setting
2234 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2235 if test "x$CFLAGS_FOR_TARGET" = x; then
2236 CFLAGS_FOR_TARGET=$CFLAGS
2237 case " $CFLAGS " in
2238 *" -O2 "*) ;;
2239 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2240 esac
2241 case " $CFLAGS " in
2242 *" -g "* | *" -g3 "*) ;;
2243 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2244 esac
2245 fi
2246 AC_SUBST(CFLAGS_FOR_TARGET)
2248 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2249 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2250 case " $CXXFLAGS " in
2251 *" -O2 "*) ;;
2252 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2253 esac
2254 case " $CXXFLAGS " in
2255 *" -g "* | *" -g3 "*) ;;
2256 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2257 esac
2258 fi
2259 AC_SUBST(CXXFLAGS_FOR_TARGET)
2261 AC_SUBST(LDFLAGS_FOR_TARGET)
2263 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2264 # the named directory are copied to $(tooldir)/sys-include.
2265 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2266 if test x${is_cross_compiler} = xno ; then
2267 echo 1>&2 '***' --with-headers is only supported when cross compiling
2268 exit 1
2269 fi
2270 if test x"${with_headers}" != xyes ; then
2271 x=${gcc_cv_tool_prefix}
2272 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2273 fi
2274 fi
2276 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2277 # the name directories are copied to $(tooldir)/lib. Multiple directories
2278 # are permitted.
2279 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2280 if test x${is_cross_compiler} = xno ; then
2281 echo 1>&2 '***' --with-libs is only supported when cross compiling
2282 exit 1
2283 fi
2284 if test x"${with_libs}" != xyes ; then
2285 # Copy the libraries in reverse order, so that files in the first named
2286 # library override files in subsequent libraries.
2287 x=${gcc_cv_tool_prefix}
2288 for l in ${with_libs}; do
2289 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2290 done
2291 fi
2292 fi
2294 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2295 #
2296 # This is done by determining whether or not the appropriate directory
2297 # is available, and by checking whether or not specific configurations
2298 # have requested that this magic not happen.
2299 #
2300 # The command line options always override the explicit settings in
2301 # configure.in, and the settings in configure.in override this magic.
2302 #
2303 # If the default for a toolchain is to use GNU as and ld, and you don't
2304 # want to do that, then you should use the --without-gnu-as and
2305 # --without-gnu-ld options for the configure script. Similarly, if
2306 # the default is to use the included zlib and you don't want to do that,
2307 # you should use the --with-system-zlib option for the configure script.
2309 if test x${use_gnu_as} = x &&
2310 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2311 with_gnu_as=yes
2312 extra_host_args="$extra_host_args --with-gnu-as"
2313 fi
2315 if test x${use_gnu_ld} = x &&
2316 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2317 with_gnu_ld=yes
2318 extra_host_args="$extra_host_args --with-gnu-ld"
2319 fi
2321 if test x${use_included_zlib} = x &&
2322 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2323 :
2324 else
2325 with_system_zlib=yes
2326 extra_host_args="$extra_host_args --with-system-zlib"
2327 fi
2329 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2330 # can detect this case.
2332 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2333 with_newlib=yes
2334 extra_host_args="$extra_host_args --with-newlib"
2335 fi
2337 # Handle ${copy_dirs}
2338 set fnord ${copy_dirs}
2339 shift
2340 while test $# != 0 ; do
2341 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2342 :
2343 else
2344 echo Copying $1 to $2
2346 # Use the install script to create the directory and all required
2347 # parent directories.
2348 if test -d $2 ; then
2349 :
2350 else
2351 echo >config.temp
2352 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2353 fi
2355 # Copy the directory, assuming we have tar.
2356 # FIXME: Should we use B in the second tar? Not all systems support it.
2357 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2359 # It is the responsibility of the user to correctly adjust all
2360 # symlinks. If somebody can figure out how to handle them correctly
2361 # here, feel free to add the code.
2363 echo $1 > $2/COPIED
2364 fi
2365 shift; shift
2366 done
2368 # Determine a target-dependent exec_prefix that the installed
2369 # gcc will search in. Keep this list sorted by triplet, with
2370 # the *-*-osname triplets last.
2371 md_exec_prefix=
2372 case "${target}" in
2373 i[[34567]]86-pc-msdosdjgpp*)
2374 md_exec_prefix=/dev/env/DJDIR/bin
2375 ;;
2376 *-*-hpux* | \
2377 *-*-nto-qnx* | \
2378 *-*-solaris2*)
2379 md_exec_prefix=/usr/ccs/bin
2380 ;;
2381 esac
2383 extra_arflags_for_target=
2384 extra_nmflags_for_target=
2385 extra_ranlibflags_for_target=
2386 target_makefile_frag=/dev/null
2387 case "${target}" in
2388 spu-*-*)
2389 target_makefile_frag="config/mt-spu"
2390 ;;
2391 mips*-sde-elf* | mips*-mti-elf*)
2392 target_makefile_frag="config/mt-sde"
2393 ;;
2394 mipsisa*-*-elfoabi*)
2395 target_makefile_frag="config/mt-mips-elfoabi"
2396 ;;
2397 mips*-*-*linux* | mips*-*-gnu*)
2398 target_makefile_frag="config/mt-mips-gnu"
2399 ;;
2400 nios2-*-elf*)
2401 target_makefile_frag="config/mt-nios2-elf"
2402 ;;
2403 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2404 target_makefile_frag="config/mt-gnu"
2405 ;;
2406 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2407 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2408 # commands to handle both 32-bit and 64-bit objects. These flags are
2409 # harmless if we're using GNU nm or ar.
2410 extra_arflags_for_target=" -X32_64"
2411 extra_nmflags_for_target=" -B -X32_64"
2412 ;;
2413 esac
2415 alphaieee_frag=/dev/null
2416 case $target in
2417 alpha*-*-*)
2418 # This just makes sure to use the -mieee option to build target libs.
2419 # This should probably be set individually by each library.
2420 alphaieee_frag="config/mt-alphaieee"
2421 ;;
2422 esac
2424 # If --enable-target-optspace always use -Os instead of -O2 to build
2425 # the target libraries, similarly if it is not specified, use -Os
2426 # on selected platforms.
2427 ospace_frag=/dev/null
2428 case "${enable_target_optspace}:${target}" in
2429 yes:*)
2430 ospace_frag="config/mt-ospace"
2431 ;;
2432 :d30v-*)
2433 ospace_frag="config/mt-d30v"
2434 ;;
2435 :m32r-* | :d10v-* | :fr30-*)
2436 ospace_frag="config/mt-ospace"
2437 ;;
2438 no:* | :*)
2439 ;;
2440 *)
2441 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2442 ;;
2443 esac
2445 # Some systems (e.g., one of the i386-aix systems the gas testers are
2446 # using) don't handle "\$" correctly, so don't use it here.
2447 tooldir='${exec_prefix}'/${target_noncanonical}
2448 build_tooldir=${tooldir}
2450 # Create a .gdbinit file which runs the one in srcdir
2451 # and tells GDB to look there for source files.
2453 if test -r ${srcdir}/.gdbinit ; then
2454 case ${srcdir} in
2455 .) ;;
2456 *) cat > ./.gdbinit <<EOF
2457 # ${NO_EDIT}
2458 dir ${srcdir}
2459 dir .
2460 source ${srcdir}/.gdbinit
2461 EOF
2462 ;;
2463 esac
2464 fi
2466 # Make sure that the compiler is able to generate an executable. If it
2467 # can't, we are probably in trouble. We don't care whether we can run the
2468 # executable--we might be using a cross compiler--we only care whether it
2469 # can be created. At this point the main configure script has set CC.
2470 we_are_ok=no
2471 echo "int main () { return 0; }" > conftest.c
2472 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2473 if test $? = 0 ; then
2474 if test -s conftest || test -s conftest.exe ; then
2475 we_are_ok=yes
2476 fi
2477 fi
2478 case $we_are_ok in
2479 no)
2480 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2481 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2482 rm -f conftest*
2483 exit 1
2484 ;;
2485 esac
2486 rm -f conftest*
2488 # Decide which environment variable is used to find dynamic libraries.
2489 case "${host}" in
2490 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2491 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2492 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2493 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2494 esac
2496 # On systems where the dynamic library environment variable is PATH,
2497 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2498 # built executables to PATH.
2499 if test "$RPATH_ENVVAR" = PATH; then
2500 GCC_SHLIB_SUBDIR=/shlib
2501 else
2502 GCC_SHLIB_SUBDIR=
2503 fi
2505 # Adjust the toplevel makefile according to whether bootstrap was selected.
2506 case $enable_bootstrap in
2507 yes)
2508 bootstrap_suffix=bootstrap
2509 BUILD_CONFIG=bootstrap-debug
2510 ;;
2511 no)
2512 bootstrap_suffix=no-bootstrap
2513 BUILD_CONFIG=
2514 ;;
2515 esac
2517 AC_MSG_CHECKING(for default BUILD_CONFIG)
2519 AC_ARG_WITH([build-config],
2520 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2521 [use config/NAME.mk build configuration])],
2522 [case $with_build_config in
2523 yes) with_build_config= ;;
2524 no) with_build_config= BUILD_CONFIG= ;;
2525 esac])
2527 if test "x${with_build_config}" != x; then
2528 BUILD_CONFIG=$with_build_config
2529 else
2530 case $BUILD_CONFIG in
2531 bootstrap-debug)
2532 if echo "int f (void) { return 0; }" > conftest.c &&
2533 ${CC} -c conftest.c &&
2534 mv conftest.o conftest.o.g0 &&
2535 ${CC} -c -g conftest.c &&
2536 mv conftest.o conftest.o.g &&
2537 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2538 :
2539 else
2540 BUILD_CONFIG=
2541 fi
2542 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2543 ;;
2544 esac
2545 fi
2546 AC_MSG_RESULT($BUILD_CONFIG)
2547 AC_SUBST(BUILD_CONFIG)
2549 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2550 AC_MSG_CHECKING([for --enable-vtable-verify])
2551 AC_ARG_ENABLE(vtable-verify,
2552 [ --enable-vtable-verify Enable vtable verification feature ],
2553 [case "$enableval" in
2554 yes) enable_vtable_verify=yes ;;
2555 no) enable_vtable_verify=no ;;
2556 *) enable_vtable_verify=no;;
2557 esac],
2558 [enable_vtable_verify=no])
2559 AC_MSG_RESULT($enable_vtable_verify)
2561 # Record target_configdirs and the configure arguments for target and
2562 # build configuration in Makefile.
2563 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2564 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2565 bootstrap_fixincludes=no
2567 # If we are building libgomp, bootstrap it.
2568 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2569 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2570 fi
2572 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2573 # or bootstrap-ubsan, bootstrap it.
2574 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2575 case "$BUILD_CONFIG" in
2576 *bootstrap-asan* | *bootstrap-ubsan* )
2577 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2578 bootstrap_fixincludes=yes
2579 ;;
2580 esac
2581 fi
2583 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2584 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2585 test "$enable_vtable_verify" != no; then
2586 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2587 fi
2589 # Determine whether gdb needs tk/tcl or not.
2590 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2591 # and in that case we want gdb to be built without tk. Ugh!
2592 # In fact I believe gdb is the *only* package directly dependent on tk,
2593 # so we should be able to put the 'maybe's in unconditionally and
2594 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2595 # 100% sure that that's safe though.
2597 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2598 case "$enable_gdbtk" in
2599 no)
2600 GDB_TK="" ;;
2601 yes)
2602 GDB_TK="${gdb_tk}" ;;
2603 *)
2604 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2605 # distro. Eventually someone will fix this and move Insight, nee
2606 # gdbtk to a separate directory.
2607 if test -d ${srcdir}/gdb/gdbtk ; then
2608 GDB_TK="${gdb_tk}"
2609 else
2610 GDB_TK=""
2611 fi
2612 ;;
2613 esac
2614 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2615 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2617 # Strip out unwanted targets.
2619 # While at that, we remove Makefiles if we were started for recursive
2620 # configuration, so that the top-level Makefile reconfigures them,
2621 # like we used to do when configure itself was recursive.
2623 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2624 # but now we're fixing up the Makefile ourselves with the additional
2625 # commands passed to AC_CONFIG_FILES. Use separate variables
2626 # extrasub-{build,host,target} not because there is any reason to split
2627 # the substitutions up that way, but only to remain below the limit of
2628 # 99 commands in a script, for HP-UX sed.
2629 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2631 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2632 yes:yes:*\ gold\ *:*,c++,*) ;;
2633 yes:yes:*\ gold\ *:*)
2634 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2635 ;;
2636 esac
2638 extrasub_build=
2639 for module in ${build_configdirs} ; do
2640 if test -z "${no_recursion}" \
2641 && test -f ${build_subdir}/${module}/Makefile; then
2642 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2643 rm -f ${build_subdir}/${module}/Makefile
2644 fi
2645 extrasub_build="$extrasub_build
2646 /^@if build-$module\$/d
2647 /^@endif build-$module\$/d
2648 /^@if build-$module-$bootstrap_suffix\$/d
2649 /^@endif build-$module-$bootstrap_suffix\$/d"
2650 done
2651 extrasub_host=
2652 for module in ${configdirs} ; do
2653 if test -z "${no_recursion}"; then
2654 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2655 if test -f ${file}; then
2656 echo 1>&2 "*** removing ${file} to force reconfigure"
2657 rm -f ${file}
2658 fi
2659 done
2660 fi
2661 case ${module},${bootstrap_fixincludes} in
2662 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2663 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2664 esac
2665 extrasub_host="$extrasub_host
2666 /^@if $module\$/d
2667 /^@endif $module\$/d
2668 /^@if $module-$host_bootstrap_suffix\$/d
2669 /^@endif $module-$host_bootstrap_suffix\$/d"
2670 done
2671 extrasub_target=
2672 for module in ${target_configdirs} ; do
2673 if test -z "${no_recursion}" \
2674 && test -f ${target_subdir}/${module}/Makefile; then
2675 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2676 rm -f ${target_subdir}/${module}/Makefile
2677 fi
2679 # We only bootstrap target libraries listed in bootstrap_target_libs.
2680 case $bootstrap_target_libs in
2681 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2682 *) target_bootstrap_suffix=no-bootstrap ;;
2683 esac
2685 extrasub_target="$extrasub_target
2686 /^@if target-$module\$/d
2687 /^@endif target-$module\$/d
2688 /^@if target-$module-$target_bootstrap_suffix\$/d
2689 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2690 done
2692 # Do the final fixup along with target modules.
2693 extrasub_target="$extrasub_target
2694 /^@if /,/^@endif /d"
2696 # Create the serialization dependencies. This uses a temporary file.
2698 AC_ARG_ENABLE([serial-configure],
2699 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2700 [force sequential configuration of
2701 sub-packages for the host, target or build
2702 machine, or all sub-packages])])
2704 case ${enable_serial_configure} in
2705 yes)
2706 enable_serial_build_configure=yes
2707 enable_serial_host_configure=yes
2708 enable_serial_target_configure=yes
2709 ;;
2710 esac
2712 # These force 'configure's to be done one at a time, to avoid problems
2713 # with contention over a shared config.cache.
2714 rm -f serdep.tmp
2715 echo '# serdep.tmp' > serdep.tmp
2716 olditem=
2717 test "x${enable_serial_build_configure}" = xyes &&
2718 for item in ${build_configdirs} ; do
2719 case ${olditem} in
2720 "") ;;
2721 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2722 esac
2723 olditem=${item}
2724 done
2725 olditem=
2726 test "x${enable_serial_host_configure}" = xyes &&
2727 for item in ${configdirs} ; do
2728 case ${olditem} in
2729 "") ;;
2730 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2731 esac
2732 olditem=${item}
2733 done
2734 olditem=
2735 test "x${enable_serial_target_configure}" = xyes &&
2736 for item in ${target_configdirs} ; do
2737 case ${olditem} in
2738 "") ;;
2739 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2740 esac
2741 olditem=${item}
2742 done
2743 serialization_dependencies=serdep.tmp
2744 AC_SUBST_FILE(serialization_dependencies)
2746 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2747 # target, nonopt, and variable assignments. These are the ones we
2748 # might not want to pass down to subconfigures. The exception being
2749 # --cache-file=/dev/null, which is used to turn off the use of cache
2750 # files altogether, and which should be passed on to subconfigures.
2751 # Also strip program-prefix, program-suffix, and program-transform-name,
2752 # so that we can pass down a consistent program-transform-name.
2753 baseargs=
2754 tbaseargs=
2755 keep_next=no
2756 skip_next=no
2757 eval "set -- $ac_configure_args"
2758 for ac_arg
2759 do
2760 if test X"$skip_next" = X"yes"; then
2761 skip_next=no
2762 continue
2763 fi
2764 if test X"$keep_next" = X"yes"; then
2765 case $ac_arg in
2766 *\'*)
2767 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2768 esac
2769 baseargs="$baseargs '$ac_arg'"
2770 tbaseargs="$tbaseargs '$ac_arg'"
2771 keep_next=no
2772 continue
2773 fi
2775 # Handle separated arguments. Based on the logic generated by
2776 # autoconf 2.59.
2777 case $ac_arg in
2778 *=* | --config-cache | -C | -disable-* | --disable-* \
2779 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2780 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2781 | -with-* | --with-* | -without-* | --without-* | --x)
2782 separate_arg=no
2783 ;;
2784 -*)
2785 separate_arg=yes
2786 ;;
2787 *)
2788 separate_arg=no
2789 ;;
2790 esac
2792 skip_targ=no
2793 case $ac_arg in
2794 changequote(,)
2795 --with-* | --without-*)
2796 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2798 case $libopt in
2799 *[-_]include)
2800 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2801 ;;
2802 *[-_]lib)
2803 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2804 ;;
2805 *)
2806 lib=$libopt
2807 ;;
2808 esac
2809 changequote([,])
2811 case $lib in
2812 mpc | mpfr | gmp | cloog)
2813 # If we're processing --with-$lib, --with-$lib-include or
2814 # --with-$lib-lib, for one of the libs above, and target is
2815 # different from host, don't pass the current argument to any
2816 # target library's configure.
2817 if test x$is_cross_compiler = xyes; then
2818 skip_targ=yes
2819 fi
2820 ;;
2821 esac
2822 ;;
2823 esac
2825 case "$ac_arg" in
2826 --cache-file=/dev/null | \
2827 -cache-file=/dev/null )
2828 # Handled here to avoid the test to skip args below.
2829 baseargs="$baseargs '$ac_arg'"
2830 tbaseargs="$tbaseargs '$ac_arg'"
2831 # Assert: $separate_arg should always be no.
2832 keep_next=$separate_arg
2833 ;;
2834 --no*)
2835 continue
2836 ;;
2837 --c* | \
2838 --sr* | \
2839 --ho* | \
2840 --bu* | \
2841 --t* | \
2842 --program-* | \
2843 -cache_file* | \
2844 -srcdir* | \
2845 -host* | \
2846 -build* | \
2847 -target* | \
2848 -program-prefix* | \
2849 -program-suffix* | \
2850 -program-transform-name* )
2851 skip_next=$separate_arg
2852 continue
2853 ;;
2854 -*)
2855 # An option. Add it.
2856 case $ac_arg in
2857 *\'*)
2858 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2859 esac
2860 baseargs="$baseargs '$ac_arg'"
2861 if test X"$skip_targ" = Xno; then
2862 tbaseargs="$tbaseargs '$ac_arg'"
2863 fi
2864 keep_next=$separate_arg
2865 ;;
2866 *)
2867 # Either a variable assignment, or a nonopt (triplet). Don't
2868 # pass it down; let the Makefile handle this.
2869 continue
2870 ;;
2871 esac
2872 done
2873 # Remove the initial space we just introduced and, as these will be
2874 # expanded by make, quote '$'.
2875 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2877 # Add in --program-transform-name, after --program-prefix and
2878 # --program-suffix have been applied to it. Autoconf has already
2879 # doubled dollar signs and backslashes in program_transform_name; we want
2880 # the backslashes un-doubled, and then the entire thing wrapped in single
2881 # quotes, because this will be expanded first by make and then by the shell.
2882 # Also, because we want to override the logic in subdir configure scripts to
2883 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2884 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2885 ${program_transform_name}
2886 EOF_SED
2887 gcc_transform_name=`cat conftestsed.out`
2888 rm -f conftestsed.out
2889 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2890 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2891 if test "$silent" = yes; then
2892 baseargs="$baseargs --silent"
2893 tbaseargs="$tbaseargs --silent"
2894 fi
2895 baseargs="$baseargs --disable-option-checking"
2896 tbaseargs="$tbaseargs --disable-option-checking"
2898 # Record and document user additions to sub configure arguments.
2899 AC_ARG_VAR([build_configargs],
2900 [additional configure arguments for build directories])
2901 AC_ARG_VAR([host_configargs],
2902 [additional configure arguments for host directories])
2903 AC_ARG_VAR([target_configargs],
2904 [additional configure arguments for target directories])
2906 # For the build-side libraries, we just need to pretend we're native,
2907 # and not use the same cache file. Multilibs are neither needed nor
2908 # desired.
2909 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2911 # For host modules, accept cache file option, or specification as blank.
2912 case "${cache_file}" in
2913 "") # empty
2914 cache_file_option="" ;;
2915 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2916 cache_file_option="--cache-file=${cache_file}" ;;
2917 *) # relative path
2918 cache_file_option="--cache-file=../${cache_file}" ;;
2919 esac
2921 # Host dirs don't like to share a cache file either, horribly enough.
2922 # This seems to be due to autoconf 2.5x stupidity.
2923 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2925 target_configargs="$target_configargs ${tbaseargs}"
2927 # Passing a --with-cross-host argument lets the target libraries know
2928 # whether they are being built with a cross-compiler or being built
2929 # native. However, it would be better to use other mechanisms to make the
2930 # sorts of decisions they want to make on this basis. Please consider
2931 # this option to be deprecated. FIXME.
2932 if test x${is_cross_compiler} = xyes ; then
2933 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2934 fi
2936 # Special user-friendly check for native x86_64-linux build, if
2937 # multilib is not explicitly enabled.
2938 case "$target:$have_compiler:$host:$target:$enable_multilib" in
2939 x86_64-*linux*:yes:$build:$build:)
2940 # Make sure we have a developement environment that handles 32-bit
2941 dev64=no
2942 echo "int main () { return 0; }" > conftest.c
2943 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2944 if test $? = 0 ; then
2945 if test -s conftest || test -s conftest.exe ; then
2946 dev64=yes
2947 fi
2948 fi
2949 rm -f conftest*
2950 if test x${dev64} != xyes ; then
2951 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
2952 fi
2953 ;;
2954 esac
2956 # Default to --enable-multilib.
2957 if test x${enable_multilib} = x ; then
2958 target_configargs="--enable-multilib ${target_configargs}"
2959 fi
2961 # Pass --with-newlib if appropriate. Note that target_configdirs has
2962 # changed from the earlier setting of with_newlib.
2963 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2964 target_configargs="--with-newlib ${target_configargs}"
2965 fi
2967 # Different target subdirs use different values of certain variables
2968 # (notably CXX). Worse, multilibs use *lots* of different values.
2969 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2970 # it doesn't automatically accept command-line overrides of them.
2971 # This means it's not safe for target subdirs to share a cache file,
2972 # which is disgusting, but there you have it. Hopefully this can be
2973 # fixed in future. It's still worthwhile to use a cache file for each
2974 # directory. I think.
2976 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2977 # We need to pass --target, as newer autoconf's requires consistency
2978 # for target_alias and gcc doesn't manage it consistently.
2979 target_configargs="--cache-file=./config.cache ${target_configargs}"
2981 FLAGS_FOR_TARGET=
2982 case " $target_configdirs " in
2983 *" newlib "*)
2984 case " $target_configargs " in
2985 *" --with-newlib "*)
2986 case "$target" in
2987 *-cygwin*)
2988 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2989 ;;
2990 esac
2992 # If we're not building GCC, don't discard standard headers.
2993 if test -d ${srcdir}/gcc; then
2994 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2996 if test "${build}" != "${host}"; then
2997 # On Canadian crosses, CC_FOR_TARGET will have already been set
2998 # by `configure', so we won't have an opportunity to add -Bgcc/
2999 # to it. This is right: we don't want to search that directory
3000 # for binaries, but we want the header files in there, so add
3001 # them explicitly.
3002 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3004 # Someone might think of using the pre-installed headers on
3005 # Canadian crosses, in case the installed compiler is not fully
3006 # compatible with the compiler being built. In this case, it
3007 # would be better to flag an error than risking having
3008 # incompatible object files being constructed. We can't
3009 # guarantee that an error will be flagged, but let's hope the
3010 # compiler will do it, when presented with incompatible header
3011 # files.
3012 fi
3013 fi
3015 case "${target}-${is_cross_compiler}" in
3016 i[[3456789]]86-*-linux*-no)
3017 # Here host == target, so we don't need to build gcc,
3018 # so we don't want to discard standard headers.
3019 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3020 ;;
3021 *)
3022 # If we're building newlib, use its generic headers last, but search
3023 # for any libc-related directories first (so make it the last -B
3024 # switch).
3025 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3027 # If we're building libgloss, find the startup file, simulator library
3028 # and linker script.
3029 case " $target_configdirs " in
3030 *" libgloss "*)
3031 # Look for startup file, simulator library and maybe linker script.
3032 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3033 # Look for libnosys.a in case the target needs it.
3034 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3035 # Most targets have the linker script in the source directory.
3036 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3037 ;;
3038 esac
3039 ;;
3040 esac
3041 ;;
3042 esac
3043 ;;
3044 esac
3046 case "$target" in
3047 x86_64-*mingw* | *-w64-mingw*)
3048 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3049 # however, use a symlink named 'mingw' in ${prefix} .
3050 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3051 ;;
3052 *-mingw*)
3053 # MinGW can't be handled as Cygwin above since it does not use newlib.
3054 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3055 ;;
3056 esac
3058 # Allow the user to override the flags for
3059 # our build compiler if desired.
3060 if test x"${build}" = x"${host}" ; then
3061 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3062 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3063 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3064 fi
3066 # On Canadian crosses, we'll be searching the right directories for
3067 # the previously-installed cross compiler, so don't bother to add
3068 # flags for directories within the install tree of the compiler
3069 # being built; programs in there won't even run.
3070 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3071 # Search for pre-installed headers if nothing else fits.
3072 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3073 fi
3075 if test "x${use_gnu_ld}" = x &&
3076 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3077 # Arrange for us to find uninstalled linker scripts.
3078 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3079 fi
3081 # Search for other target-specific linker scripts and such.
3082 case "${target}" in
3083 mep*)
3084 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3085 ;;
3086 esac
3088 # Makefile fragments.
3089 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3090 do
3091 eval fragval=\$$frag
3092 if test $fragval != /dev/null; then
3093 eval $frag=${srcdir}/$fragval
3094 fi
3095 done
3096 AC_SUBST_FILE(host_makefile_frag)
3097 AC_SUBST_FILE(target_makefile_frag)
3098 AC_SUBST_FILE(alphaieee_frag)
3099 AC_SUBST_FILE(ospace_frag)
3101 # Miscellanea: directories, flags, etc.
3102 AC_SUBST(RPATH_ENVVAR)
3103 AC_SUBST(GCC_SHLIB_SUBDIR)
3104 AC_SUBST(tooldir)
3105 AC_SUBST(build_tooldir)
3106 AC_SUBST(CONFIGURE_GDB_TK)
3107 AC_SUBST(GDB_TK)
3108 AC_SUBST(INSTALL_GDB_TK)
3110 # Build module lists & subconfigure args.
3111 AC_SUBST(build_configargs)
3112 AC_SUBST(build_configdirs)
3114 # Host module lists & subconfigure args.
3115 AC_SUBST(host_configargs)
3116 AC_SUBST(configdirs)
3117 AC_SUBST(target_configdirs)
3119 # Target module lists & subconfigure args.
3120 AC_SUBST(target_configargs)
3123 # Build tools.
3124 AC_SUBST(AR_FOR_BUILD)
3125 AC_SUBST(AS_FOR_BUILD)
3126 AC_SUBST(CC_FOR_BUILD)
3127 AC_SUBST(CFLAGS_FOR_BUILD)
3128 AC_SUBST(CXXFLAGS_FOR_BUILD)
3129 AC_SUBST(CXX_FOR_BUILD)
3130 AC_SUBST(DLLTOOL_FOR_BUILD)
3131 AC_SUBST(GCJ_FOR_BUILD)
3132 AC_SUBST(GFORTRAN_FOR_BUILD)
3133 AC_SUBST(GOC_FOR_BUILD)
3134 AC_SUBST(LDFLAGS_FOR_BUILD)
3135 AC_SUBST(LD_FOR_BUILD)
3136 AC_SUBST(NM_FOR_BUILD)
3137 AC_SUBST(RANLIB_FOR_BUILD)
3138 AC_SUBST(WINDMC_FOR_BUILD)
3139 AC_SUBST(WINDRES_FOR_BUILD)
3141 # Generate default definitions for YACC, M4, LEX and other programs that run
3142 # on the build machine. These are used if the Makefile can't locate these
3143 # programs in objdir.
3144 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3146 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3147 case " $build_configdirs " in
3148 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3149 esac
3151 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3152 case " $build_configdirs " in
3153 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3154 esac
3156 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3157 case " $build_configdirs " in
3158 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3159 esac
3161 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3162 case " $build_configdirs " in
3163 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3164 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3165 esac
3167 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3168 case " $build_configdirs " in
3169 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3170 esac
3172 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3173 case " $build_configdirs " in
3174 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3175 *)
3176 changequote(,)
3177 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3178 # higher, else we use the "missing" dummy.
3179 if ${MAKEINFO} --version \
3180 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3181 :
3182 else
3183 MAKEINFO="$MISSING makeinfo"
3184 fi
3185 ;;
3186 changequote([,])
3187 esac
3189 # FIXME: expect and dejagnu may become build tools?
3191 AC_CHECK_PROGS(EXPECT, expect, expect)
3192 case " $configdirs " in
3193 *" expect "*)
3194 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3195 ;;
3196 esac
3198 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3199 case " $configdirs " in
3200 *" dejagnu "*)
3201 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3202 ;;
3203 esac
3206 # Host tools.
3207 NCN_STRICT_CHECK_TOOLS(AR, ar)
3208 NCN_STRICT_CHECK_TOOLS(AS, as)
3209 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3210 NCN_STRICT_CHECK_TOOLS(LD, ld)
3211 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3212 NCN_STRICT_CHECK_TOOLS(NM, nm)
3213 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3214 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3215 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3216 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3217 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3218 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3219 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3220 AC_SUBST(CC)
3221 AC_SUBST(CXX)
3222 AC_SUBST(CFLAGS)
3223 AC_SUBST(CXXFLAGS)
3225 # Target tools.
3226 AC_ARG_WITH([build-time-tools],
3227 [AS_HELP_STRING([--with-build-time-tools=PATH],
3228 [use given path to find target tools during the build])],
3229 [case x"$withval" in
3230 x/*) ;;
3231 *)
3232 with_build_time_tools=
3233 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3234 ;;
3235 esac],
3236 [with_build_time_tools=])
3238 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3239 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3240 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3241 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3242 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3243 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3245 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3248 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3249 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3250 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3251 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3252 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3253 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3254 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3255 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3256 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3258 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3260 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3261 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3262 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3263 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3264 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3265 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3266 c++)
3267 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3268 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3269 c++)
3270 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3271 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3272 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3273 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3274 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3275 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3276 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3277 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3278 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3279 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3280 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3281 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3282 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3283 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3284 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3285 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3286 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3288 AC_SUBST(FLAGS_FOR_TARGET)
3289 AC_SUBST(RAW_CXX_FOR_TARGET)
3291 # Certain tools may need extra flags.
3292 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3293 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3294 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3296 # When building target libraries, except in a Canadian cross, we use
3297 # the same toolchain as the compiler we just built.
3298 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3299 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3300 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3301 if test $host = $build; then
3302 case " $configdirs " in
3303 *" gcc "*)
3304 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3305 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3306 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3307 ;;
3308 esac
3309 fi
3311 AC_SUBST(COMPILER_AS_FOR_TARGET)
3312 AC_SUBST(COMPILER_LD_FOR_TARGET)
3313 AC_SUBST(COMPILER_NM_FOR_TARGET)
3315 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3316 AC_ARG_ENABLE(maintainer-mode,
3317 [AS_HELP_STRING([--enable-maintainer-mode],
3318 [enable make rules and dependencies not useful
3319 (and sometimes confusing) to the casual installer])],
3320 USE_MAINTAINER_MODE=$enableval,
3321 USE_MAINTAINER_MODE=no)
3322 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3323 AC_SUBST(MAINTAINER_MODE_TRUE)
3324 AC_SUBST(MAINTAINER_MODE_FALSE)
3325 if test "$USE_MAINTAINER_MODE" = yes; then
3326 MAINTAINER_MODE_TRUE=
3327 MAINTAINER_MODE_FALSE='#'
3328 else
3329 MAINTAINER_MODE_TRUE='#'
3330 MAINTAINER_MODE_FALSE=
3331 fi
3332 MAINT=$MAINTAINER_MODE_TRUE
3333 AC_SUBST(MAINT)dnl
3335 # ---------------------
3336 # GCC bootstrap support
3337 # ---------------------
3339 # Stage specific cflags for build.
3340 stage1_cflags="-g"
3341 case $build in
3342 vax-*-*)
3343 case ${GCC} in
3344 yes) stage1_cflags="-g -Wa,-J" ;;
3345 *) stage1_cflags="-g -J" ;;
3346 esac ;;
3347 esac
3349 AC_SUBST(stage1_cflags)
3351 # Enable --enable-checking in stage1 of the compiler.
3352 AC_ARG_ENABLE(stage1-checking,
3353 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3354 [choose additional checking for stage1 of the compiler])],
3355 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3356 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3357 stage1_checking=--enable-checking=yes,types
3358 else
3359 stage1_checking=--enable-checking=$enable_checking,types
3360 fi])
3361 AC_SUBST(stage1_checking)
3363 # Enable -Werror in bootstrap stage2 and later.
3364 AC_ARG_ENABLE(werror,
3365 [AS_HELP_STRING([--enable-werror],
3366 [enable -Werror in bootstrap stage2 and later])], [],
3367 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3368 enable_werror=yes
3369 else
3370 enable_werror=no
3371 fi])
3372 case ${enable_werror} in
3373 yes) stage2_werror_flag="--enable-werror-always" ;;
3374 *) stage2_werror_flag="" ;;
3375 esac
3376 AC_SUBST(stage2_werror_flag)
3378 # Enable --enable-host-shared.
3379 AC_ARG_ENABLE(host-shared,
3380 [AS_HELP_STRING([--enable-host-shared],
3381 [build host code as shared libraries])],
3382 [host_shared=$enableval], [host_shared=no])
3383 AC_SUBST(host_shared)
3385 # Specify what files to not compare during bootstrap.
3387 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3388 case "$target" in
3389 hppa*64*-*-hpux*) ;;
3390 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3391 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3392 esac
3393 AC_SUBST(compare_exclusions)
3395 AC_CONFIG_FILES([Makefile],
3396 [sed "$extrasub_build" Makefile |
3397 sed "$extrasub_host" |
3398 sed "$extrasub_target" > mf$$
3399 mv -f mf$$ Makefile],
3400 [extrasub_build="$extrasub_build"
3401 extrasub_host="$extrasub_host"
3402 extrasub_target="$extrasub_target"])
3403 AC_OUTPUT