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.
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.
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.
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)
36 AC_DISABLE_OPTION_CHECKING
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 -- "$progname" "$@"
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'/"` ;;
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
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
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
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
78 program_transform_name=s,y,y,
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.
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
104 if test "${pwd}" = "${srcpwd}" ; then
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
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
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 \
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 \
161 target-libstdc++-v3 \
172 # these tools are built using the target libraries, and are intended to
173 # run only in the target environment
175 # note: any program that *uses* libraries that are in the "target_libraries"
176 # list belongs in this list.
178 target_tools="target-rda"
180 ################################################################################
182 ## All tools belong in one of the four categories, and are assigned above
183 ## We assign ${configdirs} this way to remove all embedded newlines. This
184 ## is important because configure will choke if they ever get through.
185 ## ${configdirs} is directories we build using the host tools.
186 ## ${target_configdirs} is directories we build using the target tools.
187 configdirs=`echo ${host_libs} ${host_tools}`
188 target_configdirs=`echo ${target_libraries} ${target_tools}`
189 build_configdirs=`echo ${build_libs} ${build_tools}`
191 m4_divert_text([PARSE_ARGS],
194 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
195 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
196 m4_popdef([AS_MESSAGE_LOG_FD])dnl
199 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
202 ################################################################################
204 srcname="gnu development package"
206 # This gets set non-empty for some net releases of packages.
209 # Define is_cross_compiler to save on calls to 'test'.
211 if test x"${host}" = x"${target}" ; then
214 is_cross_compiler=yes
217 # Find the build and target subdir names.
219 # Be sure to cover against remnants of an in-tree build.
220 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
221 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
222 Use a pristine source tree when building in a separate tree])
225 # Skipdirs are removed silently.
227 # Noconfigdirs are removed loudly.
231 # Make sure we don't let GNU ld be added if we didn't want it.
232 if test x$with_gnu_ld = xno ; then
234 noconfigdirs="$noconfigdirs ld gold"
238 # Make sure we don't let GNU as be added if we didn't want it.
239 if test x$with_gnu_as = xno ; then
241 noconfigdirs="$noconfigdirs gas"
245 # Make sure we don't let ZLIB be added if we didn't want it.
246 if test x$with_system_zlib = xyes ; then
248 noconfigdirs="$noconfigdirs zlib"
251 # some tools are so dependent upon X11 that if we're not building with X,
252 # it's not even worth trying to configure, much less build, that tool.
255 yes | "") ;; # the default value for this tree is that X11 is available
257 skipdirs="${skipdirs} tk itcl libgui"
258 # We won't be able to build gdbtk without X.
261 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264 # Some are only suitable for cross toolchains.
265 # Remove these if host=target.
266 cross_only="target-libgloss target-newlib target-opcodes"
268 case $is_cross_compiler in
269 no) skipdirs="${skipdirs} ${cross_only}" ;;
272 # If both --with-headers and --with-libs are specified, default to
274 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
275 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
276 if test x"${with_newlib}" = x ; then
281 # Recognize --with-newlib/--without-newlib.
282 case ${with_newlib} in
283 no) skipdirs="${skipdirs} target-newlib" ;;
284 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287 # Handle --enable-gold, --enable-ld.
288 # --disable-gold [--enable-ld]
289 # Build only ld. Default option.
290 # --enable-gold [--enable-ld]
291 # Build both gold and ld. Install gold as "ld.gold", install ld
292 # as "ld.bfd" and "ld".
293 # --enable-gold=default [--enable-ld]
294 # Build both gold and ld. Install gold as "ld.gold" and "ld",
295 # install ld as "ld.bfd".
296 # --enable-gold[=default] --disable-ld
297 # Build only gold, which is then installed as both "ld.gold" and "ld".
298 # --enable-gold --enable-ld=default
299 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
301 # In other words, ld is default
302 # --enable-gold=default --enable-ld=default
307 [AS_HELP_STRING([[--enable-gold[=ARG]]],
308 [build gold @<:@ARG={default,yes,no}@:>@])],
309 ENABLE_GOLD=$enableval,
311 case "${ENABLE_GOLD}" in
313 # Check for ELF target.
316 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
317 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
318 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
319 | *-*-solaris2* | *-*-nto*)
321 *-*-linux*aout* | *-*-linux*oldld*)
329 if test "$is_elf" = "yes"; then
330 # Check for target supported by gold.
332 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
333 configdirs="$configdirs gold"
334 if test x${ENABLE_GOLD} = xdefault; then
345 AC_MSG_ERROR([invalid --enable-gold argument])
350 [AS_HELP_STRING([[--enable-ld[=ARG]]],
351 [build ld @<:@ARG={default,yes,no}@:>@])],
352 ENABLE_LD=$enableval,
355 case "${ENABLE_LD}" in
357 if test x${default_ld} != x; then
358 AC_MSG_ERROR([either gold or ld can be the default ld])
364 if test x${ENABLE_GOLD} != xyes; then
365 AC_MSG_WARN([neither ld nor gold are enabled])
367 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
370 AC_MSG_ERROR([invalid --enable-ld argument])
374 # Configure extra directories which are host specific
378 configdirs="$configdirs libtermcap" ;;
381 # A target can indicate whether a language isn't supported for some reason.
382 # Only spaces may be used in this macro; not newlines or tabs.
383 unsupported_languages=
385 # Remove more programs from consideration, based on the host or
386 # target this usually means that a port of the program doesn't
390 i[[3456789]]86-*-msdosdjgpp*)
391 noconfigdirs="$noconfigdirs tcl tk itcl"
396 AC_ARG_ENABLE(libquadmath,
397 AS_HELP_STRING([--disable-libquadmath],
398 [do not build libquadmath directory]),
399 ENABLE_LIBQUADMATH=$enableval,
400 ENABLE_LIBQUADMATH=yes)
401 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
402 noconfigdirs="$noconfigdirs target-libquadmath"
406 AC_ARG_ENABLE(libquadmath-support,
407 AS_HELP_STRING([--disable-libquadmath-support],
408 [disable libquadmath support for Fortran]),
409 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
410 ENABLE_LIBQUADMATH_SUPPORT=yes)
411 enable_libquadmath_support=
412 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
413 enable_libquadmath_support=no
417 AC_ARG_ENABLE(libada,
418 [AS_HELP_STRING([--enable-libada], [build libada directory])],
419 ENABLE_LIBADA=$enableval,
421 if test "${ENABLE_LIBADA}" != "yes" ; then
422 noconfigdirs="$noconfigdirs gnattools"
425 AC_ARG_ENABLE(libssp,
426 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
427 ENABLE_LIBSSP=$enableval,
430 # Save it here so that, even in case of --enable-libgcj, if the Java
431 # front-end isn't enabled, we still get libgcj disabled.
433 case $enable_libgcj in
435 # If we reset it here, it won't get added to noconfigdirs in the
436 # target-specific build rules, so it will be forcibly enabled
437 # (unless the Java language itself isn't enabled).
441 # Make sure we get it printed in the list of not supported target libs.
442 # Don't disable libffi, though, other languages use it.
443 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
444 # Clear libgcj_saved so that even if java is enabled libffi won't be
450 AC_ARG_ENABLE(static-libjava,
451 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
452 [build static libjava @<:@default=no@:>@])],
453 ENABLE_STATIC_LIBJAVA=$enableval,
454 ENABLE_STATIC_LIBJAVA=no)
455 enable_static_libjava=
456 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
457 enable_static_libjava=yes
460 if test x$enable_static_libjava != xyes ; then
461 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
463 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
465 # Disable libmudflap on some systems.
466 if test x$enable_libmudflap = x ; then
468 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
469 # Enable libmudflap by default in GNU and friends.
472 # Enable libmudflap by default in FreeBSD.
475 # Disable it by default everywhere else.
476 noconfigdirs="$noconfigdirs target-libmudflap"
481 # Disable libgomp on non POSIX hosted systems.
482 if test x$enable_libgomp = x ; then
483 # Enable libgomp by default on hosted POSIX systems.
485 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
487 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
489 *-*-solaris2* | *-*-hpux11*)
491 *-*-darwin* | *-*-aix*)
494 noconfigdirs="$noconfigdirs target-libgomp"
499 # Disable libatomic on unsupported systems.
500 if test -d ${srcdir}/libatomic; then
501 if test x$enable_libatomic = x; then
502 AC_MSG_CHECKING([for libatomic support])
503 if (srcdir=${srcdir}/libatomic; \
504 . ${srcdir}/configure.tgt; \
505 test -n "$UNSUPPORTED")
508 noconfigdirs="$noconfigdirs target-libatomic"
515 # Disable libitm on unsupported systems.
516 if test -d ${srcdir}/libitm; then
517 if test x$enable_libitm = x; then
518 AC_MSG_CHECKING([for libitm support])
519 if (srcdir=${srcdir}/libitm; \
520 . ${srcdir}/configure.tgt; \
521 test -n "$UNSUPPORTED")
524 noconfigdirs="$noconfigdirs target-libitm"
531 # Disable libquadmath for some systems.
533 # libquadmath is unused on AIX and libquadmath build process use of
534 # LD_LIBRARY_PATH can break AIX bootstrap.
535 powerpc-*-aix* | rs6000-*-aix*)
536 noconfigdirs="$noconfigdirs target-libquadmath"
540 # Disable libssp for some systems.
543 # No hosted I/O support.
544 noconfigdirs="$noconfigdirs target-libssp"
546 powerpc-*-aix* | rs6000-*-aix*)
547 noconfigdirs="$noconfigdirs target-libssp"
550 # libssp uses a misaligned load to trigger a fault, but the RL78
551 # doesn't fault for those - instead, it gives a build-time error
552 # for explicit misaligned loads.
553 noconfigdirs="$noconfigdirs target-libssp"
557 # Disable libquadmath for some systems.
560 noconfigdirs="$noconfigdirs target-libquadmath"
564 # Disable libstdc++-v3 for some systems.
567 # VxWorks uses the Dinkumware C++ library.
568 noconfigdirs="$noconfigdirs target-libstdc++-v3"
571 # the C++ libraries don't build on top of CE's C libraries
572 noconfigdirs="$noconfigdirs target-libstdc++-v3"
575 noconfigdirs="$noconfigdirs target-libstdc++-v3"
579 # Disable Fortran for some systems.
582 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
583 unsupported_languages="$unsupported_languages fortran"
587 # Disable Java if libffi is not supported.
617 powerpc-*-aix* | rs6000-*-aix*)
621 powerpc64-*-freebsd*)
625 s390-*-* | s390x-*-*)
627 sh-*-* | sh[[34]]*-*-*)
636 unsupported_languages="$unsupported_languages java"
640 # Disable Java, libgcj or related libraries for some systems.
644 i[[3456789]]86-*-darwin*)
646 x86_64-*-darwin[[912]]*)
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 noconfigdirs="$noconfigdirs ${libgcj}"
664 noconfigdirs="$noconfigdirs ${libgcj}"
667 noconfigdirs="$noconfigdirs ${libgcj}"
670 noconfigdirs="$noconfigdirs ${libgcj}"
673 noconfigdirs="$noconfigdirs ${libgcj}"
676 noconfigdirs="$noconfigdirs target-boehm-gc"
678 cris-*-* | crisv32-*-*)
679 unsupported_languages="$unsupported_languages java"
683 *) # See PR46792 regarding target-libffi.
684 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
688 # In this case, it's because the hppa64-linux target is for
689 # the kernel only at this point and has no libc, and thus no
690 # headers, crt*.o, etc., all of which are needed by these.
691 unsupported_languages="$unsupported_languages java"
694 noconfigdirs="$noconfigdirs ${libgcj}"
699 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
700 # build on HP-UX 10.20.
701 noconfigdirs="$noconfigdirs ${libgcj}"
704 noconfigdirs="$noconfigdirs ${libgcj}"
706 i[[3456789]]86-w64-mingw*)
707 noconfigdirs="$noconfigdirs ${libgcj}"
709 i[[3456789]]86-*-mingw*)
710 noconfigdirs="$noconfigdirs ${libgcj}"
713 noconfigdirs="$noconfigdirs ${libgcj}"
716 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
719 # copied from rs6000-*-* entry
720 noconfigdirs="$noconfigdirs ${libgcj}"
723 noconfigdirs="$noconfigdirs ${libgcj}"
726 noconfigdirs="$noconfigdirs ${libgcj}"
730 # Default libgloss CPU subdirectory.
731 libgloss_dir="$target_cpu"
734 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
740 cris-*-* | crisv32-*-*)
749 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
766 # Disable newlib and libgloss for various target OSes.
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
771 i[[3456789]]86-*-linux*)
772 # This section makes it possible to build newlib natively on linux.
773 # If we are using a cross compiler then don't configure newlib.
774 if test x${is_cross_compiler} != xno ; then
775 noconfigdirs="$noconfigdirs target-newlib"
777 noconfigdirs="$noconfigdirs target-libgloss"
778 # If we are not using a cross compiler, do configure newlib.
779 # Note however, that newlib will only be configured in this situation
780 # if the --with-newlib option has been given, because otherwise
781 # 'target-newlib' will appear in skipdirs.
783 i[[3456789]]86-*-rdos*)
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
786 sh*-*-pe|mips*-*-pe|arm-wince-pe)
787 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
790 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
793 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
796 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
799 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
802 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
805 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
807 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
808 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
811 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
814 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
817 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
820 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
823 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
826 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
829 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
837 noconfigdirs="$noconfigdirs ld gas gdb gprof"
838 noconfigdirs="$noconfigdirs sim target-rda"
840 i[[3456789]]86-*-darwin*)
841 noconfigdirs="$noconfigdirs ld gprof"
842 noconfigdirs="$noconfigdirs sim target-rda"
844 x86_64-*-darwin[[912]]*)
845 noconfigdirs="$noconfigdirs ld gas gprof"
846 noconfigdirs="$noconfigdirs sim target-rda"
849 noconfigdirs="$noconfigdirs ld gas gdb gprof"
850 noconfigdirs="$noconfigdirs sim target-rda"
855 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
856 && test -f /usr/local/include/gmp.h; then
861 # Remove unsupported stuff on all kaOS configurations.
862 noconfigdirs="$noconfigdirs target-libgloss"
869 noconfigdirs="$noconfigdirs target-libgloss"
871 # The tpf target doesn't support gdb yet.
873 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
876 noconfigdirs="$noconfigdirs target-rda"
881 # ld works, but does not support shared libraries.
882 # gas doesn't generate exception information.
883 noconfigdirs="$noconfigdirs gas ld"
886 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
889 # newlib is not 64 bit ready
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
893 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
896 noconfigdirs="$noconfigdirs target-libgloss"
899 noconfigdirs="$noconfigdirs target-libgloss"
902 noconfigdirs="$noconfigdirs ld target-libgloss"
907 if test x${with_avrlibc} != xno; then
908 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
912 noconfigdirs="$noconfigdirs target-libgloss"
915 noconfigdirs="$noconfigdirs target-libgloss gdb"
918 noconfigdirs="$noconfigdirs target-libgloss"
921 noconfigdirs="$noconfigdirs gdb"
924 noconfigdirs="$noconfigdirs gdb"
927 noconfigdirs="$noconfigdirs gprof"
930 noconfigdirs="$noconfigdirs target-libgloss"
933 noconfigdirs="$noconfigdirs target-libgloss"
935 hppa1.1-*-osf* | hppa1.1-*-bsd* )
947 noconfigdirs="$noconfigdirs ld"
952 noconfigdirs="$noconfigdirs ld"
955 noconfigdirs="$noconfigdirs gdb"
958 # No gdb support yet.
959 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
963 noconfigdirs="$noconfigdirs libgui itcl ld"
967 noconfigdirs="$noconfigdirs libgui itcl ld"
969 i[[3456789]]86-w64-mingw*)
971 i[[3456789]]86-*-mingw*)
972 target_configdirs="$target_configdirs target-winsup"
975 target_configdirs="$target_configdirs target-libtermcap target-winsup"
976 noconfigdirs="$noconfigdirs target-libgloss"
977 # always build newlib if winsup directory is present.
978 if test -d "$srcdir/winsup/cygwin"; then
979 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
980 elif test -d "$srcdir/newlib"; then
981 echo "Warning: winsup/cygwin is missing so newlib can't be built."
985 noconfigdirs="$noconfigdirs target-libgloss"
987 i[[3456789]]86-*-sco3.2v5*)
988 # The linker does not yet know about weak symbols in COFF,
989 # and is not configured to handle mixed ELF and COFF.
990 noconfigdirs="$noconfigdirs ld target-libgloss"
992 i[[3456789]]86-*-sco*)
993 noconfigdirs="$noconfigdirs gprof target-libgloss"
995 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
996 noconfigdirs="$noconfigdirs target-libgloss"
998 i[[3456789]]86-*-sysv4*)
999 noconfigdirs="$noconfigdirs target-libgloss"
1001 i[[3456789]]86-*-beos*)
1002 noconfigdirs="$noconfigdirs gdb"
1004 i[[3456789]]86-*-rdos*)
1005 noconfigdirs="$noconfigdirs gdb"
1008 noconfigdirs="$noconfigdirs gdb"
1011 noconfigdirs="$noconfigdirs sim"
1014 # copied from rs6000-*-* entry
1015 noconfigdirs="$noconfigdirs gprof"
1017 powerpc*-*-winnt* | powerpc*-*-pe*)
1018 target_configdirs="$target_configdirs target-winsup"
1019 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1020 # always build newlib.
1021 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1023 # This is temporary until we can link against shared libraries
1024 powerpcle-*-solaris*)
1025 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1028 noconfigdirs="$noconfigdirs gdb"
1031 noconfigdirs="$noconfigdirs gprof"
1034 noconfigdirs="$noconfigdirs gprof"
1037 noconfigdirs="$noconfigdirs gprof"
1040 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1043 noconfigdirs="$noconfigdirs gprof"
1045 mips*-sde-elf* | mips*-mti-elf*)
1046 if test x$with_newlib = xyes; then
1047 noconfigdirs="$noconfigdirs gprof"
1051 noconfigdirs="$noconfigdirs gprof target-libgloss"
1054 noconfigdirs="$noconfigdirs gprof target-libgloss"
1057 noconfigdirs="$noconfigdirs gprof target-libgloss"
1062 noconfigdirs="$noconfigdirs gprof"
1069 noconfigdirs="$noconfigdirs target-libgloss" ;;
1073 if test x${is_cross_compiler} = xno ; then
1078 noconfigdirs="$noconfigdirs sim"
1080 tilepro-*-* | tilegx-*-*)
1081 noconfigdirs="$noconfigdirs sim"
1084 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1087 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1091 # If we aren't building newlib, then don't build libgloss, since libgloss
1092 # depends upon some newlib header files.
1093 case "${noconfigdirs}" in
1094 *target-libgloss*) ;;
1095 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1098 # Work in distributions that contain no compiler tools, like Autoconf.
1099 host_makefile_frag=/dev/null
1100 if test -d ${srcdir}/config ; then
1102 i[[3456789]]86-*-msdosdjgpp*)
1103 host_makefile_frag="config/mh-djgpp"
1106 ACX_CHECK_CYGWIN_CAT_WORKS
1107 host_makefile_frag="config/mh-cygwin"
1110 host_makefile_frag="config/mh-mingw"
1113 host_makefile_frag="config/mh-pa-hpux10"
1116 host_makefile_frag="config/mh-pa"
1119 host_makefile_frag="config/mh-pa"
1122 host_makefile_frag="config/mh-darwin"
1125 host_makefile_frag="config/mh-ppc-aix"
1128 host_makefile_frag="config/mh-ppc-aix"
1133 if test "${build}" != "${host}" ; then
1134 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1135 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1136 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1137 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1138 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1139 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1140 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1141 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1142 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1143 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1144 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1145 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1146 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1148 AR_FOR_BUILD="\$(AR)"
1149 AS_FOR_BUILD="\$(AS)"
1150 CC_FOR_BUILD="\$(CC)"
1151 CXX_FOR_BUILD="\$(CXX)"
1152 GCJ_FOR_BUILD="\$(GCJ)"
1153 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1154 GOC_FOR_BUILD="\$(GOC)"
1155 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1156 LD_FOR_BUILD="\$(LD)"
1157 NM_FOR_BUILD="\$(NM)"
1158 RANLIB_FOR_BUILD="\$(RANLIB)"
1159 WINDRES_FOR_BUILD="\$(WINDRES)"
1160 WINDMC_FOR_BUILD="\$(WINDMC)"
1166 # We must set the default linker to the linker used by gcc for the correct
1167 # operation of libtool. If LD is not defined and we are using gcc, try to
1168 # set the LD default to the ld used by gcc.
1169 if test -z "$LD"; then
1170 if test "$GCC" = yes; then
1173 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1175 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1177 case $gcc_prog_ld in
1178 # Accept absolute paths.
1179 [[\\/]* | [A-Za-z]:[\\/]*)]
1180 LD="$gcc_prog_ld" ;;
1185 # Check whether -static-libstdc++ -static-libgcc is supported.
1187 if test "$GCC" = yes; then
1188 saved_LDFLAGS="$LDFLAGS"
1190 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1191 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1193 AC_LINK_IFELSE([int main() {}],
1194 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1195 [AC_MSG_RESULT([no])])
1198 LDFLAGS="$saved_LDFLAGS"
1202 ACX_PROG_CMP_IGNORE_INITIAL
1204 AC_ARG_ENABLE([bootstrap],
1205 [AS_HELP_STRING([--enable-bootstrap],
1206 [enable bootstrapping @<:@yes if native build@:>@])],,
1207 enable_bootstrap=default)
1209 # Issue errors and warnings for invalid/strange bootstrap combinations.
1210 if test -r $srcdir/gcc/configure; then
1216 case "$have_compiler:$host:$target:$enable_bootstrap" in
1219 # Default behavior. Enable bootstrap if we have a compiler
1220 # and we are in a native configuration.
1221 yes:$build:$build:default)
1222 enable_bootstrap=yes ;;
1225 enable_bootstrap=no ;;
1227 # We have a compiler and we are in a native configuration, bootstrap is ok
1228 yes:$build:$build:yes)
1231 # Other configurations, but we have a compiler. Assume the user knows
1234 AC_MSG_WARN([trying to bootstrap a cross compiler])
1237 # No compiler: if they passed --enable-bootstrap explicitly, fail
1239 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1241 # Fail if wrong command line
1243 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1247 # Used for setting $lt_cv_objdir
1250 # Check for GMP, MPFR and MPC
1251 gmplibs="-lmpc -lmpfr -lgmp"
1255 # Specify a location for mpc
1256 # check for this first so it ends up on the link line before mpfr.
1258 [AS_HELP_STRING([--with-mpc=PATH],
1259 [specify prefix directory for installed MPC package.
1260 Equivalent to --with-mpc-include=PATH/include
1261 plus --with-mpc-lib=PATH/lib])])
1262 AC_ARG_WITH(mpc-include,
1263 [AS_HELP_STRING([--with-mpc-include=PATH],
1264 [specify directory for installed MPC include files])])
1265 AC_ARG_WITH(mpc-lib,
1266 [AS_HELP_STRING([--with-mpc-lib=PATH],
1267 [specify directory for the installed MPC library])])
1269 if test "x$with_mpc" != x; then
1270 gmplibs="-L$with_mpc/lib $gmplibs"
1271 gmpinc="-I$with_mpc/include $gmpinc"
1273 if test "x$with_mpc_include" != x; then
1274 gmpinc="-I$with_mpc_include $gmpinc"
1276 if test "x$with_mpc_lib" != x; then
1277 gmplibs="-L$with_mpc_lib $gmplibs"
1279 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1280 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1281 gmpinc='-I$$s/mpc/src '"$gmpinc"
1282 # Do not test the mpc version. Assume that it is sufficient, since
1283 # it is in the source tree, and the library has not been built yet
1284 # but it would be included on the link line in the version check below
1285 # hence making the test fail.
1289 # Specify a location for mpfr
1290 # check for this first so it ends up on the link line before gmp.
1291 AC_ARG_WITH(mpfr-dir,
1292 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1293 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1294 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1297 [AS_HELP_STRING([--with-mpfr=PATH],
1298 [specify prefix directory for installed MPFR package.
1299 Equivalent to --with-mpfr-include=PATH/include
1300 plus --with-mpfr-lib=PATH/lib])])
1301 AC_ARG_WITH(mpfr-include,
1302 [AS_HELP_STRING([--with-mpfr-include=PATH],
1303 [specify directory for installed MPFR include files])])
1304 AC_ARG_WITH(mpfr-lib,
1305 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1306 [specify directory for the installed MPFR library])])
1308 if test "x$with_mpfr" != x; then
1309 gmplibs="-L$with_mpfr/lib $gmplibs"
1310 gmpinc="-I$with_mpfr/include $gmpinc"
1312 if test "x$with_mpfr_include" != x; then
1313 gmpinc="-I$with_mpfr_include $gmpinc"
1315 if test "x$with_mpfr_lib" != x; then
1316 gmplibs="-L$with_mpfr_lib $gmplibs"
1318 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1319 # MPFR v3.1.0 moved the sources into a src sub-directory.
1320 if test -d ${srcdir}/mpfr/src; then
1321 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1322 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1323 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1325 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1326 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1327 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1329 # Do not test the mpfr version. Assume that it is sufficient, since
1330 # it is in the source tree, and the library has not been built yet
1331 # but it would be included on the link line in the version check below
1332 # hence making the test fail.
1336 # Specify a location for gmp
1337 AC_ARG_WITH(gmp-dir,
1338 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1339 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1340 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1343 [AS_HELP_STRING([--with-gmp=PATH],
1344 [specify prefix directory for the installed GMP package.
1345 Equivalent to --with-gmp-include=PATH/include
1346 plus --with-gmp-lib=PATH/lib])])
1347 AC_ARG_WITH(gmp-include,
1348 [AS_HELP_STRING([--with-gmp-include=PATH],
1349 [specify directory for installed GMP include files])])
1350 AC_ARG_WITH(gmp-lib,
1351 [AS_HELP_STRING([--with-gmp-lib=PATH],
1352 [specify directory for the installed GMP library])])
1355 if test "x$with_gmp" != x; then
1356 gmplibs="-L$with_gmp/lib $gmplibs"
1357 gmpinc="-I$with_gmp/include $gmpinc"
1359 if test "x$with_gmp_include" != x; then
1360 gmpinc="-I$with_gmp_include $gmpinc"
1362 if test "x$with_gmp_lib" != x; then
1363 gmplibs="-L$with_gmp_lib $gmplibs"
1365 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1366 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1367 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1368 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1369 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1370 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1371 # Do not test the gmp version. Assume that it is sufficient, since
1372 # it is in the source tree, and the library has not been built yet
1373 # but it would be included on the link line in the version check below
1374 # hence making the test fail.
1378 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1380 saved_CFLAGS="$CFLAGS"
1381 CFLAGS="$CFLAGS $gmpinc"
1382 # Check for the recommended and required versions of GMP.
1383 AC_MSG_CHECKING([for the correct version of gmp.h])
1384 AC_TRY_COMPILE([#include "gmp.h"],[
1385 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1386 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1387 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1390 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1391 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1392 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1393 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1396 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1397 [AC_MSG_RESULT([no]); have_gmp=no])
1399 # If we have GMP, check the MPFR version.
1400 if test x"$have_gmp" = xyes; then
1401 # Check for the recommended and required versions of MPFR.
1402 AC_MSG_CHECKING([for the correct version of mpfr.h])
1403 AC_TRY_COMPILE([#include <gmp.h>
1404 #include <mpfr.h>],[
1405 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1408 ], [AC_TRY_COMPILE([#include <gmp.h>
1409 #include <mpfr.h>],[
1410 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1413 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1414 [AC_MSG_RESULT([no]); have_gmp=no])
1417 # Check for the MPC header version.
1418 if test x"$have_gmp" = xyes ; then
1419 # Check for the recommended and required versions of MPC.
1420 AC_MSG_CHECKING([for the correct version of mpc.h])
1421 AC_TRY_COMPILE([#include <mpc.h>],[
1422 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1425 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1426 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1429 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1430 [AC_MSG_RESULT([no]); have_gmp=no])
1433 # Now check the MPFR library.
1434 if test x"$have_gmp" = xyes; then
1436 LIBS="$LIBS $gmplibs"
1437 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1438 AC_TRY_LINK([#include <mpc.h>],[
1445 mpfr_atan2 (n, n, x, GMP_RNDN);
1446 mpfr_erfc (n, x, GMP_RNDN);
1447 mpfr_subnormalize (x, t, GMP_RNDN);
1451 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1452 mpc_cosh (c, c, MPC_RNDNN);
1453 mpc_pow (c, c, c, MPC_RNDNN);
1454 mpc_acosh (c, c, MPC_RNDNN);
1456 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1460 CFLAGS="$saved_CFLAGS"
1462 # The library versions listed in the error message below should match
1463 # the HARD-minimums enforced above.
1464 if test x$have_gmp != xyes; then
1465 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1466 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1467 their locations. Source code for these libraries can be found at
1468 their respective hosting sites as well as at
1469 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1470 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1471 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1472 make sure that you have installed both the libraries and the header
1473 files. They may be located in separate packages.])
1477 # Flags needed for both GMP, MPFR and/or MPC.
1480 AC_SUBST(extra_mpfr_configure_flags)
1481 AC_SUBST(extra_mpc_gmp_configure_flags)
1482 AC_SUBST(extra_mpc_mpfr_configure_flags)
1483 AC_SUBST(extra_isl_gmp_configure_flags)
1485 # Allow host libstdc++ to be specified for static linking with PPL.
1486 AC_ARG_WITH(host-libstdcxx,
1487 [AS_HELP_STRING([--with-host-libstdcxx=L],
1488 [use linker arguments L to link with libstdc++
1489 when linking with PPL])])
1491 case $with_host_libstdcxx in
1493 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1497 # Libraries to use for stage1 or when not bootstrapping.
1498 AC_ARG_WITH(stage1-libs,
1499 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1500 [if test "$withval" = "no" -o "$withval" = "yes"; then
1503 stage1_libs=$withval
1505 [stage1_libs=$with_host_libstdcxx])
1506 AC_SUBST(stage1_libs)
1508 # Linker flags to use for stage1 or when not bootstrapping.
1509 AC_ARG_WITH(stage1-ldflags,
1510 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1511 [if test "$withval" = "no" -o "$withval" = "yes"; then
1514 stage1_ldflags=$withval
1517 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1518 # if supported. But if the user explicitly specified the libraries to use,
1519 # trust that they are doing what they want.
1520 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1521 stage1_ldflags="-static-libstdc++ -static-libgcc"
1523 AC_SUBST(stage1_ldflags)
1525 # Libraries to use for stage2 and later builds. This defaults to the
1526 # argument passed to --with-host-libstdcxx.
1527 AC_ARG_WITH(boot-libs,
1528 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1529 [if test "$withval" = "no" -o "$withval" = "yes"; then
1532 poststage1_libs=$withval
1534 [poststage1_libs=$with_host_libstdcxx])
1535 AC_SUBST(poststage1_libs)
1537 # Linker flags to use for stage2 and later builds.
1538 AC_ARG_WITH(boot-ldflags,
1539 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1540 [linker flags for stage2 and later])],
1541 [if test "$withval" = "no" -o "$withval" = "yes"; then
1544 poststage1_ldflags=$withval
1546 [poststage1_ldflags=
1547 # In stages 2 and 3, default to linking libstdc++ and libgcc
1548 # statically. But if the user explicitly specified the libraries to
1549 # use, trust that they are doing what they want.
1550 if test "$poststage1_libs" = ""; then
1551 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1553 AC_SUBST(poststage1_ldflags)
1555 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1556 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1561 [--with-cloog=PATH],
1562 [Specify prefix directory for the installed CLooG-ISL package.
1563 Equivalent to --with-cloog-include=PATH/include
1564 plus --with-cloog-lib=PATH/lib])])
1568 [Specify prefix directory for the installed ISL package.
1569 Equivalent to --with-isl-include=PATH/include
1570 plus --with-isl-lib=PATH/lib])])
1572 # Treat either --without-cloog or --without-isl as a request to disable
1573 # GRAPHITE support and skip all following checks.
1574 if test "x$with_isl" != "xno" &&
1575 test "x$with_cloog" != "xno"; then
1577 dnl Provide configure switches and initialize islinc & isllibs
1578 dnl with user input.
1580 dnl The minimal version of ISL required for Graphite.
1581 ISL_CHECK_VERSION(0,10)
1582 dnl Only execute fail-action, if ISL has been requested.
1584 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1586 if test "x$gcc_cv_isl" != "xno"; then
1588 dnl Provide configure switches and initialize clooginc & clooglibs
1589 dnl with user input.
1591 dnl The minimal version of CLooG required for Graphite.
1593 dnl If we use CLooG-Legacy, the provided version information is
1595 CLOOG_CHECK_VERSION(0,17,0)
1597 dnl Only execute fail-action, if CLooG has been requested.
1599 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1603 # If either the ISL or the CLooG check failed, disable builds of in-tree
1605 if test "x$with_isl" = xno ||
1606 test "x$with_cloog" = xno ||
1607 test "x$gcc_cv_cloog" = xno ||
1608 test "x$gcc_cv_isl" = xno; then
1609 noconfigdirs="$noconfigdirs cloog isl"
1620 # Check for LTO support.
1622 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1623 enable_lto=$enableval,
1624 enable_lto=yes; default_enable_lto=yes)
1626 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1627 build_lto_plugin=yes
1628 ],[if test x"$default_enable_lto" = x"yes" ; then
1630 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1631 # On other non-ELF platforms, LTO has yet to be validated.
1635 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1636 # It would also be nice to check the binutils support, but we don't
1637 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1638 # warn during gcc/ subconfigure; unless you're bootstrapping with
1639 # -flto it won't be needed until after installation anyway.
1641 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1642 *) if test x"$enable_lto" = x"yes"; then
1643 AC_MSG_ERROR([LTO support is not enabled for this target.])
1648 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1649 # Build it unless LTO was explicitly disabled.
1651 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1657 # By default, C and C++ are the only stage 1 languages.
1658 stage1_languages=,c,
1660 # Target libraries that we bootstrap.
1661 bootstrap_target_libs=,target-libgcc,
1663 # Figure out what language subdirectories are present.
1664 # Look if the user specified --enable-languages="..."; if not, use
1665 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1667 # NB: embedded tabs in this IF block -- do not untabify
1668 if test -d ${srcdir}/gcc; then
1669 if test x"${enable_languages+set}" != xset; then
1670 if test x"${LANGUAGES+set}" = xset; then
1671 enable_languages="${LANGUAGES}"
1672 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1674 enable_languages=all
1677 if test x"${enable_languages}" = x ||
1678 test x"${enable_languages}" = xyes;
1680 echo configure.in: --enable-languages needs at least one language argument 1>&2
1684 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1686 # 'f95' is the old name for the 'fortran' language. We issue a warning
1687 # and make the substitution.
1688 case ,${enable_languages}, in
1690 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1691 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1695 # If bootstrapping, C++ must be enabled.
1696 case ",$enable_languages,:$enable_bootstrap" in
1699 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1700 enable_languages="${enable_languages},c++"
1702 AC_MSG_ERROR([bootstrapping requires c++ sources])
1707 # First scan to see if an enabled language requires some other language.
1708 # We assume that a given config-lang.in will list all the language
1709 # front ends it requires, even if some are required indirectly.
1710 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1711 case ${lang_frag} in
1713 # The odd quoting in the next line works around
1714 # an apparent bug in bash 1.12 on linux.
1715 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1717 # From the config-lang.in, get $language, $lang_requires, and
1718 # $lang_requires_boot_languages.
1721 lang_requires_boot_languages=
1723 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1724 case ,${enable_languages}, in
1728 echo " \`$other' language required by \`$language'; enabling" 1>&2
1729 enable_languages="${enable_languages},${other}"
1733 for other in ${lang_requires_boot_languages} ; do
1734 if test "$other" != "c"; then
1735 case ,${enable_stage1_languages}, in
1739 case ,${enable_languages}, in
1741 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1742 enable_stage1_languages="$enable_stage1_languages,${other}"
1753 new_enable_languages=,c,
1755 # If LTO is enabled, add the LTO front end.
1756 extra_host_libiberty_configure_flags=
1757 if test "$enable_lto" = "yes" ; then
1758 case ,${enable_languages}, in
1760 *) enable_languages="${enable_languages},lto" ;;
1762 if test "${build_lto_plugin}" = "yes" ; then
1763 configdirs="$configdirs lto-plugin"
1764 extra_host_libiberty_configure_flags=--enable-shared
1767 AC_SUBST(extra_host_libiberty_configure_flags)
1769 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1770 potential_languages=,c,
1772 enabled_target_libs=
1773 disabled_target_libs=
1775 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1776 case ${lang_frag} in
1778 # The odd quoting in the next line works around
1779 # an apparent bug in bash 1.12 on linux.
1780 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1782 # From the config-lang.in, get $language, $target_libs,
1783 # $lang_dirs, $boot_language, and $build_by_default
1789 build_by_default=yes
1791 if test x${language} = x; then
1792 echo "${lang_frag} doesn't set \$language." 1>&2
1796 if test "$language" = "c++"; then
1801 case ,${enable_languages}, in
1803 # Language was explicitly selected; include it
1804 # unless it is C, which is enabled by default.
1805 if test "$language" != "c"; then
1810 # 'all' was selected, select it if it is a default language
1811 if test "$language" != "c"; then
1812 add_this_lang=${build_by_default}
1817 # Disable languages that need other directories if these aren't available.
1818 for i in $subdir_requires; do
1819 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1820 case ,${enable_languages}, in
1822 # Specifically requested language; tell them.
1823 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1827 add_this_lang=unsupported
1832 # Disable Ada if no preexisting GNAT is available.
1833 case ,${enable_languages},:${language}:${have_gnat} in
1834 *,${language},*:ada:no)
1835 # Specifically requested language; tell them.
1836 AC_MSG_ERROR([GNAT is required to build $language])
1840 add_this_lang=unsupported
1844 # Disable a language that is unsupported by the target.
1845 case " $unsupported_languages " in
1847 add_this_lang=unsupported
1851 case $add_this_lang in
1853 # Remove language-dependent dirs.
1854 disabled_target_libs="$disabled_target_libs $target_libs"
1855 noconfigdirs="$noconfigdirs $lang_dirs"
1858 # Remove language-dependent dirs; still show language as supported.
1859 disabled_target_libs="$disabled_target_libs $target_libs"
1860 noconfigdirs="$noconfigdirs $lang_dirs"
1861 potential_languages="${potential_languages}${language},"
1864 new_enable_languages="${new_enable_languages}${language},"
1865 potential_languages="${potential_languages}${language},"
1866 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1867 enabled_target_libs="$enabled_target_libs $target_libs"
1868 case "${boot_language}:,$enable_stage1_languages," in
1869 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1870 # Add to (comma-separated) list of stage 1 languages.
1871 case ",$stage1_languages," in
1872 *,$language,* | ,yes, | ,all,) ;;
1873 *) stage1_languages="${stage1_languages}${language}," ;;
1875 # We need to bootstrap any supporting libraries.
1876 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1885 # Add target libraries which are only needed for disabled languages
1887 if test -n "$disabled_target_libs"; then
1888 for dir in $disabled_target_libs; do
1889 case " $enabled_target_libs " in
1891 *) noconfigdirs="$noconfigdirs $dir" ;;
1896 AC_ARG_ENABLE(stage1-languages,
1897 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1898 [choose additional languages to build during
1899 stage1. Mostly useful for compiler development])],
1900 [case ,${enable_stage1_languages}, in
1902 # Set it to something that will have no effect in the loop below
1903 enable_stage1_languages=c ;;
1905 enable_stage1_languages=`echo $new_enable_languages | \
1906 sed -e "s/^,//" -e "s/,$//" ` ;;
1908 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1909 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1912 # Add "good" languages from enable_stage1_languages to stage1_languages,
1913 # while "bad" languages go in missing_languages. Leave no duplicates.
1914 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1915 case $potential_languages in
1917 case $stage1_languages in
1919 *) stage1_languages="$stage1_languages$i," ;;
1922 case $missing_languages in
1924 *) missing_languages="$missing_languages$i," ;;
1929 # Remove leading/trailing commas that were added for simplicity
1930 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1931 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1932 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1933 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1935 if test "x$missing_languages" != x; then
1937 The following requested languages could not be built: ${missing_languages}
1938 Supported languages are: ${potential_languages}])
1940 if test "x$new_enable_languages" != "x$enable_languages"; then
1941 echo The following languages will be built: ${new_enable_languages}
1942 enable_languages="$new_enable_languages"
1945 AC_SUBST(stage1_languages)
1946 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1949 # Handle --disable-<component> generically.
1950 for dir in $configdirs $build_configdirs $target_configdirs ; do
1951 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1952 varname=`echo $dirname | sed -e s/+/_/g`
1953 if eval test x\${enable_${varname}} "=" xno ; then
1954 noconfigdirs="$noconfigdirs $dir"
1958 # Check for Boehm's garbage collector
1959 AC_ARG_ENABLE(objc-gc,
1960 [AS_HELP_STRING([--enable-objc-gc],
1961 [enable use of Boehm's garbage collector with the
1962 GNU Objective-C runtime])],
1963 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1964 *,objc,*:*:yes:*target-boehm-gc*)
1965 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1969 # Make sure we only build Boehm's garbage collector if required.
1970 case ,${enable_languages},:${enable_objc_gc} in
1972 # Keep target-boehm-gc if requested for Objective-C.
1975 # Otherwise remove target-boehm-gc depending on target-libjava.
1976 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1977 noconfigdirs="$noconfigdirs target-boehm-gc"
1982 # Disable libitm if we're not building C++
1983 case ,${enable_languages}, in
1986 noconfigdirs="$noconfigdirs target-libitm"
1990 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1991 # $build_configdirs and $target_configdirs.
1992 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1995 for dir in . $skipdirs $noconfigdirs ; do
1996 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1997 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1998 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1999 if test -r $srcdir/$dirname/configure ; then
2000 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2003 notsupp="$notsupp $dir"
2007 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2008 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2009 if test -r $srcdir/$dirname/configure ; then
2010 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2013 notsupp="$notsupp $dir"
2017 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2018 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2019 if test -r $srcdir/$dirname/configure ; then
2020 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2023 notsupp="$notsupp $dir"
2029 # Quietly strip out all directories which aren't configurable in this tree.
2030 # This relies on all configurable subdirectories being autoconfiscated, which
2032 build_configdirs_all="$build_configdirs"
2034 for i in ${build_configdirs_all} ; do
2035 j=`echo $i | sed -e s/build-//g`
2036 if test -f ${srcdir}/$j/configure ; then
2037 build_configdirs="${build_configdirs} $i"
2041 configdirs_all="$configdirs"
2043 for i in ${configdirs_all} ; do
2044 if test -f ${srcdir}/$i/configure ; then
2045 configdirs="${configdirs} $i"
2049 target_configdirs_all="$target_configdirs"
2051 for i in ${target_configdirs_all} ; do
2052 j=`echo $i | sed -e s/target-//g`
2053 if test -f ${srcdir}/$j/configure ; then
2054 target_configdirs="${target_configdirs} $i"
2058 # Produce a warning message for the subdirs we can't configure.
2059 # This isn't especially interesting in the Cygnus tree, but in the individual
2060 # FSF releases, it's important to let people know when their machine isn't
2061 # supported by the one or two programs in a package.
2063 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2064 # If $appdirs is non-empty, at least one of those directories must still
2065 # be configured, or we error out. (E.g., if the gas release supports a
2066 # specified target in some subdirs but not the gas subdir, we shouldn't
2067 # pretend that all is well.)
2068 if test -n "$appdirs" ; then
2069 for dir in $appdirs ; do
2070 if test -r $dir/Makefile.in ; then
2071 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2075 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2081 if test -n "$appdirs" ; then
2082 echo "*** This configuration is not supported by this package." 1>&2
2086 # Okay, some application will build, or we don't care to check. Still
2087 # notify of subdirs not getting built.
2088 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2089 echo " ${notsupp}" 1>&2
2090 echo " (Any other directories should still work fine.)" 1>&2
2098 # To find our prefix, in gcc_cv_tool_prefix.
2103 AC_ARG_WITH([build-sysroot],
2104 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2105 [use sysroot as the system root during the build])],
2106 [if test x"$withval" != x ; then
2107 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2109 [SYSROOT_CFLAGS_FOR_TARGET=])
2110 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2112 AC_ARG_WITH([debug-prefix-map],
2113 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2114 [map A to B, C to D ... in debug information])],
2115 [if test x"$withval" != x; then
2116 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2117 for debug_map in $withval; do
2118 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2121 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2122 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2124 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2125 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2126 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2127 # We want to ensure that TARGET libraries (which we know are built with
2128 # gcc) are built with "-O2 -g", so include those options when setting
2129 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2130 if test "x$CFLAGS_FOR_TARGET" = x; then
2131 CFLAGS_FOR_TARGET=$CFLAGS
2134 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2137 *" -g "* | *" -g3 "*) ;;
2138 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2141 AC_SUBST(CFLAGS_FOR_TARGET)
2143 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2144 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2145 case " $CXXFLAGS " in
2147 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2149 case " $CXXFLAGS " in
2150 *" -g "* | *" -g3 "*) ;;
2151 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2154 AC_SUBST(CXXFLAGS_FOR_TARGET)
2156 AC_SUBST(LDFLAGS_FOR_TARGET)
2158 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2159 # the named directory are copied to $(tooldir)/sys-include.
2160 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2161 if test x${is_cross_compiler} = xno ; then
2162 echo 1>&2 '***' --with-headers is only supported when cross compiling
2165 if test x"${with_headers}" != xyes ; then
2166 x=${gcc_cv_tool_prefix}
2167 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2171 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2172 # the name directories are copied to $(tooldir)/lib. Multiple directories
2174 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2175 if test x${is_cross_compiler} = xno ; then
2176 echo 1>&2 '***' --with-libs is only supported when cross compiling
2179 if test x"${with_libs}" != xyes ; then
2180 # Copy the libraries in reverse order, so that files in the first named
2181 # library override files in subsequent libraries.
2182 x=${gcc_cv_tool_prefix}
2183 for l in ${with_libs}; do
2184 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2189 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2191 # This is done by determining whether or not the appropriate directory
2192 # is available, and by checking whether or not specific configurations
2193 # have requested that this magic not happen.
2195 # The command line options always override the explicit settings in
2196 # configure.in, and the settings in configure.in override this magic.
2198 # If the default for a toolchain is to use GNU as and ld, and you don't
2199 # want to do that, then you should use the --without-gnu-as and
2200 # --without-gnu-ld options for the configure script. Similarly, if
2201 # the default is to use the included zlib and you don't want to do that,
2202 # you should use the --with-system-zlib option for the configure script.
2204 if test x${use_gnu_as} = x &&
2205 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2207 extra_host_args="$extra_host_args --with-gnu-as"
2210 if test x${use_gnu_ld} = x &&
2211 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2213 extra_host_args="$extra_host_args --with-gnu-ld"
2216 if test x${use_included_zlib} = x &&
2217 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2220 with_system_zlib=yes
2221 extra_host_args="$extra_host_args --with-system-zlib"
2224 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2225 # can detect this case.
2227 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2229 extra_host_args="$extra_host_args --with-newlib"
2232 # Handle ${copy_dirs}
2233 set fnord ${copy_dirs}
2235 while test $# != 0 ; do
2236 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2239 echo Copying $1 to $2
2241 # Use the install script to create the directory and all required
2242 # parent directories.
2243 if test -d $2 ; then
2247 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2250 # Copy the directory, assuming we have tar.
2251 # FIXME: Should we use B in the second tar? Not all systems support it.
2252 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2254 # It is the responsibility of the user to correctly adjust all
2255 # symlinks. If somebody can figure out how to handle them correctly
2256 # here, feel free to add the code.
2263 # Determine a target-dependent exec_prefix that the installed
2264 # gcc will search in. Keep this list sorted by triplet, with
2265 # the *-*-osname triplets last.
2268 i[[34567]]86-pc-msdosdjgpp*)
2269 md_exec_prefix=/dev/env/DJDIR/bin
2274 md_exec_prefix=/usr/ccs/bin
2278 extra_arflags_for_target=
2279 extra_nmflags_for_target=
2280 extra_ranlibflags_for_target=
2281 target_makefile_frag=/dev/null
2284 target_makefile_frag="config/mt-spu"
2286 mips*-sde-elf* | mips*-mti-elf*)
2287 target_makefile_frag="config/mt-sde"
2289 mipsisa*-*-elfoabi*)
2290 target_makefile_frag="config/mt-mips-elfoabi"
2292 mips*-*-*linux* | mips*-*-gnu*)
2293 target_makefile_frag="config/mt-mips-gnu"
2295 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2296 target_makefile_frag="config/mt-gnu"
2298 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2299 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2300 # commands to handle both 32-bit and 64-bit objects. These flags are
2301 # harmless if we're using GNU nm or ar.
2302 extra_arflags_for_target=" -X32_64"
2303 extra_nmflags_for_target=" -B -X32_64"
2307 alphaieee_frag=/dev/null
2310 # This just makes sure to use the -mieee option to build target libs.
2311 # This should probably be set individually by each library.
2312 alphaieee_frag="config/mt-alphaieee"
2316 # If --enable-target-optspace always use -Os instead of -O2 to build
2317 # the target libraries, similarly if it is not specified, use -Os
2318 # on selected platforms.
2319 ospace_frag=/dev/null
2320 case "${enable_target_optspace}:${target}" in
2322 ospace_frag="config/mt-ospace"
2325 ospace_frag="config/mt-d30v"
2327 :m32r-* | :d10v-* | :fr30-*)
2328 ospace_frag="config/mt-ospace"
2333 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2337 # Some systems (e.g., one of the i386-aix systems the gas testers are
2338 # using) don't handle "\$" correctly, so don't use it here.
2339 tooldir='${exec_prefix}'/${target_noncanonical}
2340 build_tooldir=${tooldir}
2342 # Create a .gdbinit file which runs the one in srcdir
2343 # and tells GDB to look there for source files.
2345 if test -r ${srcdir}/.gdbinit ; then
2348 *) cat > ./.gdbinit <<EOF
2352 source ${srcdir}/.gdbinit
2358 # Make sure that the compiler is able to generate an executable. If it
2359 # can't, we are probably in trouble. We don't care whether we can run the
2360 # executable--we might be using a cross compiler--we only care whether it
2361 # can be created. At this point the main configure script has set CC.
2363 echo "int main () { return 0; }" > conftest.c
2364 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2365 if test $? = 0 ; then
2366 if test -s conftest || test -s conftest.exe ; then
2372 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2373 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2380 # Decide which environment variable is used to find dynamic libraries.
2382 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2383 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2384 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2385 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2388 # On systems where the dynamic library environment variable is PATH,
2389 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2390 # built executables to PATH.
2391 if test "$RPATH_ENVVAR" = PATH; then
2392 GCC_SHLIB_SUBDIR=/shlib
2397 # Record target_configdirs and the configure arguments for target and
2398 # build configuration in Makefile.
2399 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2400 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2402 # If we are building libgomp, bootstrap it.
2403 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2404 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2407 # Determine whether gdb needs tk/tcl or not.
2408 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2409 # and in that case we want gdb to be built without tk. Ugh!
2410 # In fact I believe gdb is the *only* package directly dependent on tk,
2411 # so we should be able to put the 'maybe's in unconditionally and
2412 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2413 # 100% sure that that's safe though.
2415 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2416 case "$enable_gdbtk" in
2420 GDB_TK="${gdb_tk}" ;;
2422 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2423 # distro. Eventually someone will fix this and move Insight, nee
2424 # gdbtk to a separate directory.
2425 if test -d ${srcdir}/gdb/gdbtk ; then
2432 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2433 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2435 # Strip out unwanted targets.
2437 # While at that, we remove Makefiles if we were started for recursive
2438 # configuration, so that the top-level Makefile reconfigures them,
2439 # like we used to do when configure itself was recursive.
2441 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2442 # but now we're fixing up the Makefile ourselves with the additional
2443 # commands passed to AC_CONFIG_FILES. Use separate variables
2444 # extrasub-{build,host,target} not because there is any reason to split
2445 # the substitutions up that way, but only to remain below the limit of
2446 # 99 commands in a script, for HP-UX sed.
2447 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2449 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2450 yes:yes:*\ gold\ *:*,c++,*) ;;
2451 yes:yes:*\ gold\ *:*)
2452 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2456 # Adjust the toplevel makefile according to whether bootstrap was selected.
2457 case $enable_bootstrap in
2459 bootstrap_suffix=bootstrap
2460 BUILD_CONFIG=bootstrap-debug
2463 bootstrap_suffix=no-bootstrap
2468 AC_MSG_CHECKING(for default BUILD_CONFIG)
2470 AC_ARG_WITH([build-config],
2471 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2472 [use config/NAME.mk build configuration])],
2473 [case $with_build_config in
2474 yes) with_build_config= ;;
2475 no) with_build_config= BUILD_CONFIG= ;;
2478 if test "x${with_build_config}" != x; then
2479 BUILD_CONFIG=$with_build_config
2481 case $BUILD_CONFIG in
2483 if echo "int f (void) { return 0; }" > conftest.c &&
2484 ${CC} -c conftest.c &&
2485 mv conftest.o conftest.o.g0 &&
2486 ${CC} -c -g conftest.c &&
2487 mv conftest.o conftest.o.g &&
2488 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2493 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2497 AC_MSG_RESULT($BUILD_CONFIG)
2498 AC_SUBST(BUILD_CONFIG)
2501 for module in ${build_configdirs} ; do
2502 if test -z "${no_recursion}" \
2503 && test -f ${build_subdir}/${module}/Makefile; then
2504 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2505 rm -f ${build_subdir}/${module}/Makefile
2507 extrasub_build="$extrasub_build
2508 /^@if build-$module\$/d
2509 /^@endif build-$module\$/d
2510 /^@if build-$module-$bootstrap_suffix\$/d
2511 /^@endif build-$module-$bootstrap_suffix\$/d"
2514 for module in ${configdirs} ; do
2515 if test -z "${no_recursion}"; then
2516 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2517 if test -f ${file}; then
2518 echo 1>&2 "*** removing ${file} to force reconfigure"
2523 extrasub_host="$extrasub_host
2525 /^@endif $module\$/d
2526 /^@if $module-$bootstrap_suffix\$/d
2527 /^@endif $module-$bootstrap_suffix\$/d"
2530 for module in ${target_configdirs} ; do
2531 if test -z "${no_recursion}" \
2532 && test -f ${target_subdir}/${module}/Makefile; then
2533 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2534 rm -f ${target_subdir}/${module}/Makefile
2537 # We only bootstrap target libraries listed in bootstrap_target_libs.
2538 case $bootstrap_target_libs in
2539 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2540 *) target_bootstrap_suffix=no-bootstrap ;;
2543 extrasub_target="$extrasub_target
2544 /^@if target-$module\$/d
2545 /^@endif target-$module\$/d
2546 /^@if target-$module-$target_bootstrap_suffix\$/d
2547 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2550 # Do the final fixup along with target modules.
2551 extrasub_target="$extrasub_target
2552 /^@if /,/^@endif /d"
2554 # Create the serialization dependencies. This uses a temporary file.
2556 AC_ARG_ENABLE([serial-configure],
2557 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2558 [force sequential configuration of
2559 sub-packages for the host, target or build
2560 machine, or all sub-packages])])
2562 case ${enable_serial_configure} in
2564 enable_serial_build_configure=yes
2565 enable_serial_host_configure=yes
2566 enable_serial_target_configure=yes
2570 # These force 'configure's to be done one at a time, to avoid problems
2571 # with contention over a shared config.cache.
2573 echo '# serdep.tmp' > serdep.tmp
2575 test "x${enable_serial_build_configure}" = xyes &&
2576 for item in ${build_configdirs} ; do
2579 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2584 test "x${enable_serial_host_configure}" = xyes &&
2585 for item in ${configdirs} ; do
2588 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2593 test "x${enable_serial_target_configure}" = xyes &&
2594 for item in ${target_configdirs} ; do
2597 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2601 serialization_dependencies=serdep.tmp
2602 AC_SUBST_FILE(serialization_dependencies)
2604 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2605 # target, nonopt, and variable assignments. These are the ones we
2606 # might not want to pass down to subconfigures. The exception being
2607 # --cache-file=/dev/null, which is used to turn off the use of cache
2608 # files altogether, and which should be passed on to subconfigures.
2609 # Also strip program-prefix, program-suffix, and program-transform-name,
2610 # so that we can pass down a consistent program-transform-name.
2615 eval "set -- $ac_configure_args"
2618 if test X"$skip_next" = X"yes"; then
2622 if test X"$keep_next" = X"yes"; then
2625 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2627 baseargs="$baseargs '$ac_arg'"
2628 tbaseargs="$tbaseargs '$ac_arg'"
2633 # Handle separated arguments. Based on the logic generated by
2636 *=* | --config-cache | -C | -disable-* | --disable-* \
2637 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2638 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2639 | -with-* | --with-* | -without-* | --without-* | --x)
2653 --with-* | --without-*)
2654 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2658 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2661 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2670 mpc | mpfr | gmp | cloog)
2671 # If we're processing --with-$lib, --with-$lib-include or
2672 # --with-$lib-lib, for one of the libs above, and target is
2673 # different from host, don't pass the current argument to any
2674 # target library's configure.
2675 if test x$is_cross_compiler = xyes; then
2684 --cache-file=/dev/null | \
2685 -cache-file=/dev/null )
2686 # Handled here to avoid the test to skip args below.
2687 baseargs="$baseargs '$ac_arg'"
2688 tbaseargs="$tbaseargs '$ac_arg'"
2689 # Assert: $separate_arg should always be no.
2690 keep_next=$separate_arg
2706 -program-prefix* | \
2707 -program-suffix* | \
2708 -program-transform-name* )
2709 skip_next=$separate_arg
2713 # An option. Add it.
2716 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2718 baseargs="$baseargs '$ac_arg'"
2719 if test X"$skip_targ" = Xno; then
2720 tbaseargs="$tbaseargs '$ac_arg'"
2722 keep_next=$separate_arg
2725 # Either a variable assignment, or a nonopt (triplet). Don't
2726 # pass it down; let the Makefile handle this.
2731 # Remove the initial space we just introduced and, as these will be
2732 # expanded by make, quote '$'.
2733 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2735 # Add in --program-transform-name, after --program-prefix and
2736 # --program-suffix have been applied to it. Autoconf has already
2737 # doubled dollar signs and backslashes in program_transform_name; we want
2738 # the backslashes un-doubled, and then the entire thing wrapped in single
2739 # quotes, because this will be expanded first by make and then by the shell.
2740 # Also, because we want to override the logic in subdir configure scripts to
2741 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2742 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2743 ${program_transform_name}
2745 gcc_transform_name=`cat conftestsed.out`
2746 rm -f conftestsed.out
2747 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2748 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2749 if test "$silent" = yes; then
2750 baseargs="$baseargs --silent"
2751 tbaseargs="$tbaseargs --silent"
2753 baseargs="$baseargs --disable-option-checking"
2754 tbaseargs="$tbaseargs --disable-option-checking"
2756 # Record and document user additions to sub configure arguments.
2757 AC_ARG_VAR([build_configargs],
2758 [additional configure arguments for build directories])
2759 AC_ARG_VAR([host_configargs],
2760 [additional configure arguments for host directories])
2761 AC_ARG_VAR([target_configargs],
2762 [additional configure arguments for target directories])
2764 # For the build-side libraries, we just need to pretend we're native,
2765 # and not use the same cache file. Multilibs are neither needed nor
2767 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2769 # For host modules, accept cache file option, or specification as blank.
2770 case "${cache_file}" in
2772 cache_file_option="" ;;
2773 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2774 cache_file_option="--cache-file=${cache_file}" ;;
2776 cache_file_option="--cache-file=../${cache_file}" ;;
2779 # Host dirs don't like to share a cache file either, horribly enough.
2780 # This seems to be due to autoconf 2.5x stupidity.
2781 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2783 target_configargs="$target_configargs ${tbaseargs}"
2785 # Passing a --with-cross-host argument lets the target libraries know
2786 # whether they are being built with a cross-compiler or being built
2787 # native. However, it would be better to use other mechanisms to make the
2788 # sorts of decisions they want to make on this basis. Please consider
2789 # this option to be deprecated. FIXME.
2790 if test x${is_cross_compiler} = xyes ; then
2791 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2794 # Default to --enable-multilib.
2795 if test x${enable_multilib} = x ; then
2796 target_configargs="--enable-multilib ${target_configargs}"
2799 # Pass --with-newlib if appropriate. Note that target_configdirs has
2800 # changed from the earlier setting of with_newlib.
2801 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2802 target_configargs="--with-newlib ${target_configargs}"
2805 # Different target subdirs use different values of certain variables
2806 # (notably CXX). Worse, multilibs use *lots* of different values.
2807 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2808 # it doesn't automatically accept command-line overrides of them.
2809 # This means it's not safe for target subdirs to share a cache file,
2810 # which is disgusting, but there you have it. Hopefully this can be
2811 # fixed in future. It's still worthwhile to use a cache file for each
2812 # directory. I think.
2814 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2815 # We need to pass --target, as newer autoconf's requires consistency
2816 # for target_alias and gcc doesn't manage it consistently.
2817 target_configargs="--cache-file=./config.cache ${target_configargs}"
2820 case " $target_configdirs " in
2822 case " $target_configargs " in
2823 *" --with-newlib "*)
2826 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
2830 # If we're not building GCC, don't discard standard headers.
2831 if test -d ${srcdir}/gcc; then
2832 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2834 if test "${build}" != "${host}"; then
2835 # On Canadian crosses, CC_FOR_TARGET will have already been set
2836 # by `configure', so we won't have an opportunity to add -Bgcc/
2837 # to it. This is right: we don't want to search that directory
2838 # for binaries, but we want the header files in there, so add
2840 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2842 # Someone might think of using the pre-installed headers on
2843 # Canadian crosses, in case the installed compiler is not fully
2844 # compatible with the compiler being built. In this case, it
2845 # would be better to flag an error than risking having
2846 # incompatible object files being constructed. We can't
2847 # guarantee that an error will be flagged, but let's hope the
2848 # compiler will do it, when presented with incompatible header
2853 case "${target}-${is_cross_compiler}" in
2854 i[[3456789]]86-*-linux*-no)
2855 # Here host == target, so we don't need to build gcc,
2856 # so we don't want to discard standard headers.
2857 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2860 # If we're building newlib, use its generic headers last, but search
2861 # for any libc-related directories first (so make it the last -B
2863 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2865 # If we're building libgloss, find the startup file, simulator library
2866 # and linker script.
2867 case " $target_configdirs " in
2869 # Look for startup file, simulator library and maybe linker script.
2870 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2871 # Look for libnosys.a in case the target needs it.
2872 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2873 # Most targets have the linker script in the source directory.
2874 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2885 x86_64-*mingw* | *-w64-mingw*)
2886 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2887 # however, use a symlink named 'mingw' in ${prefix} .
2888 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2891 # MinGW can't be handled as Cygwin above since it does not use newlib.
2892 FLAGS_FOR_TARGET=$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'
2896 # Allow the user to override the flags for
2897 # our build compiler if desired.
2898 if test x"${build}" = x"${host}" ; then
2899 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2900 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2901 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2904 # On Canadian crosses, we'll be searching the right directories for
2905 # the previously-installed cross compiler, so don't bother to add
2906 # flags for directories within the install tree of the compiler
2907 # being built; programs in there won't even run.
2908 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2909 # Search for pre-installed headers if nothing else fits.
2910 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2913 if test "x${use_gnu_ld}" = x &&
2914 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2915 # Arrange for us to find uninstalled linker scripts.
2916 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2919 # Search for other target-specific linker scripts and such.
2922 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2926 # Makefile fragments.
2927 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2929 eval fragval=\$$frag
2930 if test $fragval != /dev/null; then
2931 eval $frag=${srcdir}/$fragval
2934 AC_SUBST_FILE(host_makefile_frag)
2935 AC_SUBST_FILE(target_makefile_frag)
2936 AC_SUBST_FILE(alphaieee_frag)
2937 AC_SUBST_FILE(ospace_frag)
2939 # Miscellanea: directories, flags, etc.
2940 AC_SUBST(RPATH_ENVVAR)
2941 AC_SUBST(GCC_SHLIB_SUBDIR)
2943 AC_SUBST(build_tooldir)
2944 AC_SUBST(CONFIGURE_GDB_TK)
2946 AC_SUBST(INSTALL_GDB_TK)
2948 # Build module lists & subconfigure args.
2949 AC_SUBST(build_configargs)
2950 AC_SUBST(build_configdirs)
2952 # Host module lists & subconfigure args.
2953 AC_SUBST(host_configargs)
2954 AC_SUBST(configdirs)
2955 AC_SUBST(target_configdirs)
2957 # Target module lists & subconfigure args.
2958 AC_SUBST(target_configargs)
2962 AC_SUBST(AR_FOR_BUILD)
2963 AC_SUBST(AS_FOR_BUILD)
2964 AC_SUBST(CC_FOR_BUILD)
2965 AC_SUBST(CFLAGS_FOR_BUILD)
2966 AC_SUBST(CXXFLAGS_FOR_BUILD)
2967 AC_SUBST(CXX_FOR_BUILD)
2968 AC_SUBST(DLLTOOL_FOR_BUILD)
2969 AC_SUBST(GCJ_FOR_BUILD)
2970 AC_SUBST(GFORTRAN_FOR_BUILD)
2971 AC_SUBST(GOC_FOR_BUILD)
2972 AC_SUBST(LDFLAGS_FOR_BUILD)
2973 AC_SUBST(LD_FOR_BUILD)
2974 AC_SUBST(NM_FOR_BUILD)
2975 AC_SUBST(RANLIB_FOR_BUILD)
2976 AC_SUBST(WINDMC_FOR_BUILD)
2977 AC_SUBST(WINDRES_FOR_BUILD)
2979 # Generate default definitions for YACC, M4, LEX and other programs that run
2980 # on the build machine. These are used if the Makefile can't locate these
2981 # programs in objdir.
2982 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2984 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2985 case " $build_configdirs " in
2986 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2989 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2990 case " $build_configdirs " in
2991 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2994 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2995 case " $build_configdirs " in
2996 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2999 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3000 case " $build_configdirs " in
3001 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3002 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3005 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3006 case " $build_configdirs " in
3007 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3010 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3011 case " $build_configdirs " in
3012 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3015 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3016 # higher, else we use the "missing" dummy.
3017 if ${MAKEINFO} --version \
3018 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3021 MAKEINFO="$MISSING makeinfo"
3027 # FIXME: expect and dejagnu may become build tools?
3029 AC_CHECK_PROGS(EXPECT, expect, expect)
3030 case " $configdirs " in
3032 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3036 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3037 case " $configdirs " in
3039 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3045 NCN_STRICT_CHECK_TOOLS(AR, ar)
3046 NCN_STRICT_CHECK_TOOLS(AS, as)
3047 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3048 NCN_STRICT_CHECK_TOOLS(LD, ld)
3049 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3050 NCN_STRICT_CHECK_TOOLS(NM, nm)
3051 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3052 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3053 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3054 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3055 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3056 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3057 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3064 AC_ARG_WITH([build-time-tools],
3065 [AS_HELP_STRING([--with-build-time-tools=PATH],
3066 [use given path to find target tools during the build])],
3067 [case x"$withval" in
3070 with_build_time_tools=
3071 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3074 [with_build_time_tools=])
3076 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3077 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3078 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3079 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3080 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3081 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3083 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3084 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3085 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3086 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3087 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3088 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3089 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3090 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3091 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3092 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3093 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3094 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3096 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3098 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3099 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3100 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3101 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3102 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3103 [gcc/g++ -B$$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],
3105 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3106 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3108 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3109 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3110 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3111 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3112 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3113 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3114 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3115 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3116 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3117 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3118 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3119 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3120 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3121 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3122 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3123 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3124 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3126 AC_SUBST(FLAGS_FOR_TARGET)
3127 AC_SUBST(RAW_CXX_FOR_TARGET)
3129 # Certain tools may need extra flags.
3130 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3131 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3132 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3134 # When building target libraries, except in a Canadian cross, we use
3135 # the same toolchain as the compiler we just built.
3136 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3137 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3138 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3139 if test $host = $build; then
3140 case " $configdirs " in
3142 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3143 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3144 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3149 AC_SUBST(COMPILER_AS_FOR_TARGET)
3150 AC_SUBST(COMPILER_LD_FOR_TARGET)
3151 AC_SUBST(COMPILER_NM_FOR_TARGET)
3153 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3154 AC_ARG_ENABLE(maintainer-mode,
3155 [AS_HELP_STRING([--enable-maintainer-mode],
3156 [enable make rules and dependencies not useful
3157 (and sometimes confusing) to the casual installer])],
3158 USE_MAINTAINER_MODE=$enableval,
3159 USE_MAINTAINER_MODE=no)
3160 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3161 AC_SUBST(MAINTAINER_MODE_TRUE)
3162 AC_SUBST(MAINTAINER_MODE_FALSE)
3163 if test "$USE_MAINTAINER_MODE" = yes; then
3164 MAINTAINER_MODE_TRUE=
3165 MAINTAINER_MODE_FALSE='#'
3167 MAINTAINER_MODE_TRUE='#'
3168 MAINTAINER_MODE_FALSE=
3170 MAINT=$MAINTAINER_MODE_TRUE
3173 # ---------------------
3174 # GCC bootstrap support
3175 # ---------------------
3177 # Stage specific cflags for build.
3182 yes) stage1_cflags="-g -Wa,-J" ;;
3183 *) stage1_cflags="-g -J" ;;
3187 AC_SUBST(stage1_cflags)
3189 # Enable --enable-checking in stage1 of the compiler.
3190 AC_ARG_ENABLE(stage1-checking,
3191 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3192 [choose additional checking for stage1 of the compiler])],
3193 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3194 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3195 stage1_checking=--enable-checking=yes,types
3197 stage1_checking=--enable-checking=$enable_checking,types
3199 AC_SUBST(stage1_checking)
3201 # Enable -Werror in bootstrap stage2 and later.
3202 AC_ARG_ENABLE(werror,
3203 [AS_HELP_STRING([--enable-werror],
3204 [enable -Werror in bootstrap stage2 and later])], [],
3205 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3210 case ${enable_werror} in
3211 yes) stage2_werror_flag="--enable-werror-always" ;;
3212 *) stage2_werror_flag="" ;;
3214 AC_SUBST(stage2_werror_flag)
3216 # Specify what files to not compare during bootstrap.
3218 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3220 hppa*64*-*-hpux*) ;;
3221 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3222 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3224 AC_SUBST(compare_exclusions)
3226 AC_CONFIG_FILES([Makefile],
3227 [sed "$extrasub_build" Makefile |
3228 sed "$extrasub_host" |
3229 sed "$extrasub_target" > mf$$
3230 mv -f mf$$ Makefile],
3231 [extrasub_build="$extrasub_build"
3232 extrasub_host="$extrasub_host"
3233 extrasub_target="$extrasub_target"])