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 \
163 target-libsanitizer \
173 # these tools are built using the target libraries, and are intended to
174 # run only in the target environment
176 # note: any program that *uses* libraries that are in the "target_libraries"
177 # list belongs in this list.
179 target_tools="target-rda"
181 ################################################################################
183 ## All tools belong in one of the four categories, and are assigned above
184 ## We assign ${configdirs} this way to remove all embedded newlines. This
185 ## is important because configure will choke if they ever get through.
186 ## ${configdirs} is directories we build using the host tools.
187 ## ${target_configdirs} is directories we build using the target tools.
188 configdirs=`echo ${host_libs} ${host_tools}`
189 target_configdirs=`echo ${target_libraries} ${target_tools}`
190 build_configdirs=`echo ${build_libs} ${build_tools}`
192 m4_divert_text([PARSE_ARGS],
195 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
196 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
197 m4_popdef([AS_MESSAGE_LOG_FD])dnl
200 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
203 ################################################################################
205 srcname="gnu development package"
207 # This gets set non-empty for some net releases of packages.
210 # Define is_cross_compiler to save on calls to 'test'.
212 if test x"${host}" = x"${target}" ; then
215 is_cross_compiler=yes
218 # Find the build and target subdir names.
220 # Be sure to cover against remnants of an in-tree build.
221 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
222 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
223 Use a pristine source tree when building in a separate tree])
226 # Skipdirs are removed silently.
228 # Noconfigdirs are removed loudly.
232 # Make sure we don't let GNU ld be added if we didn't want it.
233 if test x$with_gnu_ld = xno ; then
235 noconfigdirs="$noconfigdirs ld gold"
239 # Make sure we don't let GNU as be added if we didn't want it.
240 if test x$with_gnu_as = xno ; then
242 noconfigdirs="$noconfigdirs gas"
246 # Make sure we don't let ZLIB be added if we didn't want it.
247 if test x$with_system_zlib = xyes ; then
249 noconfigdirs="$noconfigdirs zlib"
252 # some tools are so dependent upon X11 that if we're not building with X,
253 # it's not even worth trying to configure, much less build, that tool.
256 yes | "") ;; # the default value for this tree is that X11 is available
258 skipdirs="${skipdirs} tk itcl libgui"
259 # We won't be able to build gdbtk without X.
262 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
265 # Some are only suitable for cross toolchains.
266 # Remove these if host=target.
267 cross_only="target-libgloss target-newlib target-opcodes"
269 case $is_cross_compiler in
270 no) skipdirs="${skipdirs} ${cross_only}" ;;
273 # If both --with-headers and --with-libs are specified, default to
275 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
276 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
277 if test x"${with_newlib}" = x ; then
282 # Recognize --with-newlib/--without-newlib.
283 case ${with_newlib} in
284 no) skipdirs="${skipdirs} target-newlib" ;;
285 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
288 # Handle --enable-gold, --enable-ld.
289 # --disable-gold [--enable-ld]
290 # Build only ld. Default option.
291 # --enable-gold [--enable-ld]
292 # Build both gold and ld. Install gold as "ld.gold", install ld
293 # as "ld.bfd" and "ld".
294 # --enable-gold=default [--enable-ld]
295 # Build both gold and ld. Install gold as "ld.gold" and "ld",
296 # install ld as "ld.bfd".
297 # --enable-gold[=default] --disable-ld
298 # Build only gold, which is then installed as both "ld.gold" and "ld".
299 # --enable-gold --enable-ld=default
300 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
302 # In other words, ld is default
303 # --enable-gold=default --enable-ld=default
308 [AS_HELP_STRING([[--enable-gold[=ARG]]],
309 [build gold @<:@ARG={default,yes,no}@:>@])],
310 ENABLE_GOLD=$enableval,
312 case "${ENABLE_GOLD}" in
314 # Check for ELF target.
317 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
318 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
319 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
320 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
322 *-*-linux*aout* | *-*-linux*oldld*)
330 if test "$is_elf" = "yes"; then
331 # Check for target supported by gold.
333 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
334 configdirs="$configdirs gold"
335 if test x${ENABLE_GOLD} = xdefault; then
346 AC_MSG_ERROR([invalid --enable-gold argument])
351 [AS_HELP_STRING([[--enable-ld[=ARG]]],
352 [build ld @<:@ARG={default,yes,no}@:>@])],
353 ENABLE_LD=$enableval,
356 case "${ENABLE_LD}" in
358 if test x${default_ld} != x; then
359 AC_MSG_ERROR([either gold or ld can be the default ld])
365 if test x${ENABLE_GOLD} != xyes; then
366 AC_MSG_WARN([neither ld nor gold are enabled])
368 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
371 AC_MSG_ERROR([invalid --enable-ld argument])
375 # Configure extra directories which are host specific
379 configdirs="$configdirs libtermcap" ;;
382 # A target can indicate whether a language isn't supported for some reason.
383 # Only spaces may be used in this macro; not newlines or tabs.
384 unsupported_languages=
386 # Remove more programs from consideration, based on the host or
387 # target this usually means that a port of the program doesn't
391 i[[3456789]]86-*-msdosdjgpp*)
392 noconfigdirs="$noconfigdirs tcl tk itcl"
397 AC_ARG_ENABLE(libquadmath,
398 AS_HELP_STRING([--disable-libquadmath],
399 [do not build libquadmath directory]),
400 ENABLE_LIBQUADMATH=$enableval,
401 ENABLE_LIBQUADMATH=yes)
402 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
403 noconfigdirs="$noconfigdirs target-libquadmath"
407 AC_ARG_ENABLE(libquadmath-support,
408 AS_HELP_STRING([--disable-libquadmath-support],
409 [disable libquadmath support for Fortran]),
410 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
411 ENABLE_LIBQUADMATH_SUPPORT=yes)
412 enable_libquadmath_support=
413 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
414 enable_libquadmath_support=no
418 AC_ARG_ENABLE(libada,
419 [AS_HELP_STRING([--enable-libada], [build libada directory])],
420 ENABLE_LIBADA=$enableval,
422 if test "${ENABLE_LIBADA}" != "yes" ; then
423 noconfigdirs="$noconfigdirs gnattools"
426 AC_ARG_ENABLE(libssp,
427 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
428 ENABLE_LIBSSP=$enableval,
431 AC_ARG_ENABLE(libstdcxx,
432 AS_HELP_STRING([--disable-libstdcxx],
433 [do not build libstdc++-v3 directory]),
434 ENABLE_LIBSTDCXX=$enableval,
435 ENABLE_LIBSTDCXX=default)
436 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
437 noconfigdirs="$noconfigdirs libstdc++-v3"
440 # Save it here so that, even in case of --enable-libgcj, if the Java
441 # front-end isn't enabled, we still get libgcj disabled.
443 case $enable_libgcj in
445 # If we reset it here, it won't get added to noconfigdirs in the
446 # target-specific build rules, so it will be forcibly enabled
447 # (unless the Java language itself isn't enabled).
451 # Make sure we get it printed in the list of not supported target libs.
452 # Don't disable libffi, though, other languages use it.
453 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
454 # Clear libgcj_saved so that even if java is enabled libffi won't be
460 AC_ARG_ENABLE(static-libjava,
461 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
462 [build static libjava @<:@default=no@:>@])],
463 ENABLE_STATIC_LIBJAVA=$enableval,
464 ENABLE_STATIC_LIBJAVA=no)
465 enable_static_libjava=
466 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
467 enable_static_libjava=yes
470 if test x$enable_static_libjava != xyes ; then
471 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
473 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
475 # Disable libmudflap on some systems.
476 if test x$enable_libmudflap = x ; then
478 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
479 # Enable libmudflap by default in GNU and friends.
482 # Enable libmudflap by default in FreeBSD.
485 # Disable it by default everywhere else.
486 noconfigdirs="$noconfigdirs target-libmudflap"
491 # Disable libgomp on non POSIX hosted systems.
492 if test x$enable_libgomp = x ; then
493 # Enable libgomp by default on hosted POSIX systems.
495 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
497 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
499 *-*-solaris2* | *-*-hpux11*)
501 *-*-darwin* | *-*-aix*)
504 noconfigdirs="$noconfigdirs target-libgomp"
509 # Disable libatomic on unsupported systems.
510 if test -d ${srcdir}/libatomic; then
511 if test x$enable_libatomic = x; then
512 AC_MSG_CHECKING([for libatomic support])
513 if (srcdir=${srcdir}/libatomic; \
514 . ${srcdir}/configure.tgt; \
515 test -n "$UNSUPPORTED")
518 noconfigdirs="$noconfigdirs target-libatomic"
525 # Disable libitm on unsupported systems.
526 if test -d ${srcdir}/libitm; then
527 if test x$enable_libitm = x; then
528 AC_MSG_CHECKING([for libitm support])
529 if (srcdir=${srcdir}/libitm; \
530 . ${srcdir}/configure.tgt; \
531 test -n "$UNSUPPORTED")
534 noconfigdirs="$noconfigdirs target-libitm"
541 # Disable libsanitizer on unsupported systems.
542 if test -d ${srcdir}/libsanitizer; then
543 if test x$enable_libsanitizer = x; then
544 AC_MSG_CHECKING([for libsanitizer support])
545 if (srcdir=${srcdir}/libsanitizer; \
546 . ${srcdir}/configure.tgt; \
547 test -n "$UNSUPPORTED")
550 noconfigdirs="$noconfigdirs target-libsanitizer"
557 # Disable libquadmath for some systems.
560 noconfigdirs="$noconfigdirs target-libquadmath"
562 # libquadmath is unused on AIX and libquadmath build process use of
563 # LD_LIBRARY_PATH can break AIX bootstrap.
564 powerpc-*-aix* | rs6000-*-aix*)
565 noconfigdirs="$noconfigdirs target-libquadmath"
569 # Disable libssp for some systems.
572 # No hosted I/O support.
573 noconfigdirs="$noconfigdirs target-libssp"
575 powerpc-*-aix* | rs6000-*-aix*)
576 noconfigdirs="$noconfigdirs target-libssp"
579 # libssp uses a misaligned load to trigger a fault, but the RL78
580 # doesn't fault for those - instead, it gives a build-time error
581 # for explicit misaligned loads.
582 noconfigdirs="$noconfigdirs target-libssp"
586 # Disable libstdc++-v3 for some systems.
587 # Allow user to override this if they pass --enable-libstdc++-v3
588 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
591 # VxWorks uses the Dinkumware C++ library.
592 noconfigdirs="$noconfigdirs target-libstdc++-v3"
595 # the C++ libraries don't build on top of CE's C libraries
596 noconfigdirs="$noconfigdirs target-libstdc++-v3"
599 noconfigdirs="$noconfigdirs target-libstdc++-v3"
604 # Disable Fortran for some systems.
607 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
608 unsupported_languages="$unsupported_languages fortran"
612 # Disable Java if libffi is not supported.
644 powerpc-*-aix* | rs6000-*-aix*)
648 powerpc64-*-freebsd*)
652 s390-*-* | s390x-*-*)
654 sh-*-* | sh[[34]]*-*-*)
663 unsupported_languages="$unsupported_languages java"
667 # Disable Java, libgcj or related libraries for some systems.
671 i[[3456789]]86-*-darwin*)
673 x86_64-*-darwin[[912]]*)
676 noconfigdirs="$noconfigdirs ${libgcj}"
679 noconfigdirs="$noconfigdirs ${libgcj}"
682 noconfigdirs="$noconfigdirs ${libgcj}"
685 noconfigdirs="$noconfigdirs ${libgcj}"
688 noconfigdirs="$noconfigdirs ${libgcj}"
691 noconfigdirs="$noconfigdirs ${libgcj}"
694 noconfigdirs="$noconfigdirs ${libgcj}"
697 noconfigdirs="$noconfigdirs ${libgcj}"
700 noconfigdirs="$noconfigdirs ${libgcj}"
703 noconfigdirs="$noconfigdirs target-boehm-gc"
705 cris-*-* | crisv32-*-*)
706 unsupported_languages="$unsupported_languages java"
710 *) # See PR46792 regarding target-libffi.
711 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
715 # In this case, it's because the hppa64-linux target is for
716 # the kernel only at this point and has no libc, and thus no
717 # headers, crt*.o, etc., all of which are needed by these.
718 unsupported_languages="$unsupported_languages java"
721 noconfigdirs="$noconfigdirs ${libgcj}"
726 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
727 # build on HP-UX 10.20.
728 noconfigdirs="$noconfigdirs ${libgcj}"
731 noconfigdirs="$noconfigdirs ${libgcj}"
733 i[[3456789]]86-w64-mingw*)
734 noconfigdirs="$noconfigdirs ${libgcj}"
736 i[[3456789]]86-*-mingw*)
737 noconfigdirs="$noconfigdirs ${libgcj}"
740 noconfigdirs="$noconfigdirs ${libgcj}"
743 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
746 # copied from rs6000-*-* entry
747 noconfigdirs="$noconfigdirs ${libgcj}"
750 noconfigdirs="$noconfigdirs ${libgcj}"
753 noconfigdirs="$noconfigdirs ${libgcj}"
757 # Disable libgo for some systems where it is known to not work.
758 # For testing, you can easily override this with --enable-libgo.
759 if test x$enable_libgo = x; then
763 noconfigdirs="$noconfigdirs target-libgo"
765 *-*-cygwin* | *-*-mingw*)
766 noconfigdirs="$noconfigdirs target-libgo"
769 noconfigdirs="$noconfigdirs target-libgo"
774 # Default libgloss CPU subdirectory.
775 libgloss_dir="$target_cpu"
778 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
787 cris-*-* | crisv32-*-*)
796 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
813 # Disable newlib and libgloss for various target OSes.
816 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
818 i[[3456789]]86-*-linux*)
819 # This section makes it possible to build newlib natively on linux.
820 # If we are using a cross compiler then don't configure newlib.
821 if test x${is_cross_compiler} != xno ; then
822 noconfigdirs="$noconfigdirs target-newlib"
824 noconfigdirs="$noconfigdirs target-libgloss"
825 # If we are not using a cross compiler, do configure newlib.
826 # Note however, that newlib will only be configured in this situation
827 # if the --with-newlib option has been given, because otherwise
828 # 'target-newlib' will appear in skipdirs.
830 i[[3456789]]86-*-rdos*)
831 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
833 sh*-*-pe|mips*-*-pe|arm-wince-pe)
834 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
837 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
840 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
843 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
846 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
849 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
854 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 noconfigdirs="$noconfigdirs ld gas gdb gprof"
885 noconfigdirs="$noconfigdirs sim target-rda"
887 i[[3456789]]86-*-darwin*)
888 noconfigdirs="$noconfigdirs ld gprof"
889 noconfigdirs="$noconfigdirs sim target-rda"
891 x86_64-*-darwin[[912]]*)
892 noconfigdirs="$noconfigdirs ld gas gprof"
893 noconfigdirs="$noconfigdirs sim target-rda"
896 noconfigdirs="$noconfigdirs ld gas gdb gprof"
897 noconfigdirs="$noconfigdirs sim target-rda"
902 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
903 && test -f /usr/local/include/gmp.h; then
908 # Remove unsupported stuff on all kaOS configurations.
909 noconfigdirs="$noconfigdirs target-libgloss"
916 noconfigdirs="$noconfigdirs target-libgloss"
918 # The tpf target doesn't support gdb yet.
920 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
923 noconfigdirs="$noconfigdirs target-rda"
928 # ld works, but does not support shared libraries.
929 # gas doesn't generate exception information.
930 noconfigdirs="$noconfigdirs gas ld"
933 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
936 # newlib is not 64 bit ready
937 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
939 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
940 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
943 noconfigdirs="$noconfigdirs target-libgloss"
946 noconfigdirs="$noconfigdirs target-libgloss"
949 noconfigdirs="$noconfigdirs ld target-libgloss"
954 if test x${with_avrlibc} != xno; then
955 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
959 noconfigdirs="$noconfigdirs target-libgloss"
962 noconfigdirs="$noconfigdirs target-libgloss gdb"
965 noconfigdirs="$noconfigdirs target-libgloss"
968 noconfigdirs="$noconfigdirs gdb"
971 noconfigdirs="$noconfigdirs gdb"
974 noconfigdirs="$noconfigdirs gprof"
977 noconfigdirs="$noconfigdirs target-libgloss"
980 noconfigdirs="$noconfigdirs target-libgloss"
982 hppa1.1-*-osf* | hppa1.1-*-bsd* )
994 noconfigdirs="$noconfigdirs ld"
999 noconfigdirs="$noconfigdirs ld"
1002 noconfigdirs="$noconfigdirs gdb"
1005 # No gdb support yet.
1006 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1009 # No ld support yet.
1010 noconfigdirs="$noconfigdirs libgui itcl ld"
1013 # No ld support yet.
1014 noconfigdirs="$noconfigdirs libgui itcl ld"
1016 i[[3456789]]86-w64-mingw*)
1018 i[[3456789]]86-*-mingw*)
1019 target_configdirs="$target_configdirs target-winsup"
1022 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1023 noconfigdirs="$noconfigdirs target-libgloss"
1024 # always build newlib if winsup directory is present.
1025 if test -d "$srcdir/winsup/cygwin"; then
1026 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1027 elif test -d "$srcdir/newlib"; then
1028 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1031 i[[3456789]]86-*-pe)
1032 noconfigdirs="$noconfigdirs target-libgloss"
1034 i[[3456789]]86-*-sco3.2v5*)
1035 # The linker does not yet know about weak symbols in COFF,
1036 # and is not configured to handle mixed ELF and COFF.
1037 noconfigdirs="$noconfigdirs ld target-libgloss"
1039 i[[3456789]]86-*-sco*)
1040 noconfigdirs="$noconfigdirs gprof target-libgloss"
1042 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1043 noconfigdirs="$noconfigdirs target-libgloss"
1045 i[[3456789]]86-*-sysv4*)
1046 noconfigdirs="$noconfigdirs target-libgloss"
1048 i[[3456789]]86-*-beos*)
1049 noconfigdirs="$noconfigdirs gdb"
1051 i[[3456789]]86-*-rdos*)
1052 noconfigdirs="$noconfigdirs gdb"
1055 noconfigdirs="$noconfigdirs gdb"
1058 noconfigdirs="$noconfigdirs sim"
1061 # copied from rs6000-*-* entry
1062 noconfigdirs="$noconfigdirs gprof"
1064 powerpc*-*-winnt* | powerpc*-*-pe*)
1065 target_configdirs="$target_configdirs target-winsup"
1066 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1067 # always build newlib.
1068 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1070 # This is temporary until we can link against shared libraries
1071 powerpcle-*-solaris*)
1072 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1075 noconfigdirs="$noconfigdirs gdb"
1078 noconfigdirs="$noconfigdirs gprof"
1081 noconfigdirs="$noconfigdirs gprof"
1084 noconfigdirs="$noconfigdirs gprof"
1087 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1090 noconfigdirs="$noconfigdirs gprof"
1092 mips*-sde-elf* | mips*-mti-elf*)
1093 if test x$with_newlib = xyes; then
1094 noconfigdirs="$noconfigdirs gprof"
1098 noconfigdirs="$noconfigdirs gprof target-libgloss"
1101 noconfigdirs="$noconfigdirs gprof target-libgloss"
1104 noconfigdirs="$noconfigdirs gprof target-libgloss"
1109 noconfigdirs="$noconfigdirs gprof"
1116 noconfigdirs="$noconfigdirs target-libgloss" ;;
1120 if test x${is_cross_compiler} = xno ; then
1125 noconfigdirs="$noconfigdirs sim"
1127 tilepro-*-* | tilegx-*-*)
1128 noconfigdirs="$noconfigdirs sim"
1131 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1134 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1138 # If we aren't building newlib, then don't build libgloss, since libgloss
1139 # depends upon some newlib header files.
1140 case "${noconfigdirs}" in
1141 *target-libgloss*) ;;
1142 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1145 # Work in distributions that contain no compiler tools, like Autoconf.
1146 host_makefile_frag=/dev/null
1147 if test -d ${srcdir}/config ; then
1149 i[[3456789]]86-*-msdosdjgpp*)
1150 host_makefile_frag="config/mh-djgpp"
1153 ACX_CHECK_CYGWIN_CAT_WORKS
1154 host_makefile_frag="config/mh-cygwin"
1157 host_makefile_frag="config/mh-mingw"
1160 host_makefile_frag="config/mh-pa-hpux10"
1163 host_makefile_frag="config/mh-pa"
1166 host_makefile_frag="config/mh-pa"
1169 host_makefile_frag="config/mh-darwin"
1172 host_makefile_frag="config/mh-ppc-aix"
1175 host_makefile_frag="config/mh-ppc-aix"
1180 if test "${build}" != "${host}" ; then
1181 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1182 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1183 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1184 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1185 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1186 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1187 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1188 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1189 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1190 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1191 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1192 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1193 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1195 AR_FOR_BUILD="\$(AR)"
1196 AS_FOR_BUILD="\$(AS)"
1197 CC_FOR_BUILD="\$(CC)"
1198 CXX_FOR_BUILD="\$(CXX)"
1199 GCJ_FOR_BUILD="\$(GCJ)"
1200 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1201 GOC_FOR_BUILD="\$(GOC)"
1202 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1203 LD_FOR_BUILD="\$(LD)"
1204 NM_FOR_BUILD="\$(NM)"
1205 RANLIB_FOR_BUILD="\$(RANLIB)"
1206 WINDRES_FOR_BUILD="\$(WINDRES)"
1207 WINDMC_FOR_BUILD="\$(WINDMC)"
1213 # We must set the default linker to the linker used by gcc for the correct
1214 # operation of libtool. If LD is not defined and we are using gcc, try to
1215 # set the LD default to the ld used by gcc.
1216 if test -z "$LD"; then
1217 if test "$GCC" = yes; then
1220 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1222 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1224 case $gcc_prog_ld in
1225 # Accept absolute paths.
1226 [[\\/]* | [A-Za-z]:[\\/]*)]
1227 LD="$gcc_prog_ld" ;;
1232 # Check whether -static-libstdc++ -static-libgcc is supported.
1234 if test "$GCC" = yes; then
1235 saved_LDFLAGS="$LDFLAGS"
1237 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1238 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1241 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1242 #error -static-libstdc++ not implemented
1245 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1246 [AC_MSG_RESULT([no])])
1249 LDFLAGS="$saved_LDFLAGS"
1253 ACX_PROG_CMP_IGNORE_INITIAL
1255 AC_ARG_ENABLE([bootstrap],
1256 [AS_HELP_STRING([--enable-bootstrap],
1257 [enable bootstrapping @<:@yes if native build@:>@])],,
1258 enable_bootstrap=default)
1260 # Issue errors and warnings for invalid/strange bootstrap combinations.
1261 if test -r $srcdir/gcc/configure; then
1267 case "$have_compiler:$host:$target:$enable_bootstrap" in
1270 # Default behavior. Enable bootstrap if we have a compiler
1271 # and we are in a native configuration.
1272 yes:$build:$build:default)
1273 enable_bootstrap=yes ;;
1276 enable_bootstrap=no ;;
1278 # We have a compiler and we are in a native configuration, bootstrap is ok
1279 yes:$build:$build:yes)
1282 # Other configurations, but we have a compiler. Assume the user knows
1285 AC_MSG_WARN([trying to bootstrap a cross compiler])
1288 # No compiler: if they passed --enable-bootstrap explicitly, fail
1290 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1292 # Fail if wrong command line
1294 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1298 # Used for setting $lt_cv_objdir
1301 # Check for GMP, MPFR and MPC
1302 gmplibs="-lmpc -lmpfr -lgmp"
1306 # Specify a location for mpc
1307 # check for this first so it ends up on the link line before mpfr.
1309 [AS_HELP_STRING([--with-mpc=PATH],
1310 [specify prefix directory for installed MPC package.
1311 Equivalent to --with-mpc-include=PATH/include
1312 plus --with-mpc-lib=PATH/lib])])
1313 AC_ARG_WITH(mpc-include,
1314 [AS_HELP_STRING([--with-mpc-include=PATH],
1315 [specify directory for installed MPC include files])])
1316 AC_ARG_WITH(mpc-lib,
1317 [AS_HELP_STRING([--with-mpc-lib=PATH],
1318 [specify directory for the installed MPC library])])
1320 if test "x$with_mpc" != x; then
1321 gmplibs="-L$with_mpc/lib $gmplibs"
1322 gmpinc="-I$with_mpc/include $gmpinc"
1324 if test "x$with_mpc_include" != x; then
1325 gmpinc="-I$with_mpc_include $gmpinc"
1327 if test "x$with_mpc_lib" != x; then
1328 gmplibs="-L$with_mpc_lib $gmplibs"
1330 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1331 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1332 gmpinc='-I$$s/mpc/src '"$gmpinc"
1333 # Do not test the mpc version. Assume that it is sufficient, since
1334 # it is in the source tree, and the library has not been built yet
1335 # but it would be included on the link line in the version check below
1336 # hence making the test fail.
1340 # Specify a location for mpfr
1341 # check for this first so it ends up on the link line before gmp.
1342 AC_ARG_WITH(mpfr-dir,
1343 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1344 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1345 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1348 [AS_HELP_STRING([--with-mpfr=PATH],
1349 [specify prefix directory for installed MPFR package.
1350 Equivalent to --with-mpfr-include=PATH/include
1351 plus --with-mpfr-lib=PATH/lib])])
1352 AC_ARG_WITH(mpfr-include,
1353 [AS_HELP_STRING([--with-mpfr-include=PATH],
1354 [specify directory for installed MPFR include files])])
1355 AC_ARG_WITH(mpfr-lib,
1356 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1357 [specify directory for the installed MPFR library])])
1359 if test "x$with_mpfr" != x; then
1360 gmplibs="-L$with_mpfr/lib $gmplibs"
1361 gmpinc="-I$with_mpfr/include $gmpinc"
1363 if test "x$with_mpfr_include" != x; then
1364 gmpinc="-I$with_mpfr_include $gmpinc"
1366 if test "x$with_mpfr_lib" != x; then
1367 gmplibs="-L$with_mpfr_lib $gmplibs"
1369 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1370 # MPFR v3.1.0 moved the sources into a src sub-directory.
1371 if test -d ${srcdir}/mpfr/src; then
1372 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1373 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1374 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1376 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1377 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1378 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1380 # Do not test the mpfr version. Assume that it is sufficient, since
1381 # it is in the source tree, and the library has not been built yet
1382 # but it would be included on the link line in the version check below
1383 # hence making the test fail.
1387 # Specify a location for gmp
1388 AC_ARG_WITH(gmp-dir,
1389 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1390 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1391 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1394 [AS_HELP_STRING([--with-gmp=PATH],
1395 [specify prefix directory for the installed GMP package.
1396 Equivalent to --with-gmp-include=PATH/include
1397 plus --with-gmp-lib=PATH/lib])])
1398 AC_ARG_WITH(gmp-include,
1399 [AS_HELP_STRING([--with-gmp-include=PATH],
1400 [specify directory for installed GMP include files])])
1401 AC_ARG_WITH(gmp-lib,
1402 [AS_HELP_STRING([--with-gmp-lib=PATH],
1403 [specify directory for the installed GMP library])])
1406 if test "x$with_gmp" != x; then
1407 gmplibs="-L$with_gmp/lib $gmplibs"
1408 gmpinc="-I$with_gmp/include $gmpinc"
1410 if test "x$with_gmp_include" != x; then
1411 gmpinc="-I$with_gmp_include $gmpinc"
1413 if test "x$with_gmp_lib" != x; then
1414 gmplibs="-L$with_gmp_lib $gmplibs"
1416 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1417 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1418 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1419 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1420 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1421 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1422 # Do not test the gmp version. Assume that it is sufficient, since
1423 # it is in the source tree, and the library has not been built yet
1424 # but it would be included on the link line in the version check below
1425 # hence making the test fail.
1429 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1431 saved_CFLAGS="$CFLAGS"
1432 CFLAGS="$CFLAGS $gmpinc"
1433 # Check for the recommended and required versions of GMP.
1434 AC_MSG_CHECKING([for the correct version of gmp.h])
1435 AC_TRY_COMPILE([#include "gmp.h"],[
1436 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1437 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1438 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1441 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1442 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1443 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1444 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1447 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1448 [AC_MSG_RESULT([no]); have_gmp=no])
1450 # If we have GMP, check the MPFR version.
1451 if test x"$have_gmp" = xyes; then
1452 # Check for the recommended and required versions of MPFR.
1453 AC_MSG_CHECKING([for the correct version of mpfr.h])
1454 AC_TRY_COMPILE([#include <gmp.h>
1455 #include <mpfr.h>],[
1456 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1459 ], [AC_TRY_COMPILE([#include <gmp.h>
1460 #include <mpfr.h>],[
1461 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1464 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1465 [AC_MSG_RESULT([no]); have_gmp=no])
1468 # Check for the MPC header version.
1469 if test x"$have_gmp" = xyes ; then
1470 # Check for the recommended and required versions of MPC.
1471 AC_MSG_CHECKING([for the correct version of mpc.h])
1472 AC_TRY_COMPILE([#include <mpc.h>],[
1473 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1476 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1477 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1480 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1481 [AC_MSG_RESULT([no]); have_gmp=no])
1484 # Now check the MPFR library.
1485 if test x"$have_gmp" = xyes; then
1487 LIBS="$LIBS $gmplibs"
1488 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1489 AC_TRY_LINK([#include <mpc.h>],[
1496 mpfr_atan2 (n, n, x, GMP_RNDN);
1497 mpfr_erfc (n, x, GMP_RNDN);
1498 mpfr_subnormalize (x, t, GMP_RNDN);
1502 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1503 mpc_cosh (c, c, MPC_RNDNN);
1504 mpc_pow (c, c, c, MPC_RNDNN);
1505 mpc_acosh (c, c, MPC_RNDNN);
1507 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1511 CFLAGS="$saved_CFLAGS"
1513 # The library versions listed in the error message below should match
1514 # the HARD-minimums enforced above.
1515 if test x$have_gmp != xyes; then
1516 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1517 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1518 their locations. Source code for these libraries can be found at
1519 their respective hosting sites as well as at
1520 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1521 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1522 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1523 make sure that you have installed both the libraries and the header
1524 files. They may be located in separate packages.])
1528 # Flags needed for both GMP, MPFR and/or MPC.
1531 AC_SUBST(extra_mpfr_configure_flags)
1532 AC_SUBST(extra_mpc_gmp_configure_flags)
1533 AC_SUBST(extra_mpc_mpfr_configure_flags)
1534 AC_SUBST(extra_isl_gmp_configure_flags)
1536 # Allow host libstdc++ to be specified for static linking with PPL.
1537 AC_ARG_WITH(host-libstdcxx,
1538 [AS_HELP_STRING([--with-host-libstdcxx=L],
1539 [use linker arguments L to link with libstdc++
1540 when linking with PPL])])
1542 case $with_host_libstdcxx in
1544 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1548 # Libraries to use for stage1 or when not bootstrapping.
1549 AC_ARG_WITH(stage1-libs,
1550 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1551 [if test "$withval" = "no" -o "$withval" = "yes"; then
1554 stage1_libs=$withval
1556 [stage1_libs=$with_host_libstdcxx])
1557 AC_SUBST(stage1_libs)
1559 # Linker flags to use for stage1 or when not bootstrapping.
1560 AC_ARG_WITH(stage1-ldflags,
1561 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1562 [if test "$withval" = "no" -o "$withval" = "yes"; then
1565 stage1_ldflags=$withval
1568 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1569 # if supported. But if the user explicitly specified the libraries to use,
1570 # trust that they are doing what they want.
1571 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1572 stage1_ldflags="-static-libstdc++ -static-libgcc"
1574 AC_SUBST(stage1_ldflags)
1576 # Libraries to use for stage2 and later builds. This defaults to the
1577 # argument passed to --with-host-libstdcxx.
1578 AC_ARG_WITH(boot-libs,
1579 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1580 [if test "$withval" = "no" -o "$withval" = "yes"; then
1583 poststage1_libs=$withval
1585 [poststage1_libs=$with_host_libstdcxx])
1586 AC_SUBST(poststage1_libs)
1588 # Linker flags to use for stage2 and later builds.
1589 AC_ARG_WITH(boot-ldflags,
1590 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1591 [linker flags for stage2 and later])],
1592 [if test "$withval" = "no" -o "$withval" = "yes"; then
1595 poststage1_ldflags=$withval
1597 [poststage1_ldflags=
1598 # In stages 2 and 3, default to linking libstdc++ and libgcc
1599 # statically. But if the user explicitly specified the libraries to
1600 # use, trust that they are doing what they want.
1601 if test "$poststage1_libs" = ""; then
1602 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1604 AC_SUBST(poststage1_ldflags)
1606 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1607 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1612 [--with-cloog=PATH],
1613 [Specify prefix directory for the installed CLooG-ISL package.
1614 Equivalent to --with-cloog-include=PATH/include
1615 plus --with-cloog-lib=PATH/lib])])
1619 [Specify prefix directory for the installed ISL package.
1620 Equivalent to --with-isl-include=PATH/include
1621 plus --with-isl-lib=PATH/lib])])
1623 # Treat either --without-cloog or --without-isl as a request to disable
1624 # GRAPHITE support and skip all following checks.
1625 if test "x$with_isl" != "xno" &&
1626 test "x$with_cloog" != "xno"; then
1628 dnl Provide configure switches and initialize islinc & isllibs
1629 dnl with user input.
1631 dnl The versions of ISL that work for Graphite
1632 ISL_CHECK_VERSION(0,10)
1633 if test "${gcc_cv_isl}" = no ; then
1634 ISL_CHECK_VERSION(0,11)
1636 dnl Only execute fail-action, if ISL has been requested.
1638 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1640 if test "x$gcc_cv_isl" != "xno"; then
1642 dnl Provide configure switches and initialize clooginc & clooglibs
1643 dnl with user input.
1645 dnl The versions of CLooG that work for Graphite.
1646 CLOOG_CHECK_VERSION(0,17,0)
1647 if test "${gcc_cv_cloog}" = no ; then
1648 CLOOG_CHECK_VERSION(0,18,0)
1651 dnl Only execute fail-action, if CLooG has been requested.
1653 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1657 # If either the ISL or the CLooG check failed, disable builds of in-tree
1659 if test "x$with_isl" = xno ||
1660 test "x$with_cloog" = xno ||
1661 test "x$gcc_cv_cloog" = xno ||
1662 test "x$gcc_cv_isl" = xno; then
1663 noconfigdirs="$noconfigdirs cloog isl"
1674 # Check for LTO support.
1676 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1677 enable_lto=$enableval,
1678 enable_lto=yes; default_enable_lto=yes)
1680 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1681 build_lto_plugin=yes
1682 ],[if test x"$default_enable_lto" = x"yes" ; then
1684 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1685 # On other non-ELF platforms, LTO has yet to be validated.
1689 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1690 # It would also be nice to check the binutils support, but we don't
1691 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1692 # warn during gcc/ subconfigure; unless you're bootstrapping with
1693 # -flto it won't be needed until after installation anyway.
1695 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1696 *) if test x"$enable_lto" = x"yes"; then
1697 AC_MSG_ERROR([LTO support is not enabled for this target.])
1702 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1703 # Build it unless LTO was explicitly disabled.
1705 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1711 # By default, C and C++ are the only stage 1 languages.
1712 stage1_languages=,c,
1714 # Target libraries that we bootstrap.
1715 bootstrap_target_libs=,target-libgcc,
1717 # Figure out what language subdirectories are present.
1718 # Look if the user specified --enable-languages="..."; if not, use
1719 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1721 # NB: embedded tabs in this IF block -- do not untabify
1722 if test -d ${srcdir}/gcc; then
1723 if test x"${enable_languages+set}" != xset; then
1724 if test x"${LANGUAGES+set}" = xset; then
1725 enable_languages="${LANGUAGES}"
1726 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1728 enable_languages=all
1731 if test x"${enable_languages}" = x ||
1732 test x"${enable_languages}" = xyes;
1734 echo configure.in: --enable-languages needs at least one language argument 1>&2
1738 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1740 # 'f95' is the old name for the 'fortran' language. We issue a warning
1741 # and make the substitution.
1742 case ,${enable_languages}, in
1744 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1745 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1749 # If bootstrapping, C++ must be enabled.
1750 case ",$enable_languages,:$enable_bootstrap" in
1753 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1754 enable_languages="${enable_languages},c++"
1756 AC_MSG_ERROR([bootstrapping requires c++ sources])
1761 # First scan to see if an enabled language requires some other language.
1762 # We assume that a given config-lang.in will list all the language
1763 # front ends it requires, even if some are required indirectly.
1764 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1765 case ${lang_frag} in
1767 # The odd quoting in the next line works around
1768 # an apparent bug in bash 1.12 on linux.
1769 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1771 # From the config-lang.in, get $language, $lang_requires, and
1772 # $lang_requires_boot_languages.
1775 lang_requires_boot_languages=
1777 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1778 case ,${enable_languages}, in
1782 echo " \`$other' language required by \`$language'; enabling" 1>&2
1783 enable_languages="${enable_languages},${other}"
1787 for other in ${lang_requires_boot_languages} ; do
1788 if test "$other" != "c"; then
1789 case ,${enable_stage1_languages}, in
1793 case ,${enable_languages}, in
1795 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1796 enable_stage1_languages="$enable_stage1_languages,${other}"
1807 new_enable_languages=,c,
1809 # If LTO is enabled, add the LTO front end.
1810 extra_host_libiberty_configure_flags=
1811 if test "$enable_lto" = "yes" ; then
1812 case ,${enable_languages}, in
1814 *) enable_languages="${enable_languages},lto" ;;
1816 if test "${build_lto_plugin}" = "yes" ; then
1817 configdirs="$configdirs lto-plugin"
1818 extra_host_libiberty_configure_flags=--enable-shared
1821 AC_SUBST(extra_host_libiberty_configure_flags)
1823 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1824 potential_languages=,c,
1826 enabled_target_libs=
1827 disabled_target_libs=
1829 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1830 case ${lang_frag} in
1832 # The odd quoting in the next line works around
1833 # an apparent bug in bash 1.12 on linux.
1834 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1836 # From the config-lang.in, get $language, $target_libs,
1837 # $lang_dirs, $boot_language, and $build_by_default
1843 build_by_default=yes
1845 if test x${language} = x; then
1846 echo "${lang_frag} doesn't set \$language." 1>&2
1850 if test "$language" = "c++"; then
1855 case ,${enable_languages}, in
1857 # Language was explicitly selected; include it
1858 # unless it is C, which is enabled by default.
1859 if test "$language" != "c"; then
1864 # 'all' was selected, select it if it is a default language
1865 if test "$language" != "c"; then
1866 add_this_lang=${build_by_default}
1871 # Disable languages that need other directories if these aren't available.
1872 for i in $subdir_requires; do
1873 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1874 case ,${enable_languages}, in
1876 # Specifically requested language; tell them.
1877 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1881 add_this_lang=unsupported
1886 # Disable Ada if no preexisting GNAT is available.
1887 case ,${enable_languages},:${language}:${have_gnat} in
1888 *,${language},*:ada:no)
1889 # Specifically requested language; tell them.
1890 AC_MSG_ERROR([GNAT is required to build $language])
1894 add_this_lang=unsupported
1898 # Disable a language that is unsupported by the target.
1899 case " $unsupported_languages " in
1901 add_this_lang=unsupported
1905 case $add_this_lang in
1907 # Remove language-dependent dirs.
1908 disabled_target_libs="$disabled_target_libs $target_libs"
1909 noconfigdirs="$noconfigdirs $lang_dirs"
1912 # Remove language-dependent dirs; still show language as supported.
1913 disabled_target_libs="$disabled_target_libs $target_libs"
1914 noconfigdirs="$noconfigdirs $lang_dirs"
1915 potential_languages="${potential_languages}${language},"
1918 new_enable_languages="${new_enable_languages}${language},"
1919 potential_languages="${potential_languages}${language},"
1920 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1921 enabled_target_libs="$enabled_target_libs $target_libs"
1922 case "${boot_language}:,$enable_stage1_languages," in
1923 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1924 # Add to (comma-separated) list of stage 1 languages.
1925 case ",$stage1_languages," in
1926 *,$language,* | ,yes, | ,all,) ;;
1927 *) stage1_languages="${stage1_languages}${language}," ;;
1929 # We need to bootstrap any supporting libraries.
1930 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1939 # Add target libraries which are only needed for disabled languages
1941 if test -n "$disabled_target_libs"; then
1942 for dir in $disabled_target_libs; do
1943 case " $enabled_target_libs " in
1945 *) noconfigdirs="$noconfigdirs $dir" ;;
1950 AC_ARG_ENABLE(stage1-languages,
1951 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1952 [choose additional languages to build during
1953 stage1. Mostly useful for compiler development])],
1954 [case ,${enable_stage1_languages}, in
1956 # Set it to something that will have no effect in the loop below
1957 enable_stage1_languages=c ;;
1959 enable_stage1_languages=`echo $new_enable_languages | \
1960 sed -e "s/^,//" -e "s/,$//" ` ;;
1962 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1963 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1966 # Add "good" languages from enable_stage1_languages to stage1_languages,
1967 # while "bad" languages go in missing_languages. Leave no duplicates.
1968 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1969 case $potential_languages in
1971 case $stage1_languages in
1973 *) stage1_languages="$stage1_languages$i," ;;
1976 case $missing_languages in
1978 *) missing_languages="$missing_languages$i," ;;
1983 # Remove leading/trailing commas that were added for simplicity
1984 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1985 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1986 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1987 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1989 if test "x$missing_languages" != x; then
1991 The following requested languages could not be built: ${missing_languages}
1992 Supported languages are: ${potential_languages}])
1994 if test "x$new_enable_languages" != "x$enable_languages"; then
1995 echo The following languages will be built: ${new_enable_languages}
1996 enable_languages="$new_enable_languages"
1999 AC_SUBST(stage1_languages)
2000 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2003 # Handle --disable-<component> generically.
2004 for dir in $configdirs $build_configdirs $target_configdirs ; do
2005 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2006 varname=`echo $dirname | sed -e s/+/_/g`
2007 if eval test x\${enable_${varname}} "=" xno ; then
2008 noconfigdirs="$noconfigdirs $dir"
2012 # Check for Boehm's garbage collector
2013 AC_ARG_ENABLE(objc-gc,
2014 [AS_HELP_STRING([--enable-objc-gc],
2015 [enable use of Boehm's garbage collector with the
2016 GNU Objective-C runtime])],
2017 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2018 *,objc,*:*:yes:*target-boehm-gc*)
2019 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2023 # Make sure we only build Boehm's garbage collector if required.
2024 case ,${enable_languages},:${enable_objc_gc} in
2026 # Keep target-boehm-gc if requested for Objective-C.
2029 # Otherwise remove target-boehm-gc depending on target-libjava.
2030 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2031 noconfigdirs="$noconfigdirs target-boehm-gc"
2036 # Disable libitm and libsanitizer if we're not building C++
2037 case ,${enable_languages}, in
2040 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2044 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2045 # $build_configdirs and $target_configdirs.
2046 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2049 for dir in . $skipdirs $noconfigdirs ; do
2050 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2051 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2052 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2053 if test -r $srcdir/$dirname/configure ; then
2054 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2057 notsupp="$notsupp $dir"
2061 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2062 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2063 if test -r $srcdir/$dirname/configure ; then
2064 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2067 notsupp="$notsupp $dir"
2071 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2072 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2073 if test -r $srcdir/$dirname/configure ; then
2074 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2077 notsupp="$notsupp $dir"
2083 # Quietly strip out all directories which aren't configurable in this tree.
2084 # This relies on all configurable subdirectories being autoconfiscated, which
2086 build_configdirs_all="$build_configdirs"
2088 for i in ${build_configdirs_all} ; do
2089 j=`echo $i | sed -e s/build-//g`
2090 if test -f ${srcdir}/$j/configure ; then
2091 build_configdirs="${build_configdirs} $i"
2095 configdirs_all="$configdirs"
2097 for i in ${configdirs_all} ; do
2098 if test -f ${srcdir}/$i/configure ; then
2099 configdirs="${configdirs} $i"
2103 target_configdirs_all="$target_configdirs"
2105 for i in ${target_configdirs_all} ; do
2106 j=`echo $i | sed -e s/target-//g`
2107 if test -f ${srcdir}/$j/configure ; then
2108 target_configdirs="${target_configdirs} $i"
2112 # Produce a warning message for the subdirs we can't configure.
2113 # This isn't especially interesting in the Cygnus tree, but in the individual
2114 # FSF releases, it's important to let people know when their machine isn't
2115 # supported by the one or two programs in a package.
2117 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2118 # If $appdirs is non-empty, at least one of those directories must still
2119 # be configured, or we error out. (E.g., if the gas release supports a
2120 # specified target in some subdirs but not the gas subdir, we shouldn't
2121 # pretend that all is well.)
2122 if test -n "$appdirs" ; then
2123 for dir in $appdirs ; do
2124 if test -r $dir/Makefile.in ; then
2125 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2129 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2135 if test -n "$appdirs" ; then
2136 echo "*** This configuration is not supported by this package." 1>&2
2140 # Okay, some application will build, or we don't care to check. Still
2141 # notify of subdirs not getting built.
2142 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2143 echo " ${notsupp}" 1>&2
2144 echo " (Any other directories should still work fine.)" 1>&2
2152 # To find our prefix, in gcc_cv_tool_prefix.
2157 AC_ARG_WITH([build-sysroot],
2158 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2159 [use sysroot as the system root during the build])],
2160 [if test x"$withval" != x ; then
2161 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2163 [SYSROOT_CFLAGS_FOR_TARGET=])
2164 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2166 AC_ARG_WITH([debug-prefix-map],
2167 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2168 [map A to B, C to D ... in debug information])],
2169 [if test x"$withval" != x; then
2170 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2171 for debug_map in $withval; do
2172 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2175 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2176 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2178 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2179 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2180 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2181 # We want to ensure that TARGET libraries (which we know are built with
2182 # gcc) are built with "-O2 -g", so include those options when setting
2183 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2184 if test "x$CFLAGS_FOR_TARGET" = x; then
2185 CFLAGS_FOR_TARGET=$CFLAGS
2188 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2191 *" -g "* | *" -g3 "*) ;;
2192 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2195 AC_SUBST(CFLAGS_FOR_TARGET)
2197 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2198 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2199 case " $CXXFLAGS " in
2201 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2203 case " $CXXFLAGS " in
2204 *" -g "* | *" -g3 "*) ;;
2205 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2208 AC_SUBST(CXXFLAGS_FOR_TARGET)
2210 AC_SUBST(LDFLAGS_FOR_TARGET)
2212 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2213 # the named directory are copied to $(tooldir)/sys-include.
2214 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2215 if test x${is_cross_compiler} = xno ; then
2216 echo 1>&2 '***' --with-headers is only supported when cross compiling
2219 if test x"${with_headers}" != xyes ; then
2220 x=${gcc_cv_tool_prefix}
2221 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2225 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2226 # the name directories are copied to $(tooldir)/lib. Multiple directories
2228 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2229 if test x${is_cross_compiler} = xno ; then
2230 echo 1>&2 '***' --with-libs is only supported when cross compiling
2233 if test x"${with_libs}" != xyes ; then
2234 # Copy the libraries in reverse order, so that files in the first named
2235 # library override files in subsequent libraries.
2236 x=${gcc_cv_tool_prefix}
2237 for l in ${with_libs}; do
2238 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2243 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2245 # This is done by determining whether or not the appropriate directory
2246 # is available, and by checking whether or not specific configurations
2247 # have requested that this magic not happen.
2249 # The command line options always override the explicit settings in
2250 # configure.in, and the settings in configure.in override this magic.
2252 # If the default for a toolchain is to use GNU as and ld, and you don't
2253 # want to do that, then you should use the --without-gnu-as and
2254 # --without-gnu-ld options for the configure script. Similarly, if
2255 # the default is to use the included zlib and you don't want to do that,
2256 # you should use the --with-system-zlib option for the configure script.
2258 if test x${use_gnu_as} = x &&
2259 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2261 extra_host_args="$extra_host_args --with-gnu-as"
2264 if test x${use_gnu_ld} = x &&
2265 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2267 extra_host_args="$extra_host_args --with-gnu-ld"
2270 if test x${use_included_zlib} = x &&
2271 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2274 with_system_zlib=yes
2275 extra_host_args="$extra_host_args --with-system-zlib"
2278 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2279 # can detect this case.
2281 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2283 extra_host_args="$extra_host_args --with-newlib"
2286 # Handle ${copy_dirs}
2287 set fnord ${copy_dirs}
2289 while test $# != 0 ; do
2290 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2293 echo Copying $1 to $2
2295 # Use the install script to create the directory and all required
2296 # parent directories.
2297 if test -d $2 ; then
2301 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2304 # Copy the directory, assuming we have tar.
2305 # FIXME: Should we use B in the second tar? Not all systems support it.
2306 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2308 # It is the responsibility of the user to correctly adjust all
2309 # symlinks. If somebody can figure out how to handle them correctly
2310 # here, feel free to add the code.
2317 # Determine a target-dependent exec_prefix that the installed
2318 # gcc will search in. Keep this list sorted by triplet, with
2319 # the *-*-osname triplets last.
2322 i[[34567]]86-pc-msdosdjgpp*)
2323 md_exec_prefix=/dev/env/DJDIR/bin
2328 md_exec_prefix=/usr/ccs/bin
2332 extra_arflags_for_target=
2333 extra_nmflags_for_target=
2334 extra_ranlibflags_for_target=
2335 target_makefile_frag=/dev/null
2338 target_makefile_frag="config/mt-spu"
2340 mips*-sde-elf* | mips*-mti-elf*)
2341 target_makefile_frag="config/mt-sde"
2343 mipsisa*-*-elfoabi*)
2344 target_makefile_frag="config/mt-mips-elfoabi"
2346 mips*-*-*linux* | mips*-*-gnu*)
2347 target_makefile_frag="config/mt-mips-gnu"
2349 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2350 target_makefile_frag="config/mt-gnu"
2352 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2353 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2354 # commands to handle both 32-bit and 64-bit objects. These flags are
2355 # harmless if we're using GNU nm or ar.
2356 extra_arflags_for_target=" -X32_64"
2357 extra_nmflags_for_target=" -B -X32_64"
2361 alphaieee_frag=/dev/null
2364 # This just makes sure to use the -mieee option to build target libs.
2365 # This should probably be set individually by each library.
2366 alphaieee_frag="config/mt-alphaieee"
2370 # If --enable-target-optspace always use -Os instead of -O2 to build
2371 # the target libraries, similarly if it is not specified, use -Os
2372 # on selected platforms.
2373 ospace_frag=/dev/null
2374 case "${enable_target_optspace}:${target}" in
2376 ospace_frag="config/mt-ospace"
2379 ospace_frag="config/mt-d30v"
2381 :m32r-* | :d10v-* | :fr30-*)
2382 ospace_frag="config/mt-ospace"
2387 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2391 # Some systems (e.g., one of the i386-aix systems the gas testers are
2392 # using) don't handle "\$" correctly, so don't use it here.
2393 tooldir='${exec_prefix}'/${target_noncanonical}
2394 build_tooldir=${tooldir}
2396 # Create a .gdbinit file which runs the one in srcdir
2397 # and tells GDB to look there for source files.
2399 if test -r ${srcdir}/.gdbinit ; then
2402 *) cat > ./.gdbinit <<EOF
2406 source ${srcdir}/.gdbinit
2412 # Make sure that the compiler is able to generate an executable. If it
2413 # can't, we are probably in trouble. We don't care whether we can run the
2414 # executable--we might be using a cross compiler--we only care whether it
2415 # can be created. At this point the main configure script has set CC.
2417 echo "int main () { return 0; }" > conftest.c
2418 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2419 if test $? = 0 ; then
2420 if test -s conftest || test -s conftest.exe ; then
2426 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2427 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2434 # Decide which environment variable is used to find dynamic libraries.
2436 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2437 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2438 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2439 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2442 # On systems where the dynamic library environment variable is PATH,
2443 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2444 # built executables to PATH.
2445 if test "$RPATH_ENVVAR" = PATH; then
2446 GCC_SHLIB_SUBDIR=/shlib
2451 # Record target_configdirs and the configure arguments for target and
2452 # build configuration in Makefile.
2453 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2454 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2456 # If we are building libgomp, bootstrap it.
2457 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2458 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2461 # If we are building libsanitizer, bootstrap it.
2462 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2463 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2466 # Determine whether gdb needs tk/tcl or not.
2467 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2468 # and in that case we want gdb to be built without tk. Ugh!
2469 # In fact I believe gdb is the *only* package directly dependent on tk,
2470 # so we should be able to put the 'maybe's in unconditionally and
2471 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2472 # 100% sure that that's safe though.
2474 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2475 case "$enable_gdbtk" in
2479 GDB_TK="${gdb_tk}" ;;
2481 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2482 # distro. Eventually someone will fix this and move Insight, nee
2483 # gdbtk to a separate directory.
2484 if test -d ${srcdir}/gdb/gdbtk ; then
2491 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2492 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2494 # Strip out unwanted targets.
2496 # While at that, we remove Makefiles if we were started for recursive
2497 # configuration, so that the top-level Makefile reconfigures them,
2498 # like we used to do when configure itself was recursive.
2500 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2501 # but now we're fixing up the Makefile ourselves with the additional
2502 # commands passed to AC_CONFIG_FILES. Use separate variables
2503 # extrasub-{build,host,target} not because there is any reason to split
2504 # the substitutions up that way, but only to remain below the limit of
2505 # 99 commands in a script, for HP-UX sed.
2506 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2508 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2509 yes:yes:*\ gold\ *:*,c++,*) ;;
2510 yes:yes:*\ gold\ *:*)
2511 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2515 # Adjust the toplevel makefile according to whether bootstrap was selected.
2516 case $enable_bootstrap in
2518 bootstrap_suffix=bootstrap
2519 BUILD_CONFIG=bootstrap-debug
2522 bootstrap_suffix=no-bootstrap
2527 AC_MSG_CHECKING(for default BUILD_CONFIG)
2529 AC_ARG_WITH([build-config],
2530 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2531 [use config/NAME.mk build configuration])],
2532 [case $with_build_config in
2533 yes) with_build_config= ;;
2534 no) with_build_config= BUILD_CONFIG= ;;
2537 if test "x${with_build_config}" != x; then
2538 BUILD_CONFIG=$with_build_config
2540 case $BUILD_CONFIG in
2542 if echo "int f (void) { return 0; }" > conftest.c &&
2543 ${CC} -c conftest.c &&
2544 mv conftest.o conftest.o.g0 &&
2545 ${CC} -c -g conftest.c &&
2546 mv conftest.o conftest.o.g &&
2547 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2552 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2556 AC_MSG_RESULT($BUILD_CONFIG)
2557 AC_SUBST(BUILD_CONFIG)
2560 for module in ${build_configdirs} ; do
2561 if test -z "${no_recursion}" \
2562 && test -f ${build_subdir}/${module}/Makefile; then
2563 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2564 rm -f ${build_subdir}/${module}/Makefile
2566 extrasub_build="$extrasub_build
2567 /^@if build-$module\$/d
2568 /^@endif build-$module\$/d
2569 /^@if build-$module-$bootstrap_suffix\$/d
2570 /^@endif build-$module-$bootstrap_suffix\$/d"
2573 for module in ${configdirs} ; do
2574 if test -z "${no_recursion}"; then
2575 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2576 if test -f ${file}; then
2577 echo 1>&2 "*** removing ${file} to force reconfigure"
2582 extrasub_host="$extrasub_host
2584 /^@endif $module\$/d
2585 /^@if $module-$bootstrap_suffix\$/d
2586 /^@endif $module-$bootstrap_suffix\$/d"
2589 for module in ${target_configdirs} ; do
2590 if test -z "${no_recursion}" \
2591 && test -f ${target_subdir}/${module}/Makefile; then
2592 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2593 rm -f ${target_subdir}/${module}/Makefile
2596 # We only bootstrap target libraries listed in bootstrap_target_libs.
2597 case $bootstrap_target_libs in
2598 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2599 *) target_bootstrap_suffix=no-bootstrap ;;
2602 extrasub_target="$extrasub_target
2603 /^@if target-$module\$/d
2604 /^@endif target-$module\$/d
2605 /^@if target-$module-$target_bootstrap_suffix\$/d
2606 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2609 # Do the final fixup along with target modules.
2610 extrasub_target="$extrasub_target
2611 /^@if /,/^@endif /d"
2613 # Create the serialization dependencies. This uses a temporary file.
2615 AC_ARG_ENABLE([serial-configure],
2616 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2617 [force sequential configuration of
2618 sub-packages for the host, target or build
2619 machine, or all sub-packages])])
2621 case ${enable_serial_configure} in
2623 enable_serial_build_configure=yes
2624 enable_serial_host_configure=yes
2625 enable_serial_target_configure=yes
2629 # These force 'configure's to be done one at a time, to avoid problems
2630 # with contention over a shared config.cache.
2632 echo '# serdep.tmp' > serdep.tmp
2634 test "x${enable_serial_build_configure}" = xyes &&
2635 for item in ${build_configdirs} ; do
2638 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2643 test "x${enable_serial_host_configure}" = xyes &&
2644 for item in ${configdirs} ; do
2647 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2652 test "x${enable_serial_target_configure}" = xyes &&
2653 for item in ${target_configdirs} ; do
2656 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2660 serialization_dependencies=serdep.tmp
2661 AC_SUBST_FILE(serialization_dependencies)
2663 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2664 # target, nonopt, and variable assignments. These are the ones we
2665 # might not want to pass down to subconfigures. The exception being
2666 # --cache-file=/dev/null, which is used to turn off the use of cache
2667 # files altogether, and which should be passed on to subconfigures.
2668 # Also strip program-prefix, program-suffix, and program-transform-name,
2669 # so that we can pass down a consistent program-transform-name.
2674 eval "set -- $ac_configure_args"
2677 if test X"$skip_next" = X"yes"; then
2681 if test X"$keep_next" = X"yes"; then
2684 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2686 baseargs="$baseargs '$ac_arg'"
2687 tbaseargs="$tbaseargs '$ac_arg'"
2692 # Handle separated arguments. Based on the logic generated by
2695 *=* | --config-cache | -C | -disable-* | --disable-* \
2696 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2697 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2698 | -with-* | --with-* | -without-* | --without-* | --x)
2712 --with-* | --without-*)
2713 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2717 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2720 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2729 mpc | mpfr | gmp | cloog)
2730 # If we're processing --with-$lib, --with-$lib-include or
2731 # --with-$lib-lib, for one of the libs above, and target is
2732 # different from host, don't pass the current argument to any
2733 # target library's configure.
2734 if test x$is_cross_compiler = xyes; then
2743 --cache-file=/dev/null | \
2744 -cache-file=/dev/null )
2745 # Handled here to avoid the test to skip args below.
2746 baseargs="$baseargs '$ac_arg'"
2747 tbaseargs="$tbaseargs '$ac_arg'"
2748 # Assert: $separate_arg should always be no.
2749 keep_next=$separate_arg
2765 -program-prefix* | \
2766 -program-suffix* | \
2767 -program-transform-name* )
2768 skip_next=$separate_arg
2772 # An option. Add it.
2775 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2777 baseargs="$baseargs '$ac_arg'"
2778 if test X"$skip_targ" = Xno; then
2779 tbaseargs="$tbaseargs '$ac_arg'"
2781 keep_next=$separate_arg
2784 # Either a variable assignment, or a nonopt (triplet). Don't
2785 # pass it down; let the Makefile handle this.
2790 # Remove the initial space we just introduced and, as these will be
2791 # expanded by make, quote '$'.
2792 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2794 # Add in --program-transform-name, after --program-prefix and
2795 # --program-suffix have been applied to it. Autoconf has already
2796 # doubled dollar signs and backslashes in program_transform_name; we want
2797 # the backslashes un-doubled, and then the entire thing wrapped in single
2798 # quotes, because this will be expanded first by make and then by the shell.
2799 # Also, because we want to override the logic in subdir configure scripts to
2800 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2801 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2802 ${program_transform_name}
2804 gcc_transform_name=`cat conftestsed.out`
2805 rm -f conftestsed.out
2806 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2807 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2808 if test "$silent" = yes; then
2809 baseargs="$baseargs --silent"
2810 tbaseargs="$tbaseargs --silent"
2812 baseargs="$baseargs --disable-option-checking"
2813 tbaseargs="$tbaseargs --disable-option-checking"
2815 # Record and document user additions to sub configure arguments.
2816 AC_ARG_VAR([build_configargs],
2817 [additional configure arguments for build directories])
2818 AC_ARG_VAR([host_configargs],
2819 [additional configure arguments for host directories])
2820 AC_ARG_VAR([target_configargs],
2821 [additional configure arguments for target directories])
2823 # For the build-side libraries, we just need to pretend we're native,
2824 # and not use the same cache file. Multilibs are neither needed nor
2826 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2828 # For host modules, accept cache file option, or specification as blank.
2829 case "${cache_file}" in
2831 cache_file_option="" ;;
2832 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2833 cache_file_option="--cache-file=${cache_file}" ;;
2835 cache_file_option="--cache-file=../${cache_file}" ;;
2838 # Host dirs don't like to share a cache file either, horribly enough.
2839 # This seems to be due to autoconf 2.5x stupidity.
2840 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2842 target_configargs="$target_configargs ${tbaseargs}"
2844 # Passing a --with-cross-host argument lets the target libraries know
2845 # whether they are being built with a cross-compiler or being built
2846 # native. However, it would be better to use other mechanisms to make the
2847 # sorts of decisions they want to make on this basis. Please consider
2848 # this option to be deprecated. FIXME.
2849 if test x${is_cross_compiler} = xyes ; then
2850 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2853 # Default to --enable-multilib.
2854 if test x${enable_multilib} = x ; then
2855 target_configargs="--enable-multilib ${target_configargs}"
2858 # Pass --with-newlib if appropriate. Note that target_configdirs has
2859 # changed from the earlier setting of with_newlib.
2860 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2861 target_configargs="--with-newlib ${target_configargs}"
2864 # Different target subdirs use different values of certain variables
2865 # (notably CXX). Worse, multilibs use *lots* of different values.
2866 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2867 # it doesn't automatically accept command-line overrides of them.
2868 # This means it's not safe for target subdirs to share a cache file,
2869 # which is disgusting, but there you have it. Hopefully this can be
2870 # fixed in future. It's still worthwhile to use a cache file for each
2871 # directory. I think.
2873 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2874 # We need to pass --target, as newer autoconf's requires consistency
2875 # for target_alias and gcc doesn't manage it consistently.
2876 target_configargs="--cache-file=./config.cache ${target_configargs}"
2879 case " $target_configdirs " in
2881 case " $target_configargs " in
2882 *" --with-newlib "*)
2885 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2889 # If we're not building GCC, don't discard standard headers.
2890 if test -d ${srcdir}/gcc; then
2891 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2893 if test "${build}" != "${host}"; then
2894 # On Canadian crosses, CC_FOR_TARGET will have already been set
2895 # by `configure', so we won't have an opportunity to add -Bgcc/
2896 # to it. This is right: we don't want to search that directory
2897 # for binaries, but we want the header files in there, so add
2899 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2901 # Someone might think of using the pre-installed headers on
2902 # Canadian crosses, in case the installed compiler is not fully
2903 # compatible with the compiler being built. In this case, it
2904 # would be better to flag an error than risking having
2905 # incompatible object files being constructed. We can't
2906 # guarantee that an error will be flagged, but let's hope the
2907 # compiler will do it, when presented with incompatible header
2912 case "${target}-${is_cross_compiler}" in
2913 i[[3456789]]86-*-linux*-no)
2914 # Here host == target, so we don't need to build gcc,
2915 # so we don't want to discard standard headers.
2916 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2919 # If we're building newlib, use its generic headers last, but search
2920 # for any libc-related directories first (so make it the last -B
2922 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2924 # If we're building libgloss, find the startup file, simulator library
2925 # and linker script.
2926 case " $target_configdirs " in
2928 # Look for startup file, simulator library and maybe linker script.
2929 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2930 # Look for libnosys.a in case the target needs it.
2931 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2932 # Most targets have the linker script in the source directory.
2933 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2944 x86_64-*mingw* | *-w64-mingw*)
2945 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2946 # however, use a symlink named 'mingw' in ${prefix} .
2947 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2950 # MinGW can't be handled as Cygwin above since it does not use newlib.
2951 FLAGS_FOR_TARGET=$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'
2955 # Allow the user to override the flags for
2956 # our build compiler if desired.
2957 if test x"${build}" = x"${host}" ; then
2958 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2959 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2960 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2963 # On Canadian crosses, we'll be searching the right directories for
2964 # the previously-installed cross compiler, so don't bother to add
2965 # flags for directories within the install tree of the compiler
2966 # being built; programs in there won't even run.
2967 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2968 # Search for pre-installed headers if nothing else fits.
2969 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2972 if test "x${use_gnu_ld}" = x &&
2973 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2974 # Arrange for us to find uninstalled linker scripts.
2975 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2978 # Search for other target-specific linker scripts and such.
2981 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2985 # Makefile fragments.
2986 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2988 eval fragval=\$$frag
2989 if test $fragval != /dev/null; then
2990 eval $frag=${srcdir}/$fragval
2993 AC_SUBST_FILE(host_makefile_frag)
2994 AC_SUBST_FILE(target_makefile_frag)
2995 AC_SUBST_FILE(alphaieee_frag)
2996 AC_SUBST_FILE(ospace_frag)
2998 # Miscellanea: directories, flags, etc.
2999 AC_SUBST(RPATH_ENVVAR)
3000 AC_SUBST(GCC_SHLIB_SUBDIR)
3002 AC_SUBST(build_tooldir)
3003 AC_SUBST(CONFIGURE_GDB_TK)
3005 AC_SUBST(INSTALL_GDB_TK)
3007 # Build module lists & subconfigure args.
3008 AC_SUBST(build_configargs)
3009 AC_SUBST(build_configdirs)
3011 # Host module lists & subconfigure args.
3012 AC_SUBST(host_configargs)
3013 AC_SUBST(configdirs)
3014 AC_SUBST(target_configdirs)
3016 # Target module lists & subconfigure args.
3017 AC_SUBST(target_configargs)
3021 AC_SUBST(AR_FOR_BUILD)
3022 AC_SUBST(AS_FOR_BUILD)
3023 AC_SUBST(CC_FOR_BUILD)
3024 AC_SUBST(CFLAGS_FOR_BUILD)
3025 AC_SUBST(CXXFLAGS_FOR_BUILD)
3026 AC_SUBST(CXX_FOR_BUILD)
3027 AC_SUBST(DLLTOOL_FOR_BUILD)
3028 AC_SUBST(GCJ_FOR_BUILD)
3029 AC_SUBST(GFORTRAN_FOR_BUILD)
3030 AC_SUBST(GOC_FOR_BUILD)
3031 AC_SUBST(LDFLAGS_FOR_BUILD)
3032 AC_SUBST(LD_FOR_BUILD)
3033 AC_SUBST(NM_FOR_BUILD)
3034 AC_SUBST(RANLIB_FOR_BUILD)
3035 AC_SUBST(WINDMC_FOR_BUILD)
3036 AC_SUBST(WINDRES_FOR_BUILD)
3038 # Generate default definitions for YACC, M4, LEX and other programs that run
3039 # on the build machine. These are used if the Makefile can't locate these
3040 # programs in objdir.
3041 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3043 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3044 case " $build_configdirs " in
3045 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3048 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3049 case " $build_configdirs " in
3050 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3053 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3054 case " $build_configdirs " in
3055 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3058 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3059 case " $build_configdirs " in
3060 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3061 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3064 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3065 case " $build_configdirs " in
3066 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3069 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3070 case " $build_configdirs " in
3071 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3074 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3075 # higher, else we use the "missing" dummy.
3076 if ${MAKEINFO} --version \
3077 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3080 MAKEINFO="$MISSING makeinfo"
3086 # FIXME: expect and dejagnu may become build tools?
3088 AC_CHECK_PROGS(EXPECT, expect, expect)
3089 case " $configdirs " in
3091 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3095 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3096 case " $configdirs " in
3098 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3104 NCN_STRICT_CHECK_TOOLS(AR, ar)
3105 NCN_STRICT_CHECK_TOOLS(AS, as)
3106 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3107 NCN_STRICT_CHECK_TOOLS(LD, ld)
3108 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3109 NCN_STRICT_CHECK_TOOLS(NM, nm)
3110 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3111 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3112 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3113 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3114 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3115 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3116 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3123 AC_ARG_WITH([build-time-tools],
3124 [AS_HELP_STRING([--with-build-time-tools=PATH],
3125 [use given path to find target tools during the build])],
3126 [case x"$withval" in
3129 with_build_time_tools=
3130 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3133 [with_build_time_tools=])
3135 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3136 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3137 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3138 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3139 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3140 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3142 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3143 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3144 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3145 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3146 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3147 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3148 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3149 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3150 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3151 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3152 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3153 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3155 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3157 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3158 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3159 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3160 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3161 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3162 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3164 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3165 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3167 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3168 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3169 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3170 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3171 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3172 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3173 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3174 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3175 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3176 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3177 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3178 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3179 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3180 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3181 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3182 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3183 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3185 AC_SUBST(FLAGS_FOR_TARGET)
3186 AC_SUBST(RAW_CXX_FOR_TARGET)
3188 # Certain tools may need extra flags.
3189 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3190 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3191 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3193 # When building target libraries, except in a Canadian cross, we use
3194 # the same toolchain as the compiler we just built.
3195 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3196 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3197 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3198 if test $host = $build; then
3199 case " $configdirs " in
3201 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3202 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3203 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3208 AC_SUBST(COMPILER_AS_FOR_TARGET)
3209 AC_SUBST(COMPILER_LD_FOR_TARGET)
3210 AC_SUBST(COMPILER_NM_FOR_TARGET)
3212 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3213 AC_ARG_ENABLE(maintainer-mode,
3214 [AS_HELP_STRING([--enable-maintainer-mode],
3215 [enable make rules and dependencies not useful
3216 (and sometimes confusing) to the casual installer])],
3217 USE_MAINTAINER_MODE=$enableval,
3218 USE_MAINTAINER_MODE=no)
3219 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3220 AC_SUBST(MAINTAINER_MODE_TRUE)
3221 AC_SUBST(MAINTAINER_MODE_FALSE)
3222 if test "$USE_MAINTAINER_MODE" = yes; then
3223 MAINTAINER_MODE_TRUE=
3224 MAINTAINER_MODE_FALSE='#'
3226 MAINTAINER_MODE_TRUE='#'
3227 MAINTAINER_MODE_FALSE=
3229 MAINT=$MAINTAINER_MODE_TRUE
3232 # ---------------------
3233 # GCC bootstrap support
3234 # ---------------------
3236 # Stage specific cflags for build.
3241 yes) stage1_cflags="-g -Wa,-J" ;;
3242 *) stage1_cflags="-g -J" ;;
3246 AC_SUBST(stage1_cflags)
3248 # Enable --enable-checking in stage1 of the compiler.
3249 AC_ARG_ENABLE(stage1-checking,
3250 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3251 [choose additional checking for stage1 of the compiler])],
3252 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3253 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3254 stage1_checking=--enable-checking=yes,types
3256 stage1_checking=--enable-checking=$enable_checking,types
3258 AC_SUBST(stage1_checking)
3260 # Enable -Werror in bootstrap stage2 and later.
3261 AC_ARG_ENABLE(werror,
3262 [AS_HELP_STRING([--enable-werror],
3263 [enable -Werror in bootstrap stage2 and later])], [],
3264 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3269 case ${enable_werror} in
3270 yes) stage2_werror_flag="--enable-werror-always" ;;
3271 *) stage2_werror_flag="" ;;
3273 AC_SUBST(stage2_werror_flag)
3275 # Specify what files to not compare during bootstrap.
3277 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3279 hppa*64*-*-hpux*) ;;
3280 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3281 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3283 AC_SUBST(compare_exclusions)
3285 AC_CONFIG_FILES([Makefile],
3286 [sed "$extrasub_build" Makefile |
3287 sed "$extrasub_host" |
3288 sed "$extrasub_target" > mf$$
3289 mv -f mf$$ Makefile],
3290 [extrasub_build="$extrasub_build"
3291 extrasub_host="$extrasub_host"
3292 extrasub_target="$extrasub_target"])
projects / deliverable / binutils-gdb.git / blob