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 accel-gcc 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 \
162 target-libstdc++-v3 \
163 target-libsanitizer \
174 # these tools are built using the target libraries, and are intended to
175 # run only in the target environment
177 # note: any program that *uses* libraries that are in the "target_libraries"
178 # list belongs in this list.
180 target_tools="target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 m4_divert_text([PARSE_ARGS],
196 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198 m4_popdef([AS_MESSAGE_LOG_FD])dnl
201 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
204 ################################################################################
206 srcname="gnu development package"
208 # This gets set non-empty for some net releases of packages.
211 # Define is_cross_compiler to save on calls to 'test'.
213 if test x"${host}" = x"${target}" ; then
216 is_cross_compiler=yes
219 # Find the build and target subdir names.
221 # Be sure to cover against remnants of an in-tree build.
222 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224 Use a pristine source tree when building in a separate tree])
227 # Skipdirs are removed silently.
229 # Noconfigdirs are removed loudly.
233 # Make sure we don't let GNU ld be added if we didn't want it.
234 if test x$with_gnu_ld = xno ; then
236 noconfigdirs="$noconfigdirs ld gold"
240 # Make sure we don't let GNU as be added if we didn't want it.
241 if test x$with_gnu_as = xno ; then
243 noconfigdirs="$noconfigdirs gas"
247 # Make sure we don't let ZLIB be added if we didn't want it.
248 if test x$with_system_zlib = xyes ; then
250 noconfigdirs="$noconfigdirs zlib"
253 # some tools are so dependent upon X11 that if we're not building with X,
254 # it's not even worth trying to configure, much less build, that tool.
257 yes | "") ;; # the default value for this tree is that X11 is available
259 skipdirs="${skipdirs} tk itcl libgui"
260 # We won't be able to build gdbtk without X.
263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
266 # Some are only suitable for cross toolchains.
267 # Remove these if host=target.
268 cross_only="target-libgloss target-newlib target-opcodes"
270 case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
274 # If both --with-headers and --with-libs are specified, default to
276 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
278 if test x"${with_newlib}" = x ; then
283 # Recognize --with-newlib/--without-newlib.
284 case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
289 # Handle --enable-accelerator. This is in top-level because both libgomp and
290 # GCC proper need this information.
291 # --disable-accelerator
292 # Default. Do not build accelerator pieces, only support host execution.
293 # --enable-accelerator=auto-device-triplet
294 # If possible, build accelerator pieces for 'device-triplet'.
295 # --enable-accelerator=device-triplet
296 # Build accelerator pieces for 'device-triplet'.
297 AC_ARG_ENABLE(accelerator,
298 [AS_HELP_STRING([[--enable-accelerator[=ARG]]],
299 [build accelerator @<:@ARG={no,auto-device-triplet,device-triplet}@:>@])],
300 ENABLE_ACCELERATOR=$enableval,
301 ENABLE_ACCELERATOR=no)
302 accel_target_noncanonical=NONE
303 case "${ENABLE_ACCELERATOR}" in
305 AC_MSG_ERROR([--enable-accelerators must name accelerator])
306 skipdirs="${skipdirs} accel-gcc"
309 skipdirs="${skipdirs} accel-gcc"
312 accel_target_noncanonical=`echo "$ENABLE_ACCELERATOR" | sed -e s/auto-//g`
315 AC_MSG_ERROR([unrecognized accelerator])
316 skipdirs="${skipdirs} accel-gcc"
320 ACX_CANONICAL_ACCEL_TARGET
322 # Handle --enable-gold, --enable-ld.
323 # --disable-gold [--enable-ld]
324 # Build only ld. Default option.
325 # --enable-gold [--enable-ld]
326 # Build both gold and ld. Install gold as "ld.gold", install ld
327 # as "ld.bfd" and "ld".
328 # --enable-gold=default [--enable-ld]
329 # Build both gold and ld. Install gold as "ld.gold" and "ld",
330 # install ld as "ld.bfd".
331 # --enable-gold[=default] --disable-ld
332 # Build only gold, which is then installed as both "ld.gold" and "ld".
333 # --enable-gold --enable-ld=default
334 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
336 # In other words, ld is default
337 # --enable-gold=default --enable-ld=default
342 [AS_HELP_STRING([[--enable-gold[=ARG]]],
343 [build gold @<:@ARG={default,yes,no}@:>@])],
344 ENABLE_GOLD=$enableval,
346 case "${ENABLE_GOLD}" in
348 # Check for ELF target.
351 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
352 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
353 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
354 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
356 *-*-linux*aout* | *-*-linux*oldld*)
364 if test "$is_elf" = "yes"; then
365 # Check for target supported by gold.
367 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
368 configdirs="$configdirs gold"
369 if test x${ENABLE_GOLD} = xdefault; then
380 AC_MSG_ERROR([invalid --enable-gold argument])
385 [AS_HELP_STRING([[--enable-ld[=ARG]]],
386 [build ld @<:@ARG={default,yes,no}@:>@])],
387 ENABLE_LD=$enableval,
390 case "${ENABLE_LD}" in
392 if test x${default_ld} != x; then
393 AC_MSG_ERROR([either gold or ld can be the default ld])
399 if test x${ENABLE_GOLD} != xyes; then
400 AC_MSG_WARN([neither ld nor gold are enabled])
402 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
405 AC_MSG_ERROR([invalid --enable-ld argument])
409 # Configure extra directories which are host specific
413 configdirs="$configdirs libtermcap" ;;
416 # A target can indicate whether a language isn't supported for some reason.
417 # Only spaces may be used in this macro; not newlines or tabs.
418 unsupported_languages=
420 # Remove more programs from consideration, based on the host or
421 # target this usually means that a port of the program doesn't
425 i[[3456789]]86-*-msdosdjgpp*)
426 noconfigdirs="$noconfigdirs tcl tk itcl"
431 AC_ARG_ENABLE(libquadmath,
432 AS_HELP_STRING([--disable-libquadmath],
433 [do not build libquadmath directory]),
434 ENABLE_LIBQUADMATH=$enableval,
435 ENABLE_LIBQUADMATH=yes)
436 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
437 noconfigdirs="$noconfigdirs target-libquadmath"
441 AC_ARG_ENABLE(libquadmath-support,
442 AS_HELP_STRING([--disable-libquadmath-support],
443 [disable libquadmath support for Fortran]),
444 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
445 ENABLE_LIBQUADMATH_SUPPORT=yes)
446 enable_libquadmath_support=
447 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
448 enable_libquadmath_support=no
452 AC_ARG_ENABLE(libada,
453 [AS_HELP_STRING([--enable-libada], [build libada directory])],
454 ENABLE_LIBADA=$enableval,
456 if test "${ENABLE_LIBADA}" != "yes" ; then
457 noconfigdirs="$noconfigdirs gnattools"
460 AC_ARG_ENABLE(libssp,
461 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
462 ENABLE_LIBSSP=$enableval,
465 AC_ARG_ENABLE(libstdcxx,
466 AS_HELP_STRING([--disable-libstdcxx],
467 [do not build libstdc++-v3 directory]),
468 ENABLE_LIBSTDCXX=$enableval,
469 ENABLE_LIBSTDCXX=default)
470 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
471 noconfigdirs="$noconfigdirs libstdc++-v3"
474 # Save it here so that, even in case of --enable-libgcj, if the Java
475 # front-end isn't enabled, we still get libgcj disabled.
477 case $enable_libgcj in
479 # If we reset it here, it won't get added to noconfigdirs in the
480 # target-specific build rules, so it will be forcibly enabled
481 # (unless the Java language itself isn't enabled).
485 # Make sure we get it printed in the list of not supported target libs.
486 # Don't disable libffi, though, other languages use it.
487 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
488 # Clear libgcj_saved so that even if java is enabled libffi won't be
494 AC_ARG_ENABLE(static-libjava,
495 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
496 [build static libjava @<:@default=no@:>@])],
497 ENABLE_STATIC_LIBJAVA=$enableval,
498 ENABLE_STATIC_LIBJAVA=no)
499 enable_static_libjava=
500 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
501 enable_static_libjava=yes
504 if test x$enable_static_libjava != xyes ; then
505 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
507 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
509 # Disable libgomp on non POSIX hosted systems.
510 if test x$enable_libgomp = x ; then
511 # Enable libgomp by default on hosted POSIX systems.
513 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
515 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
517 *-*-solaris2* | *-*-hpux11*)
519 *-*-darwin* | *-*-aix*)
522 noconfigdirs="$noconfigdirs target-libgomp"
527 # Disable libatomic on unsupported systems.
528 if test -d ${srcdir}/libatomic; then
529 if test x$enable_libatomic = x; then
530 AC_MSG_CHECKING([for libatomic support])
531 if (srcdir=${srcdir}/libatomic; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
536 noconfigdirs="$noconfigdirs target-libatomic"
543 # Disable libcilkrts on unsupported systems.
544 if test -d ${srcdir}/libcilkrts; then
545 if test x$enable_libcilkrts = x; then
546 AC_MSG_CHECKING([for libcilkrts support])
547 if (srcdir=${srcdir}/libcilkrts; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
552 noconfigdirs="$noconfigdirs target-libcilkrts"
559 # Disable libitm on unsupported systems.
560 if test -d ${srcdir}/libitm; then
561 if test x$enable_libitm = x; then
562 AC_MSG_CHECKING([for libitm support])
563 if (srcdir=${srcdir}/libitm; \
564 . ${srcdir}/configure.tgt; \
565 test -n "$UNSUPPORTED")
568 noconfigdirs="$noconfigdirs target-libitm"
575 # Disable libsanitizer on unsupported systems.
576 if test -d ${srcdir}/libsanitizer; then
577 if test x$enable_libsanitizer = x; then
578 AC_MSG_CHECKING([for libsanitizer support])
579 if (srcdir=${srcdir}/libsanitizer; \
580 . ${srcdir}/configure.tgt; \
581 test -n "$UNSUPPORTED")
584 noconfigdirs="$noconfigdirs target-libsanitizer"
591 # Disable libvtv on unsupported systems.
592 if test -d ${srcdir}/libvtv; then
593 if test x$enable_libvtv = x; then
594 AC_MSG_CHECKING([for libvtv support])
595 if (srcdir=${srcdir}/libvtv; \
596 . ${srcdir}/configure.tgt; \
597 test "$VTV_SUPPORTED" != "yes")
600 noconfigdirs="$noconfigdirs target-libvtv"
607 # Disable libquadmath for some systems.
610 noconfigdirs="$noconfigdirs target-libquadmath"
612 # libquadmath is unused on AIX and libquadmath build process use of
613 # LD_LIBRARY_PATH can break AIX bootstrap.
614 powerpc-*-aix* | rs6000-*-aix*)
615 noconfigdirs="$noconfigdirs target-libquadmath"
619 # Disable libssp for some systems.
622 # No hosted I/O support.
623 noconfigdirs="$noconfigdirs target-libssp"
625 powerpc-*-aix* | rs6000-*-aix*)
626 noconfigdirs="$noconfigdirs target-libssp"
629 # libssp uses a misaligned load to trigger a fault, but the RL78
630 # doesn't fault for those - instead, it gives a build-time error
631 # for explicit misaligned loads.
632 noconfigdirs="$noconfigdirs target-libssp"
636 # Disable libstdc++-v3 for some systems.
637 # Allow user to override this if they pass --enable-libstdc++-v3
638 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
641 # VxWorks uses the Dinkumware C++ library.
642 noconfigdirs="$noconfigdirs target-libstdc++-v3"
645 # the C++ libraries don't build on top of CE's C libraries
646 noconfigdirs="$noconfigdirs target-libstdc++-v3"
649 noconfigdirs="$noconfigdirs target-libstdc++-v3"
654 # Disable Fortran for some systems.
657 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
658 unsupported_languages="$unsupported_languages fortran"
662 # Disable Java if libffi is not supported.
694 powerpc-*-aix* | rs6000-*-aix*)
698 powerpc64-*-freebsd*)
702 s390-*-* | s390x-*-*)
704 sh-*-* | sh[[34]]*-*-*)
713 unsupported_languages="$unsupported_languages java"
717 # Disable Java, libgcj or related libraries for some systems.
721 i[[3456789]]86-*-darwin*)
723 x86_64-*-darwin[[912]]*)
726 noconfigdirs="$noconfigdirs ${libgcj}"
729 noconfigdirs="$noconfigdirs ${libgcj}"
732 noconfigdirs="$noconfigdirs ${libgcj}"
735 noconfigdirs="$noconfigdirs ${libgcj}"
738 noconfigdirs="$noconfigdirs ${libgcj}"
741 noconfigdirs="$noconfigdirs ${libgcj}"
744 noconfigdirs="$noconfigdirs ${libgcj}"
747 noconfigdirs="$noconfigdirs ${libgcj}"
750 noconfigdirs="$noconfigdirs ${libgcj}"
753 noconfigdirs="$noconfigdirs target-boehm-gc"
755 cris-*-* | crisv32-*-*)
756 unsupported_languages="$unsupported_languages java"
760 *) # See PR46792 regarding target-libffi.
761 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
765 # In this case, it's because the hppa64-linux target is for
766 # the kernel only at this point and has no libc, and thus no
767 # headers, crt*.o, etc., all of which are needed by these.
768 unsupported_languages="$unsupported_languages java"
771 noconfigdirs="$noconfigdirs ${libgcj}"
776 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
777 # build on HP-UX 10.20.
778 noconfigdirs="$noconfigdirs ${libgcj}"
781 noconfigdirs="$noconfigdirs ${libgcj}"
783 i[[3456789]]86-w64-mingw*)
784 noconfigdirs="$noconfigdirs ${libgcj}"
786 i[[3456789]]86-*-mingw*)
787 noconfigdirs="$noconfigdirs ${libgcj}"
790 noconfigdirs="$noconfigdirs ${libgcj}"
793 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
796 # copied from rs6000-*-* entry
797 noconfigdirs="$noconfigdirs ${libgcj}"
800 noconfigdirs="$noconfigdirs ${libgcj}"
803 noconfigdirs="$noconfigdirs ${libgcj}"
807 # Disable libgo for some systems where it is known to not work.
808 # For testing, you can easily override this with --enable-libgo.
809 if test x$enable_libgo = x; then
813 noconfigdirs="$noconfigdirs target-libgo"
815 *-*-cygwin* | *-*-mingw*)
816 noconfigdirs="$noconfigdirs target-libgo"
819 noconfigdirs="$noconfigdirs target-libgo"
824 # Default libgloss CPU subdirectory.
825 libgloss_dir="$target_cpu"
828 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
837 cris-*-* | crisv32-*-*)
846 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
863 # Disable newlib and libgloss for various target OSes.
866 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
868 i[[3456789]]86-*-linux*)
869 # This section makes it possible to build newlib natively on linux.
870 # If we are using a cross compiler then don't configure newlib.
871 if test x${is_cross_compiler} != xno ; then
872 noconfigdirs="$noconfigdirs target-newlib"
874 noconfigdirs="$noconfigdirs target-libgloss"
875 # If we are not using a cross compiler, do configure newlib.
876 # Note however, that newlib will only be configured in this situation
877 # if the --with-newlib option has been given, because otherwise
878 # 'target-newlib' will appear in skipdirs.
880 i[[3456789]]86-*-rdos*)
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 sh*-*-pe|mips*-*-pe|arm-wince-pe)
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
896 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
899 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
904 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
905 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
908 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
911 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
914 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
917 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
920 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
923 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
926 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
934 noconfigdirs="$noconfigdirs ld gas gdb gprof"
935 noconfigdirs="$noconfigdirs sim target-rda"
937 i[[3456789]]86-*-darwin*)
938 noconfigdirs="$noconfigdirs ld gprof"
939 noconfigdirs="$noconfigdirs sim target-rda"
941 x86_64-*-darwin[[912]]*)
942 noconfigdirs="$noconfigdirs ld gas gprof"
943 noconfigdirs="$noconfigdirs sim target-rda"
946 noconfigdirs="$noconfigdirs ld gas gdb gprof"
947 noconfigdirs="$noconfigdirs sim target-rda"
952 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
953 && test -f /usr/local/include/gmp.h; then
958 # Remove unsupported stuff on all kaOS configurations.
959 noconfigdirs="$noconfigdirs target-libgloss"
966 noconfigdirs="$noconfigdirs target-libgloss"
968 # The tpf target doesn't support gdb yet.
970 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
973 noconfigdirs="$noconfigdirs target-rda"
978 # ld works, but does not support shared libraries.
979 # gas doesn't generate exception information.
980 noconfigdirs="$noconfigdirs gas ld"
983 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
986 # newlib is not 64 bit ready
987 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
989 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
990 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
993 noconfigdirs="$noconfigdirs target-libgloss"
996 noconfigdirs="$noconfigdirs target-libgloss"
999 noconfigdirs="$noconfigdirs ld target-libgloss"
1004 if test x${with_avrlibc} != xno; then
1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1008 c4x-*-* | tic4x-*-*)
1009 noconfigdirs="$noconfigdirs target-libgloss"
1012 noconfigdirs="$noconfigdirs target-libgloss gdb"
1015 noconfigdirs="$noconfigdirs target-libgloss"
1018 noconfigdirs="$noconfigdirs gdb"
1021 noconfigdirs="$noconfigdirs gdb"
1024 noconfigdirs="$noconfigdirs gprof"
1027 noconfigdirs="$noconfigdirs target-libgloss"
1030 noconfigdirs="$noconfigdirs target-libgloss"
1032 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1040 hppa*-*-openbsd* | \
1044 noconfigdirs="$noconfigdirs ld"
1049 noconfigdirs="$noconfigdirs ld"
1052 noconfigdirs="$noconfigdirs gdb"
1055 # No gdb support yet.
1056 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1059 # No ld support yet.
1060 noconfigdirs="$noconfigdirs libgui itcl ld"
1063 # No ld support yet.
1064 noconfigdirs="$noconfigdirs libgui itcl ld"
1066 i[[3456789]]86-w64-mingw*)
1068 i[[3456789]]86-*-mingw*)
1069 target_configdirs="$target_configdirs target-winsup"
1072 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1073 noconfigdirs="$noconfigdirs target-libgloss"
1074 # always build newlib if winsup directory is present.
1075 if test -d "$srcdir/winsup/cygwin"; then
1076 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1077 elif test -d "$srcdir/newlib"; then
1078 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1081 i[[3456789]]86-*-pe)
1082 noconfigdirs="$noconfigdirs target-libgloss"
1084 i[[3456789]]86-*-sco3.2v5*)
1085 # The linker does not yet know about weak symbols in COFF,
1086 # and is not configured to handle mixed ELF and COFF.
1087 noconfigdirs="$noconfigdirs ld target-libgloss"
1089 i[[3456789]]86-*-sco*)
1090 noconfigdirs="$noconfigdirs gprof target-libgloss"
1092 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1093 noconfigdirs="$noconfigdirs target-libgloss"
1095 i[[3456789]]86-*-sysv4*)
1096 noconfigdirs="$noconfigdirs target-libgloss"
1098 i[[3456789]]86-*-beos*)
1099 noconfigdirs="$noconfigdirs gdb"
1101 i[[3456789]]86-*-rdos*)
1102 noconfigdirs="$noconfigdirs gdb"
1105 noconfigdirs="$noconfigdirs gdb"
1108 noconfigdirs="$noconfigdirs sim"
1111 # copied from rs6000-*-* entry
1112 noconfigdirs="$noconfigdirs gprof"
1114 powerpc*-*-winnt* | powerpc*-*-pe*)
1115 target_configdirs="$target_configdirs target-winsup"
1116 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1117 # always build newlib.
1118 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1120 # This is temporary until we can link against shared libraries
1121 powerpcle-*-solaris*)
1122 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1125 noconfigdirs="$noconfigdirs gdb"
1128 noconfigdirs="$noconfigdirs gprof"
1131 noconfigdirs="$noconfigdirs gprof"
1134 noconfigdirs="$noconfigdirs gprof"
1137 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1140 noconfigdirs="$noconfigdirs gprof"
1142 mips*-sde-elf* | mips*-mti-elf*)
1143 if test x$with_newlib = xyes; then
1144 noconfigdirs="$noconfigdirs gprof"
1148 noconfigdirs="$noconfigdirs gprof target-libgloss"
1151 noconfigdirs="$noconfigdirs gprof target-libgloss"
1154 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1158 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1159 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1160 noconfigdirs="$noconfigdirs ld gas gprof"
1163 noconfigdirs="$noconfigdirs gprof"
1170 noconfigdirs="$noconfigdirs target-libgloss" ;;
1174 if test x${is_cross_compiler} = xno ; then
1179 noconfigdirs="$noconfigdirs sim"
1181 tilepro*-*-* | tilegx*-*-*)
1182 noconfigdirs="$noconfigdirs sim"
1185 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1188 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1192 # If we aren't building newlib, then don't build libgloss, since libgloss
1193 # depends upon some newlib header files.
1194 case "${noconfigdirs}" in
1195 *target-libgloss*) ;;
1196 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1199 # Work in distributions that contain no compiler tools, like Autoconf.
1200 host_makefile_frag=/dev/null
1201 if test -d ${srcdir}/config ; then
1203 i[[3456789]]86-*-msdosdjgpp*)
1204 host_makefile_frag="config/mh-djgpp"
1207 ACX_CHECK_CYGWIN_CAT_WORKS
1208 host_makefile_frag="config/mh-cygwin"
1211 host_makefile_frag="config/mh-mingw"
1214 host_makefile_frag="config/mh-pa-hpux10"
1217 host_makefile_frag="config/mh-pa"
1220 host_makefile_frag="config/mh-pa"
1223 host_makefile_frag="config/mh-darwin"
1226 host_makefile_frag="config/mh-ppc-aix"
1229 host_makefile_frag="config/mh-ppc-aix"
1234 if test "${build}" != "${host}" ; then
1235 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1236 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1237 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1238 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1239 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1240 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1241 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1242 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1243 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1244 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1245 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1246 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1247 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1249 AR_FOR_BUILD="\$(AR)"
1250 AS_FOR_BUILD="\$(AS)"
1251 CC_FOR_BUILD="\$(CC)"
1252 CXX_FOR_BUILD="\$(CXX)"
1253 GCJ_FOR_BUILD="\$(GCJ)"
1254 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1255 GOC_FOR_BUILD="\$(GOC)"
1256 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1257 LD_FOR_BUILD="\$(LD)"
1258 NM_FOR_BUILD="\$(NM)"
1259 RANLIB_FOR_BUILD="\$(RANLIB)"
1260 WINDRES_FOR_BUILD="\$(WINDRES)"
1261 WINDMC_FOR_BUILD="\$(WINDMC)"
1267 # We must set the default linker to the linker used by gcc for the correct
1268 # operation of libtool. If LD is not defined and we are using gcc, try to
1269 # set the LD default to the ld used by gcc.
1270 if test -z "$LD"; then
1271 if test "$GCC" = yes; then
1274 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1276 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1278 case $gcc_prog_ld in
1279 # Accept absolute paths.
1280 [[\\/]* | [A-Za-z]:[\\/]*)]
1281 LD="$gcc_prog_ld" ;;
1286 # Check whether -static-libstdc++ -static-libgcc is supported.
1288 if test "$GCC" = yes; then
1289 saved_LDFLAGS="$LDFLAGS"
1291 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1292 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1295 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1296 #error -static-libstdc++ not implemented
1299 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1300 [AC_MSG_RESULT([no])])
1303 LDFLAGS="$saved_LDFLAGS"
1307 ACX_PROG_CMP_IGNORE_INITIAL
1309 AC_ARG_ENABLE([bootstrap],
1310 [AS_HELP_STRING([--enable-bootstrap],
1311 [enable bootstrapping @<:@yes if native build@:>@])],,
1312 enable_bootstrap=default)
1314 # Issue errors and warnings for invalid/strange bootstrap combinations.
1315 if test -r $srcdir/gcc/configure; then
1321 case "$have_compiler:$host:$target:$enable_bootstrap" in
1324 # Default behavior. Enable bootstrap if we have a compiler
1325 # and we are in a native configuration.
1326 yes:$build:$build:default)
1327 enable_bootstrap=yes ;;
1330 enable_bootstrap=no ;;
1332 # We have a compiler and we are in a native configuration, bootstrap is ok
1333 yes:$build:$build:yes)
1336 # Other configurations, but we have a compiler. Assume the user knows
1339 AC_MSG_WARN([trying to bootstrap a cross compiler])
1342 # No compiler: if they passed --enable-bootstrap explicitly, fail
1344 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1346 # Fail if wrong command line
1348 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1352 # Used for setting $lt_cv_objdir
1355 # Check for GMP, MPFR and MPC
1356 gmplibs="-lmpc -lmpfr -lgmp"
1360 # Specify a location for mpc
1361 # check for this first so it ends up on the link line before mpfr.
1363 [AS_HELP_STRING([--with-mpc=PATH],
1364 [specify prefix directory for installed MPC package.
1365 Equivalent to --with-mpc-include=PATH/include
1366 plus --with-mpc-lib=PATH/lib])])
1367 AC_ARG_WITH(mpc-include,
1368 [AS_HELP_STRING([--with-mpc-include=PATH],
1369 [specify directory for installed MPC include files])])
1370 AC_ARG_WITH(mpc-lib,
1371 [AS_HELP_STRING([--with-mpc-lib=PATH],
1372 [specify directory for the installed MPC library])])
1374 if test "x$with_mpc" != x; then
1375 gmplibs="-L$with_mpc/lib $gmplibs"
1376 gmpinc="-I$with_mpc/include $gmpinc"
1378 if test "x$with_mpc_include" != x; then
1379 gmpinc="-I$with_mpc_include $gmpinc"
1381 if test "x$with_mpc_lib" != x; then
1382 gmplibs="-L$with_mpc_lib $gmplibs"
1384 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1385 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1386 gmpinc='-I$$s/mpc/src '"$gmpinc"
1387 # Do not test the mpc version. Assume that it is sufficient, since
1388 # it is in the source tree, and the library has not been built yet
1389 # but it would be included on the link line in the version check below
1390 # hence making the test fail.
1394 # Specify a location for mpfr
1395 # check for this first so it ends up on the link line before gmp.
1396 AC_ARG_WITH(mpfr-dir,
1397 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1398 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1399 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1402 [AS_HELP_STRING([--with-mpfr=PATH],
1403 [specify prefix directory for installed MPFR package.
1404 Equivalent to --with-mpfr-include=PATH/include
1405 plus --with-mpfr-lib=PATH/lib])])
1406 AC_ARG_WITH(mpfr-include,
1407 [AS_HELP_STRING([--with-mpfr-include=PATH],
1408 [specify directory for installed MPFR include files])])
1409 AC_ARG_WITH(mpfr-lib,
1410 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1411 [specify directory for the installed MPFR library])])
1413 if test "x$with_mpfr" != x; then
1414 gmplibs="-L$with_mpfr/lib $gmplibs"
1415 gmpinc="-I$with_mpfr/include $gmpinc"
1417 if test "x$with_mpfr_include" != x; then
1418 gmpinc="-I$with_mpfr_include $gmpinc"
1420 if test "x$with_mpfr_lib" != x; then
1421 gmplibs="-L$with_mpfr_lib $gmplibs"
1423 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1424 # MPFR v3.1.0 moved the sources into a src sub-directory.
1425 if test -d ${srcdir}/mpfr/src; then
1426 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1427 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1428 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1430 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1431 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1432 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1434 # Do not test the mpfr version. Assume that it is sufficient, since
1435 # it is in the source tree, and the library has not been built yet
1436 # but it would be included on the link line in the version check below
1437 # hence making the test fail.
1441 # Specify a location for gmp
1442 AC_ARG_WITH(gmp-dir,
1443 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1444 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1445 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1448 [AS_HELP_STRING([--with-gmp=PATH],
1449 [specify prefix directory for the installed GMP package.
1450 Equivalent to --with-gmp-include=PATH/include
1451 plus --with-gmp-lib=PATH/lib])])
1452 AC_ARG_WITH(gmp-include,
1453 [AS_HELP_STRING([--with-gmp-include=PATH],
1454 [specify directory for installed GMP include files])])
1455 AC_ARG_WITH(gmp-lib,
1456 [AS_HELP_STRING([--with-gmp-lib=PATH],
1457 [specify directory for the installed GMP library])])
1460 if test "x$with_gmp" != x; then
1461 gmplibs="-L$with_gmp/lib $gmplibs"
1462 gmpinc="-I$with_gmp/include $gmpinc"
1464 if test "x$with_gmp_include" != x; then
1465 gmpinc="-I$with_gmp_include $gmpinc"
1467 if test "x$with_gmp_lib" != x; then
1468 gmplibs="-L$with_gmp_lib $gmplibs"
1470 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1471 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1472 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1473 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1474 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1475 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1476 # Do not test the gmp version. Assume that it is sufficient, since
1477 # it is in the source tree, and the library has not been built yet
1478 # but it would be included on the link line in the version check below
1479 # hence making the test fail.
1483 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1485 saved_CFLAGS="$CFLAGS"
1486 CFLAGS="$CFLAGS $gmpinc"
1487 # Check for the recommended and required versions of GMP.
1488 AC_MSG_CHECKING([for the correct version of gmp.h])
1489 AC_TRY_COMPILE([#include "gmp.h"],[
1490 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1491 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1492 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1495 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1496 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1497 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1498 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1502 [AC_MSG_RESULT([no]); have_gmp=no])
1504 # If we have GMP, check the MPFR version.
1505 if test x"$have_gmp" = xyes; then
1506 # Check for the recommended and required versions of MPFR.
1507 AC_MSG_CHECKING([for the correct version of mpfr.h])
1508 AC_TRY_COMPILE([#include <gmp.h>
1509 #include <mpfr.h>],[
1510 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1513 ], [AC_TRY_COMPILE([#include <gmp.h>
1514 #include <mpfr.h>],[
1515 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1518 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1519 [AC_MSG_RESULT([no]); have_gmp=no])
1522 # Check for the MPC header version.
1523 if test x"$have_gmp" = xyes ; then
1524 # Check for the recommended and required versions of MPC.
1525 AC_MSG_CHECKING([for the correct version of mpc.h])
1526 AC_TRY_COMPILE([#include <mpc.h>],[
1527 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1530 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1531 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1534 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1535 [AC_MSG_RESULT([no]); have_gmp=no])
1538 # Now check the MPFR library.
1539 if test x"$have_gmp" = xyes; then
1541 LIBS="$LIBS $gmplibs"
1542 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1543 AC_TRY_LINK([#include <mpc.h>],[
1550 mpfr_atan2 (n, n, x, GMP_RNDN);
1551 mpfr_erfc (n, x, GMP_RNDN);
1552 mpfr_subnormalize (x, t, GMP_RNDN);
1556 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1557 mpc_cosh (c, c, MPC_RNDNN);
1558 mpc_pow (c, c, c, MPC_RNDNN);
1559 mpc_acosh (c, c, MPC_RNDNN);
1561 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1565 CFLAGS="$saved_CFLAGS"
1567 # The library versions listed in the error message below should match
1568 # the HARD-minimums enforced above.
1569 if test x$have_gmp != xyes; then
1570 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1571 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1572 their locations. Source code for these libraries can be found at
1573 their respective hosting sites as well as at
1574 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1575 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1576 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1577 make sure that you have installed both the libraries and the header
1578 files. They may be located in separate packages.])
1582 # Flags needed for both GMP, MPFR and/or MPC.
1585 AC_SUBST(extra_mpfr_configure_flags)
1586 AC_SUBST(extra_mpc_gmp_configure_flags)
1587 AC_SUBST(extra_mpc_mpfr_configure_flags)
1588 AC_SUBST(extra_isl_gmp_configure_flags)
1590 # Allow host libstdc++ to be specified for static linking with PPL.
1591 AC_ARG_WITH(host-libstdcxx,
1592 [AS_HELP_STRING([--with-host-libstdcxx=L],
1593 [use linker arguments L to link with libstdc++
1594 when linking with PPL])])
1596 case $with_host_libstdcxx in
1598 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1602 # Libraries to use for stage1 or when not bootstrapping.
1603 AC_ARG_WITH(stage1-libs,
1604 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1605 [if test "$withval" = "no" -o "$withval" = "yes"; then
1608 stage1_libs=$withval
1610 [stage1_libs=$with_host_libstdcxx])
1611 AC_SUBST(stage1_libs)
1613 # Linker flags to use for stage1 or when not bootstrapping.
1614 AC_ARG_WITH(stage1-ldflags,
1615 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1616 [if test "$withval" = "no" -o "$withval" = "yes"; then
1619 stage1_ldflags=$withval
1622 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1623 # if supported. But if the user explicitly specified the libraries to use,
1624 # trust that they are doing what they want.
1625 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1626 stage1_ldflags="-static-libstdc++ -static-libgcc"
1628 AC_SUBST(stage1_ldflags)
1630 # Libraries to use for stage2 and later builds. This defaults to the
1631 # argument passed to --with-host-libstdcxx.
1632 AC_ARG_WITH(boot-libs,
1633 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1634 [if test "$withval" = "no" -o "$withval" = "yes"; then
1637 poststage1_libs=$withval
1639 [poststage1_libs=$with_host_libstdcxx])
1640 AC_SUBST(poststage1_libs)
1642 # Linker flags to use for stage2 and later builds.
1643 AC_ARG_WITH(boot-ldflags,
1644 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1645 [linker flags for stage2 and later])],
1646 [if test "$withval" = "no" -o "$withval" = "yes"; then
1649 poststage1_ldflags=$withval
1651 [poststage1_ldflags=
1652 # In stages 2 and 3, default to linking libstdc++ and libgcc
1653 # statically. But if the user explicitly specified the libraries to
1654 # use, trust that they are doing what they want.
1655 if test "$poststage1_libs" = ""; then
1656 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1658 AC_SUBST(poststage1_ldflags)
1660 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1661 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1666 [--with-cloog=PATH],
1667 [Specify prefix directory for the installed CLooG-ISL package.
1668 Equivalent to --with-cloog-include=PATH/include
1669 plus --with-cloog-lib=PATH/lib])])
1673 [Specify prefix directory for the installed ISL package.
1674 Equivalent to --with-isl-include=PATH/include
1675 plus --with-isl-lib=PATH/lib])])
1677 # Treat either --without-cloog or --without-isl as a request to disable
1678 # GRAPHITE support and skip all following checks.
1679 if test "x$with_isl" != "xno" &&
1680 test "x$with_cloog" != "xno"; then
1682 dnl Provide configure switches and initialize islinc & isllibs
1683 dnl with user input.
1685 dnl The versions of ISL that work for Graphite
1686 ISL_CHECK_VERSION(0,10)
1687 if test "${gcc_cv_isl}" = no ; then
1688 ISL_CHECK_VERSION(0,11)
1689 if test "${gcc_cv_isl}" = no ; then
1690 ISL_CHECK_VERSION(0,12)
1693 dnl Only execute fail-action, if ISL has been requested.
1695 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1697 if test "x$gcc_cv_isl" != "xno"; then
1699 dnl Provide configure switches and initialize clooginc & clooglibs
1700 dnl with user input.
1702 dnl The versions of CLooG that work for Graphite.
1703 CLOOG_CHECK_VERSION(0,17,0)
1704 if test "${gcc_cv_cloog}" = no ; then
1705 CLOOG_CHECK_VERSION(0,18,0)
1708 dnl Only execute fail-action, if CLooG has been requested.
1710 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1714 # If either the ISL or the CLooG check failed, disable builds of in-tree
1716 if test "x$with_isl" = xno ||
1717 test "x$with_cloog" = xno ||
1718 test "x$gcc_cv_cloog" = xno ||
1719 test "x$gcc_cv_isl" = xno; then
1720 noconfigdirs="$noconfigdirs cloog isl"
1731 # Check for LTO support.
1733 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1734 enable_lto=$enableval,
1735 enable_lto=yes; default_enable_lto=yes)
1737 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1738 build_lto_plugin=yes
1739 ],[if test x"$default_enable_lto" = x"yes" ; then
1741 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1742 # On other non-ELF platforms, LTO has yet to be validated.
1746 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1747 # It would also be nice to check the binutils support, but we don't
1748 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1749 # warn during gcc/ subconfigure; unless you're bootstrapping with
1750 # -flto it won't be needed until after installation anyway.
1752 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1753 *) if test x"$enable_lto" = x"yes"; then
1754 AC_MSG_ERROR([LTO support is not enabled for this target.])
1759 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1760 # Build it unless LTO was explicitly disabled.
1762 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1768 # By default, C and C++ are the only stage 1 languages.
1769 stage1_languages=,c,
1771 # Target libraries that we bootstrap.
1772 bootstrap_target_libs=,target-libgcc,
1774 # Figure out what language subdirectories are present.
1775 # Look if the user specified --enable-languages="..."; if not, use
1776 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1778 # NB: embedded tabs in this IF block -- do not untabify
1779 if test -d ${srcdir}/gcc; then
1780 if test x"${enable_languages+set}" != xset; then
1781 if test x"${LANGUAGES+set}" = xset; then
1782 enable_languages="${LANGUAGES}"
1783 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1785 enable_languages=all
1788 if test x"${enable_languages}" = x ||
1789 test x"${enable_languages}" = xyes;
1791 echo configure.in: --enable-languages needs at least one language argument 1>&2
1795 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1797 # 'f95' is the old name for the 'fortran' language. We issue a warning
1798 # and make the substitution.
1799 case ,${enable_languages}, in
1801 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1802 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1806 # If bootstrapping, C++ must be enabled.
1807 case ",$enable_languages,:$enable_bootstrap" in
1810 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1811 enable_languages="${enable_languages},c++"
1813 AC_MSG_ERROR([bootstrapping requires c++ sources])
1818 # First scan to see if an enabled language requires some other language.
1819 # We assume that a given config-lang.in will list all the language
1820 # front ends it requires, even if some are required indirectly.
1821 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1822 case ${lang_frag} in
1824 # The odd quoting in the next line works around
1825 # an apparent bug in bash 1.12 on linux.
1826 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1828 # From the config-lang.in, get $language, $lang_requires, and
1829 # $lang_requires_boot_languages.
1832 lang_requires_boot_languages=
1834 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1835 case ,${enable_languages}, in
1839 echo " \`$other' language required by \`$language'; enabling" 1>&2
1840 enable_languages="${enable_languages},${other}"
1844 for other in ${lang_requires_boot_languages} ; do
1845 if test "$other" != "c"; then
1846 case ,${enable_stage1_languages}, in
1850 case ,${enable_languages}, in
1852 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1853 enable_stage1_languages="$enable_stage1_languages,${other}"
1864 new_enable_languages=,c,
1866 # If LTO is enabled, add the LTO front end.
1867 extra_host_libiberty_configure_flags=
1868 if test "$enable_lto" = "yes" ; then
1869 case ,${enable_languages}, in
1871 *) enable_languages="${enable_languages},lto" ;;
1873 if test "${build_lto_plugin}" = "yes" ; then
1874 configdirs="$configdirs lto-plugin"
1875 extra_host_libiberty_configure_flags=--enable-shared
1878 AC_SUBST(extra_host_libiberty_configure_flags)
1880 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1881 potential_languages=,c,
1883 enabled_target_libs=
1884 disabled_target_libs=
1886 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1887 case ${lang_frag} in
1889 # The odd quoting in the next line works around
1890 # an apparent bug in bash 1.12 on linux.
1891 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1893 # From the config-lang.in, get $language, $target_libs,
1894 # $lang_dirs, $boot_language, and $build_by_default
1900 build_by_default=yes
1902 if test x${language} = x; then
1903 echo "${lang_frag} doesn't set \$language." 1>&2
1907 if test "$language" = "c++"; then
1912 case ,${enable_languages}, in
1914 # Language was explicitly selected; include it
1915 # unless it is C, which is enabled by default.
1916 if test "$language" != "c"; then
1921 # 'all' was selected, select it if it is a default language
1922 if test "$language" != "c"; then
1923 add_this_lang=${build_by_default}
1928 # Disable languages that need other directories if these aren't available.
1929 for i in $subdir_requires; do
1930 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1931 case ,${enable_languages}, in
1933 # Specifically requested language; tell them.
1934 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1938 add_this_lang=unsupported
1943 # Disable Ada if no preexisting GNAT is available.
1944 case ,${enable_languages},:${language}:${have_gnat} in
1945 *,${language},*:ada:no)
1946 # Specifically requested language; tell them.
1947 AC_MSG_ERROR([GNAT is required to build $language])
1951 add_this_lang=unsupported
1955 # Disable a language that is unsupported by the target.
1956 case " $unsupported_languages " in
1958 add_this_lang=unsupported
1962 case $add_this_lang in
1964 # Remove language-dependent dirs.
1965 disabled_target_libs="$disabled_target_libs $target_libs"
1966 noconfigdirs="$noconfigdirs $lang_dirs"
1969 # Remove language-dependent dirs; still show language as supported.
1970 disabled_target_libs="$disabled_target_libs $target_libs"
1971 noconfigdirs="$noconfigdirs $lang_dirs"
1972 potential_languages="${potential_languages}${language},"
1975 new_enable_languages="${new_enable_languages}${language},"
1976 potential_languages="${potential_languages}${language},"
1977 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1978 enabled_target_libs="$enabled_target_libs $target_libs"
1979 case "${boot_language}:,$enable_stage1_languages," in
1980 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1981 # Add to (comma-separated) list of stage 1 languages.
1982 case ",$stage1_languages," in
1983 *,$language,* | ,yes, | ,all,) ;;
1984 *) stage1_languages="${stage1_languages}${language}," ;;
1986 # We need to bootstrap any supporting libraries.
1987 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1996 # Add target libraries which are only needed for disabled languages
1998 if test -n "$disabled_target_libs"; then
1999 for dir in $disabled_target_libs; do
2000 case " $enabled_target_libs " in
2002 *) noconfigdirs="$noconfigdirs $dir" ;;
2007 AC_ARG_ENABLE(stage1-languages,
2008 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2009 [choose additional languages to build during
2010 stage1. Mostly useful for compiler development])],
2011 [case ,${enable_stage1_languages}, in
2013 # Set it to something that will have no effect in the loop below
2014 enable_stage1_languages=c ;;
2016 enable_stage1_languages=`echo $new_enable_languages | \
2017 sed -e "s/^,//" -e "s/,$//" ` ;;
2019 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2020 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2023 # Add "good" languages from enable_stage1_languages to stage1_languages,
2024 # while "bad" languages go in missing_languages. Leave no duplicates.
2025 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2026 case $potential_languages in
2028 case $stage1_languages in
2030 *) stage1_languages="$stage1_languages$i," ;;
2033 case $missing_languages in
2035 *) missing_languages="$missing_languages$i," ;;
2040 # Remove leading/trailing commas that were added for simplicity
2041 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2042 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2043 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2044 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2046 if test "x$missing_languages" != x; then
2048 The following requested languages could not be built: ${missing_languages}
2049 Supported languages are: ${potential_languages}])
2051 if test "x$new_enable_languages" != "x$enable_languages"; then
2052 echo The following languages will be built: ${new_enable_languages}
2053 enable_languages="$new_enable_languages"
2056 AC_SUBST(stage1_languages)
2057 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2060 # Handle --disable-<component> generically.
2061 for dir in $configdirs $build_configdirs $target_configdirs ; do
2062 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2063 varname=`echo $dirname | sed -e s/+/_/g`
2064 if eval test x\${enable_${varname}} "=" xno ; then
2065 noconfigdirs="$noconfigdirs $dir"
2069 # Check for Boehm's garbage collector
2070 AC_ARG_ENABLE(objc-gc,
2071 [AS_HELP_STRING([--enable-objc-gc],
2072 [enable use of Boehm's garbage collector with the
2073 GNU Objective-C runtime])],
2074 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2075 *,objc,*:*:yes:*target-boehm-gc*)
2076 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2080 # Make sure we only build Boehm's garbage collector if required.
2081 case ,${enable_languages},:${enable_objc_gc} in
2083 # Keep target-boehm-gc if requested for Objective-C.
2086 # Otherwise remove target-boehm-gc depending on target-libjava.
2087 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2088 noconfigdirs="$noconfigdirs target-boehm-gc"
2093 # Disable libitm, libsanitizer, libvtv if we're not building C++
2094 case ,${enable_languages}, in
2097 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
2101 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2102 # $build_configdirs and $target_configdirs.
2103 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2106 for dir in . $skipdirs $noconfigdirs ; do
2107 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2108 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2109 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2110 if test -r $srcdir/$dirname/configure ; then
2111 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2114 notsupp="$notsupp $dir"
2118 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2119 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2120 if test -r $srcdir/$dirname/configure ; then
2121 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2124 notsupp="$notsupp $dir"
2128 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2129 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2130 if test -r $srcdir/$dirname/configure ; then
2131 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2134 notsupp="$notsupp $dir"
2140 # Quietly strip out all directories which aren't configurable in this tree.
2141 # This relies on all configurable subdirectories being autoconfiscated, which
2143 build_configdirs_all="$build_configdirs"
2145 for i in ${build_configdirs_all} ; do
2146 j=`echo $i | sed -e s/build-//g`
2147 if test -f ${srcdir}/$j/configure ; then
2148 build_configdirs="${build_configdirs} $i"
2152 configdirs_all="$configdirs"
2154 for i in ${configdirs_all} ; do
2163 if test -f ${srcdir}/${confsrcdir}/configure ; then
2164 configdirs="${configdirs} $i"
2168 target_configdirs_all="$target_configdirs"
2170 for i in ${target_configdirs_all} ; do
2171 j=`echo $i | sed -e s/target-//g`
2172 if test -f ${srcdir}/$j/configure ; then
2173 target_configdirs="${target_configdirs} $i"
2177 # Produce a warning message for the subdirs we can't configure.
2178 # This isn't especially interesting in the Cygnus tree, but in the individual
2179 # FSF releases, it's important to let people know when their machine isn't
2180 # supported by the one or two programs in a package.
2182 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2183 # If $appdirs is non-empty, at least one of those directories must still
2184 # be configured, or we error out. (E.g., if the gas release supports a
2185 # specified target in some subdirs but not the gas subdir, we shouldn't
2186 # pretend that all is well.)
2187 if test -n "$appdirs" ; then
2188 for dir in $appdirs ; do
2189 if test -r $dir/Makefile.in ; then
2190 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2194 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2200 if test -n "$appdirs" ; then
2201 echo "*** This configuration is not supported by this package." 1>&2
2205 # Okay, some application will build, or we don't care to check. Still
2206 # notify of subdirs not getting built.
2207 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2208 echo " ${notsupp}" 1>&2
2209 echo " (Any other directories should still work fine.)" 1>&2
2217 # To find our prefix, in gcc_cv_tool_prefix.
2222 AC_ARG_WITH([build-sysroot],
2223 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2224 [use sysroot as the system root during the build])],
2225 [if test x"$withval" != x ; then
2226 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2228 [SYSROOT_CFLAGS_FOR_TARGET=])
2229 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2231 AC_ARG_WITH([debug-prefix-map],
2232 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2233 [map A to B, C to D ... in debug information])],
2234 [if test x"$withval" != x; then
2235 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2236 for debug_map in $withval; do
2237 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2240 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2241 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2243 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2244 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2245 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2246 # We want to ensure that TARGET libraries (which we know are built with
2247 # gcc) are built with "-O2 -g", so include those options when setting
2248 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2249 if test "x$CFLAGS_FOR_TARGET" = x; then
2250 CFLAGS_FOR_TARGET=$CFLAGS
2253 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2256 *" -g "* | *" -g3 "*) ;;
2257 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2260 AC_SUBST(CFLAGS_FOR_TARGET)
2262 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2263 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2264 case " $CXXFLAGS " in
2266 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2268 case " $CXXFLAGS " in
2269 *" -g "* | *" -g3 "*) ;;
2270 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2273 AC_SUBST(CXXFLAGS_FOR_TARGET)
2275 AC_SUBST(LDFLAGS_FOR_TARGET)
2277 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2278 # the named directory are copied to $(tooldir)/sys-include.
2279 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2280 if test x${is_cross_compiler} = xno ; then
2281 echo 1>&2 '***' --with-headers is only supported when cross compiling
2284 if test x"${with_headers}" != xyes ; then
2285 x=${gcc_cv_tool_prefix}
2286 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2290 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2291 # the name directories are copied to $(tooldir)/lib. Multiple directories
2293 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2294 if test x${is_cross_compiler} = xno ; then
2295 echo 1>&2 '***' --with-libs is only supported when cross compiling
2298 if test x"${with_libs}" != xyes ; then
2299 # Copy the libraries in reverse order, so that files in the first named
2300 # library override files in subsequent libraries.
2301 x=${gcc_cv_tool_prefix}
2302 for l in ${with_libs}; do
2303 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2308 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2310 # This is done by determining whether or not the appropriate directory
2311 # is available, and by checking whether or not specific configurations
2312 # have requested that this magic not happen.
2314 # The command line options always override the explicit settings in
2315 # configure.in, and the settings in configure.in override this magic.
2317 # If the default for a toolchain is to use GNU as and ld, and you don't
2318 # want to do that, then you should use the --without-gnu-as and
2319 # --without-gnu-ld options for the configure script. Similarly, if
2320 # the default is to use the included zlib and you don't want to do that,
2321 # you should use the --with-system-zlib option for the configure script.
2323 if test x${use_gnu_as} = x &&
2324 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2326 extra_host_args="$extra_host_args --with-gnu-as"
2329 if test x${use_gnu_ld} = x &&
2330 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2332 extra_host_args="$extra_host_args --with-gnu-ld"
2335 if test x${use_included_zlib} = x &&
2336 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2339 with_system_zlib=yes
2340 extra_host_args="$extra_host_args --with-system-zlib"
2343 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2344 # can detect this case.
2346 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2348 extra_host_args="$extra_host_args --with-newlib"
2351 # Handle ${copy_dirs}
2352 set fnord ${copy_dirs}
2354 while test $# != 0 ; do
2355 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2358 echo Copying $1 to $2
2360 # Use the install script to create the directory and all required
2361 # parent directories.
2362 if test -d $2 ; then
2366 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2369 # Copy the directory, assuming we have tar.
2370 # FIXME: Should we use B in the second tar? Not all systems support it.
2371 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2373 # It is the responsibility of the user to correctly adjust all
2374 # symlinks. If somebody can figure out how to handle them correctly
2375 # here, feel free to add the code.
2382 # Determine a target-dependent exec_prefix that the installed
2383 # gcc will search in. Keep this list sorted by triplet, with
2384 # the *-*-osname triplets last.
2387 i[[34567]]86-pc-msdosdjgpp*)
2388 md_exec_prefix=/dev/env/DJDIR/bin
2393 md_exec_prefix=/usr/ccs/bin
2397 extra_arflags_for_target=
2398 extra_nmflags_for_target=
2399 extra_ranlibflags_for_target=
2400 target_makefile_frag=/dev/null
2403 target_makefile_frag="config/mt-spu"
2405 mips*-sde-elf* | mips*-mti-elf*)
2406 target_makefile_frag="config/mt-sde"
2408 mipsisa*-*-elfoabi*)
2409 target_makefile_frag="config/mt-mips-elfoabi"
2411 mips*-*-*linux* | mips*-*-gnu*)
2412 target_makefile_frag="config/mt-mips-gnu"
2414 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2415 target_makefile_frag="config/mt-gnu"
2417 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2418 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2419 # commands to handle both 32-bit and 64-bit objects. These flags are
2420 # harmless if we're using GNU nm or ar.
2421 extra_arflags_for_target=" -X32_64"
2422 extra_nmflags_for_target=" -B -X32_64"
2426 alphaieee_frag=/dev/null
2429 # This just makes sure to use the -mieee option to build target libs.
2430 # This should probably be set individually by each library.
2431 alphaieee_frag="config/mt-alphaieee"
2435 # If --enable-target-optspace always use -Os instead of -O2 to build
2436 # the target libraries, similarly if it is not specified, use -Os
2437 # on selected platforms.
2438 ospace_frag=/dev/null
2439 case "${enable_target_optspace}:${target}" in
2441 ospace_frag="config/mt-ospace"
2444 ospace_frag="config/mt-d30v"
2446 :m32r-* | :d10v-* | :fr30-*)
2447 ospace_frag="config/mt-ospace"
2452 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2456 # Some systems (e.g., one of the i386-aix systems the gas testers are
2457 # using) don't handle "\$" correctly, so don't use it here.
2458 tooldir='${exec_prefix}'/${target_noncanonical}
2459 build_tooldir=${tooldir}
2461 # Create a .gdbinit file which runs the one in srcdir
2462 # and tells GDB to look there for source files.
2464 if test -r ${srcdir}/.gdbinit ; then
2467 *) cat > ./.gdbinit <<EOF
2471 source ${srcdir}/.gdbinit
2477 # Make sure that the compiler is able to generate an executable. If it
2478 # can't, we are probably in trouble. We don't care whether we can run the
2479 # executable--we might be using a cross compiler--we only care whether it
2480 # can be created. At this point the main configure script has set CC.
2482 echo "int main () { return 0; }" > conftest.c
2483 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2484 if test $? = 0 ; then
2485 if test -s conftest || test -s conftest.exe ; then
2491 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2492 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2499 # Decide which environment variable is used to find dynamic libraries.
2501 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2502 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2503 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2504 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2507 # On systems where the dynamic library environment variable is PATH,
2508 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2509 # built executables to PATH.
2510 if test "$RPATH_ENVVAR" = PATH; then
2511 GCC_SHLIB_SUBDIR=/shlib
2516 # Record target_configdirs and the configure arguments for target and
2517 # build configuration in Makefile.
2518 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2519 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2521 # If we are building libgomp, bootstrap it.
2522 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2523 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2526 # If we are building libsanitizer, bootstrap it.
2527 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2528 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2531 # If we are building libvtv, bootstrap it.
2532 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then
2533 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2536 # Determine whether gdb needs tk/tcl or not.
2537 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2538 # and in that case we want gdb to be built without tk. Ugh!
2539 # In fact I believe gdb is the *only* package directly dependent on tk,
2540 # so we should be able to put the 'maybe's in unconditionally and
2541 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2542 # 100% sure that that's safe though.
2544 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2545 case "$enable_gdbtk" in
2549 GDB_TK="${gdb_tk}" ;;
2551 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2552 # distro. Eventually someone will fix this and move Insight, nee
2553 # gdbtk to a separate directory.
2554 if test -d ${srcdir}/gdb/gdbtk ; then
2561 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2562 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2564 # Strip out unwanted targets.
2566 # While at that, we remove Makefiles if we were started for recursive
2567 # configuration, so that the top-level Makefile reconfigures them,
2568 # like we used to do when configure itself was recursive.
2570 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2571 # but now we're fixing up the Makefile ourselves with the additional
2572 # commands passed to AC_CONFIG_FILES. Use separate variables
2573 # extrasub-{build,host,target} not because there is any reason to split
2574 # the substitutions up that way, but only to remain below the limit of
2575 # 99 commands in a script, for HP-UX sed.
2576 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2578 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2579 yes:yes:*\ gold\ *:*,c++,*) ;;
2580 yes:yes:*\ gold\ *:*)
2581 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2585 # Adjust the toplevel makefile according to whether bootstrap was selected.
2586 case $enable_bootstrap in
2588 bootstrap_suffix=bootstrap
2589 BUILD_CONFIG=bootstrap-debug
2592 bootstrap_suffix=no-bootstrap
2597 AC_MSG_CHECKING(for default BUILD_CONFIG)
2599 AC_ARG_WITH([build-config],
2600 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2601 [use config/NAME.mk build configuration])],
2602 [case $with_build_config in
2603 yes) with_build_config= ;;
2604 no) with_build_config= BUILD_CONFIG= ;;
2607 if test "x${with_build_config}" != x; then
2608 BUILD_CONFIG=$with_build_config
2610 case $BUILD_CONFIG in
2612 if echo "int f (void) { return 0; }" > conftest.c &&
2613 ${CC} -c conftest.c &&
2614 mv conftest.o conftest.o.g0 &&
2615 ${CC} -c -g conftest.c &&
2616 mv conftest.o conftest.o.g &&
2617 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2622 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2626 AC_MSG_RESULT($BUILD_CONFIG)
2627 AC_SUBST(BUILD_CONFIG)
2630 for module in ${build_configdirs} ; do
2631 if test -z "${no_recursion}" \
2632 && test -f ${build_subdir}/${module}/Makefile; then
2633 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2634 rm -f ${build_subdir}/${module}/Makefile
2636 extrasub_build="$extrasub_build
2637 /^@if build-$module\$/d
2638 /^@endif build-$module\$/d
2639 /^@if build-$module-$bootstrap_suffix\$/d
2640 /^@endif build-$module-$bootstrap_suffix\$/d"
2643 for module in ${configdirs} ; do
2644 if test -z "${no_recursion}"; then
2645 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2646 if test -f ${file}; then
2647 echo 1>&2 "*** removing ${file} to force reconfigure"
2652 extrasub_host="$extrasub_host
2654 /^@endif $module\$/d
2655 /^@if $module-$bootstrap_suffix\$/d
2656 /^@endif $module-$bootstrap_suffix\$/d"
2659 for module in ${target_configdirs} ; do
2660 if test -z "${no_recursion}" \
2661 && test -f ${target_subdir}/${module}/Makefile; then
2662 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2663 rm -f ${target_subdir}/${module}/Makefile
2666 # We only bootstrap target libraries listed in bootstrap_target_libs.
2667 case $bootstrap_target_libs in
2668 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2669 *) target_bootstrap_suffix=no-bootstrap ;;
2672 extrasub_target="$extrasub_target
2673 /^@if target-$module\$/d
2674 /^@endif target-$module\$/d
2675 /^@if target-$module-$target_bootstrap_suffix\$/d
2676 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2679 # Do the final fixup along with target modules.
2680 extrasub_target="$extrasub_target
2681 /^@if /,/^@endif /d"
2683 # Create the serialization dependencies. This uses a temporary file.
2685 AC_ARG_ENABLE([serial-configure],
2686 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2687 [force sequential configuration of
2688 sub-packages for the host, target or build
2689 machine, or all sub-packages])])
2691 case ${enable_serial_configure} in
2693 enable_serial_build_configure=yes
2694 enable_serial_host_configure=yes
2695 enable_serial_target_configure=yes
2699 # These force 'configure's to be done one at a time, to avoid problems
2700 # with contention over a shared config.cache.
2702 echo '# serdep.tmp' > serdep.tmp
2704 test "x${enable_serial_build_configure}" = xyes &&
2705 for item in ${build_configdirs} ; do
2708 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2713 test "x${enable_serial_host_configure}" = xyes &&
2714 for item in ${configdirs} ; do
2717 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2722 test "x${enable_serial_target_configure}" = xyes &&
2723 for item in ${target_configdirs} ; do
2726 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2730 serialization_dependencies=serdep.tmp
2731 AC_SUBST_FILE(serialization_dependencies)
2733 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2734 # target, nonopt, and variable assignments. These are the ones we
2735 # might not want to pass down to subconfigures. The exception being
2736 # --cache-file=/dev/null, which is used to turn off the use of cache
2737 # files altogether, and which should be passed on to subconfigures.
2738 # Also strip program-prefix, program-suffix, and program-transform-name,
2739 # so that we can pass down a consistent program-transform-name.
2744 eval "set -- $ac_configure_args"
2747 if test X"$skip_next" = X"yes"; then
2751 if test X"$keep_next" = X"yes"; then
2754 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2756 baseargs="$baseargs '$ac_arg'"
2757 tbaseargs="$tbaseargs '$ac_arg'"
2762 # Handle separated arguments. Based on the logic generated by
2765 *=* | --config-cache | -C | -disable-* | --disable-* \
2766 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2767 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2768 | -with-* | --with-* | -without-* | --without-* | --x)
2782 --with-* | --without-*)
2783 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2787 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2790 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2799 mpc | mpfr | gmp | cloog)
2800 # If we're processing --with-$lib, --with-$lib-include or
2801 # --with-$lib-lib, for one of the libs above, and target is
2802 # different from host, don't pass the current argument to any
2803 # target library's configure.
2804 if test x$is_cross_compiler = xyes; then
2813 --cache-file=/dev/null | \
2814 -cache-file=/dev/null )
2815 # Handled here to avoid the test to skip args below.
2816 baseargs="$baseargs '$ac_arg'"
2817 tbaseargs="$tbaseargs '$ac_arg'"
2818 # Assert: $separate_arg should always be no.
2819 keep_next=$separate_arg
2835 -program-prefix* | \
2836 -program-suffix* | \
2837 -program-transform-name* )
2838 skip_next=$separate_arg
2842 # An option. Add it.
2845 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2847 baseargs="$baseargs '$ac_arg'"
2848 if test X"$skip_targ" = Xno; then
2849 tbaseargs="$tbaseargs '$ac_arg'"
2851 keep_next=$separate_arg
2854 # Either a variable assignment, or a nonopt (triplet). Don't
2855 # pass it down; let the Makefile handle this.
2860 # Remove the initial space we just introduced and, as these will be
2861 # expanded by make, quote '$'.
2862 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2864 # Add in --program-transform-name, after --program-prefix and
2865 # --program-suffix have been applied to it. Autoconf has already
2866 # doubled dollar signs and backslashes in program_transform_name; we want
2867 # the backslashes un-doubled, and then the entire thing wrapped in single
2868 # quotes, because this will be expanded first by make and then by the shell.
2869 # Also, because we want to override the logic in subdir configure scripts to
2870 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2871 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2872 ${program_transform_name}
2874 gcc_transform_name=`cat conftestsed.out`
2875 rm -f conftestsed.out
2876 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2877 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2878 if test "$silent" = yes; then
2879 baseargs="$baseargs --silent"
2880 tbaseargs="$tbaseargs --silent"
2882 baseargs="$baseargs --disable-option-checking"
2883 tbaseargs="$tbaseargs --disable-option-checking"
2885 # Record and document user additions to sub configure arguments.
2886 AC_ARG_VAR([build_configargs],
2887 [additional configure arguments for build directories])
2888 AC_ARG_VAR([host_configargs],
2889 [additional configure arguments for host directories])
2890 AC_ARG_VAR([target_configargs],
2891 [additional configure arguments for target directories])
2893 # For the build-side libraries, we just need to pretend we're native,
2894 # and not use the same cache file. Multilibs are neither needed nor
2896 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2898 # For host modules, accept cache file option, or specification as blank.
2899 case "${cache_file}" in
2901 cache_file_option="" ;;
2902 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2903 cache_file_option="--cache-file=${cache_file}" ;;
2905 cache_file_option="--cache-file=../${cache_file}" ;;
2908 # Host dirs don't like to share a cache file either, horribly enough.
2909 # This seems to be due to autoconf 2.5x stupidity.
2910 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2912 target_configargs="$target_configargs ${tbaseargs}"
2914 # Passing a --with-cross-host argument lets the target libraries know
2915 # whether they are being built with a cross-compiler or being built
2916 # native. However, it would be better to use other mechanisms to make the
2917 # sorts of decisions they want to make on this basis. Please consider
2918 # this option to be deprecated. FIXME.
2919 if test x${is_cross_compiler} = xyes ; then
2920 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2923 # Special user-friendly check for native x86_64-linux build, if
2924 # multilib is not explicitly enabled.
2925 case "$target:$have_compiler:$host:$target:$enable_multilib" in
2926 x86_64-*linux*:yes:$build:$build:)
2927 # Make sure we have a developement environment that handles 32-bit
2929 echo "int main () { return 0; }" > conftest.c
2930 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2931 if test $? = 0 ; then
2932 if test -s conftest || test -s conftest.exe ; then
2937 if test x${dev64} != xyes ; then
2938 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
2943 # Default to --enable-multilib.
2944 if test x${enable_multilib} = x ; then
2945 target_configargs="--enable-multilib ${target_configargs}"
2948 # Pass --with-newlib if appropriate. Note that target_configdirs has
2949 # changed from the earlier setting of with_newlib.
2950 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2951 target_configargs="--with-newlib ${target_configargs}"
2954 # Different target subdirs use different values of certain variables
2955 # (notably CXX). Worse, multilibs use *lots* of different values.
2956 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2957 # it doesn't automatically accept command-line overrides of them.
2958 # This means it's not safe for target subdirs to share a cache file,
2959 # which is disgusting, but there you have it. Hopefully this can be
2960 # fixed in future. It's still worthwhile to use a cache file for each
2961 # directory. I think.
2963 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2964 # We need to pass --target, as newer autoconf's requires consistency
2965 # for target_alias and gcc doesn't manage it consistently.
2966 target_configargs="--cache-file=./config.cache ${target_configargs}"
2969 case " $target_configdirs " in
2971 case " $target_configargs " in
2972 *" --with-newlib "*)
2975 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2979 # If we're not building GCC, don't discard standard headers.
2980 if test -d ${srcdir}/gcc; then
2981 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2983 if test "${build}" != "${host}"; then
2984 # On Canadian crosses, CC_FOR_TARGET will have already been set
2985 # by `configure', so we won't have an opportunity to add -Bgcc/
2986 # to it. This is right: we don't want to search that directory
2987 # for binaries, but we want the header files in there, so add
2989 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2991 # Someone might think of using the pre-installed headers on
2992 # Canadian crosses, in case the installed compiler is not fully
2993 # compatible with the compiler being built. In this case, it
2994 # would be better to flag an error than risking having
2995 # incompatible object files being constructed. We can't
2996 # guarantee that an error will be flagged, but let's hope the
2997 # compiler will do it, when presented with incompatible header
3002 case "${target}-${is_cross_compiler}" in
3003 i[[3456789]]86-*-linux*-no)
3004 # Here host == target, so we don't need to build gcc,
3005 # so we don't want to discard standard headers.
3006 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3009 # If we're building newlib, use its generic headers last, but search
3010 # for any libc-related directories first (so make it the last -B
3012 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3014 # If we're building libgloss, find the startup file, simulator library
3015 # and linker script.
3016 case " $target_configdirs " in
3018 # Look for startup file, simulator library and maybe linker script.
3019 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3020 # Look for libnosys.a in case the target needs it.
3021 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3022 # Most targets have the linker script in the source directory.
3023 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3034 x86_64-*mingw* | *-w64-mingw*)
3035 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3036 # however, use a symlink named 'mingw' in ${prefix} .
3037 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3040 # MinGW can't be handled as Cygwin above since it does not use newlib.
3041 FLAGS_FOR_TARGET=$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'
3045 # Allow the user to override the flags for
3046 # our build compiler if desired.
3047 if test x"${build}" = x"${host}" ; then
3048 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3049 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3050 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3053 # On Canadian crosses, we'll be searching the right directories for
3054 # the previously-installed cross compiler, so don't bother to add
3055 # flags for directories within the install tree of the compiler
3056 # being built; programs in there won't even run.
3057 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3058 # Search for pre-installed headers if nothing else fits.
3059 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3062 if test "x${use_gnu_ld}" = x &&
3063 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3064 # Arrange for us to find uninstalled linker scripts.
3065 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3068 # Search for other target-specific linker scripts and such.
3071 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3075 # Makefile fragments.
3076 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3078 eval fragval=\$$frag
3079 if test $fragval != /dev/null; then
3080 eval $frag=${srcdir}/$fragval
3083 AC_SUBST_FILE(host_makefile_frag)
3084 AC_SUBST_FILE(target_makefile_frag)
3085 AC_SUBST_FILE(alphaieee_frag)
3086 AC_SUBST_FILE(ospace_frag)
3088 # Miscellanea: directories, flags, etc.
3089 AC_SUBST(RPATH_ENVVAR)
3090 AC_SUBST(GCC_SHLIB_SUBDIR)
3092 AC_SUBST(build_tooldir)
3093 AC_SUBST(CONFIGURE_GDB_TK)
3095 AC_SUBST(INSTALL_GDB_TK)
3097 # Build module lists & subconfigure args.
3098 AC_SUBST(build_configargs)
3099 AC_SUBST(build_configdirs)
3101 # Host module lists & subconfigure args.
3102 AC_SUBST(host_configargs)
3103 AC_SUBST(configdirs)
3104 AC_SUBST(target_configdirs)
3106 # Target module lists & subconfigure args.
3107 AC_SUBST(target_configargs)
3111 AC_SUBST(AR_FOR_BUILD)
3112 AC_SUBST(AS_FOR_BUILD)
3113 AC_SUBST(CC_FOR_BUILD)
3114 AC_SUBST(CFLAGS_FOR_BUILD)
3115 AC_SUBST(CXXFLAGS_FOR_BUILD)
3116 AC_SUBST(CXX_FOR_BUILD)
3117 AC_SUBST(DLLTOOL_FOR_BUILD)
3118 AC_SUBST(GCJ_FOR_BUILD)
3119 AC_SUBST(GFORTRAN_FOR_BUILD)
3120 AC_SUBST(GOC_FOR_BUILD)
3121 AC_SUBST(LDFLAGS_FOR_BUILD)
3122 AC_SUBST(LD_FOR_BUILD)
3123 AC_SUBST(NM_FOR_BUILD)
3124 AC_SUBST(RANLIB_FOR_BUILD)
3125 AC_SUBST(WINDMC_FOR_BUILD)
3126 AC_SUBST(WINDRES_FOR_BUILD)
3128 # Generate default definitions for YACC, M4, LEX and other programs that run
3129 # on the build machine. These are used if the Makefile can't locate these
3130 # programs in objdir.
3131 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3133 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3134 case " $build_configdirs " in
3135 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3138 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3139 case " $build_configdirs " in
3140 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3143 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3144 case " $build_configdirs " in
3145 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3148 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3149 case " $build_configdirs " in
3150 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3151 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3154 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3155 case " $build_configdirs " in
3156 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3159 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3160 case " $build_configdirs " in
3161 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3164 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3165 # higher, else we use the "missing" dummy.
3166 if ${MAKEINFO} --version \
3167 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3170 MAKEINFO="$MISSING makeinfo"
3176 # FIXME: expect and dejagnu may become build tools?
3178 AC_CHECK_PROGS(EXPECT, expect, expect)
3179 case " $configdirs " in
3181 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3185 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3186 case " $configdirs " in
3188 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3193 NCN_STRICT_CHECK_TOOLS(AR, ar)
3194 NCN_STRICT_CHECK_TOOLS(AS, as)
3195 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3196 NCN_STRICT_CHECK_TOOLS(LD, ld)
3197 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3198 NCN_STRICT_CHECK_TOOLS(NM, nm)
3199 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3200 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3201 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3202 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3203 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3204 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3205 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3212 AC_ARG_WITH([build-time-tools],
3213 [AS_HELP_STRING([--with-build-time-tools=PATH],
3214 [use given path to find target tools during the build])],
3215 [case x"$withval" in
3218 with_build_time_tools=
3219 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3222 [with_build_time_tools=])
3224 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3225 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3226 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3227 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3228 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3229 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3231 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3232 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3233 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3234 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3235 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3236 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3237 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3238 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3239 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3240 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3241 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3242 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3244 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3246 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3247 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3248 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3249 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3250 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3251 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3253 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3254 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3256 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3257 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3258 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3259 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3260 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3261 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3262 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3263 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3264 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3265 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3266 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3267 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3268 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3269 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3270 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3271 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3272 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3274 AC_SUBST(FLAGS_FOR_TARGET)
3275 AC_SUBST(RAW_CXX_FOR_TARGET)
3277 # Certain tools may need extra flags.
3278 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3279 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3280 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3282 # When building target libraries, except in a Canadian cross, we use
3283 # the same toolchain as the compiler we just built.
3284 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3285 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3286 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3287 if test $host = $build; then
3288 case " $configdirs " in
3290 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3291 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3292 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3297 AC_SUBST(COMPILER_AS_FOR_TARGET)
3298 AC_SUBST(COMPILER_LD_FOR_TARGET)
3299 AC_SUBST(COMPILER_NM_FOR_TARGET)
3301 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3302 AC_ARG_ENABLE(maintainer-mode,
3303 [AS_HELP_STRING([--enable-maintainer-mode],
3304 [enable make rules and dependencies not useful
3305 (and sometimes confusing) to the casual installer])],
3306 USE_MAINTAINER_MODE=$enableval,
3307 USE_MAINTAINER_MODE=no)
3308 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3309 AC_SUBST(MAINTAINER_MODE_TRUE)
3310 AC_SUBST(MAINTAINER_MODE_FALSE)
3311 if test "$USE_MAINTAINER_MODE" = yes; then
3312 MAINTAINER_MODE_TRUE=
3313 MAINTAINER_MODE_FALSE='#'
3315 MAINTAINER_MODE_TRUE='#'
3316 MAINTAINER_MODE_FALSE=
3318 MAINT=$MAINTAINER_MODE_TRUE
3321 # ---------------------
3322 # GCC bootstrap support
3323 # ---------------------
3325 # Stage specific cflags for build.
3330 yes) stage1_cflags="-g -Wa,-J" ;;
3331 *) stage1_cflags="-g -J" ;;
3335 AC_SUBST(stage1_cflags)
3337 # Enable --enable-checking in stage1 of the compiler.
3338 AC_ARG_ENABLE(stage1-checking,
3339 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3340 [choose additional checking for stage1 of the compiler])],
3341 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3342 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3343 stage1_checking=--enable-checking=yes,types
3345 stage1_checking=--enable-checking=$enable_checking,types
3347 AC_SUBST(stage1_checking)
3349 # Enable -Werror in bootstrap stage2 and later.
3350 AC_ARG_ENABLE(werror,
3351 [AS_HELP_STRING([--enable-werror],
3352 [enable -Werror in bootstrap stage2 and later])], [],
3353 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3358 case ${enable_werror} in
3359 yes) stage2_werror_flag="--enable-werror-always" ;;
3360 *) stage2_werror_flag="" ;;
3362 AC_SUBST(stage2_werror_flag)
3364 # Enable --enable-host-shared.
3365 AC_ARG_ENABLE(host-shared,
3366 [AS_HELP_STRING([--enable-host-shared],
3367 [build host code as shared libraries])],
3368 [host_shared=$enableval], [host_shared=no])
3369 AC_SUBST(host_shared)
3371 # Specify what files to not compare during bootstrap.
3373 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3375 hppa*64*-*-hpux*) ;;
3376 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3377 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3379 AC_SUBST(compare_exclusions)
3381 AC_CONFIG_FILES([Makefile],
3382 [sed "$extrasub_build" Makefile |
3383 sed "$extrasub_host" |
3384 sed "$extrasub_target" > mf$$
3385 mv -f mf$$ Makefile],
3386 [extrasub_build="$extrasub_build"
3387 extrasub_host="$extrasub_host"
3388 extrasub_target="$extrasub_target"])