# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-# 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+# 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##############################################################################
### WARNING: this file contains embedded tabs. Do not run untabify on this file.
+sinclude(config/acx.m4)
+
AC_INIT(move-if-change)
+AC_PREREQ(2.13)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
-sinclude(config/acx.m4)
-
-# clear some things potentially inherited from environment.
-
-enable_threads=no
-enable_shared=no
-enable_libstdcxx_v3=yes
-floating_point=default
-gas=default
-x11=default
+# Get 'install' or 'install-sh' and its variants.
+AC_PROG_INSTALL
+ACX_PROG_LN
+AC_PROG_LN_S
### we might need to use some other shell than /bin/sh for running subshells
### If we are on Windows, search for the shell. This will permit people
config_shell=${CONFIG_SHELL-/bin/sh}
-## this is a little touchy and won't always work, but...
-##
-## if the argv[[0]] starts with a slash then it is an absolute name that can (and
-## must) be used as is.
-##
-## otherwise, if argv[[0]] has no slash in it, we can assume that it is on the
-## path. Since PATH might include "." we also add `pwd` to the end of PATH.
-##
-
progname=$0
# if PWD already has a value, it is probably wrong.
if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
-# Export original configure arguments for use by sub-configures.
-TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
-export TOPLEVEL_CONFIGURE_ARGUMENTS
+# Export original configure arguments for use by sub-configures. These
+# will be expanded by make, so quote '$'.
+tmp="$progname $@"
+sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
+$tmp
+EOF_SED
+TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
+rm -f conftestsed.out
+AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
moveifchange=${srcdir}/move-if-change
+srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
+
+# We pass INSTALL explicitly to sub-makes. Make sure that it is not
+# a relative path.
+if test "$INSTALL" = "${srcdir}/install-sh -c"; then
+ INSTALL="${srcpwd}/install-sh -c"
+fi
+
# Set srcdir to "." if that's what it is.
# This is important for multilib support.
pwd=`${PWDCMD-pwd}`
-srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
if test "${pwd}" = "${srcpwd}" ; then
srcdir=.
fi
topsrcdir=$srcpwd
extra_host_args=
-# Define the trigger file to make sure configure will re-run whenever
-# the gcc version number changes.
-if test "${with_gcc_version_trigger+set}" = set ; then
- gcc_version_trigger="$with_gcc_version_trigger"
- gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
-else
- # If gcc's sources are available, define the trigger file.
- if test -f ${topsrcdir}/gcc/version.c ; then
- gcc_version_trigger=${topsrcdir}/gcc/version.c
- gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
- case "$ac_configure_args" in
- *--with-gcc-version-trigger=$gcc_version_trigger* )
- ;;
- * )
- # Add to all subconfigure arguments: build, host, and target.
- ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
- ;;
- esac
- fi
-fi
### To add a new directory to the tree, first choose whether it is a target
### or a host dependent tool. Then put it into the appropriate list
# Double entries in build_configdirs, configdirs, or target_configdirs may
# cause circular dependencies and break everything horribly.
-# these libraries are used by various programs built for the host environment
+# these library is used by various programs built for the build
+# environment
#
-host_libs="intl mmalloc libiberty opcodes bfd readline db tcl tk itcl tix libgui zlib"
+build_libs="build-libiberty"
-libstdcxx_version="target-libstdc++-v3"
+# these tools are built for the build environment
+build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
+
+# these libraries are used by various programs built for the host environment
+#
+host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# know that we are building the simulator.
# binutils, gas and ld appear in that order because it makes sense to run
# "make check" in that particular order.
-host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool grep diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils snavigator gettext zip fastjar"
+host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
# these libraries are built for the target environment, and are built after
# the host libraries and the host tools (which may be a cross compiler)
#
-target_libs="target-libiberty \
+target_libraries="target-libiberty \
target-libgloss \
target-newlib \
- ${libstdcxx_version} \
- target-libf2c \
- ${libgcj}
- target-libobjc"
-
-# these tools are built using the target libs, and are intended to run only
-# in the target environment
+ target-libstdc++-v3 \
+ target-libmudflap \
+ target-libssp \
+ target-libgfortran \
+ ${libgcj} \
+ target-libobjc \
+ target-libada"
+
+# these tools are built using the target libraries, and are intended to
+# run only in the target environment
#
-# note: any program that *uses* libraries that are in the "target_libs"
+# note: any program that *uses* libraries that are in the "target_libraries"
# list belongs in this list. those programs are also very likely
# candidates for the "native_only" list which follows
#
## is important because configure will choke if they ever get through.
## ${configdirs} is directories we build using the host tools.
## ${target_configdirs} is directories we build using the target tools.
-#
configdirs=`echo ${host_libs} ${host_tools}`
-target_configdirs=`echo ${target_libs} ${target_tools}`
+target_configdirs=`echo ${target_libraries} ${target_tools}`
+build_configdirs=`echo ${build_libs} ${build_tools}`
################################################################################
is_cross_compiler=yes
fi
-# We always want to use the same name for this directory, so that dejagnu
-# can reliably find it.
-target_subdir=${target_alias}
-
-if test ! -d ${target_subdir} ; then
- if mkdir ${target_subdir} ; then true
- else
- echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
- exit 1
- fi
-fi
-
-build_prefix=build-
-build_subdir=${build_prefix}${build_alias}
-
-if test x"${build_alias}" != x"${host}" ; then
- if test ! -d ${build_subdir} ; then
- if mkdir ${build_subdir} ; then true
- else
- echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
- exit 1
- fi
- fi
-fi
+# Find the build and target subdir names.
+GCC_TOPLEV_SUBDIRS
# Skipdirs are removed silently.
skipdirs=
case ${with_x} in
yes | "") ;; # the default value for this tree is that X11 is available
no)
- skipdirs="${skipdirs} tk tix itcl libgui"
+ skipdirs="${skipdirs} tk itcl libgui"
# We won't be able to build gdbtk without X.
enable_gdbtk=no
;;
# Some tools are only suitable for building in a "native" situation.
# Remove these if host!=target.
-native_only="autoconf automake libtool fileutils find gawk gettext grep gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms snavigator gnuserv target-gperf"
+native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
# Similarly, some are only suitable for cross toolchains.
# Remove these if host=target.
# If both --with-headers and --with-libs are specified, default to
# --without-newlib.
-if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
+if test x"${with_headers}" != x && test x"${with_headers}" != xno \
+ && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
if test x"${with_newlib}" = x ; then
with_newlib=no
fi
configdirs="$configdirs libtermcap" ;;
esac
+# A target can indicate whether a language isn't supported for some reason.
+# Only spaces may be used in this macro; not newlines or tabs.
+unsupported_languages=
+
# Remove more programs from consideration, based on the host or
# target this usually means that a port of the program doesn't
# exist yet.
hppa*64*-*-*)
noconfigdirs="$noconfigdirs byacc"
;;
- i[[3456]]86-*-vsta)
- noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv gettext"
+ i[[3456789]]86-*-vsta)
+ noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
+ ;;
+ i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
+ noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
+ ;;
+ i[[3456789]]86-*-mingw32*)
+ # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
+ noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
+ ;;
+ i[[3456789]]86-*-beos*)
+ noconfigdirs="$noconfigdirs tk itcl libgui gdb"
;;
- i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
- noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix db snavigator gnuserv libffi"
- ;;
- i[[3456]]86-*-mingw32*)
- # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv"
- noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
- ;;
- i[[3456]]86-*-beos*)
- noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
- ;;
*-*-cygwin*)
- noconfigdirs="autoconf automake send-pr rcs guile perl"
+ noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
;;
*-*-netbsd*)
- noconfigdirs="rcs"
+ noconfigdirs="$noconfigdirs rcs"
;;
ppc*-*-pe)
- noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix db snavigator gnuserv"
+ noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
;;
powerpc-*-beos*)
- noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
- ;;
- *-*-darwin*)
- noconfigdirs="$noconfigdirs tk itcl tix libgui"
+ noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
;;
esac
+
+AC_ARG_ENABLE(libada,
+[ --enable-libada Builds libada directory],
+ENABLE_LIBADA=$enableval,
+ENABLE_LIBADA=yes)
+if test "${ENABLE_LIBADA}" != "yes" ; then
+ noconfigdirs="$noconfigdirs target-libada"
+ noconfigdirs="$noconfigdirs gnattools"
+fi
+
+AC_ARG_ENABLE(libssp,
+[ --enable-libssp Builds libssp directory],
+ENABLE_LIBSSP=$enableval,
+ENABLE_LIBSSP=yes)
+if test "${ENABLE_LIBSSP}" != "yes" ; then
+ noconfigdirs="$noconfigdirs target-libssp"
+fi
+
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
;;
esac
+
+# Allow --disable-libmudflap to exclude target-libmudflap
+case $enable_libmudflap in
+yes)
+ ;;
+no)
+ noconfigdirs="$noconfigdirs target-libmudflap"
+ ;;
+"")
+ case "${target}" in
+ *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
+ # Enable libmudflap by default in GNU and friends.
+ ;;
+ *-*-freebsd*)
+ # Enable libmudflap by default in FreeBSD.
+ ;;
+ *)
+ # Disable it by default everywhere else.
+ noconfigdirs="$noconfigdirs target-libmudflap"
+ ;;
+ esac
+esac
+
+
case "${target}" in
*-*-chorusos)
noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
+ powerpc-*-darwin*)
+ noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
+ *-*-darwin*)
+ noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
*-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
+ *-*-freebsd*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
+ && test -f /usr/local/include/gmp.h; then
+ with_gmp=/usr/local
+ fi
+
+ # Skip some stuff that's unsupported on some FreeBSD configurations.
+ case "${target}" in
+ i*86-*-*) ;;
+ alpha*-*-*) ;;
+ *)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ esac
+ ;;
+ *-*-kaos*)
+ # Remove unsupported stuff on all kaOS configurations.
+ skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
+ skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
+ skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
+ noconfigdirs="$noconfigdirs target-libgloss"
+ ;;
*-*-netbsd*)
# Skip some stuff on all NetBSD configurations.
noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
# Skip some stuff that's unsupported on some NetBSD configurations.
case "${target}" in
i*86-*-netbsdelf*) ;;
+ arm*-*-netbsdelf*) ;;
*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
esac
;;
- *-*-netware)
- noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss ${libgcj}"
+ *-*-netware*)
+ noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
;;
*-*-rtems*)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
- case ${target} in
- h8300*-*-* | h8500-*-*)
- noconfigdirs="$noconfigdirs target-libf2c"
- ;;
- *) ;;
- esac
+ ;;
+ # The tpf target doesn't support gdb yet.
+ *-*-tpf*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
+ ;;
+ *-*-uclinux*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
;;
*-*-vxworks*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
+ ;;
+ m32c-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
alpha*-dec-osf*)
# ld works, but does not support shared libraries.
# newlib is not 64 bit ready
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
- alpha*-*-freebsd*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
- ;;
alpha*-*-*)
# newlib is not 64 bit ready
noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
+ am33_2.0-*-linux*)
+ noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
+ ;;
sh-*-linux*)
noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
;;
noconfigdirs="$noconfigdirs ${libgcj}"
noconfigdirs="$noconfigdirs target-examples"
noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
- noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
+ noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
noconfigdirs="$noconfigdirs expect dejagnu"
# the C++ libraries don't build on top of CE's C libraries
- noconfigdirs="$noconfigdirs ${libstdcxx_version}"
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
noconfigdirs="$noconfigdirs target-newlib"
case "${host}" in
*-*-cygwin*) ;; # keep gdb and readline
- *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
+ *) noconfigdirs="$noconfigdirs gdb readline"
;;
esac
;;
arc-*-*)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
+ arm-semi-aof )
+ ;;
arm-*-coff | strongarm-*-coff | xscale-*-coff)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
- arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
+ arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
noconfigdirs="$noconfigdirs target-libffi target-qthreads"
;;
- arm-*-pe*)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ arm*-*-symbianelf*)
+ noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
;;
- arm-*-oabi*)
+ arm-*-pe*)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
thumb-*-coff)
thumb-*-elf)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
- thumb-*-oabi)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
- ;;
thumb-*-pe)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
;;
avr-*-*)
- noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
;;
c4x-*-* | tic4x-*-*)
- noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
;;
c54x*-*-* | tic54x-*-*)
- noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
;;
- cris-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ cris-*-* | crisv32-*-*)
+ unsupported_languages="$unsupported_languages java"
+ case "${target}" in
+ *-*-aout)
+ unsupported_languages="$unsupported_languages f95"
+ noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
+ *-*-elf)
+ unsupported_languages="$unsupported_languages f95"
+ noconfigdirs="$noconfigdirs target-boehm-gc";;
+ *-*-linux*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
+ *)
+ unsupported_languages="$unsupported_languages f95"
+ noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
+ esac
+ ;;
+ crx-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
;;
d10v-*-*)
- noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
;;
d30v-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs ${libgcj} gdb"
;;
fr30-*-elf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs ${libgcj} gdb"
;;
frv-*-*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
h8300*-*-*)
- noconfigdirs="$noconfigdirs target-libgloss"
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
h8500-*-*)
- noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} target-libf2c"
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
+ ;;
+ hppa1.1-*-osf* | hppa1.1-*-bsd* )
;;
hppa*64*-*-linux* | parisc*64*-*-linux*)
# In this case, it's because the hppa64-linux target is for
# headers, crt*.o, etc., all of which are needed by these.
noconfigdirs="$noconfigdirs target-zlib"
;;
+ parisc*-*-linux* | hppa*-*-linux*)
+ ;;
hppa*-*-*elf* | \
- parisc*-*-linux* | hppa*-*-linux* | \
hppa*-*-lites* | \
hppa*-*-openbsd* | \
hppa*64*-*-*)
noconfigdirs="$noconfigdirs ${libgcj}"
- # Do configure ld/binutils/gas for this case.
;;
hppa*-*-*)
# According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
# build on HP-UX 10.20.
noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
;;
+ i960-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj} gdb"
+ ;;
ia64*-*-elf*)
# No gdb support yet.
- noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
+ noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
;;
ia64*-**-hpux*)
# No gdb or ld support yet.
- noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
+ noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
;;
- i[[3456]]86-*-coff | i[[3456]]86-*-elf)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ i370-*-opened*)
;;
- i[[34567]]86-*-freebsd*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
- i[[3456]]86-*-linux*)
+ i[[3456789]]86-*-linux*)
# The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
# not build java stuff by default.
case "${target}" in
# This section makes it possible to build newlib natively on linux.
# If we are using a cross compiler then don't configure newlib.
if test x${is_cross_compiler} != xno ; then
- noconfigdirs="$noconfigdirs target-newlib"
+ noconfigdirs="$noconfigdirs target-newlib"
fi
noconfigdirs="$noconfigdirs target-libgloss"
# If we are not using a cross compiler, do configure newlib.
# if the --with-newlib option has been given, because otherwise
# 'target-newlib' will appear in skipdirs.
;;
- i[[3456]]86-*-mingw32*)
+ i[[3456789]]86-*-mingw32*)
target_configdirs="$target_configdirs target-mingw"
noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
# Can't build gdb for mingw32 if not native.
case "${host}" in
- i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
- *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
+ i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
+ *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
;;
esac
;;
*-*-cygwin*)
target_configdirs="$target_configdirs target-libtermcap target-winsup"
noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
- # always build newlib.
- skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
+ # always build newlib if winsup directory is present.
+ if test -d "$srcdir/winsup"; then
+ skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
+ elif test -d "$srcdir/newlib"; then
+ echo "Warning: winsup is missing so newlib can't be built."
+ fi
# Can't build gdb for Cygwin if not native.
case "${host}" in
*-*-cygwin*) ;; # keep gdb tcl tk expect etc.
- *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
+ *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
;;
esac
;;
- i[[3456]]86-*-pe)
- noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
+ i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
+ i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
+ ;;
+ i[[3456789]]86-*-pe)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
;;
- i[[3456]]86-*-sco3.2v5*)
+ i[[3456789]]86-*-sco3.2v5*)
# The linker does not yet know about weak symbols in COFF,
# and is not configured to handle mixed ELF and COFF.
noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
;;
- i[[3456]]86-*-sco*)
+ i[[3456789]]86-*-sco*)
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
- i[[3456]]86-*-solaris2*)
+ i[[3456789]]86-*-solaris2*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
- i[[3456]]86-*-sysv4*)
+ i[[3456789]]86-*-sysv4*)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
- i[[3456]]86-*-beos*)
- noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
- ;;
+ i[[3456789]]86-*-beos*)
+ noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
+ ;;
+ m32r-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
- noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
;;
m68k-*-elf*)
noconfigdirs="$noconfigdirs ${libgcj}"
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
mmix-*-*)
- noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
+ noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
+ unsupported_languages="$unsupported_languages f95 java"
;;
mn10200-*-*)
noconfigdirs="$noconfigdirs ${libgcj}"
mn10300-*-*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
+ ms1-*-*)
+ noconfigdirs="$noconfigdirs sim"
+ ;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
target_configdirs="$target_configdirs target-winsup"
- noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
+ noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
# always build newlib.
skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
;;
# This is temporary until we can link against shared libraries
powerpcle-*-solaris*)
- noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
+ noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
;;
powerpc-*-beos*)
noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
;;
- powerpc-*-darwin*)
- noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof ${libgcj}"
- ;;
powerpc-*-eabi)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
- powerpc64*-*-linux*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
- # not yet ported.
- noconfigdirs="$noconfigdirs target-libffi"
+ powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
;;
rs6000-*-lynxos*)
noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
;;
rs6000-*-aix*)
- noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
rs6000-*-*)
noconfigdirs="$noconfigdirs gprof ${libgcj}"
noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
;;
mips*-*-irix5*)
- # The GNU linker does not support shared libraries.
- noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
mips*-*-irix6*)
- # The GNU assembler does not support IRIX 6.
# Linking libjava exceeds command-line length limits on at least
# IRIX 6.2, but not on IRIX 6.5.
# Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
# <oldham@codesourcery.com>
- noconfigdirs="$noconfigdirs gas gprof target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
mips*-dec-bsd*)
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;
mipstx39-*-*)
noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
- ;;
+ ;;
+ mips64*-*-linux*)
+ noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
+ ;;
mips*-*-linux*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
romp-*-*)
noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
;;
- sh-*-*)
+ sh-*-* | sh64-*-*)
case "${host}" in
- i[[3456]]86-*-vsta) ;; # don't add gprof back in
- i[[3456]]86-*-go32*) ;; # don't add gprof back in
- i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
+ i[[3456789]]86-*-vsta) ;; # don't add gprof back in
+ i[[3456789]]86-*-go32*) ;; # don't add gprof back in
+ i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
*) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
esac
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
- sh64-*-*)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
- ;;
sparc-*-elf*)
noconfigdirs="$noconfigdirs ${libgcj}"
;;
use_gnu_ld=no
fi
;;
+ sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
;;
v810-*-*)
- noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
;;
v850-*-*)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
vax-*-*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
+ xtensa-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
ip2k-*-*)
- noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
;;
- *-*-linux*)
+ *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
*-*-lynxos*)
*target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
esac
-# Figure out what language subdirectories are present.
-# Look if the user specified --enable-languages="..."; if not, use
-# the environment variable $LANGUAGES if defined. $LANGUAGES might
-# go away some day.
-# NB: embedded tabs in this IF block -- do not untabify
-if test x"${enable_languages+set}" != xset; then
- if test x"${LANGUAGES+set}" = xset; then
- enable_languages="${LANGUAGES}"
- echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
- else
- enable_languages=all
- fi
-else
- if test x"${enable_languages}" = x ||
- test x"${enable_languages}" = xyes;
- then
- echo configure.in: --enable-languages needs at least one language argument 1>&2
- exit 1
- fi
-fi
-enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
-
-# First scan to see if an enabled language requires some other language.
-# We assume that a given config-lang.in will list all the language
-# front ends it requires, even if some are required indirectly.
-for lang in ${srcdir}/gcc/*/config-lang.in ..
-do
- case $lang in
- ..)
- ;;
- # The odd quoting in the next line works around
- # an apparent bug in bash 1.12 on linux.
- ${srcdir}/gcc/[[*]]/config-lang.in)
- ;;
- *)
- lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
- this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^ ]]*\).*$,\1,p' $lang`
- for other in $this_lang_requires
- do
- case ,${enable_languages}, in
- *,$other,*)
- ;;
- *,all,*)
- ;;
- *,$lang_alias,*)
- echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
- enable_languages="$enable_languages,$other"
- ;;
- esac
- done
- ;;
- esac
-done
-
-subdirs=
-for lang in ${srcdir}/gcc/*/config-lang.in ..
-do
- case $lang in
- ..) ;;
- # The odd quoting in the next line works around
- # an apparent bug in bash 1.12 on linux.
- ${srcdir}/gcc/[[*]]/config-lang.in) ;;
- *)
- lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^ ]]*\).*$,\1,p' $lang`
- this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^ ]]*\).*$,\1,p' $lang`
- this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^ ]]*\).*$,\1,p' $lang`
- build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^ ]]*\).*$,\1,p' $lang`
- if test "x$lang_alias" = x
- then
- echo "$lang doesn't set \$language." 1>&2
- exit 1
- fi
- case ${build_by_default},${enable_languages}, in
- *,$lang_alias,*) add_this_lang=yes ;;
- no,*) add_this_lang=no ;;
- *,all,*) add_this_lang=yes ;;
- *) add_this_lang=no ;;
- esac
- if test x"${add_this_lang}" = xyes; then
- eval target_libs='"$target_libs "'\"$this_lang_libs\"
- else
- eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
- fi
- ;;
- esac
-done
-
-# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
-# $target_configdirs.
-# If we have the source for $noconfigdirs entries, add them to $notsupp.
-
-notsupp=""
-for dir in . $skipdirs $noconfigdirs ; do
- dirname=`echo $dir | sed -e s/target-//g`
- if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
- configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
- if test -r $srcdir/$dirname/configure ; then
- if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
- true
- else
- notsupp="$notsupp $dir"
- fi
- fi
- fi
- if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
- target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
- if test -r $srcdir/$dirname/configure ; then
- if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
- true
- else
- notsupp="$notsupp $dir"
- fi
- fi
- fi
-done
-
-# Sometimes the tools are distributed with libiberty but with no other
-# libraries. In that case, we don't want to build target-libiberty.
-if test -n "${target_configdirs}" ; then
- others=
- for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
- if test "$i" != "libiberty" ; then
- if test -r $srcdir/$i/configure ; then
- others=yes;
- break;
- fi
- fi
- done
- if test -z "${others}" ; then
- target_configdirs=
- fi
-fi
+# Work in distributions that contain no compiler tools, like Autoconf.
+tentative_cc=""
+host_makefile_frag=/dev/null
+if test -d ${srcdir}/config ; then
+case "${host}" in
+ m68k-hp-hpux*)
+ # Avoid "too much defining" errors from HPUX compiler.
+ tentative_cc="cc -Wp,-H256000"
+ # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
+ # If it's HP/UX ar, this should be harmless.
+ RANLIB="ar ts"
+ ;;
+ m68k-apollo-sysv*)
+ tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
+ ;;
+ m68k-apollo-bsd*)
+ #None of the Apollo compilers can compile gas or binutils. The preprocessor
+ # chokes on bfd, the compiler won't let you assign integers to enums, and
+ # other problems. Defining CC to gcc is a questionable way to say "don't use
+ # the apollo compiler" (the preferred version of GCC could be called cc,
+ # or whatever), but I'm not sure leaving CC as cc is any better...
+ #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
+ # Used to have BISON=yacc.
+ tentative_cc=gcc
+ ;;
+ m88k-dg-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ ;;
+ m88k-harris-cxux*)
+ # Under CX/UX, we want to tell the compiler to use ANSI mode.
+ tentative_cc="cc -Xa"
+ host_makefile_frag="config/mh-cxux"
+ ;;
+ m88k-motorola-sysv*)
+ ;;
+ mips*-dec-ultrix*)
+ tentative_cc="cc -Wf,-XNg1000"
+ host_makefile_frag="config/mh-decstation"
+ ;;
+ mips*-nec-sysv4*)
+ # The C compiler on NEC MIPS SVR4 needs bigger tables.
+ tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
+ host_makefile_frag="config/mh-necv4"
+ ;;
+ mips*-sgi-irix4*)
+ # Tell compiler to use K&R C. We can't compile under the SGI Ansi
+ # environment. Also bump switch table size so that cp-parse will
+ # compile. Bump string length limit so linker builds.
+ tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
+ ;;
+ mips*-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ mips*-*-sysv*)
+ # This is for a MIPS running RISC/os 4.52C.
-# Deconfigure all subdirectories, in case we are changing the
-# configuration from one where a subdirectory is supported to one where it
-# is not.
-if test -z "${norecursion}" && test -n "${configdirs}" ; then
- for i in `echo ${configdirs} | sed -e s/target-//g` ; do
- rm -f $i/Makefile
+ # This is needed for GDB, but needs to be in the top-level make because
+ # if a library is compiled with the bsd headers and gets linked with the
+ # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
+ # a different size).
+ # ptrace(2) apparently has problems in the BSD environment. No workaround is
+ # known except to select the sysv environment. Could we use /proc instead?
+ # These "sysv environments" and "bsd environments" often end up being a pain.
+ #
+ # This is not part of CFLAGS because perhaps not all C compilers have this
+ # option.
+ tentative_cc="cc -systype sysv"
+ ;;
+ i370-ibm-opened*)
+ tentative_cc="c89"
+ ;;
+ i[[3456789]]86-*-sysv5*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[[3456789]]86-*-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ host_makefile_frag="config/mh-dgux386"
+ ;;
+ i[[3456789]]86-ncr-sysv4.3*)
+ # The MetaWare compiler will generate a copyright message unless you
+ # turn it off by adding the -Hnocopyr flag.
+ tentative_cc="cc -Hnocopyr"
+ ;;
+ i[[3456789]]86-ncr-sysv4*)
+ # for an NCR 3000 (i486/SVR4) system.
+ # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
+ # This compiler not only emits obnoxious copyright messages every time
+ # you run it, but it chokes and dies on a whole bunch of GNU source
+ # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
+ tentative_cc="/usr/ccs/ATT/cc"
+ host_makefile_frag="config/mh-ncr3000"
+ ;;
+ i[[3456789]]86-*-sco3.2v5*)
+ ;;
+ i[[3456789]]86-*-sco*)
+ # The native C compiler botches some simple uses of const. Unfortunately,
+ # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
+ tentative_cc="cc -Dconst="
+ host_makefile_frag="config/mh-sco"
+ ;;
+ i[[3456789]]86-*-udk*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[[3456789]]86-*-solaris2*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ i[[3456789]]86-*-msdosdjgpp*)
+ host_makefile_frag="config/mh-djgpp"
+ ;;
+ *-cygwin*)
+ host_makefile_frag="config/mh-cygwin"
+ ;;
+ *-mingw32*)
+ ;;
+ *-interix*)
+ host_makefile_frag="config/mh-interix"
+ ;;
+ vax-*-ultrix2*)
+ # The old BSD pcc isn't up to compiling parts of gdb so use gcc
+ tentative_cc=gcc
+ ;;
+ *-*-solaris2*)
+ host_makefile_frag="config/mh-solaris"
+ ;;
+ m68k-sun-sunos*)
+ # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
+ # without overflowing the jump tables (-J says to use a 32 bit table)
+ tentative_cc="cc -J"
+ ;;
+ *-hp-hpux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ *-*-hiux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ rs6000-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/usr/cygnus/progressive/bin/gcc"
+ host_makefile_frag="config/mh-lynxrs6k"
+ ;;
+ powerpc-*-darwin*)
+ host_makefile_frag="config/mh-ppc-darwin"
+ ;;
+ *-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/bin/gcc"
+ ;;
+ *-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ # This is placed last to prevent interfering with the cases above.
+ i[[3456789]]86-*-*)
+ # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
+ host_makefile_frag="config/mh-x86omitfp"
+ ;;
+esac
+fi
+
+# If we aren't going to be using gcc, see if we can extract a definition
+# of CC from the fragment.
+# Actually, use the 'pre-extracted' version above.
+if test -z "${CC}" && test "${build}" = "${host}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ found=
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ found=yes
+ break
+ fi
done
+ IFS="$save_ifs"
+ if test -z "${found}" && test -n "${tentative_cc}" ; then
+ CC=$tentative_cc
+ fi
fi
-if test -z "${norecursion}" && test -n "${target_configdirs}" ; then
+
+if test "${build}" != "${host}" ; then
+ # If we are doing a Canadian Cross, in which the host and build systems
+ # are not the same, we set reasonable default values for the tools.
+
+ CC=${CC-${host_alias}-gcc}
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXX=${CXX-${host_alias}-c++}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ BUILD_PREFIX=${build_alias}-
+ BUILD_PREFIX_1=${build_alias}-
+
+else
+ # Set reasonable default values for some tools even if not Canadian.
+ # Of course, these are different reasonable default values, originally
+ # specified directly in the Makefile.
+ # We don't export, so that autoconf can do its job.
+ # Note that all these settings are above the fragment inclusion point
+ # in Makefile.in, so can still be overridden by fragments.
+ # This is all going to change when we autoconfiscate...
+
+ CC_FOR_BUILD="\$(CC)"
+ BUILD_PREFIX=
+ BUILD_PREFIX_1=loser-
+
+ AC_PROG_CC
+
+ # We must set the default linker to the linker used by gcc for the correct
+ # operation of libtool. If LD is not defined and we are using gcc, try to
+ # set the LD default to the ld used by gcc.
+ if test -z "$LD"; then
+ if test "$GCC" = yes; then
+ case $build in
+ *-*-mingw*)
+ gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
+ *)
+ gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
+ esac
+ case $gcc_prog_ld in
+ # Accept absolute paths.
+ [[\\/]* | [A-Za-z]:[\\/]*)]
+ LD="$gcc_prog_ld" ;;
+ esac
+ fi
+ fi
+
+ CXX=${CXX-"c++"}
+ CFLAGS=${CFLAGS-"-g"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+fi
+
+ACX_PROG_GNAT
+ACX_PROG_CMP_IGNORE_INITIAL
+
+# Check for GMP and MPFR
+gmplibs=
+gmpinc=
+have_gmp=yes
+# Specify a location for mpfr
+# check for this first so it ends up on the link line before gmp.
+AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
+
+if test "x$with_mpfr_dir" != x; then
+ gmpinc="-I$with_mpfr_dir"
+ gmplibs="$with_mpfr_dir/libmpfr.a"
+else
+ gmplibs="-lmpfr"
+fi
+
+AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
+
+if test "x$with_mpfr" != x; then
+ gmplibs="-L$with_mpfr/lib $gmplibs"
+ gmpinc="-I$with_mpfr/include"
+fi
+
+# Specify a location for gmp
+AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
+
+if test "x$with_gmp_dir" != x; then
+ gmpinc="$gmpinc -I$with_gmp_dir"
+ if test -f "$with_gmp_dir/.libs/libgmp.a"; then
+ gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
+ elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
+ gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
+ fi
+ # One of the later tests will catch the error if neither library is present.
+else
+ gmplibs="$gmplibs -lgmp"
+fi
+
+AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
+
+if test "x$with_gmp" != x; then
+ gmplibs="-L$with_gmp/lib $gmplibs"
+ gmpinc="-I$with_gmp/include $gmpinc"
+fi
+
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $gmpinc"
+# Check GMP actually works
+AC_MSG_CHECKING([for correct version of gmp.h])
+AC_TRY_COMPILE([#include "gmp.h"],[
+#if __GNU_MP_VERSION < 3
+choke me
+#endif
+], [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no]); have_gmp=no])
+
+if test x"$have_gmp" = xyes; then
+ AC_MSG_CHECKING([for MPFR])
+
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $gmplibs"
+ AC_TRY_LINK([#include <gmp.h>
+#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
+ [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
+ LIBS="$saved_LIBS"
+ CFLAGS="$saved_CFLAGS"
+fi
+
+# Flags needed for both GMP and/or MPFR
+AC_SUBST(gmplibs)
+AC_SUBST(gmpinc)
+
+# By default, C is the only stage 1 language.
+stage1_languages=c
+AC_SUBST(stage1_languages)
+
+# Figure out what language subdirectories are present.
+# Look if the user specified --enable-languages="..."; if not, use
+# the environment variable $LANGUAGES if defined. $LANGUAGES might
+# go away some day.
+# NB: embedded tabs in this IF block -- do not untabify
+if test -d ${srcdir}/gcc; then
+ if test x"${enable_languages+set}" != xset; then
+ if test x"${LANGUAGES+set}" = xset; then
+ enable_languages="${LANGUAGES}"
+ echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
+ else
+ enable_languages=all
+ fi
+ else
+ if test x"${enable_languages}" = x ||
+ test x"${enable_languages}" = xyes;
+ then
+ echo configure.in: --enable-languages needs at least one language argument 1>&2
+ exit 1
+ fi
+ fi
+ enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
+
+ # First scan to see if an enabled language requires some other language.
+ # We assume that a given config-lang.in will list all the language
+ # front ends it requires, even if some are required indirectly.
+ for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
+ case ${lang_frag} in
+ ..) ;;
+ # The odd quoting in the next line works around
+ # an apparent bug in bash 1.12 on linux.
+ ${srcdir}/gcc/[[*]]/config-lang.in) ;;
+ *)
+ # From the config-lang.in, get $language, $lang_requires
+ language=
+ lang_requires=
+ . ${lang_frag}
+ for other in ${lang_requires} ; do
+ case ,${enable_languages}, in
+ *,$other,*) ;;
+ *,all,*) ;;
+ *,$language,*)
+ echo " \`$other' language required by \`$language'; enabling" 1>&2
+ enable_languages="${enable_languages},${other}"
+ ;;
+ esac
+ done
+ ;;
+ esac
+ done
+
+ new_enable_languages=c
+ missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+ potential_languages=c
+
+ for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
+ case ${lang_frag} in
+ ..) ;;
+ # The odd quoting in the next line works around
+ # an apparent bug in bash 1.12 on linux.
+ ${srcdir}/gcc/[[*]]/config-lang.in) ;;
+ *)
+ # From the config-lang.in, get $language, $target_libs,
+ # $lang_dirs, $boot_language, and $build_by_default
+ language=
+ target_libs=
+ lang_dirs=
+ boot_language=
+ build_by_default=
+ need_gmp=
+ . ${lang_frag}
+ potential_languages="${potential_languages},${language}"
+ # This is quite sensitive to the ordering of the case statement arms.
+ case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
+ *::*:*)
+ echo "${lang_frag} doesn't set \$language." 1>&2
+ exit 1
+ ;;
+ *:ada:no:*)
+ # Ada was requested with no preexisting GNAT. Disable unconditionally.
+ add_this_lang=no
+ ;;
+ *,${language},*:*:*:*)
+ # Language was explicitly selected; include it.
+ add_this_lang=yes
+ ;;
+ *,all,*:*:*:no)
+ # 'all' was selected, but this is not a default language
+ # so do not include it.
+ add_this_lang=no
+ ;;
+ *,all,*:*:*:*)
+ # 'all' was selected and this is a default language; include it.
+ add_this_lang=yes
+ ;;
+ *)
+ add_this_lang=no
+ ;;
+ esac
+
+ # Disable languages that need GMP if it isn't available.
+ case ,${enable_languages},:${have_gmp}:${need_gmp} in
+ *,${language},*:no:yes)
+ # Specifically requested language; tell them.
+ AC_MSG_ERROR([GMP with MPFR support is required to build $language])
+ ;;
+ *:no:yes)
+ # Silently disable.
+ add_this_lang=no
+ ;;
+ esac
+
+ # Disable a language that is unsupported by the target.
+ case " $unsupported_languages " in
+ *" $language "*)
+ add_this_lang=no
+ ;;
+ esac
+
+ case $add_this_lang in
+ no)
+ # Remove language-dependent dirs.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ ;;
+ *)
+ new_enable_languages="$new_enable_languages,$language"
+ missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
+ case ${boot_language} in
+ yes)
+ # Add to (comma-separated) list of stage 1 languages.
+ stage1_languages="${stage1_languages},${language}"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ done
+
+ missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
+ if test "x$missing_languages" != x; then
+ AC_MSG_ERROR([
+The following requested languages could not be built: ${missing_languages}
+Recognised languages are: ${potential_languages}])
+ fi
+
+ if test "x$new_enable_languages" != "x$enable_languages"; then
+ echo The following languages will be built: ${new_enable_languages}
+ fi
+ enable_languages="$new_enable_languages"
+ ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
+fi
+
+# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
+# $build_configdirs and $target_configdirs.
+# If we have the source for $noconfigdirs entries, add them to $notsupp.
+
+notsupp=""
+for dir in . $skipdirs $noconfigdirs ; do
+ dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
+ if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+ if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+ if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+done
+
+# Sometimes the tools are distributed with libiberty but with no other
+# libraries. In that case, we don't want to build target-libiberty.
+if test -n "${target_configdirs}" ; then
+ others=
for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
- rm -f ${target_subdir}/$i/Makefile
+ if test "$i" != "libiberty" ; then
+ if test -r $srcdir/$i/configure ; then
+ others=yes;
+ break;
+ fi
+ fi
done
+ if test -z "${others}" ; then
+ target_configdirs=
+ fi
fi
# Quietly strip out all directories which aren't configurable in this tree.
# This relies on all configurable subdirectories being autoconfiscated, which
# is now the case.
+build_configdirs_all="$build_configdirs"
+build_configdirs=
+for i in ${build_configdirs_all} ; do
+ j=`echo $i | sed -e s/build-//g`
+ if test -f ${srcdir}/$j/configure ; then
+ build_configdirs="${build_configdirs} $i"
+ fi
+done
+
configdirs_all="$configdirs"
configdirs=
for i in ${configdirs_all} ; do
configdirs="${configdirs} $i"
fi
done
+
target_configdirs_all="$target_configdirs"
target_configdirs=
for i in ${target_configdirs_all} ; do
appdirs=""
break
fi
- if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
copy_dirs=
+AC_ARG_WITH([build-sysroot],
+ [ --with-build-sysroot=sysroot
+ use sysroot as the system root during the build],
+ [if test x"$withval" != x ; then
+ SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
+ fi],
+ [SYSROOT_CFLAGS_FOR_TARGET=])
+AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
+
# Handle --with-headers=XXX. If the value is not "yes", the contents of
# the named directory are copied to $(tooldir)/sys-include.
-if test x"${with_headers}" != x ; then
+if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-headers is only supported when cross compiling
exit 1
# Handle --with-libs=XXX. If the value is not "yes", the contents of
# the name directories are copied to $(tooldir)/lib. Multiple directories
# are permitted.
-if test x"${with_libs}" != x ; then
+if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-libs is only supported when cross compiling
exit 1
fi
fi
-# Handle ${copy_dirs}
-set fnord ${copy_dirs}
-shift
-while test $# != 0 ; do
- if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
- :
- else
- echo Copying $1 to $2
-
- # Use the install script to create the directory and all required
- # parent directories.
- if test -d $2 ; then
- :
- else
- echo >config.temp
- ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
- fi
-
- # Copy the directory, assuming we have tar.
- # FIXME: Should we use B in the second tar? Not all systems support it.
- (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
-
- # It is the responsibility of the user to correctly adjust all
- # symlinks. If somebody can figure out how to handle them correctly
- # here, feel free to add the code.
-
- echo $1 > $2/COPIED
- fi
- shift; shift
-done
-
-# Work in distributions that contain no compiler tools, like Autoconf.
-tentative_cc=""
-host_makefile_frag=/dev/null
-if test -d ${srcdir}/config ; then
-case "${host}" in
- m68k-hp-hpux*)
- # Avoid "too much defining" errors from HPUX compiler.
- tentative_cc="cc -Wp,-H256000"
- # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
- # If it's HP/UX ar, this should be harmless.
- RANLIB="ar ts"
- ;;
- m68k-apollo-sysv*)
- tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
- ;;
- m68k-apollo-bsd*)
- #None of the Apollo compilers can compile gas or binutils. The preprocessor
- # chokes on bfd, the compiler won't let you assign integers to enums, and
- # other problems. Defining CC to gcc is a questionable way to say "don't use
- # the apollo compiler" (the preferred version of GCC could be called cc,
- # or whatever), but I'm not sure leaving CC as cc is any better...
- #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
- # Used to have BISON=yacc.
- tentative_cc=gcc
- ;;
- m88k-dg-dgux*)
- tentative_cc="gcc -Wall -ansi -D__using_DGUX"
- host_makefile_frag="config/mh-dgux"
- ;;
- m88k-harris-cxux*)
- # Under CX/UX, we want to tell the compiler to use ANSI mode.
- tentative_cc="cc -Xa"
- host_makefile_frag="config/mh-cxux"
- ;;
- m88k-motorola-sysv*)
- ;;
- mips*-dec-ultrix*)
- tentative_cc="cc -Wf,-XNg1000"
- host_makefile_frag="config/mh-decstation"
- ;;
- mips*-nec-sysv4*)
- # The C compiler on NEC MIPS SVR4 needs bigger tables.
- tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
- host_makefile_frag="config/mh-necv4"
- ;;
- mips*-sgi-irix4*)
- # Tell compiler to use K&R C. We can't compile under the SGI Ansi
- # environment. Also bump switch table size so that cp-parse will
- # compile. Bump string length limit so linker builds.
- tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
- ;;
- mips*-*-sysv4*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- mips*-*-sysv*)
- # This is for a MIPS running RISC/os 4.52C.
-
- # This is needed for GDB, but needs to be in the top-level make because
- # if a library is compiled with the bsd headers and gets linked with the
- # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
- # a different size).
- # ptrace(2) apparently has problems in the BSD environment. No workaround is
- # known except to select the sysv environment. Could we use /proc instead?
- # These "sysv environments" and "bsd environments" often end up being a pain.
- #
- # This is not part of CFLAGS because perhaps not all C compilers have this
- # option.
- tentative_cc="cc -systype sysv"
- ;;
- i370-ibm-opened*)
- tentative_cc="c89"
- ;;
- i[[3456]]86-*-sysv5*)
- host_makefile_frag="config/mh-sysv5"
- ;;
- i[[3456]]86-*-dgux*)
- tentative_cc="gcc -Wall -ansi -D__using_DGUX"
- host_makefile_frag="config/mh-dgux386"
- ;;
- i[[3456]]86-ncr-sysv4.3*)
- # The MetaWare compiler will generate a copyright message unless you
- # turn it off by adding the -Hnocopyr flag.
- tentative_cc="cc -Hnocopyr"
- ;;
- i[[3456]]86-ncr-sysv4*)
- # for an NCR 3000 (i486/SVR4) system.
- # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
- # This compiler not only emits obnoxious copyright messages every time
- # you run it, but it chokes and dies on a whole bunch of GNU source
- # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
- tentative_cc="/usr/ccs/ATT/cc"
- host_makefile_frag="config/mh-ncr3000"
- ;;
- i[[3456]]86-*-sco3.2v5*)
- ;;
- i[[3456]]86-*-sco*)
- # The native C compiler botches some simple uses of const. Unfortunately,
- # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
- tentative_cc="cc -Dconst="
- host_makefile_frag="config/mh-sco"
- ;;
- i[[3456]]86-*-udk*)
- host_makefile_frag="config/mh-sysv5"
- ;;
- i[[3456]]86-*-solaris2*)
- host_makefile_frag="config/mh-sysv4"
- ;;
- i[[3456]]86-*-msdosdjgpp*)
- host_makefile_frag="config/mh-djgpp"
- ;;
- *-cygwin*)
- host_makefile_frag="config/mh-cygwin"
- ;;
- *-mingw32*)
- host_makefile_frag="config/mh-mingw32"
- ;;
- *-interix*)
- host_makefile_frag="config/mh-interix"
- ;;
- vax-*-ultrix2*)
- # The old BSD pcc isn't up to compiling parts of gdb so use gcc
- tentative_cc=gcc
- ;;
- *-*-solaris2*)
- host_makefile_frag="config/mh-solaris"
- ;;
- m68k-sun-sunos*)
- # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
- # without overflowing the jump tables (-J says to use a 32 bit table)
- tentative_cc="cc -J"
- ;;
- *-hp-hpux*)
- tentative_cc="cc -Wp,-H256000"
- ;;
- *-*-hiux*)
- tentative_cc="cc -Wp,-H256000"
- ;;
- rs6000-*-lynxos*)
- # /bin/cc is less than useful for our purposes. Always use GCC
- tentative_cc="/usr/cygnus/progressive/bin/gcc"
- host_makefile_frag="config/mh-lynxrs6k"
- ;;
- *-*-lynxos*)
- # /bin/cc is less than useful for our purposes. Always use GCC
- tentative_cc="/bin/gcc"
- ;;
- *-*-sysv4*)
- host_makefile_frag="config/mh-sysv4"
- ;;
-esac
-fi
+# Handle ${copy_dirs}
+set fnord ${copy_dirs}
+shift
+while test $# != 0 ; do
+ if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
+ :
+ else
+ echo Copying $1 to $2
+
+ # Use the install script to create the directory and all required
+ # parent directories.
+ if test -d $2 ; then
+ :
+ else
+ echo >config.temp
+ ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
+ fi
+
+ # Copy the directory, assuming we have tar.
+ # FIXME: Should we use B in the second tar? Not all systems support it.
+ (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
+
+ # It is the responsibility of the user to correctly adjust all
+ # symlinks. If somebody can figure out how to handle them correctly
+ # here, feel free to add the code.
+
+ echo $1 > $2/COPIED
+ fi
+ shift; shift
+done
extra_arflags_for_target=
extra_nmflags_for_target=
extra_ranlibflags_for_target=
target_makefile_frag=/dev/null
case "${target}" in
- i[[3456]]86-*-netware*)
- target_makefile_frag="config/mt-netware"
- ;;
- powerpc-*-netware*)
+ *-*-netware*)
target_makefile_frag="config/mt-netware"
;;
- *-*-linux*)
- target_makefile_frag="config/mt-linux"
+ *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
+ target_makefile_frag="config/mt-gnu"
;;
*-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
# nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
extra_host_args="$extra_host_args --with-newlib"
fi
-# We default to --with-shared on platforms where -fpic is meaningless.
-# Well, we don't yet, but we will.
-if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
- case "${target}" in
- alpha*-dec-osf*) enable_shared=yes ;;
- alpha*-*-linux*) enable_shared=yes ;;
- mips-sgi-irix5*) enable_shared=yes ;;
- *) enable_shared=no ;;
- esac
-fi
-
-case "${enable_shared}" in
- yes) shared=yes ;;
- no) shared=no ;;
- "") shared=no ;;
- *) shared=yes ;;
-esac
-
-
# Default to using --with-stabs for certain targets.
if test x${with_stabs} = x ; then
case "${target}" in
- mips*-*-irix6*o32)
- with_stabs=yes;
- extra_host_args="${extra_host_args} --with-stabs"
- ;;
- mips*-*-irix6*)
+ mips*-*-irix[[56]]*)
;;
mips*-*-* | alpha*-*-osf*)
with_stabs=yes;
;;
esac
-# If we aren't going to be using gcc, see if we can extract a definition
-# of CC from the fragment.
-# Actually, use the 'pre-extracted' version above.
-if test -z "${CC}" && test "${build}" = "${host}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- found=
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/gcc; then
- found=yes
- break
- fi
- done
- IFS="$save_ifs"
- if test -z "${found}" && test -n "${tentative_cc}" ; then
- CC=$tentative_cc
- fi
-fi
-
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
-tooldir='$(exec_prefix)'/${target_alias}
+tooldir='${exec_prefix}'/${target_alias}
build_tooldir=${tooldir}
-# Generate a default definition for YACC. This is used if the makefile can't
-# locate bison or byacc in objdir.
-
-for prog in 'bison -y' byacc yacc
-do
- set dummy $prog; tmp=$2
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/$tmp; then
- DEFAULT_YACC="$prog"
- break
- fi
- done
- IFS="$save_ifs"
-
- test -n "$DEFAULT_YACC" && break
-done
-
-# Generate a default definition for M4. This is used if the makefile can't
-# locate m4 in objdir.
-
-for prog in gm4 gnum4 m4
-do
- set dummy $prog; tmp=$2
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/$tmp; then
- DEFAULT_M4="$prog"
- break
- fi
- done
- IFS="$save_ifs"
-
- test -n "$DEFAULT_M4" && break
-done
-
-# Generate a default definition for LEX. This is used if the makefile can't
-# locate flex in objdir.
-
-for prog in flex lex
-do
- set dummy $prog; tmp=$2
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/$tmp; then
- DEFAULT_LEX="$prog"
- break
- fi
- done
- IFS="$save_ifs"
-
- test -n "$DEFAULT_LEX" && break
-done
-
-if test "${build}" != "${host}" ; then
- # If we are doing a Canadian Cross, in which the host and build systems
- # are not the same, we set reasonable default values for the tools.
-
- BISON=${BISON-bison}
- CC=${CC-${host_alias}-gcc}
- CFLAGS=${CFLAGS-"-g -O2"}
- CXX=${CXX-${host_alias}-c++}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
- CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
- CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
- GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
- GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
- BUILD_PREFIX=${build_alias}-
- BUILD_PREFIX_1=${build_alias}-
- MAKEINFO=${MAKEINFO-makeinfo}
-
- if test -z "${YACC}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/bison; then
- YACC="bison -y"
- break
- fi
- if test -f $dir/byacc; then
- YACC=byacc
- break
- fi
- if test -f $dir/yacc; then
- YACC=yacc
- break
- fi
- done
- IFS="$save_ifs"
- if test -z "${YACC}" ; then
- YACC="bison -y"
- fi
- fi
-
- if test -z "${LEX}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/flex; then
- LEX=flex
- break
- fi
- if test -f $dir/lex; then
- LEX=lex
- break
- fi
- done
- IFS="$save_ifs"
- LEX=${LEX-flex}
- fi
-
-else
- # Set reasonable default values for some tools even if not Canadian.
- # Of course, these are different reasonable default values, originally
- # specified directly in the Makefile.
- # We don't export, so that autoconf can do its job.
- # Note that all these settings are above the fragment inclusion point
- # in Makefile.in, so can still be overridden by fragments.
- # This is all going to change when we autoconfiscate...
-
- BISON="\$(USUAL_BISON)"
- CC_FOR_BUILD="\$(CC)"
- GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
- BUILD_PREFIX=
- BUILD_PREFIX_1=loser-
- MAKEINFO="\$(USUAL_MAKEINFO)"
- LEX="\$(USUAL_LEX)"
- YACC="\$(USUAL_YACC)"
-
- # If CC is still not set, try to get gcc.
- if test -z "${CC}" ; then
- IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/gcc; then
- CC="gcc"
- echo 'void f(){}' > conftest.c
- if test -z "`${CC} -g -c conftest.c 2>&1`"; then
- CFLAGS=${CFLAGS-"-g -O2"}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- else
- CFLAGS=${CFLAGS-"-O2"}
- CXXFLAGS=${CXXFLAGS-"-O2"}
- fi
- rm -f conftest*
- break
- fi
- done
- IFS="$save_ifs"
- CC=${CC-cc}
- else
- if test -z "${CFLAGS}"; then
- # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
- # is set to a version of gcc.
- case "${CC}" in
- *gcc)
- echo 'void f(){}' > conftest.c
- if test -z "`${CC} -g -c conftest.c 2>&1`"; then
- CFLAGS=${CFLAGS-"-g -O2"}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
- else
- CFLAGS=${CFLAGS-"-O2"}
- CXXFLAGS=${CXXFLAGS-"-O2"}
- fi
- rm -f conftest*
- ;;
- esac
- fi
- fi
-
- CXX=${CXX-"c++"}
- CFLAGS=${CFLAGS-"-g"}
- CXXFLAGS=${CXXFLAGS-"-g -O2"}
-fi
-
-# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
-# Set up the list of links to be made.
-# ${links} is the list of link names, and ${files} is the list of names to link to.
-
-# Make the links.
-configlinks="${links}"
-if test -r ./config.status ; then
- mv -f ./config.status ./config.back
-fi
-while test -n "${files}" ; do
- # set file to car of files, files to cdr of files
- set ${files}; file=$1; shift; files=$*
- set ${links}; link=$1; shift; links=$*
-
- if test ! -r ${srcdir}/${file} ; then
- if test ! -r ${file} ; then
- echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
- echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
- exit 1
- else
- srcfile=${file}
- fi
- else
- srcfile=${srcdir}/${file}
- fi
-
- ${remove} -f ${link}
- # Make a symlink if possible, otherwise try a hard link
- if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
- true
- else
- # We need to re-remove the file because Lynx leaves a
- # very strange directory there when it fails an NFS symlink.
- ${remove} -r -f ${link}
- ${hard_link} ${srcfile} ${link}
- fi
- if test ! -r ${link} ; then
- echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
- exit 1
- fi
-
- echo "Linked \"${link}\" to \"${srcfile}\"."
-done
+# Generate default definitions for YACC, M4, LEX and other programs that run
+# on the build machine. These are used if the Makefile can't locate these
+# programs in objdir.
+MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
+AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
+AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
+AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
+AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
+AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
+AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
# Create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.
esac
fi
-# record if we want runtime library stuff installed in libsubdir.
-# Blank means no.
-if test -z "${enable_version_specific_runtime_libs}"; then
- enable_version_specific_runtime_libs=no
-fi
-
# Make sure that the compiler is able to generate an executable. If it
# can't, we are probably in trouble. We don't care whether we can run the
# executable--we might be using a cross compiler--we only care whether it
;;
esac
-# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
-# binutils tools will find libbfd.so.
-if test "${shared}" = "yes" ; then
- SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
-else
- SET_LIB_PATH=
-fi
-
-
case "${host}" in
*-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
+ *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
*) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
esac
# Record target_configdirs and the configure arguments for target and
# build configuration in Makefile.
target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
-
-# This is the final value for target_configdirs. configdirs already
-# has its final value. It's time to create some lists of valid targets.
-
-all_build_modules=
-configure_build_modules=
-# Only make build modules if build != host.
-# This should be done more generally, but at the moment it doesn't matter.
-if test ${host_alias} != ${build_alias} ; then
- all_build_modules=all-build-libiberty
- configure_build_modules=configure-build-libiberty
-fi
-
-all_host_modules=
-check_host_modules=
-install_host_modules=
-configure_host_modules=
-for module in ${configdirs} ; do
- all_host_modules="${all_host_modules} all-${module}"
- check_host_modules="${check_host_modules} check-${module}"
- install_host_modules="${install_host_modules} install-${module}"
- configure_host_modules="${configure_host_modules} configure-${module}"
-done
-install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
-
-all_target_modules=
-check_target_modules=
-install_target_modules=
-configure_target_modules=
-for module in ${target_configdirs} ; do
- all_target_modules="${all_target_modules} all-target-${module}"
- check_target_modules="${check_target_modules} check-target-${module}"
- install_target_modules="${install_target_modules} install-target-${module}"
- configure_target_modules="${configure_target_modules} configure-target-${module}"
-done
+build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
# Determine whether gdb needs tk/tcl or not.
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
# so we should be able to put the 'maybe's in unconditionally and
# leave out the maybe dependencies when enable_gdbtk is false. I'm not
# 100% sure that that's safe though.
+
+gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
case "$enable_gdbtk" in
no)
GDB_TK="" ;;
+ yes)
+ GDB_TK="${gdb_tk}" ;;
+ *)
+ # Only add the dependency on gdbtk when GDBtk is part of the gdb
+ # distro. Eventually someone will fix this and move Insight, nee
+ # gdbtk to a separate directory.
+ if test -d ${srcdir}/gdb/gdbtk ; then
+ GDB_TK="${gdb_tk}"
+ else
+ GDB_TK=""
+ fi
+ ;;
+esac
+
+# Strip out unwanted targets.
+
+# While at that, we remove Makefiles if we were started for recursive
+# configuration, so that the top-level Makefile reconfigures them,
+# like we used to do when configure itself was recursive.
+
+# Loop over modules. $extrasub must be used with care, limiting as
+# much as possible the usage of range addresses. That's because autoconf
+# splits the sed script to overcome limits in the number of commands,
+# and relying on carefully-timed sed passes may turn out to be very hard
+# to maintain later. In this particular case, you just have to be careful
+# not to nest @if/@endif pairs, because configure will not warn you at all.
+
+AC_ARG_ENABLE([bootstrap],
+[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
+enable_bootstrap=default)
+
+# Issue errors and warnings for invalid/strange bootstrap combinations.
+case "$configdirs" in
+ *gcc*) have_compiler=yes ;;
+ *) have_compiler=no ;;
+esac
+
+case "$have_compiler:$host:$target:$enable_bootstrap" in
+ *:*:*:no) ;;
+
+ # Default behavior. (We'll) enable bootstrap if we have a compiler
+ # and we are in a native configuration.
+ yes:$build:$build:default)
+ # This will become 'yes'
+ enable_bootstrap=no ;;
+
+ *:*:*:default)
+ enable_bootstrap=no ;;
+
+ # We have a compiler and we are in a native configuration, bootstrap is ok
+ yes:$build:$build:yes | yes:$build:$build:lean)
+ ;;
+
+ # Other configurations, but we have a compiler. Assume the user knows
+ # what he's doing.
+ yes:*:*:yes | yes:*:*:lean)
+ AC_MSG_WARN([trying to bootstrap a cross compiler])
+ ;;
+
+ # No compiler: if they passed --enable-bootstrap explicitly, fail
+ no:*:*:yes | no:*:*:lean)
+ AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
+
+ # Fail if wrong command line
*)
- GDB_TK="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui" ;;
+ AC_MSG_ERROR([invalid option for --enable-bootstrap])
+ ;;
esac
-# Create the 'maybe dependencies'. This uses a temporary file.
-rm -f maybedep.tmp
-echo '# maybedep.tmp' > maybedep.tmp
-for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
- ${install_host_modules} ${install_target_modules} \
- ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
- ; do
- echo "maybe-${item}: ${item}" >> maybedep.tmp
+# Adjust the toplevel makefile according to whether bootstrap was selected.
+case "$enable_bootstrap" in
+ yes)
+ bootstrap_lean='#'
+ default_target=bootstrap
+ bootstrap_suffix=bootstrap ;;
+ lean)
+ bootstrap_lean=''
+ default_target=bootstrap
+ bootstrap_suffix=bootstrap ;;
+ no)
+ default_target=all
+ bootstrap_suffix=no-bootstrap ;;
+esac
+AC_SUBST(bootstrap_lean)
+AC_SUBST(default_target)
+
+for module in ${build_configdirs} ; do
+ if test -z "${no_recursion}" \
+ && test -f ${build_subdir}/${module}/Makefile; then
+ echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
+ rm -f ${build_subdir}/${module}/Makefile
+ fi
+ extrasub="$extrasub
+/^@if build-$module\$/d
+/^@endif build-$module\$/d
+/^@if build-$module-$bootstrap_suffix\$/d
+/^@endif build-$module-$bootstrap_suffix\$/d"
+done
+for module in ${configdirs} ; do
+ if test -z "${no_recursion}" \
+ && test -f ${module}/Makefile; then
+ echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
+ rm -f ${module}/Makefile
+ fi
+ extrasub="$extrasub
+/^@if $module\$/d
+/^@endif $module\$/d
+/^@if $module-$bootstrap_suffix\$/d
+/^@endif $module-$bootstrap_suffix\$/d"
+done
+for module in ${target_configdirs} ; do
+ if test -z "${no_recursion}" \
+ && test -f ${target_subdir}/${module}/Makefile; then
+ echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
+ rm -f ${target_subdir}/${module}/Makefile
+ fi
+ extrasub="$extrasub
+/^@if target-$module\$/d
+/^@endif target-$module\$/d
+/^@if target-$module-$bootstrap_suffix\$/d
+/^@endif target-$module-$bootstrap_suffix\$/d"
done
-maybe_dependencies=maybedep.tmp
-AC_SUBST_FILE(maybe_dependencies)
+
+extrasub="$extrasub
+/^@if /,/^@endif /d"
# Create the serialization dependencies. This uses a temporary file.
AC_ARG_ENABLE([serial-configure],
-[ --disable-serial-[{host,target,build}-]configure
- Don't force sequential configuration of
+[ --enable-serial-[{host,target,build}-]configure
+ Force sequential configuration of
sub-packages for the host, target or build
- machine, or of any sub-packages at all])
+ machine, or all sub-packages])
+
+case ${enable_serial_configure} in
+ yes)
+ enable_serial_build_configure=yes
+ enable_serial_host_configure=yes
+ enable_serial_target_configure=yes
+ ;;
+esac
# These force 'configure's to be done one at a time, to avoid problems
# with contention over a shared config.cache.
rm -f serdep.tmp
echo '# serdep.tmp' > serdep.tmp
olditem=
-test "x${enable_serial_configure}" = xno ||
-test "x${enable_serial_build_configure}" = xno ||
+test "x${enable_serial_build_configure}" = xyes &&
for item in ${build_configdirs} ; do
case ${olditem} in
"") ;;
olditem=${item}
done
olditem=
-test "x${enable_serial_configure}" = xno ||
-test "x${enable_serial_host_configure}" = xno ||
+test "x${enable_serial_host_configure}" = xyes &&
for item in ${configdirs} ; do
case ${olditem} in
"") ;;
olditem=${item}
done
olditem=
-test "x${enable_serial_configure}" = xno ||
-test "x${enable_serial_target_configure}" = xno ||
+test "x${enable_serial_target_configure}" = xyes &&
for item in ${target_configdirs} ; do
case ${olditem} in
"") ;;
# Base args. Strip norecursion, cache-file, srcdir, host, build,
# target and nonopt. These are the ones we might not want to pass
-# down to subconfigures.
-baseargs=`echo " ${ac_configure_args} " | \
- sed -e 's/ --no[[^ ]]* / /' \
- -e 's/ --cache[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --sr[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --ho[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --bu[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --ta[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ [[^ -][^ ]*] / /' \
- -e 's/^ *//;s/ *$//'`
+# down to subconfigures. Also strip program-prefix, program-suffix,
+# and program-transform-name, so that we can pass down a consistent
+# program-transform-name. If autoconf has put single quotes around
+# any of these arguments (because they contain shell metacharacters)
+# then this will fail; in practice this only happens for
+# --program-transform-name, so be sure to override --program-transform-name
+# at the end of the argument list.
+# These will be expanded by make, so quote '$'.
+cat <<\EOF_SED > conftestsed
+s/ --no[[^ ]]*/ /g
+s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
+s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
+s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
+s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
+s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
+s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
+s/ -cache-file[[= ]][[^ ]]*//g
+s/ -srcdir[[= ]][[^ ]]*//g
+s/ -host[[= ]][[^ ]]*//g
+s/ -build[[= ]][[^ ]]*//g
+s/ -target[[= ]][[^ ]]*//g
+s/ -program-prefix[[= ]][[^ ]]*//g
+s/ -program-suffix[[= ]][[^ ]]*//g
+s/ -program-transform-name[[= ]][[^ ]]*//g
+s/ [[^' -][^ ]*] / /
+s/^ *//;s/ *$//
+s,\$,$$,g
+EOF_SED
+sed -f conftestsed <<EOF_SED > conftestsed.out
+ ${ac_configure_args}
+EOF_SED
+baseargs=`cat conftestsed.out`
+rm -f conftestsed conftestsed.out
+
+# Add in --program-transform-name, after --program-prefix and
+# --program-suffix have been applied to it. Autoconf has already
+# doubled dollar signs and backslashes in program_transform_name; we want
+# the backslashes un-doubled, and then the entire thing wrapped in single
+# quotes, because this will be expanded first by make and then by the shell.
+# Also, because we want to override the logic in subdir configure scripts to
+# choose program_transform_name, replace any s,x,x, with s,y,y,.
+sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
+${program_transform_name}
+EOF_SED
+gcc_transform_name=`cat conftestsed.out`
+rm -f conftestsed.out
+baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file. Multilibs are neither needed nor
# desired.
-build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
+build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
cache_file_option="--cache-file=../${cache_file}" ;;
esac
-host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
+# Host dirs don't like to share a cache file either, horribly enough.
+# This seems to be due to autoconf 2.5x stupidity.
+host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
target_configargs=${baseargs}
target_configargs="--with-newlib ${target_configargs}"
fi
-# Pass the appropriate --host, --build, and --cache-file arguments.
-target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
-
-# provide a proper gxx_include_dir.
-# Note, if you change the default, make sure to fix both here and in
-# the gcc and libstdc++-v3 subdirectories.
-# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
-gxx_include_dir=
-if test -n "${with_gxx_include_dir}"; then
- case "${with_gxx_include_dir}" in
- yes )
- echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
- exit 1
- ;;
- no )
- ;;
- * )
- gxx_include_dir=${with_gxx_include_dir}
- ;;
- esac
-fi
-if test x${gxx_include_dir} = x; then
- if test x${enable_version_specific_runtime_libs} = xyes; then
- gxx_include_dir='${libsubdir}/include/c++'
- else
- . ${srcdir}/config.if
- gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
- fi
-else
- gxx_include_dir=${gxx_include_dir}
-fi
+# Different target subdirs use different values of certain variables
+# (notably CXX). Worse, multilibs use *lots* of different values.
+# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
+# it doesn't automatically accept command-line overrides of them.
+# This means it's not safe for target subdirs to share a cache file,
+# which is disgusting, but there you have it. Hopefully this can be
+# fixed in future. It's still worthwhile to use a cache file for each
+# directory. I think.
+
+# Pass the appropriate --build, --host, --target and --cache-file arguments.
+# We need to pass --target, as newer autoconf's requires consistency
+# for target_alias and gcc doesn't manage it consistently.
+target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
FLAGS_FOR_TARGET=
case " $target_configdirs " in
*" --with-newlib "*)
case "$target" in
*-cygwin*)
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include -isystem $$s/newlib/libc/sys/cygwin -isystem $$s/newlib/libc/sys/cygwin32' ;;
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
esac
# If we're not building GCC, don't discard standard headers.
# to it. This is right: we don't want to search that directory
# for binaries, but we want the header files in there, so add
# them explicitly.
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
# Someone might think of using the pre-installed headers on
# Canadian crosses, in case the installed compiler is not fully
fi
case "${target}-${is_cross_compiler}" in
- i[[3456]]86-*-linux*-no)
+ i[[3456789]]86-*-linux*-no)
# Here host == target, so we don't need to build gcc,
# so we don't want to discard standard headers.
FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
;;
esac
+# Allow the user to override the flags for
+# our build compiler if desired.
+CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
+
# On Canadian crosses, we'll be searching the right directories for
# the previously-installed cross compiler, so don't bother to add
# flags for directories within the install tree of the compiler
# being built; programs in there won't even run.
if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
# Search for pre-installed headers if nothing else fits.
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
fi
if test "x${use_gnu_ld}" = x &&
echo " ${configdirs} " | grep " ld " > /dev/null ; then
# Arrange for us to find uninstalled linker scripts.
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
fi
-if test "x${CC_FOR_TARGET+set}" = xset; then
- :
-elif test -d ${srcdir}/gcc; then
- CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
-elif test "$host" = "$target"; then
- CC_FOR_TARGET='$(CC)'
-else
- CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
-fi
-CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
-
-if test "x${GCJ_FOR_TARGET+set}" = xset; then
- :
-elif test -d ${srcdir}/gcc; then
- GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
-elif test "$host" = "$target"; then
- GCJ_FOR_TARGET='gcj'
-else
- GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
-fi
-GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
-
-# Don't use libstdc++-v3's flags to configure/build itself.
-libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
-raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
-
-if test "x${CXX_FOR_TARGET+set}" = xset; then
- :
-elif test -d ${srcdir}/gcc; then
- # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
- # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
- # default whereas gcc does not.
- # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
- # all other cases.
- CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
- RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
-elif test "$host" = "$target"; then
- CXX_FOR_TARGET='$(CXX)'
- RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
-else
- CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
- RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
-fi
-CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
-RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
-
-qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
-qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
-
-# We want to defer the evaluation of `cmd`s and shell variables in
-# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
-# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
-# quotes, but we still have to duplicate `$'s so that shell variables
-# can be expanded by the nested make as shell variables, not as make
-# macros.
-qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
-qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
-
-# Wrap CC_FOR_TARGET and friends, for certain types of builds.
-CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
-GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
-CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
-RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
-CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
-RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
-
# Makefile fragments.
-host_makefile_frag=${srcdir}/${host_makefile_frag}
-target_makefile_frag=${srcdir}/${target_makefile_frag}
-alphaieee_frag=${srcdir}/${alphaieee_frag}
-ospace_frag=${srcdir}/${ospace_frag}
+for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
+do
+ eval fragval=\$$frag
+ if test $fragval != /dev/null; then
+ eval $frag=${srcdir}/$fragval
+ fi
+done
AC_SUBST_FILE(host_makefile_frag)
AC_SUBST_FILE(target_makefile_frag)
AC_SUBST_FILE(alphaieee_frag)
AC_SUBST_FILE(ospace_frag)
# Miscellanea: directories, flags, etc.
-AC_SUBST(SET_LIB_PATH)
AC_SUBST(RPATH_ENVVAR)
AC_SUBST(BUILD_PREFIX)
AC_SUBST(BUILD_PREFIX_1)
-AC_SUBST(configlinks)
-AC_SUBST(enable_shared)
-AC_SUBST(enable_threads)
-AC_SUBST(enable_version_specific_runtime_libs)
-AC_SUBST(gcc_version_trigger)
-AC_SUBST(gcc_version)
AC_SUBST(tooldir)
AC_SUBST(build_tooldir)
AC_SUBST(GDB_TK)
-AC_SUBST(gxx_include_dir)
-AC_SUBST(libstdcxx_incdir)
# Build module lists & subconfigure args.
-AC_SUBST(build_subdir)
AC_SUBST(build_configargs)
-AC_SUBST(configure_build_modules)
-AC_SUBST(all_build_modules)
+AC_SUBST(build_configdirs)
# Host module lists & subconfigure args.
AC_SUBST(host_configargs)
AC_SUBST(configdirs)
-AC_SUBST(configure_host_modules)
-AC_SUBST(all_host_modules)
-AC_SUBST(check_host_modules)
-AC_SUBST(install_host_modules)
-AC_SUBST(install_host_modules_nogcc)
# Target module lists & subconfigure args.
-AC_SUBST(target_subdir)
AC_SUBST(target_configargs)
AC_SUBST(target_configdirs)
-AC_SUBST(configure_target_modules)
-AC_SUBST(all_target_modules)
-AC_SUBST(check_target_modules)
-AC_SUBST(install_target_modules)
# Build tools.
-AC_SUBST(BISON)
AC_SUBST(CC_FOR_BUILD)
-AC_SUBST(LEX)
-AC_SUBST(MAKEINFO)
-AC_SUBST(YACC)
AC_SUBST(config_shell)
# Host tools.
-NCN_STRICT_CHECK_TOOL(AR, ar)
-NCN_STRICT_CHECK_TOOL(AS, as)
-NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
-NCN_STRICT_CHECK_TOOL(LD, ld)
-NCN_STRICT_CHECK_TOOL(NM, nm)
-NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
-NCN_STRICT_CHECK_TOOL(WINDRES, windres)
-NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
-NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
+NCN_STRICT_CHECK_TOOLS(AR, ar)
+NCN_STRICT_CHECK_TOOLS(AS, as)
+NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
+NCN_STRICT_CHECK_TOOLS(LD, ld)
+NCN_STRICT_CHECK_TOOLS(NM, nm)
+NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
+NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
+NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
+NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
AC_SUBST(CC)
AC_SUBST(CXX)
AC_SUBST(CFLAGS)
+AC_SUBST(CFLAGS_FOR_BUILD)
AC_SUBST(CXXFLAGS)
-AC_SUBST(DEFAULT_YACC)
-AC_SUBST(DEFAULT_LEX)
-AC_SUBST(DEFAULT_M4)
-
-# Target tools.
-NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
-NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
-NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
-NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
-NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
-NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
-NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
-
-AC_SUBST(GCC_FOR_TARGET)
+
+# Target tools. Do the tests using the names they may have passed in
+# the environment, then move it to CONFIGURED_*_FOR_TARGET.
+NCN_STRICT_CHECK_TARGET_TOOLS(AR_FOR_TARGET, ar)
+NCN_STRICT_CHECK_TARGET_TOOLS(AS_FOR_TARGET, as)
+NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
+NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
+NCN_STRICT_CHECK_TARGET_TOOLS(DLLTOOL_FOR_TARGET, dlltool)
+NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
+NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
+NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
+NCN_STRICT_CHECK_TARGET_TOOLS(LD_FOR_TARGET, ld)
+NCN_STRICT_CHECK_TARGET_TOOLS(NM_FOR_TARGET, nm)
+NCN_STRICT_CHECK_TARGET_TOOLS(RANLIB_FOR_TARGET, ranlib, :)
+NCN_STRICT_CHECK_TARGET_TOOLS(WINDRES_FOR_TARGET, windres)
+
+CONFIGURED_AR_FOR_TARGET="$AR_FOR_TARGET"
+CONFIGURED_AS_FOR_TARGET="$AS_FOR_TARGET"
+CONFIGURED_CC_FOR_TARGET="$CC_FOR_TARGET"
+CONFIGURED_CXX_FOR_TARGET="$CXX_FOR_TARGET"
+CONFIGURED_DLLTOOL_FOR_TARGET="$DLLTOOL_FOR_TARGET"
+CONFIGURED_GCC_FOR_TARGET="$GCC_FOR_TARGET"
+CONFIGURED_GCJ_FOR_TARGET="$GCJ_FOR_TARGET"
+CONFIGURED_GFORTRAN_FOR_TARGET="$GFORTRAN_FOR_TARGET"
+CONFIGURED_LD_FOR_TARGET="$LD_FOR_TARGET"
+CONFIGURED_NM_FOR_TARGET="$NM_FOR_TARGET"
+CONFIGURED_RANLIB_FOR_TARGET="$RANLIB_FOR_TARGET"
+CONFIGURED_WINDRES_FOR_TARGET="$WINDRES_FOR_TARGET"
+
+AC_SUBST(CONFIGURED_AR_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_AS_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_CC_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_CXX_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_DLLTOOL_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_GCC_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_GCJ_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_GFORTRAN_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_LD_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_NM_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_RANLIB_FOR_TARGET)dnl
+AC_SUBST(CONFIGURED_WINDRES_FOR_TARGET)dnl
AC_SUBST(FLAGS_FOR_TARGET)
-AC_SUBST(CC_FOR_TARGET)
-AC_SUBST(GCJ_FOR_TARGET)
-AC_SUBST(CXX_FOR_TARGET)
-AC_SUBST(RAW_CXX_FOR_TARGET)
-AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
-AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
# Fix up target tools.
if test "x${build}" = "x${host}" ; then
# should also eliminate all of this cleanly.
AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
+ CC_FOR_TARGET="\$(USUAL_CC_FOR_TARGET)"
+ CXX_FOR_TARGET="\$(USUAL_CXX_FOR_TARGET)"
+ RAW_CXX_FOR_TARGET="\$(USUAL_RAW_CXX_FOR_TARGET)"
DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
+ GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
+ GCJ_FOR_TARGET="\$(USUAL_GCJ_FOR_TARGET)"
+ GFORTRAN_FOR_TARGET="\$(USUAL_GFORTRAN_FOR_TARGET)"
LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
+else
+ # Just use the ones we found.
+ AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
+ AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
+ CC_FOR_TARGET="\$(CONFIGURED_CC_FOR_TARGET)"
+ CXX_FOR_TARGET="\$(CONFIGURED_CXX_FOR_TARGET)"
+ RAW_CXX_FOR_TARGET="\$(CONFIGURED_CXX_FOR_TARGET)"
+ DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
+ GCC_FOR_TARGET="\$(CONFIGURED_GCC_FOR_TARGET)"
+ GCJ_FOR_TARGET="\$(CONFIGURED_GCJ_FOR_TARGET)"
+ GFORTRAN_FOR_TARGET="\$(CONFIGURED_GFORTRAN_FOR_TARGET)"
+ LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
+ NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
+ RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
+ WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
fi
+
+AC_SUBST(RAW_CXX_FOR_TARGET)
+
# Certain tools may need extra flags.
AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
+AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
+AC_ARG_ENABLE(maintainer-mode,
+[ --enable-maintainer-mode enable make rules and dependencies not useful
+ (and sometimes confusing) to the casual installer],
+ USE_MAINTAINER_MODE=$enableval,
+ USE_MAINTAINER_MODE=no)
+AC_MSG_RESULT($USE_MAINTAINER_MODE)
+AC_SUBST(MAINTAINER_MODE_TRUE)
+AC_SUBST(MAINTAINER_MODE_FALSE)
+if test "$USE_MAINTAINER_MODE" = yes; then
+ MAINTAINER_MODE_TRUE=
+ MAINTAINER_MODE_FALSE='#'
+else
+ MAINTAINER_MODE_TRUE='#'
+ MAINTAINER_MODE_FALSE=
+fi
+MAINT=$MAINTAINER_MODE_TRUE
+AC_SUBST(MAINT)dnl
+
+# ---------------------
+# GCC bootstrap support
+# ---------------------
+
+# Stage specific cflags for build.
+stage1_cflags="-g"
+case $build in
+ vax-*-*)
+ case ${GCC} in
+ yes) stage1_cflags="-g -Wa,-J" ;;
+ *) stage1_cflags="-g -J" ;;
+ esac ;;
+ powerpc-*-darwin*)
+ # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
+ # sources; use -no-cpp-precomp to get to GNU cpp.
+ # Apple's GCC has bugs in designated initializer handling, so disable
+ # that too.
+ stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
+ ;;
+esac
+AC_SUBST(stage1_cflags)
+
+# It makes debugging easier if we create as symlinks the stage directories
+# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
+# possible, however, we can resort to mv.
+AC_CACHE_CHECK([if symbolic links between directories work],
+[gcc_cv_prog_ln_s_dir],
+[if test "${LN_S}" = "ln -s" \
+ && mkdir confdir.s1 \
+ && ln -s confdir.s1 confdir.s2 \
+ && echo timestamp1 > confdir.s1/conftest.1 \
+ && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
+ && echo timestamp2 > confdir.s2/conftest.2 \
+ && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
+ && rm -f confdir.s2; then
+ gcc_cv_prog_ln_s_dir=yes
+else
+ gcc_cv_prog_ln_s_dir=no
+fi
+rm -rf confdir.s1 confdir.s2])
+
+case ${gcc_cv_prog_ln_s_dir} in
+ yes)
+ CREATE_LINK_TO_DIR='ln -s $$1 $$2'
+ UNDO_LINK_TO_DIR='rm -f $$1' ;;
+ *)
+ CREATE_LINK_TO_DIR='mv $$1 $$2'
+ UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
+esac
+AC_SUBST(CREATE_LINK_TO_DIR)
+AC_SUBST(UNDO_LINK_TO_DIR)
+
+# Enable -Werror in bootstrap stage2 and later.
+# Change the default to "no" on release branches.
+AC_ARG_ENABLE(werror,
+[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
+[enable_werror=yes])
+case ${enable_werror} in
+ yes) stage2_werror_flag="--enable-werror-always" ;;
+ *) stage2_werror_flag="" ;;
+esac
+AC_SUBST(stage2_werror_flag)
+
AC_OUTPUT(Makefile)