# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-# 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+# 1999, 2000, 2001, 2002, 2003 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
### WARNING: this file contains embedded tabs. Do not run untabify on this file.
AC_INIT(move-if-change)
+AC_PREREQ(2.13)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
# Export original configure arguments for use by sub-configures.
TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
-export TOPLEVEL_CONFIGURE_ARGUMENTS
+AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
moveifchange=${srcdir}/move-if-change
target-newlib \
${libstdcxx_version} \
target-libf2c \
- ${libgcj}
+ ${libgcj} \
target-libobjc"
# these tools are built using the target libs, and are intended to run only
# We always want to use the same name for this directory, so that dejagnu
# can reliably find it.
-target_subdir=${target_alias}
+target_subdir=${target}
if test ! -d ${target_subdir} ; then
if mkdir ${target_subdir} ; then true
fi
fi
-build_prefix=build-
-build_subdir=${build_prefix}${build_alias}
+build_subdir=build-${build}
if test x"${build_alias}" != x"${host}" ; then
if test ! -d ${build_subdir} ; then
noconfigdirs="$noconfigdirs ld 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 ${libgcj}"
fi
fi
-# Deconfigure all subdirectories, in case we are changing the
-# configuration from one where a subdirectory is supported to one where it
-# is not.
-if test -z "${norecursion}" && test -n "${configdirs}" ; then
- for i in `echo ${configdirs} | sed -e s/target-//g` ; do
- rm -f $i/Makefile
- done
-fi
-if test -z "${norecursion}" && test -n "${target_configdirs}" ; then
- for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
- rm -f ${target_subdir}/$i/Makefile
- done
-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.
YACC="\$(USUAL_YACC)"
# If CC is still not set, try to get gcc.
+ cc_prog_is_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 $dir/gcc; then
CC="gcc"
+ cc_prog_is_gcc=yes
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
IFS="$save_ifs"
CC=${CC-cc}
else
+ # Determine if we are using gcc.
+ cat > conftest.c <<EOF
+#ifdef __GNUC__
+ yes;
+#endif
+EOF
+ if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
+ cc_prog_is_gcc=yes
+ fi
+ rm -f conftest.c
if test -z "${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 "${CC}" in
- *gcc)
+ if test "$cc_prog_is_gcc" = yes; then
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
- ;;
+ fi
+ fi
+ fi
+
+ # We must set the default linker to the linker used by gcc for the correct
+ # operation of libtool. If LD is not defined and we are using gcc, try to
+ # set the LD default to the ld used by gcc.
+ if test -z "$LD"; then
+ if test "$cc_prog_is_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
# This is the final value for target_configdirs. configdirs already
# has its final value. It's time to create some lists of valid targets.
+# While at that, we remove Makefiles if we were started for recursive
+# configuration, such that the top-level Makefile reconfigures them,
+# like we used to do when configure itself was recursive.
+
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} != ${build_alias} ; then
- all_build_modules=all-build-libiberty
- configure_build_modules=configure-build-libiberty
+ for module in libiberty ; do
+ all_build_modules=all-build-${module}
+ configure_build_modules=configure-build-${module}
+ if test -z "${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
+ done
fi
all_host_modules=
check_host_modules="${check_host_modules} check-${module}"
install_host_modules="${install_host_modules} install-${module}"
configure_host_modules="${configure_host_modules} configure-${module}"
+ if test -z "${no_recursion}" \
+ && test -f ${module}/Makefile; then
+ echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
+ rm -f ${module}/Makefile
+ fi
done
install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
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}"
+ 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
done
# Determine whether gdb needs tk/tcl or not.
# 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-tix maybe-all-libgui"
case "$enable_gdbtk" in
no)
GDB_TK="" ;;
+ yes)
+ GDB_TK="${gdb_tk}" ;;
*)
- GDB_TK="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui" ;;
+ # 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
# Create the 'maybe dependencies'. This uses a temporary file.
# down to subconfigures.
baseargs=`echo " ${ac_configure_args} " | \
sed -e 's/ --no[[^ ]]* / /' \
- -e 's/ --cache[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --sr[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --ho[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --bu[[a-z-]]*=[[^ ]]* / /' \
- -e 's/ --ta[[a-z-]]*=[[^ ]]* / /' \
+ -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
+ -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
+ -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
+ -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
+ -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
+ -e 's/ -cache-file[[= ]][[^ ]]* / /' \
+ -e 's/ -srcdir[[= ]][[^ ]]* / /' \
+ -e 's/ -host[[= ]][[^ ]]* / /' \
+ -e 's/ -build[[= ]][[^ ]]* / /' \
+ -e 's/ -target[[= ]][[^ ]]* / /' \
-e 's/ [[^ -][^ ]*] / /' \
-e 's/^ *//;s/ *$//'`
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