Newer
Older
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=${CXXFLAGS-"-g -O2"}
fi
ACX_PROG_GNAT
ACX_PROG_CMP_IGNORE_INITIAL
gmplibs=
gmpinc=
have_gmp=yes
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
if test "x$with_mpfr_dir" != x; then
gmpinc="-I$with_mpfr_dir/mpfr"
gmplibs="$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
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)
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# 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,/,/ `
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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 $build_by_default
boot_language=
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need_gmp=
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potential_languages="${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
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;;
*:ada:no:*)
# Ada was requested with no preexisting GNAT. Disable unconditionally.
add_this_lang=no
;;
*,${language},*:*:*:*)
# Language was explicitly selected; include it.
add_this_lang=yes
;;
*,all,*:*:*:no)
# 'all' was selected, but this is not a default language
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# so do not include it.
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;;
*,all,*:*:*:*)
# 'all' was selected and this is a default language; include it.
add_this_lang=yes
;;
*)
add_this_lang=no
;;
esac
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# Disable languages that need GMP if it isn't available.
case ,${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
case $add_this_lang in
eval noconfigdirs='"$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},${language}"
;;
esac
;;
missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
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The following requested languages were not found: ${missing_languages}
The available 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"/ `
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fi
# 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 "${others}" ; then
target_configdirs=
fi
fi
# Quietly strip out all directories which aren't configurable in this tree.
# This relies on all configurable subdirectories being autoconfiscated, which
# is now the case.
build_configdirs_all="$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
if test -f ${srcdir}/$i/configure ; then
configdirs="${configdirs} $i"
fi
done
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target_configdirs_all="$target_configdirs"
target_configdirs=
for i in ${target_configdirs_all} ; do
j=`echo $i | sed -e s/target-//g`
if test -f ${srcdir}/$j/configure ; then
target_configdirs="${target_configdirs} $i"
fi
done
# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
# supported by the one or two programs in a package.
if test -n "${notsupp}" && test -z "${norecursion}" ; then
# If $appdirs is non-empty, at least one of those directories must still
# be configured, or we error out. (E.g., if the gas release supports a
# specified target in some subdirs but not the gas subdir, we shouldn't
# pretend that all is well.)
if test -n "$appdirs" ; then
for dir in $appdirs ; do
if test -r $dir/Makefile.in ; then
if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
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appdirs=""
break
fi
fi
done
if test -n "$appdirs" ; then
echo "*** This configuration is not supported by this package." 1>&2
exit 1
fi
fi
# Okay, some application will build, or we don't care to check. Still
# notify of subdirs not getting built.
echo "*** This configuration is not supported in the following subdirectories:" 1>&2
echo " ${notsupp}" 1>&2
echo " (Any other directories should still work fine.)" 1>&2
fi
case "$host" in
*msdosdjgpp*)
enable_gdbtk=no ;;
esac
copy_dirs=
# 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 && 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
fi
if test x"${with_headers}" != xyes ; then
case "${exec_prefixoption}" in
"") x=${prefix} ;;
*) x=${exec_prefix} ;;
esac
copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
fi
fi
# 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 && 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
if test x"${with_libs}" != xyes ; then
# Copy the libraries in reverse order, so that files in the first named
# library override files in subsequent libraries.
case "${exec_prefixoption}" in
"") x=${prefix} ;;
*) x=${exec_prefix} ;;
esac
for l in ${with_libs}; do
copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
done
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
extra_arflags_for_target=
extra_nmflags_for_target=
extra_ranlibflags_for_target=
target_makefile_frag=/dev/null
*-*-netware*)
target_makefile_frag="config/mt-netware"
*-*-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
# commands to handle both 32-bit and 64-bit objects. These flags are
# harmless if we're using GNU nm or ar.
extra_arflags_for_target=" -X32_64"
extra_nmflags_for_target=" -B -X32_64"
*-*-darwin*)
# ranlib from Darwin requires the -c flag to look at common symbols.
extra_ranlibflags_for_target=" -c"
;;
mips*-*-pe | sh*-*-pe | *arm-wince-pe)
target_makefile_frag="config/mt-wince"
;;
esac
case $target in
alpha*-*-*)
# This just makes sure to use the -mieee option to build target libs.
# This should probably be set individually by each library.
alphaieee_frag="config/mt-alphaieee"
# If --enable-target-optspace always use -Os instead of -O2 to build
# the target libraries, similarly if it is not specified, use -Os
# on selected platforms.
case "${enable_target_optspace}:${target}" in
yes:*)
ospace_frag="config/mt-ospace"
ospace_frag="config/mt-d30v"
;;
:m32r-* | :d10v-* | :fr30-*)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
;;
*)
echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
;;
esac
# Set with_gnu_as and with_gnu_ld as appropriate.
#
# This is done by determining whether or not the appropriate directory
# is available, and by checking whether or not specific configurations
# have requested that this magic not happen.
#
# The command line options always override the explicit settings in
# configure.in, and the settings in configure.in override this magic.
#
# If the default for a toolchain is to use GNU as and ld, and you don't
# want to do that, then you should use the --without-gnu-as and
# --without-gnu-ld options for the configure script.
if test x${use_gnu_as} = x &&
echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
with_gnu_as=yes
extra_host_args="$extra_host_args --with-gnu-as"
if test x${use_gnu_ld} = x &&
echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
with_gnu_ld=yes
extra_host_args="$extra_host_args --with-gnu-ld"
# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
extra_host_args="$extra_host_args --with-newlib"
# Default to using --with-stabs for certain targets.
if test x${with_stabs} = x ; then
case "${target}" in
mips*-*-irix[[56]]*)
;;
mips*-*-* | alpha*-*-osf*)
with_stabs=yes;
extra_host_args="${extra_host_args} --with-stabs"
;;
esac
fi
# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
# them automatically.
case "${host}" in
hppa*64*-*-hpux11*)
extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='${exec_prefix}'/${target_alias}
build_tooldir=${tooldir}
# 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.
if test -r ${srcdir}/.gdbinit ; then
case ${srcdir} in
.) ;;
*) cat > ./.gdbinit <<EOF
# ${NO_EDIT}
dir ${srcdir}
dir .
source ${srcdir}/.gdbinit
EOF
;;
esac
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
# can be created. At this point the main configure script has set CC.
echo "int main () { return 0; }" > conftest.c
${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
if test $? = 0 ; then
if test -s conftest || test -s conftest.exe ; then
we_are_ok=yes
fi
fi
case $we_are_ok in
no)
echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
echo 1>&2 "*** You must set the environment variable CC to a working compiler."
rm -f conftest*
exit 1
;;
esac
rm -f conftest*
# The Solaris /usr/ucb/cc compiler does not appear to work.
case "${host}" in
sparc-sun-solaris2*)
CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
if test -d /opt/cygnus/bin ; then
if test "$could_use" = "" ; then
could_use="/opt/cygnus/bin"
else
could_use="$could_use or /opt/cygnus/bin"
fi
fi
if test "$could_use" = "" ; then
echo "Warning: compilation may fail because you're using"
echo "/usr/ucb/cc. You should change your PATH or CC "
echo "variable and rerun configure."
else
echo "Warning: compilation may fail because you're using"
echo "/usr/ucb/cc, when you should use the C compiler from"
echo "$could_use. You should change your"
echo "PATH or CC variable and rerun configure."
fi
fi
;;
esac
# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
# binutils tools will find libbfd.so.
case "${enable_shared}" in
no | "") SET_LIB_PATH= ;;
*) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
esac
case "${host}" in
*-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
*) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
esac
# Record target_configdirs and the configure arguments for target and
# build configuration in Makefile.
target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
# Determine whether gdb needs tk/tcl or not.
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
# and in that case we want gdb to be built without tk. Ugh!
# In fact I believe gdb is the *only* package directly dependent on tk,
# so we should be able to put the 'maybe's in unconditionally and
# leave out the maybe dependencies when enable_gdbtk is false. I'm not
# 100% sure that that's safe though.
Andrew Cagney
committed
gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
case "$enable_gdbtk" in
no)
GDB_TK="" ;;
Andrew Cagney
committed
yes)
GDB_TK="${gdb_tk}" ;;
Andrew Cagney
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# 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
;;
# 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. $extrasub must be used with care, limiting as
# much as possible the usage of range addresses. That's because autoconf
# splits the sed script to overcome limits in the number of commands,
# and relying on carefully-timed sed passes may turn out to be very hard
# to maintain later. In this particular case, you just have to be careful
# not to nest @if/@endif pairs, because configure will not warn you at all.
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AC_ARG_ENABLE([bootstrap],
[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
enable_bootstrap=default)
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# Issue errors and warnings for invalid/strange bootstrap combinations.
case "$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
*)
AC_MSG_ERROR([invalid option for --enable-bootstrap])
;;
esac
# Adjust the toplevel makefile according to whether bootstrap was selected.
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case "$enable_bootstrap" in
yes)
bootstrap_lean='#'
default_target=bootstrap
bootstrap_suffix=bootstrap ;;
lean)
bootstrap_lean=''
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default_target=bootstrap
bootstrap_suffix=bootstrap ;;
no)
default_target=all
bootstrap_suffix=no-bootstrap ;;
esac
AC_SUBST(bootstrap_lean)
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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
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/^@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
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/^@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
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/^@endif target-$module\$/d
/^@if target-$module-$bootstrap_suffix\$/d
/^@endif target-$module-$bootstrap_suffix\$/d"
extrasub="$extrasub
/^@if /,/^@endif /d"
# Create the serialization dependencies. This uses a temporary file.
AC_ARG_ENABLE([serial-configure],
[ --enable-serial-[{host,target,build}-]configure
Force sequential configuration of
sub-packages for the host, target or build
machine, or all sub-packages])
case ${enable_serial_configure} in
yes)
enable_serial_build_configure=yes
enable_serial_host_configure=yes
enable_serial_target_configure=yes
;;
esac
# These force 'configure's to be done one at a time, to avoid problems
# with contention over a shared config.cache.
rm -f serdep.tmp
echo '# serdep.tmp' > serdep.tmp
test "x${enable_serial_build_configure}" = xyes &&
for item in ${build_configdirs} ; do
case ${olditem} in
"") ;;
*) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
esac
olditem=${item}
done
olditem=
test "x${enable_serial_host_configure}" = xyes &&
for item in ${configdirs} ; do
case ${olditem} in
"") ;;
*) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
esac
olditem=${item}
done
olditem=
test "x${enable_serial_target_configure}" = xyes &&
for item in ${target_configdirs} ; do
case ${olditem} in
"") ;;
*) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
esac
olditem=${item}
done
serialization_dependencies=serdep.tmp
AC_SUBST_FILE(serialization_dependencies)
# Base args. Strip norecursion, cache-file, srcdir, host, build,
# target and nonopt. These are the ones we might not want to pass
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# 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 '$'.
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cat <<\EOF_SED > conftestsed
s/ --no[[^ ]]*/ /g
s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
s/ -cache-file[[= ]][[^ ]]*//g
s/ -srcdir[[= ]][[^ ]]*//g
s/ -host[[= ]][[^ ]]*//g
s/ -build[[= ]][[^ ]]*//g
s/ -target[[= ]][[^ ]]*//g
s/ -program-prefix[[= ]][[^ ]]*//g
s/ -program-suffix[[= ]][[^ ]]*//g
s/ -program-transform-name[[= ]][[^ ]]*//g
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s/ [[^' -][^ ]*] / /
s/^ *//;s/ *$//
s,\$,$$,g
EOF_SED
sed -f conftestsed <<EOF_SED > conftestsed.out
${ac_configure_args}
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EOF_SED
baseargs=`cat conftestsed.out`
rm -f conftestsed conftestsed.out
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# 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}"
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# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
"") # empty
cache_file_option="" ;;
/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
cache_file_option="--cache-file=${cache_file}" ;;
*) # relative path
cache_file_option="--cache-file=../${cache_file}" ;;
esac
# 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}
# Passing a --with-cross-host argument lets the target libraries know
# whether they are being built with a cross-compiler or being built
# native. However, it would be better to use other mechanisms to make the
# sorts of decisions they want to make on this basis. Please consider
# this option to be deprecated. FIXME.
if test x${is_cross_compiler} = xyes ; then
target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
if test x${enable_multilib} = x ; then
target_configargs="--enable-multilib ${target_configargs}"
# Pass --with-newlib if appropriate. Note that target_configdirs has
# changed from the earlier setting of with_newlib.
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
target_configargs="--with-newlib ${target_configargs}"
# 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 --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.
case "${with_gxx_include_dir}" in
yes)
AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
;;
no | "")
case "${enable_version_specific_runtime_libs}" in
yes) gxx_include_dir='${libsubdir}/include/c++' ;;
*)
. ${srcdir}/config.if
gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
esac ;;
*) gxx_include_dir=${with_gxx_include_dir} ;;
esac
case " $target_configdirs " in
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*" newlib "*)
case " $target_configargs " in
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*" --with-newlib "*)
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*-cygwin*)
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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 $$s/winsup/w32api/include' ;;
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# If we're not building GCC, don't discard standard headers.
if test -d ${srcdir}/gcc; then
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FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
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if test "${build}" != "${host}"; then
# On Canadian crosses, CC_FOR_TARGET will have already been set
# by `configure', so we won't have an opportunity to add -Bgcc/
# to it. This is right: we don't want to search that directory
# for binaries, but we want the header files in there, so add
# them explicitly.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
# Someone might think of using the pre-installed headers on
# Canadian crosses, in case the installed compiler is not fully
# compatible with the compiler being built. In this case, it
# would be better to flag an error than risking having
# incompatible object files being constructed. We can't
# guarantee that an error will be flagged, but let's hope the
# compiler will do it, when presented with incompatible header
# files.
fi
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fi
case "${target}-${is_cross_compiler}" in
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 " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
;;
*)
# If we're building newlib, use its generic headers last, but search
# for any libc-related directories first (so make it the last -B
# switch).
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
;;
esac
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esac
;;
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# Allow the user to override the flags for
# our build compiler if desired.
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
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# On Canadian crosses, we'll be searching the right directories for