+ 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=
+ subdir_requires=
+ boot_language=no
+ build_by_default=yes
+ . ${lang_frag}
+ if test x${language} = x; then
+ echo "${lang_frag} doesn't set \$language." 1>&2
+ exit 1
+ fi
+
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Language was explicitly selected; include it.
+ add_this_lang=yes
+ ;;
+ *,all,*)
+ # 'all' was selected, select it if it is a default language
+ add_this_lang=${build_by_default}
+ ;;
+ *)
+ add_this_lang=no
+ ;;
+ esac
+
+ # Disable languages that need other directories if these aren't available.
+ for i in $subdir_requires; do
+ test -f "$srcdir/gcc/$i/config-lang.in" && continue
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Specifically requested language; tell them.
+ { { echo "$as_me:$LINENO: error: The gcc/$i directory contains parts of $language but is missing" >&5
+echo "$as_me: error: The gcc/$i directory contains parts of $language but is missing" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ *)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+ done
+
+ # Disable Ada if no preexisting GNAT is available.
+ case ,${enable_languages},:${language}:${have_gnat} in
+ *,${language},*:ada:no)
+ # Specifically requested language; tell them.
+ { { echo "$as_me:$LINENO: error: GNAT is required to build $language" >&5
+echo "$as_me: error: GNAT is required to build $language" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ *:ada:no)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+
+ # Disable a language that is unsupported by the target.
+ case " $unsupported_languages " in
+ *" $language "*)
+ add_this_lang=unsupported
+ ;;
+ esac
+
+ case $add_this_lang in
+ unsupported)
+ # Remove language-dependent dirs.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ ;;
+ no)
+ # Remove language-dependent dirs; still show language as supported.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ potential_languages="${potential_languages}${language},"
+ ;;
+ yes)
+ new_enable_languages="${new_enable_languages}${language},"
+ potential_languages="${potential_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}${language},"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ done
+
+ # Check whether --enable-stage1-languages or --disable-stage1-languages was given.
+if test "${enable_stage1_languages+set}" = set; then
+ enableval="$enable_stage1_languages"
+ case ,${enable_stage1_languages}, in
+ ,no,|,,)
+ # Set it to something that will have no effect in the loop below
+ enable_stage1_languages=c ;;
+ ,yes,)
+ enable_stage1_languages=`echo $new_enable_languages | \
+ sed -e "s/^,//" -e "s/,$//" ` ;;
+ *,all,*)
+ enable_stage1_languages=`echo ,$enable_stage1_languages, | \
+ sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
+ esac
+
+ # Add "good" languages from enable_stage1_languages to stage1_languages,
+ # while "bad" languages go in missing_languages. Leave no duplicates.
+ for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
+ case $potential_languages in
+ *,$i,*)
+ case $stage1_languages in
+ *,$i,*) ;;
+ *) stage1_languages="$stage1_languages$i," ;;
+ esac ;;
+ *)
+ case $missing_languages in
+ *,$i,*) ;;
+ *) missing_languages="$missing_languages$i," ;;
+ esac ;;
+ esac
+ done
+fi;
+
+ # Remove leading/trailing commas that were added for simplicity
+ potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
+ missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
+ stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
+ new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
+
+ if test "x$missing_languages" != x; then
+ { { echo "$as_me:$LINENO: error:
+The following requested languages could not be built: ${missing_languages}
+Supported languages are: ${potential_languages}" >&5
+echo "$as_me: error:
+The following requested languages could not be built: ${missing_languages}
+Supported languages are: ${potential_languages}" >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ if test "x$new_enable_languages" != "x$enable_languages"; then
+ echo The following languages will be built: ${new_enable_languages}
+ enable_languages="$new_enable_languages"
+ fi
+
+
+ ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[^ ]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
+fi
+
+# Handle --disable-<component> generically.
+for dir in $configdirs $build_configdirs $target_configdirs ; do
+ dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
+ varname=`echo $dirname | sed -e s/+/_/g`
+ if eval test x\${enable_${varname}} "=" xno ; then
+ noconfigdirs="$noconfigdirs $dir"
+ fi
+done
+
+# Check for Boehm's garbage collector
+# Check whether --enable-objc-gc or --disable-objc-gc was given.
+if test "${enable_objc_gc+set}" = set; then
+ enableval="$enable_objc_gc"
+ case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
+ *,objc,*:*:yes:*target-boehm-gc*)
+ { { echo "$as_me:$LINENO: error: Boehm's garbage collector was requested yet not supported in this configuration" >&5
+echo "$as_me: error: Boehm's garbage collector was requested yet not supported in this configuration" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+esac
+fi;
+
+# Make sure we only build Boehm's garbage collector if required.
+case ,${enable_languages},:${enable_objc_gc} in
+ *,objc,*:yes)
+ # Keep target-boehm-gc if requested for Objective-C.
+ ;;
+ *)
+ # Otherwise remove target-boehm-gc depending on target-libjava.
+ if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
+ noconfigdirs="$noconfigdirs target-boehm-gc"
+ fi
+ ;;
+esac
+
+# 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 $dir"
+ fi
+ fi
+ fi
+done
+
+# Sometimes the tools are distributed with libiberty but with no other
+# libraries. In that case, we don't want to build target-libiberty.
+# Don't let libgcc imply libiberty either.
+if test -n "${target_configdirs}" ; then
+ libgcc=
+ others=
+ for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
+ if test "$i" = "libgcc"; then
+ libgcc=target-libgcc
+ elif test "$i" != "libiberty" ; then
+ if test -r $srcdir/$i/configure ; then
+ others=yes;
+ break;
+ fi
+ fi
+ done
+ if test -z "${others}" ; then
+ target_configdirs=$libgcc
+ 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} $i"
+ fi
+done
+
+target_configdirs_all="$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
+ 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
+
+# To find our prefix, in gcc_cv_tool_prefix.
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+
+
+if test "x$exec_prefix" = xNONE; then
+ if test "x$prefix" = xNONE; then
+ gcc_cv_tool_prefix=$ac_default_prefix
+ else
+ gcc_cv_tool_prefix=$prefix
+ fi
+else
+ gcc_cv_tool_prefix=$exec_prefix
+fi
+
+# If there is no compiler in the tree, use the PATH only. In any
+# case, if there is no compiler in the tree nobody should use
+# AS_FOR_TARGET and LD_FOR_TARGET.
+if test x$host = x$build && test -f $srcdir/gcc/BASE-VER; then
+ gcc_version=`cat $srcdir/gcc/BASE-VER`
+ gcc_cv_tool_dirs="$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin$PATH_SEPARATOR"
+else
+ gcc_cv_tool_dirs=
+fi
+
+if test x$build = x$target && test -n "$md_exec_prefix"; then
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$md_exec_prefix$PATH_SEPARATOR"
+fi
+
+
+
+copy_dirs=
+
+
+# Check whether --with-build-sysroot or --without-build-sysroot was given.
+if test "${with_build_sysroot+set}" = set; then
+ withval="$with_build_sysroot"
+ if test x"$withval" != x ; then
+ SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
+ fi
+else
+ SYSROOT_CFLAGS_FOR_TARGET=
+fi;
+
+
+
+# Check whether --with-debug-prefix-map or --without-debug-prefix-map was given.
+if test "${with_debug_prefix_map+set}" = set; then
+ withval="$with_debug_prefix_map"
+ if test x"$withval" != x; then
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET=
+ for debug_map in $withval; do
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
+ done
+ fi
+else
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET=
+fi;
+
+
+# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
+# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
+# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
+# We want to ensure that TARGET libraries (which we know are built with
+# gcc) are built with "-O2 -g", so include those options when setting
+# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
+if test "x$CFLAGS_FOR_TARGET" = x; then
+ CFLAGS_FOR_TARGET=$CFLAGS
+ case " $CFLAGS " in
+ *" -O2 "*) ;;
+ *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
+ esac
+ case " $CFLAGS " in
+ *" -g "* | *" -g3 "*) ;;
+ *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
+ esac
+fi
+
+
+if test "x$CXXFLAGS_FOR_TARGET" = x; then
+ CXXFLAGS_FOR_TARGET=$CXXFLAGS
+ case " $CXXFLAGS " in
+ *" -O2 "*) ;;
+ *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
+ esac
+ case " $CXXFLAGS " in
+ *" -g "* | *" -g3 "*) ;;
+ *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
+ esac
+fi
+
+
+# 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"${with_headers}" != xyes ; then
+ x=${gcc_cv_tool_prefix}
+ copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/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"${with_libs}" != xyes ; then
+ # Copy the libraries in reverse order, so that files in the first named
+ # library override files in subsequent libraries.
+ x=${gcc_cv_tool_prefix}
+ for l in ${with_libs}; do
+ copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
+ done
+ fi
+fi
+
+# Set with_gnu_as and with_gnu_ld as appropriate.
+#
+# This is done by determining whether or not the appropriate directory
+# is available, and by checking whether or not specific configurations
+# have requested that this magic not happen.
+#
+# The command line options always override the explicit settings in
+# configure.in, and the settings in configure.in override this magic.
+#
+# If the default for a toolchain is to use GNU as and ld, and you don't
+# want to do that, then you should use the --without-gnu-as and
+# --without-gnu-ld options for the configure script.
+
+if test x${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"
+fi
+
+if test x${use_gnu_ld} = x &&
+ echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
+ with_gnu_ld=yes
+ extra_host_args="$extra_host_args --with-gnu-ld"
+fi