+fi;
+
+# Check whether --with-mpfr_include or --without-mpfr_include was given.
+if test "${with_mpfr_include+set}" = set; then
+ withval="$with_mpfr_include"
+
+fi;
+
+# Check whether --with-mpfr_lib or --without-mpfr_lib was given.
+if test "${with_mpfr_lib+set}" = set; then
+ withval="$with_mpfr_lib"
+
+fi;
+
+if test "x$with_mpfr" != x; then
+ gmplibs="-L$with_mpfr/lib $gmplibs"
+ gmpinc="-I$with_mpfr/include"
+fi
+if test "x$with_mpfr_include" != x; then
+ gmpinc="-I$with_mpfr_include"
+fi
+if test "x$with_mpfr_lib" != x; then
+ gmplibs="-L$with_mpfr_lib $gmplibs"
+fi
+if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
+ gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
+ gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
+ # Do not test the mpfr version. Assume that it is sufficient, since
+ # it is in the source tree, and the library has not been built yet
+ # but it would be included on the link line in the version check below
+ # hence making the test fail.
+ have_gmp=yes
+fi
+
+# Specify a location for gmp
+
+# Check whether --with-gmp-dir or --without-gmp-dir was given.
+if test "${with_gmp_dir+set}" = set; then
+ withval="$with_gmp_dir"
+ { { echo "$as_me:$LINENO: error: The --with-gmp-dir=PATH option has been removed.
+Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH" >&5
+echo "$as_me: error: The --with-gmp-dir=PATH option has been removed.
+Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH" >&2;}
+ { (exit 1); exit 1; }; }
+fi;
+
+
+# Check whether --with-gmp or --without-gmp was given.
+if test "${with_gmp+set}" = set; then
+ withval="$with_gmp"
+
+fi;
+
+# Check whether --with-gmp_include or --without-gmp_include was given.
+if test "${with_gmp_include+set}" = set; then
+ withval="$with_gmp_include"
+
+fi;
+
+# Check whether --with-gmp_lib or --without-gmp_lib was given.
+if test "${with_gmp_lib+set}" = set; then
+ withval="$with_gmp_lib"
+
+fi;
+
+
+if test "x$with_gmp" != x; then
+ gmplibs="-L$with_gmp/lib $gmplibs"
+ gmpinc="-I$with_gmp/include $gmpinc"
+fi
+if test "x$with_gmp_include" != x; then
+ gmpinc="-I$with_gmp_include $gmpinc"
+fi
+if test "x$with_gmp_lib" != x; then
+ gmplibs="-L$with_gmp_lib $gmplibs"
+fi
+if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
+ gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
+ gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
+ # Do not test the gmp version. Assume that it is sufficient, since
+ # it is in the source tree, and the library has not been built yet
+ # but it would be included on the link line in the version check below
+ # hence making the test fail.
+ have_gmp=yes
+fi
+
+if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
+ have_gmp=yes
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $gmpinc"
+ # Check GMP actually works
+ echo "$as_me:$LINENO: checking for correct version of gmp.h" >&5
+echo $ECHO_N "checking for correct version of gmp.h... $ECHO_C" >&6
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include "gmp.h"
+int
+main ()
+{
+
+ #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
+ choke me
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; have_gmp=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ if test x"$have_gmp" = xyes; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $gmplibs"
+ echo "$as_me:$LINENO: checking for correct version of mpfr.h" >&5
+echo $ECHO_N "checking for correct version of mpfr.h... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <gmp.h>
+ #include <mpfr.h>
+int
+main ()
+{
+
+ #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
+ choke me
+ #endif
+ mpfr_t n;
+ mpfr_t x;
+ int t;
+ mpfr_init (n);
+ mpfr_init (x);
+ mpfr_atan2 (n, n, x, GMP_RNDN);
+ mpfr_erfc (n, x, GMP_RNDN);
+ mpfr_subnormalize (x, t, GMP_RNDN);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <gmp.h>
+ #include <mpfr.h>
+int
+main ()
+{
+
+ #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,0)
+ choke me
+ #endif
+ mpfr_t n; mpfr_init(n);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: buggy but acceptable" >&5
+echo "${ECHO_T}buggy but acceptable" >&6
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; have_gmp=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LIBS="$saved_LIBS"
+ fi
+ CFLAGS="$saved_CFLAGS"
+
+ if test x$have_gmp != xyes; then
+ { { echo "$as_me:$LINENO: error: Building GCC requires GMP 4.1+ and MPFR 2.3.0+.
+Try the --with-gmp and/or --with-mpfr options to specify their locations.
+Copies of these libraries' source code can be found at their respective
+hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
+See also http://gcc.gnu.org/install/prerequisites.html for additional info.
+If you obtained GMP and/or MPFR from a vendor distribution package, make
+sure that you have installed both the libraries and the header files.
+They may be located in separate packages." >&5
+echo "$as_me: error: Building GCC requires GMP 4.1+ and MPFR 2.3.0+.
+Try the --with-gmp and/or --with-mpfr options to specify their locations.
+Copies of these libraries' source code can be found at their respective
+hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
+See also http://gcc.gnu.org/install/prerequisites.html for additional info.
+If you obtained GMP and/or MPFR from a vendor distribution package, make
+sure that you have installed both the libraries and the header files.
+They may be located in separate packages." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+fi
+
+# Flags needed for both GMP and/or MPFR
+
+
+
+# By default, C is the only stage 1 language.
+stage1_languages=,c,
+
+# 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 "${enable_languages}" | sed -e 's/[ ,][ ,]*/,/g' -e 's/,$//'`
+
+ # 'f95' is the old name for the 'fortran' language. We issue a warning
+ # and make the substitution.
+ case ,${enable_languages}, in
+ *,f95,*)
+ echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
+ enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
+ ;;
+ esac
+
+ # 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=
+ 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