diff --git a/ChangeLog b/ChangeLog
index bf70eb198d6..c680560ae0f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
+
+	PR other/27063
+	* configure.in: Test subdir_requires and give an appropriate
+	error message.
+	* configure: Regenerate.
+
 2006-07-01  Andrew John Hughes  <gnu_andrew@member.fsf.org>
 
 	* MAINTAINERS (Write After Approval): Add myself.
diff --git a/configure b/configure
index 8ef6b890d91..4ea9022568f 100755
--- a/configure
+++ b/configure
@@ -11,6 +11,8 @@
 ac_help=
 ac_default_prefix=/usr/local
 # Any additions from configure.in:
+ac_help="$ac_help
+  --with-build-libsubdir=[DIR]  Directory where to find libraries for build system"
 ac_help="$ac_help
   --enable-libada        Builds libada directory"
 ac_help="$ac_help
@@ -608,7 +610,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:612: checking host system type" >&5
+echo "configure:614: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -629,7 +631,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:633: checking target system type" >&5
+echo "configure:635: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -647,7 +649,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:651: checking build system type" >&5
+echo "configure:653: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -702,7 +704,7 @@ test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:706: checking for a BSD compatible install" >&5
+echo "configure:708: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -755,7 +757,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether ln works""... $ac_c" 1>&6
-echo "configure:759: checking whether ln works" >&5
+echo "configure:761: checking whether ln works" >&5
 if eval "test \"`echo '$''{'acx_cv_prog_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -779,7 +781,7 @@ else
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:783: checking whether ln -s works" >&5
+echo "configure:785: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -977,6 +979,14 @@ esac
 
   # Prefix 'build-' so this never conflicts with target_subdir.
 build_subdir="build-${build_noncanonical}"
+# Check whether --with-build-libsubdir or --without-build-libsubdir was given.
+if test "${with_build_libsubdir+set}" = set; then
+  withval="$with_build_libsubdir"
+  build_libsubdir="$withval"
+else
+  build_libsubdir="$build_subdir"
+fi
+
 # --srcdir=. covers the toplevel, while "test -d" covers the subdirectories
 if ( test $srcdir = . && test -d gcc ) \
    || test -d $srcdir/../host-${host_noncanonical}; then
@@ -986,7 +996,7 @@ else
 fi
 # No prefix.
 target_subdir=${target_noncanonical}
-   
+    
 
 # Skipdirs are removed silently.
 skipdirs=
@@ -1846,7 +1856,7 @@ else
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1850: checking for $ac_word" >&5
+echo "configure:1860: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1876,7 +1886,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1880: checking for $ac_word" >&5
+echo "configure:1890: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1927,7 +1937,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1931: checking for $ac_word" >&5
+echo "configure:1941: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1959,7 +1969,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1963: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1973: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1970,12 +1980,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1974 "configure"
+#line 1984 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -2001,12 +2011,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2005: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2015: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:2010: checking whether we are using GNU C" >&5
+echo "configure:2020: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2015,7 +2025,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2019: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2029: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -2034,7 +2044,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2038: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2048: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2101,7 +2111,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}gnatbind", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2105: checking for $ac_word" >&5
+echo "configure:2115: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2133,7 +2143,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "gnatbind", so it can be a program name with args.
 set dummy gnatbind; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2137: checking for $ac_word" >&5
+echo "configure:2147: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2166,7 +2176,7 @@ fi
 fi
 
 echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
-echo "configure:2170: checking whether compiler driver understands Ada" >&5
+echo "configure:2180: checking whether compiler driver understands Ada" >&5
 if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2198,7 +2208,7 @@ else
 fi
 
 echo $ac_n "checking how to compare bootstrapped objects""... $ac_c" 1>&6
-echo "configure:2202: checking how to compare bootstrapped objects" >&5
+echo "configure:2212: checking how to compare bootstrapped objects" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2296,9 +2306,9 @@ saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS $gmpinc"
 # Check GMP actually works
 echo $ac_n "checking for correct version of gmp.h""... $ac_c" 1>&6
-echo "configure:2300: checking for correct version of gmp.h" >&5
+echo "configure:2310: checking for correct version of gmp.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2302 "configure"
+#line 2312 "configure"
 #include "confdefs.h"
 #include "gmp.h"
 int main() {
@@ -2309,7 +2319,7 @@ choke me
 
 ; return 0; }
 EOF
-if { (eval echo configure:2313: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2323: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -2322,12 +2332,12 @@ rm -f conftest*
 
 if test x"$have_gmp" = xyes; then
   echo $ac_n "checking for MPFR""... $ac_c" 1>&6
-echo "configure:2326: checking for MPFR" >&5
+echo "configure:2336: checking for MPFR" >&5
 
   saved_LIBS="$LIBS"
   LIBS="$LIBS $gmplibs"
   cat > conftest.$ac_ext <<EOF
-#line 2331 "configure"
+#line 2341 "configure"
 #include "confdefs.h"
 #include <gmp.h>
 #include <mpfr.h>
@@ -2335,7 +2345,7 @@ int main() {
 mpfr_t n; mpfr_init(n);
 ; return 0; }
 EOF
-if { (eval echo configure:2339: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2349: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -2433,6 +2443,7 @@ if test -d ${srcdir}/gcc; then
         language=
         target_libs=
         lang_dirs=
+        subdir_requires=
         boot_language=
         build_by_default=
         need_gmp=
@@ -2466,6 +2477,21 @@ if test -d ${srcdir}/gcc; then
             ;;
         esac
 
+        # Disable languages that need other directories if these aren't available.
+	for i in $subdir_requires .; do
+	  test -d gcc/$i && continue
+	  case ,${enable_languages}, in
+            *,${language},*)
+              # Specifically requested language; tell them.
+              { echo "configure: error: The gcc/$i directory contains parts of $language but is missing" 1>&2; exit 1; }
+              ;;
+            *)
+              # Silently disable.
+              add_this_lang=no
+              ;;
+          esac
+	done
+
         # Disable languages that need GMP if it isn't available.
         case ,${enable_languages},:${have_gmp}:${need_gmp} in
           *,${language},*:no:yes)
@@ -3425,7 +3451,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3429: checking for $ac_word" >&5
+echo "configure:3455: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3465,7 +3491,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3469: checking for $ac_word" >&5
+echo "configure:3495: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_BISON'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3504,7 +3530,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3508: checking for $ac_word" >&5
+echo "configure:3534: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_M4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3543,7 +3569,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3547: checking for $ac_word" >&5
+echo "configure:3573: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3583,7 +3609,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3587: checking for $ac_word" >&5
+echo "configure:3613: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_FLEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3622,7 +3648,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3626: checking for $ac_word" >&5
+echo "configure:3652: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MAKEINFO'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3675,7 +3701,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3679: checking for $ac_word" >&5
+echo "configure:3705: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_EXPECT'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3716,7 +3742,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3720: checking for $ac_word" >&5
+echo "configure:3746: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RUNTEST'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3764,7 +3790,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3768: checking for $ac_word" >&5
+echo "configure:3794: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3795,7 +3821,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3799: checking for $ac_word" >&5
+echo "configure:3825: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3839,7 +3865,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3843: checking for $ac_word" >&5
+echo "configure:3869: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3870,7 +3896,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3874: checking for $ac_word" >&5
+echo "configure:3900: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3914,7 +3940,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3918: checking for $ac_word" >&5
+echo "configure:3944: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3945,7 +3971,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3949: checking for $ac_word" >&5
+echo "configure:3975: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3989,7 +4015,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3993: checking for $ac_word" >&5
+echo "configure:4019: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4020,7 +4046,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4024: checking for $ac_word" >&5
+echo "configure:4050: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4064,7 +4090,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4068: checking for $ac_word" >&5
+echo "configure:4094: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LIPO'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4095,7 +4121,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4099: checking for $ac_word" >&5
+echo "configure:4125: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LIPO'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4139,7 +4165,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4143: checking for $ac_word" >&5
+echo "configure:4169: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4170,7 +4196,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4174: checking for $ac_word" >&5
+echo "configure:4200: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4214,7 +4240,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4218: checking for $ac_word" >&5
+echo "configure:4244: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4245,7 +4271,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4249: checking for $ac_word" >&5
+echo "configure:4275: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4284,7 +4310,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4288: checking for $ac_word" >&5
+echo "configure:4314: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4315,7 +4341,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4319: checking for $ac_word" >&5
+echo "configure:4345: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4354,7 +4380,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4358: checking for $ac_word" >&5
+echo "configure:4384: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4385,7 +4411,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4389: checking for $ac_word" >&5
+echo "configure:4415: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4429,7 +4455,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4433: checking for $ac_word" >&5
+echo "configure:4459: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4460,7 +4486,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4464: checking for $ac_word" >&5
+echo "configure:4490: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4504,7 +4530,7 @@ fi
     # Extract the first word of "${ncn_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4508: checking for $ac_word" >&5
+echo "configure:4534: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4535,7 +4561,7 @@ fi
     # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4539: checking for $ac_word" >&5
+echo "configure:4565: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4599,7 +4625,7 @@ fi
  if test -n "$with_build_time_tools"; then
   for ncn_progname in cc gcc; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:4603: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:4629: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_CC_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -4616,7 +4642,7 @@ if test -z "$ac_cv_prog_CC_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4620: checking for $ac_word" >&5
+echo "configure:4646: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4647,7 +4673,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4651: checking for $ac_word" >&5
+echo "configure:4677: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4690,7 +4716,7 @@ fi
  if test -n "$with_build_time_tools"; then
   for ncn_progname in c++ g++ cxx gxx; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:4694: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:4720: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_CXX_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -4707,7 +4733,7 @@ if test -z "$ac_cv_prog_CXX_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4711: checking for $ac_word" >&5
+echo "configure:4737: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4738,7 +4764,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4742: checking for $ac_word" >&5
+echo "configure:4768: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4781,7 +4807,7 @@ fi
  if test -n "$with_build_time_tools"; then
   for ncn_progname in gcc; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:4785: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:4811: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_GCC_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -4798,7 +4824,7 @@ if test -z "$ac_cv_prog_GCC_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4802: checking for $ac_word" >&5
+echo "configure:4828: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GCC_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4829,7 +4855,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4833: checking for $ac_word" >&5
+echo "configure:4859: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GCC_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4867,7 +4893,7 @@ fi
  if test -n "$with_build_time_tools"; then
   for ncn_progname in gcj; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:4871: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:4897: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_GCJ_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -4884,7 +4910,7 @@ if test -z "$ac_cv_prog_GCJ_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4888: checking for $ac_word" >&5
+echo "configure:4914: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GCJ_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4915,7 +4941,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4919: checking for $ac_word" >&5
+echo "configure:4945: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GCJ_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4958,7 +4984,7 @@ fi
  if test -n "$with_build_time_tools"; then
   for ncn_progname in gfortran; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:4962: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:4988: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_GFORTRAN_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -4975,7 +5001,7 @@ if test -z "$ac_cv_prog_GFORTRAN_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4979: checking for $ac_word" >&5
+echo "configure:5005: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GFORTRAN_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5006,7 +5032,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5010: checking for $ac_word" >&5
+echo "configure:5036: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GFORTRAN_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5113,7 +5139,7 @@ rm conftest.c
 if test -z "$ac_cv_path_AR_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for ar in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5117: checking for ar in $with_build_time_tools" >&5
+echo "configure:5143: checking for ar in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/ar; then
       AR_FOR_TARGET=`cd $with_build_time_tools && pwd`/ar
       ac_cv_path_AR_FOR_TARGET=$AR_FOR_TARGET
@@ -5131,7 +5157,7 @@ if test -z "$ac_cv_path_AR_FOR_TARGET" ; then
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5135: checking for $ac_word" >&5
+echo "configure:5161: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5168,7 +5194,7 @@ if test -z "$ac_cv_path_AR_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in ar; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5172: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:5198: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_AR_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -5185,7 +5211,7 @@ if test -z "$ac_cv_prog_AR_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5189: checking for $ac_word" >&5
+echo "configure:5215: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5216,7 +5242,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5220: checking for $ac_word" >&5
+echo "configure:5246: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5266,7 +5292,7 @@ fi
 if test -z "$ac_cv_path_AS_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for as in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5270: checking for as in $with_build_time_tools" >&5
+echo "configure:5296: checking for as in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/as; then
       AS_FOR_TARGET=`cd $with_build_time_tools && pwd`/as
       ac_cv_path_AS_FOR_TARGET=$AS_FOR_TARGET
@@ -5284,7 +5310,7 @@ if test -z "$ac_cv_path_AS_FOR_TARGET" ; then
   # Extract the first word of "as", so it can be a program name with args.
 set dummy as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5288: checking for $ac_word" >&5
+echo "configure:5314: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5321,7 +5347,7 @@ if test -z "$ac_cv_path_AS_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in as; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5325: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:5351: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_AS_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -5338,7 +5364,7 @@ if test -z "$ac_cv_prog_AS_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5342: checking for $ac_word" >&5
+echo "configure:5368: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5369,7 +5395,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5373: checking for $ac_word" >&5
+echo "configure:5399: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5419,7 +5445,7 @@ fi
 if test -z "$ac_cv_path_DLLTOOL_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for dlltool in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5423: checking for dlltool in $with_build_time_tools" >&5
+echo "configure:5449: checking for dlltool in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/dlltool; then
       DLLTOOL_FOR_TARGET=`cd $with_build_time_tools && pwd`/dlltool
       ac_cv_path_DLLTOOL_FOR_TARGET=$DLLTOOL_FOR_TARGET
@@ -5437,7 +5463,7 @@ if test -z "$ac_cv_path_DLLTOOL_FOR_TARGET" ; then
   # Extract the first word of "dlltool", so it can be a program name with args.
 set dummy dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5441: checking for $ac_word" >&5
+echo "configure:5467: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5474,7 +5500,7 @@ if test -z "$ac_cv_path_DLLTOOL_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in dlltool; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5478: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:5504: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_DLLTOOL_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -5491,7 +5517,7 @@ if test -z "$ac_cv_prog_DLLTOOL_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5495: checking for $ac_word" >&5
+echo "configure:5521: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5522,7 +5548,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5526: checking for $ac_word" >&5
+echo "configure:5552: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5572,7 +5598,7 @@ fi
 if test -z "$ac_cv_path_LD_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for ld in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5576: checking for ld in $with_build_time_tools" >&5
+echo "configure:5602: checking for ld in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/ld; then
       LD_FOR_TARGET=`cd $with_build_time_tools && pwd`/ld
       ac_cv_path_LD_FOR_TARGET=$LD_FOR_TARGET
@@ -5590,7 +5616,7 @@ if test -z "$ac_cv_path_LD_FOR_TARGET" ; then
   # Extract the first word of "ld", so it can be a program name with args.
 set dummy ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5594: checking for $ac_word" >&5
+echo "configure:5620: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5627,7 +5653,7 @@ if test -z "$ac_cv_path_LD_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in ld; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5631: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:5657: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_LD_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -5644,7 +5670,7 @@ if test -z "$ac_cv_prog_LD_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5648: checking for $ac_word" >&5
+echo "configure:5674: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5675,7 +5701,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5679: checking for $ac_word" >&5
+echo "configure:5705: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5725,7 +5751,7 @@ fi
 if test -z "$ac_cv_path_LIPO_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for lipo in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5729: checking for lipo in $with_build_time_tools" >&5
+echo "configure:5755: checking for lipo in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/lipo; then
       LIPO_FOR_TARGET=`cd $with_build_time_tools && pwd`/lipo
       ac_cv_path_LIPO_FOR_TARGET=$LIPO_FOR_TARGET
@@ -5743,7 +5769,7 @@ if test -z "$ac_cv_path_LIPO_FOR_TARGET" ; then
   # Extract the first word of "lipo", so it can be a program name with args.
 set dummy lipo; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5747: checking for $ac_word" >&5
+echo "configure:5773: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LIPO_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5780,7 +5806,7 @@ if test -z "$ac_cv_path_LIPO_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in lipo; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5784: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:5810: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_LIPO_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -5797,7 +5823,7 @@ if test -z "$ac_cv_prog_LIPO_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5801: checking for $ac_word" >&5
+echo "configure:5827: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LIPO_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5828,7 +5854,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5832: checking for $ac_word" >&5
+echo "configure:5858: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LIPO_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5878,7 +5904,7 @@ fi
 if test -z "$ac_cv_path_NM_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for nm in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5882: checking for nm in $with_build_time_tools" >&5
+echo "configure:5908: checking for nm in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/nm; then
       NM_FOR_TARGET=`cd $with_build_time_tools && pwd`/nm
       ac_cv_path_NM_FOR_TARGET=$NM_FOR_TARGET
@@ -5896,7 +5922,7 @@ if test -z "$ac_cv_path_NM_FOR_TARGET" ; then
   # Extract the first word of "nm", so it can be a program name with args.
 set dummy nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5900: checking for $ac_word" >&5
+echo "configure:5926: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5933,7 +5959,7 @@ if test -z "$ac_cv_path_NM_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in nm; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:5937: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:5963: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_NM_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -5950,7 +5976,7 @@ if test -z "$ac_cv_prog_NM_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5954: checking for $ac_word" >&5
+echo "configure:5980: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5981,7 +6007,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5985: checking for $ac_word" >&5
+echo "configure:6011: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6031,7 +6057,7 @@ fi
 if test -z "$ac_cv_path_OBJDUMP_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for objdump in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6035: checking for objdump in $with_build_time_tools" >&5
+echo "configure:6061: checking for objdump in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/objdump; then
       OBJDUMP_FOR_TARGET=`cd $with_build_time_tools && pwd`/objdump
       ac_cv_path_OBJDUMP_FOR_TARGET=$OBJDUMP_FOR_TARGET
@@ -6049,7 +6075,7 @@ if test -z "$ac_cv_path_OBJDUMP_FOR_TARGET" ; then
   # Extract the first word of "objdump", so it can be a program name with args.
 set dummy objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6053: checking for $ac_word" >&5
+echo "configure:6079: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_OBJDUMP_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6086,7 +6112,7 @@ if test -z "$ac_cv_path_OBJDUMP_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in objdump; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6090: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:6116: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_OBJDUMP_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -6103,7 +6129,7 @@ if test -z "$ac_cv_prog_OBJDUMP_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6107: checking for $ac_word" >&5
+echo "configure:6133: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6134,7 +6160,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6138: checking for $ac_word" >&5
+echo "configure:6164: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6184,7 +6210,7 @@ fi
 if test -z "$ac_cv_path_RANLIB_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for ranlib in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6188: checking for ranlib in $with_build_time_tools" >&5
+echo "configure:6214: checking for ranlib in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/ranlib; then
       RANLIB_FOR_TARGET=`cd $with_build_time_tools && pwd`/ranlib
       ac_cv_path_RANLIB_FOR_TARGET=$RANLIB_FOR_TARGET
@@ -6202,7 +6228,7 @@ if test -z "$ac_cv_path_RANLIB_FOR_TARGET" ; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6206: checking for $ac_word" >&5
+echo "configure:6232: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6239,7 +6265,7 @@ if test -z "$ac_cv_path_RANLIB_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in ranlib; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6243: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:6269: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_RANLIB_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -6256,7 +6282,7 @@ if test -z "$ac_cv_prog_RANLIB_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6260: checking for $ac_word" >&5
+echo "configure:6286: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6287,7 +6313,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6291: checking for $ac_word" >&5
+echo "configure:6317: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6337,7 +6363,7 @@ fi
 if test -z "$ac_cv_path_STRIP_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for strip in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6341: checking for strip in $with_build_time_tools" >&5
+echo "configure:6367: checking for strip in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/strip; then
       STRIP_FOR_TARGET=`cd $with_build_time_tools && pwd`/strip
       ac_cv_path_STRIP_FOR_TARGET=$STRIP_FOR_TARGET
@@ -6355,7 +6381,7 @@ if test -z "$ac_cv_path_STRIP_FOR_TARGET" ; then
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6359: checking for $ac_word" >&5
+echo "configure:6385: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_STRIP_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6392,7 +6418,7 @@ if test -z "$ac_cv_path_STRIP_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in strip; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6396: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:6422: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_STRIP_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -6409,7 +6435,7 @@ if test -z "$ac_cv_prog_STRIP_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6413: checking for $ac_word" >&5
+echo "configure:6439: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6440,7 +6466,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6444: checking for $ac_word" >&5
+echo "configure:6470: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6490,7 +6516,7 @@ fi
 if test -z "$ac_cv_path_WINDRES_FOR_TARGET" ; then
   if test -n "$with_build_time_tools"; then
     echo $ac_n "checking for windres in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6494: checking for windres in $with_build_time_tools" >&5
+echo "configure:6520: checking for windres in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/windres; then
       WINDRES_FOR_TARGET=`cd $with_build_time_tools && pwd`/windres
       ac_cv_path_WINDRES_FOR_TARGET=$WINDRES_FOR_TARGET
@@ -6508,7 +6534,7 @@ if test -z "$ac_cv_path_WINDRES_FOR_TARGET" ; then
   # Extract the first word of "windres", so it can be a program name with args.
 set dummy windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6512: checking for $ac_word" >&5
+echo "configure:6538: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6545,7 +6571,7 @@ if test -z "$ac_cv_path_WINDRES_FOR_TARGET" ; then
    if test -n "$with_build_time_tools"; then
   for ncn_progname in windres; do
     echo $ac_n "checking for ${ncn_progname} in $with_build_time_tools""... $ac_c" 1>&6
-echo "configure:6549: checking for ${ncn_progname} in $with_build_time_tools" >&5
+echo "configure:6575: checking for ${ncn_progname} in $with_build_time_tools" >&5
     if test -x $with_build_time_tools/${ncn_progname}; then
       ac_cv_prog_WINDRES_FOR_TARGET=$with_build_time_tools/${ncn_progname}
       echo "$ac_t""yes" 1>&6
@@ -6562,7 +6588,7 @@ if test -z "$ac_cv_prog_WINDRES_FOR_TARGET"; then
       # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6566: checking for $ac_word" >&5
+echo "configure:6592: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6593,7 +6619,7 @@ fi
       # Extract the first word of "${ncn_progname}", so it can be a program name with args.
 set dummy ${ncn_progname}; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:6597: checking for $ac_word" >&5
+echo "configure:6623: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6641,7 +6667,7 @@ fi
 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
 
 echo $ac_n "checking where to find the target ar""... $ac_c" 1>&6
-echo "configure:6645: checking where to find the target ar" >&5
+echo "configure:6671: checking where to find the target ar" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$AR_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6674,7 +6700,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target as""... $ac_c" 1>&6
-echo "configure:6678: checking where to find the target as" >&5
+echo "configure:6704: checking where to find the target as" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$AS_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6707,7 +6733,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target cc""... $ac_c" 1>&6
-echo "configure:6711: checking where to find the target cc" >&5
+echo "configure:6737: checking where to find the target cc" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$CC_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6740,7 +6766,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target c++""... $ac_c" 1>&6
-echo "configure:6744: checking where to find the target c++" >&5
+echo "configure:6770: checking where to find the target c++" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$CXX_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6776,7 +6802,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target c++ for libstdc++""... $ac_c" 1>&6
-echo "configure:6780: checking where to find the target c++ for libstdc++" >&5
+echo "configure:6806: checking where to find the target c++ for libstdc++" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$RAW_CXX_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6812,7 +6838,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target dlltool""... $ac_c" 1>&6
-echo "configure:6816: checking where to find the target dlltool" >&5
+echo "configure:6842: checking where to find the target dlltool" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$DLLTOOL_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6845,7 +6871,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target gcc""... $ac_c" 1>&6
-echo "configure:6849: checking where to find the target gcc" >&5
+echo "configure:6875: checking where to find the target gcc" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$GCC_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6878,7 +6904,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target gcj""... $ac_c" 1>&6
-echo "configure:6882: checking where to find the target gcj" >&5
+echo "configure:6908: checking where to find the target gcj" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$GCJ_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6914,7 +6940,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target gfortran""... $ac_c" 1>&6
-echo "configure:6918: checking where to find the target gfortran" >&5
+echo "configure:6944: checking where to find the target gfortran" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$GFORTRAN_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6950,7 +6976,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target ld""... $ac_c" 1>&6
-echo "configure:6954: checking where to find the target ld" >&5
+echo "configure:6980: checking where to find the target ld" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$LD_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -6983,7 +7009,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target lipo""... $ac_c" 1>&6
-echo "configure:6987: checking where to find the target lipo" >&5
+echo "configure:7013: checking where to find the target lipo" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$LIPO_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -7006,7 +7032,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target nm""... $ac_c" 1>&6
-echo "configure:7010: checking where to find the target nm" >&5
+echo "configure:7036: checking where to find the target nm" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$NM_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -7039,7 +7065,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target objdump""... $ac_c" 1>&6
-echo "configure:7043: checking where to find the target objdump" >&5
+echo "configure:7069: checking where to find the target objdump" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$OBJDUMP_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -7072,7 +7098,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target ranlib""... $ac_c" 1>&6
-echo "configure:7076: checking where to find the target ranlib" >&5
+echo "configure:7102: checking where to find the target ranlib" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$RANLIB_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -7105,7 +7131,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target strip""... $ac_c" 1>&6
-echo "configure:7109: checking where to find the target strip" >&5
+echo "configure:7135: checking where to find the target strip" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$STRIP_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -7138,7 +7164,7 @@ else
   fi
 fi
 echo $ac_n "checking where to find the target windres""... $ac_c" 1>&6
-echo "configure:7142: checking where to find the target windres" >&5
+echo "configure:7168: checking where to find the target windres" >&5
 if test "x${build}" != "x${host}" ; then
   if expr "x$WINDRES_FOR_TARGET" : "x/" > /dev/null; then
     # We already found the complete path
@@ -7199,7 +7225,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:7203: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:7229: checking whether to enable maintainer-specific portions of Makefiles" >&5
 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -7456,6 +7482,7 @@ s%@INSTALL_DATA@%$INSTALL_DATA%g
 s%@LN@%$LN%g
 s%@LN_S@%$LN_S%g
 s%@TOPLEVEL_CONFIGURE_ARGUMENTS@%$TOPLEVEL_CONFIGURE_ARGUMENTS%g
+s%@build_libsubdir@%$build_libsubdir%g
 s%@build_subdir@%$build_subdir%g
 s%@host_subdir@%$host_subdir%g
 s%@target_subdir@%$target_subdir%g
diff --git a/configure.in b/configure.in
index 21a464d5bdd..b472484116e 100644
--- a/configure.in
+++ b/configure.in
@@ -1219,6 +1219,7 @@ if test -d ${srcdir}/gcc; then
         language=
         target_libs=
         lang_dirs=
+        subdir_requires=
         boot_language=
         build_by_default=
         need_gmp=
@@ -1252,6 +1253,21 @@ if test -d ${srcdir}/gcc; then
             ;;
         esac
 
+        # Disable languages that need other directories if these aren't available.
+	for i in $subdir_requires .; do
+	  test -d gcc/$i && continue
+	  case ,${enable_languages}, in
+            *,${language},*)
+              # Specifically requested language; tell them.
+              AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
+              ;;
+            *)
+              # Silently disable.
+              add_this_lang=no
+              ;;
+          esac
+	done
+
         # Disable languages that need GMP if it isn't available.
         case ,${enable_languages},:${have_gmp}:${need_gmp} in
           *,${language},*:no:yes)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3afa2e05e74..bec254e2b3f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
+
+	PR other/27063
+	* configure.ac (for lang...): Simplify nesting of conditionals.
+	Test subdir_requires for non-enabled languages.  Move processing
+	of lang_opt_files and lang_tree_fiels below that test.
+	* configure: Regenerate.
+	* doc/sourcebuild.texi (Front End Config): Document subdir_requires.
+
 2006-07-01  Martin Michlmayr  <tbm@cyrius.com>
 
 	* doc/gcov.texi (Invoking Gcov): Add a missing word.
diff --git a/gcc/configure b/gcc/configure
index c05d12750d2..1c514e498d8 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP EGREP strict1_warn cxx_compat_warn warn_cflags WERROR nocommon_flag TREEBROWSER valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_decimal_float enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep datarootdir docdir htmldir SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR stage1_cflags COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LTLIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file extra_opt_files USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT host_cc_for_libada CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS STMP_FIXINC STMP_FIXPROTO collect2 gcc_cv_as ORIGINAL_AS_FOR_TARGET gcc_cv_ld ORIGINAL_LD_FOR_TARGET gcc_cv_nm ORIGINAL_NM_FOR_TARGET gcc_cv_objdump libgcc_visibility GGC zlibdir zlibinc MAINT gcc_tooldir dollar slibdir objdir subdirs srcdir all_boot_languages all_compilers all_gtfiles all_gtfiles_files_langs all_gtfiles_files_files all_lang_makefrags all_lang_makefiles all_languages all_selected_languages all_stagestuff build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines check_languages cc_set_by_configure quoted_cc_set_by_configure cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file stage_prefix_set_by_configure quoted_stage_prefix_set_by_configure thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs target_cpu_default GMPLIBS GMPINC LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical build_libsubdir build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP EGREP strict1_warn cxx_compat_warn warn_cflags WERROR nocommon_flag TREEBROWSER valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_decimal_float enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep datarootdir docdir htmldir SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR stage1_cflags COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LTLIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file extra_opt_files USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS DATADIRNAME INSTOBJEXT GENCAT CATOBJEXT host_cc_for_libada CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS STMP_FIXINC STMP_FIXPROTO collect2 gcc_cv_as ORIGINAL_AS_FOR_TARGET gcc_cv_ld ORIGINAL_LD_FOR_TARGET gcc_cv_nm ORIGINAL_NM_FOR_TARGET gcc_cv_objdump libgcc_visibility GGC zlibdir zlibinc MAINT gcc_tooldir dollar slibdir objdir subdirs srcdir all_boot_languages all_compilers all_gtfiles all_gtfiles_files_langs all_gtfiles_files_files all_lang_makefrags all_lang_makefiles all_languages all_selected_languages all_stagestuff build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines check_languages cc_set_by_configure quoted_cc_set_by_configure cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file stage_prefix_set_by_configure quoted_stage_prefix_set_by_configure thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs target_cpu_default GMPLIBS GMPINC LIBOBJS LTLIBOBJS'
 ac_subst_files='language_hooks'
 
 # Initialize some variables set by options.
@@ -912,6 +912,7 @@ Optional Features:
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-build-libsubdir=DIR  Directory where to find libraries for build system
   --with-local-prefix=DIR specifies directory to put local include
   --with-gxx-include-dir=DIR
                           specifies directory to put g++ header files
@@ -1527,6 +1528,14 @@ esac
 # Determine the target- and build-specific subdirectories
   # Prefix 'build-' so this never conflicts with target_subdir.
 build_subdir="build-${build_noncanonical}"
+
+# Check whether --with-build-libsubdir or --without-build-libsubdir was given.
+if test "${with_build_libsubdir+set}" = set; then
+  withval="$with_build_libsubdir"
+  build_libsubdir="$withval"
+else
+  build_libsubdir="$build_subdir"
+fi;
 # --srcdir=. covers the toplevel, while "test -d" covers the subdirectories
 if ( test $srcdir = . && test -d gcc ) \
    || test -d $srcdir/../host-${host_noncanonical}; then
@@ -7632,7 +7641,7 @@ if test "${gcc_cv_prog_makeinfo_modern+set}" = set; then
 else
     ac_prog_version=`$MAKEINFO --version 2>&1 |
                    sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
-  echo "configure:7635: version of makeinfo is $ac_prog_version" >&5
+  echo "configure:7644: version of makeinfo is $ac_prog_version" >&5
   case $ac_prog_version in
     '')     gcc_cv_prog_makeinfo_modern=no;;
     4.[4-9]*)
@@ -15993,12 +16002,8 @@ language_hooks="Make-hooks"
 
 for lang in ${srcdir}/*/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.
-    ${srcdir}/[*]/config-lang.in)
-        continue ;;
-    *)
+	test "$lang" = "${srcdir}/*/config-lang.in" && continue
+
         lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
         if test "x$lang_alias" = x
         then
@@ -16016,26 +16021,40 @@ do
 	    ;;
         esac
 
-	if test -f $srcdir/$subdir/lang.opt; then
-	    lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
-	fi
-	if test -f $srcdir/$subdir/$subdir-tree.def; then
-	    lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
-	fi
-
 	language=
 	boot_language=
 	compilers=
 	stagestuff=
 	outputs=
 	gtfiles=
+	subdir_requires=
 	. ${srcdir}/$subdir/config-lang.in
 	if test "x$language" = x
 	then
 		echo "${srcdir}/$subdir/config-lang.in doesn't set \$language." 1>&2
 		exit 1
 	fi
+
+	ok=:
+        case ",$enable_languages," in
+        	*,$lang_alias,*) ;;
+		*)
+			for i in $subdir_requires; do
+				test -d "$i" && continue
+				ok=false
+				break
+			done
+		;;
+	esac
+	$ok || continue
+
 	all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$subdir/Make-lang.in"
+	if test -f $srcdir/$subdir/lang.opt; then
+	    lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
+	fi
+	if test -f $srcdir/$subdir/$subdir-tree.def; then
+	    lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
+	fi
 	if test -f ${srcdir}/$subdir/Makefile.in
 		then all_lang_makefiles="$subdir/Makefile"
 	fi
@@ -16048,13 +16067,11 @@ do
 	all_stagestuff="$all_stagestuff $stagestuff"
 	all_outputs="$all_outputs $outputs"
 	all_gtfiles="$all_gtfiles $gtfiles"
-        for f in $gtfiles
-        do
-                 all_gtfiles_files_langs="$all_gtfiles_files_langs ${subdir} "
-                 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
-        done
-	;;
-    esac
+	for f in $gtfiles
+	do
+		all_gtfiles_files_langs="$all_gtfiles_files_langs ${subdir} "
+		all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
+	done
 done
 
 # Pick up gtfiles for c
@@ -16939,6 +16956,7 @@ s,@target_cpu@,$target_cpu,;t t
 s,@target_vendor@,$target_vendor,;t t
 s,@target_os@,$target_os,;t t
 s,@target_noncanonical@,$target_noncanonical,;t t
+s,@build_libsubdir@,$build_libsubdir,;t t
 s,@build_subdir@,$build_subdir,;t t
 s,@host_subdir@,$host_subdir,;t t
 s,@target_subdir@,$target_subdir,;t t
diff --git a/gcc/configure.ac b/gcc/configure.ac
index de3d065b8b2..ee6329655a0 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -3344,13 +3344,9 @@ language_hooks="Make-hooks"
 
 for lang in ${srcdir}/*/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.
 changequote(,)dnl
-    ${srcdir}/[*]/config-lang.in)
-        continue ;;
-    *)
+	test "$lang" = "${srcdir}/*/config-lang.in" && continue
+
         lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
         if test "x$lang_alias" = x
         then
@@ -3369,26 +3365,40 @@ changequote(,)dnl
         esac
 changequote([,])dnl
 
-	if test -f $srcdir/$subdir/lang.opt; then
-	    lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
-	fi
-	if test -f $srcdir/$subdir/$subdir-tree.def; then
-	    lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
-	fi
-
 	language=
 	boot_language=
 	compilers=
 	stagestuff=
 	outputs=
 	gtfiles=
+	subdir_requires=
 	. ${srcdir}/$subdir/config-lang.in
 	if test "x$language" = x
 	then
 		echo "${srcdir}/$subdir/config-lang.in doesn't set \$language." 1>&2
 		exit 1
 	fi
+
+	ok=:
+        case ",$enable_languages," in
+        	*,$lang_alias,*) ;;
+		*)
+			for i in $subdir_requires; do
+				test -d "$i" && continue
+				ok=false
+				break
+			done
+		;;
+	esac
+	$ok || continue
+
 	all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$subdir/Make-lang.in"
+	if test -f $srcdir/$subdir/lang.opt; then
+	    lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
+	fi
+	if test -f $srcdir/$subdir/$subdir-tree.def; then
+	    lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
+	fi
 	if test -f ${srcdir}/$subdir/Makefile.in
 		then all_lang_makefiles="$subdir/Makefile"
 	fi
@@ -3401,13 +3411,11 @@ changequote([,])dnl
 	all_stagestuff="$all_stagestuff $stagestuff"
 	all_outputs="$all_outputs $outputs"
 	all_gtfiles="$all_gtfiles $gtfiles"
-        for f in $gtfiles
-        do
-                 all_gtfiles_files_langs="$all_gtfiles_files_langs ${subdir} "
-                 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
-        done
-	;;
-    esac
+	for f in $gtfiles
+	do
+		all_gtfiles_files_langs="$all_gtfiles_files_langs ${subdir} "
+		all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
+	done
 done
 
 # Pick up gtfiles for c
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index af154d89d0a..66e1b37222b 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -673,6 +673,11 @@ other than C that this front end requires to be enabled (with the
 names given being their @code{language} settings).  For example, the
 Java front end depends on the C++ front end, so sets
 @samp{lang_requires=c++}.
+@item subdir_requires
+If defined, this variable lists (space-separated) front end directories
+other than C that this front end requires to be present.  For example,
+the Objective-C++ front end uses source files from the C++ and
+Objective-C front ends, so sets @samp{subdir_requires="cp objc"}.
 @item target_libs
 If defined, this variable lists (space-separated) targets in the top
 level @file{Makefile} to build the runtime libraries for this
diff --git a/gcc/objcp/ChangeLog b/gcc/objcp/ChangeLog
index e499a232d05..1e832877f8e 100644
--- a/gcc/objcp/ChangeLog
+++ b/gcc/objcp/ChangeLog
@@ -1,3 +1,8 @@
+2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
+
+	PR other/27063
+	* config-lang.in: Add subdir_requires.
+
 2006-06-30  Jason Merrill  <jason@redhat.com>
 
 	* objcp-decl.c (objcp_start_struct): Pass null attributes argument
diff --git a/gcc/objcp/config-lang.in b/gcc/objcp/config-lang.in
index f83df3055e3..b1c0564c817 100644
--- a/gcc/objcp/config-lang.in
+++ b/gcc/objcp/config-lang.in
@@ -39,5 +39,6 @@ build_by_default="no"
 # the object files we need, along with the libraries (libstdc++,
 # libobjc).
 lang_requires="objc c++"
+subdir_requires="objc cp"
 
 gtfiles="\$(srcdir)/objcp/objcp-decl.c \$(srcdir)/objc/objc-act.c \$(srcdir)/objc/objc-act.h \$(srcdir)/cp/rtti.c \$(srcdir)/cp/mangle.c \$(srcdir)/cp/name-lookup.h \$(srcdir)/cp/name-lookup.c \$(srcdir)/cp/cp-tree.h \$(srcdir)/cp/decl.h \$(srcdir)/cp/call.c \$(srcdir)/cp/decl.c \$(srcdir)/cp/decl2.c \$(srcdir)/cp/pt.c \$(srcdir)/cp/repo.c \$(srcdir)/cp/semantics.c \$(srcdir)/cp/tree.c \$(srcdir)/cp/parser.c \$(srcdir)/cp/method.c \$(srcdir)/cp/typeck2.c \$(srcdir)/c-common.c \$(srcdir)/c-common.h \$(srcdir)/c-lex.c \$(srcdir)/c-pragma.c \$(srcdir)/cp/cp-objcp-common.c"