merge from gcc:

[deliverable/binutils-gdb.git] / configure

diff --git a/configure b/configure
index 19dcccbaf408efe6e4e0f44e64dac6926587d22c..18ba5560d6bc16d48ee7aad1e373df184b354988 100755 (executable)
--- a/configure
+++ b/configure
@@ -13,6 +13,8 @@ ac_default_prefix=/usr/local
 # Any additions from configure.in:
 ac_help="$ac_help
   --enable-libada        Builds libada directory"
+ac_help="$ac_help
+  --enable-libssp        Builds libssp directory"
 ac_help="$ac_help
   --with-mpfr-dir=PATH    Specify source directory for MPFR library"
 ac_help="$ac_help
@@ -591,7 +593,7 @@ 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:595: checking host system type" >&5
+echo "configure:597: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -612,7 +614,7 @@ 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:616: checking target system type" >&5
+echo "configure:618: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -630,7 +632,7 @@ 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:634: checking build system type" >&5
+echo "configure:636: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -685,7 +687,7 @@ 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""... $ac_c" 1>&6
-echo "configure:689: checking for a BSD compatible install" >&5
+echo "configure:691: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -738,7 +740,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether ln works""... $ac_c" 1>&6
-echo "configure:742: checking whether ln works" >&5
+echo "configure:744: checking whether ln works" >&5
 if eval "test \"`echo '$''{'acx_cv_prog_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -762,7 +764,7 @@ else
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:766: checking whether ln -s works" >&5
+echo "configure:768: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -900,6 +902,7 @@ target_libraries="target-libiberty \
                target-newlib \
                target-libstdc++-v3 \
                target-libmudflap \
+               target-libssp \
                target-libgfortran \
                ${libgcj} \
                target-libobjc \
@@ -1036,6 +1039,10 @@ case "${host}" in
     configdirs="$configdirs libtermcap" ;;
 esac
 
+# A target can indicate whether a language isn't supported for some reason.
+# Only spaces may be used in this macro; not newlines or tabs.
+unsupported_languages=
+
 # Remove more programs from consideration, based on the host or 
 # target this usually means that a port of the program doesn't
 # exist yet.
@@ -1085,6 +1092,18 @@ if test "${ENABLE_LIBADA}" != "yes" ; then
   noconfigdirs="$noconfigdirs gnattools"
 fi
 
+# Check whether --enable-libssp or --disable-libssp was given.
+if test "${enable_libssp+set}" = set; then
+  enableval="$enable_libssp"
+  ENABLE_LIBSSP=$enableval
+else
+  ENABLE_LIBSSP=yes
+fi
+
+if test "${ENABLE_LIBSSP}" != "yes" ; then
+  noconfigdirs="$noconfigdirs target-libssp"
+fi
+
 # Save it here so that, even in case of --enable-libgcj, if the Java
 # front-end isn't enabled, we still get libgcj disabled.
 libgcj_saved=$libgcj
@@ -1131,9 +1150,11 @@ case "${target}" in
     ;;
   powerpc-*-darwin*)
     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
+    noconfigdirs="$noconfigdirs sim target-rda"
     ;;
   *-*-darwin*)
     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
+    noconfigdirs="$noconfigdirs sim target-rda"
     noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
   *-*-freebsd[12] | *-*-freebsd[12].* | *-*-freebsd*aout*)
@@ -1264,15 +1285,18 @@ case "${target}" in
     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
     ;;
   cris-*-* | crisv32-*-*)
-    libgcj_ex_libffi=`echo ${libgcj} | sed -e 's/target-libffi//'`
+    unsupported_languages="$unsupported_languages java"
     case "${target}" in
       *-*-aout)
-       noconfigdirs="$noconfigdirs ${libgcj}";;
+       unsupported_languages="$unsupported_languages f95"
+       noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
       *-*-elf)
-       noconfigdirs="$noconfigdirs ${libgcj_ex_libffi}";;
+       unsupported_languages="$unsupported_languages f95"
+       noconfigdirs="$noconfigdirs target-boehm-gc";;
       *-*-linux*)
-       noconfigdirs="$noconfigdirs ${libgcj_ex_libffi} target-newlib target-libgloss";;
+       noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
       *)
+       unsupported_languages="$unsupported_languages f95"
        noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
     esac
     ;;
@@ -1422,7 +1446,8 @@ case "${target}" in
     noconfigdirs="$noconfigdirs target-libstdc++-v3"
     ;;
   mmix-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss target-libgfortran"
+    noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
+    unsupported_languages="$unsupported_languages f95 java"
     ;;
   mn10200-*-*)
     noconfigdirs="$noconfigdirs ${libgcj}"
@@ -1781,7 +1806,7 @@ 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:1785: checking for $ac_word" >&5
+echo "configure:1810: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1811,7 +1836,7 @@ if test -z "$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:1815: checking for $ac_word" >&5
+echo "configure:1840: 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
@@ -1862,7 +1887,7 @@ 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:1866: checking for $ac_word" >&5
+echo "configure:1891: 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
@@ -1894,7 +1919,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1898: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1923: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1905,12 +1930,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1909 "configure"
+#line 1934 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1914: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1939: \"$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
@@ -1936,12 +1961,12 @@ 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""... $ac_c" 1>&6
-echo "configure:1940: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1965: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:1945: checking whether we are using GNU C" >&5
+echo "configure:1970: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1950,7 +1975,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1954: \"$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:1979: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1969,7 +1994,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1973: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1998: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2036,7 +2061,7 @@ fi
 # Extract the first word of "${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:2040: checking for $ac_word" >&5
+echo "configure:2065: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_GNATBIND'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2068,7 +2093,7 @@ if test -n "$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:2072: checking for $ac_word" >&5
+echo "configure:2097: 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
@@ -2101,7 +2126,7 @@ fi
 fi
 
 echo $ac_n "checking whether compiler driver understands Ada""... $ac_c" 1>&6
-echo "configure:2105: checking whether compiler driver understands Ada" >&5
+echo "configure:2130: checking whether compiler driver understands Ada" >&5
 if eval "test \"`echo '$''{'acx_cv_cc_gcc_supports_ada'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2133,7 +2158,7 @@ else
 fi
 
 echo $ac_n "checking how to compare bootstrapped objects""... $ac_c" 1>&6
-echo "configure:2137: checking how to compare bootstrapped objects" >&5
+echo "configure:2162: checking how to compare bootstrapped objects" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2231,9 +2256,9 @@ saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS $gmpinc"
 # Check GMP actually works
 echo $ac_n "checking for correct version of gmp.h""... $ac_c" 1>&6
-echo "configure:2235: checking for correct version of gmp.h" >&5
+echo "configure:2260: checking for correct version of gmp.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2237 "configure"
+#line 2262 "configure"
 #include "confdefs.h"
 #include "gmp.h"
 int main() {
@@ -2244,7 +2269,7 @@ choke me
 
 ; return 0; }
 EOF
-if { (eval echo configure:2248: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2273: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -2257,12 +2282,12 @@ rm -f conftest*
 
 if test x"$have_gmp" = xyes; then
   echo $ac_n "checking for MPFR""... $ac_c" 1>&6
-echo "configure:2261: checking for MPFR" >&5
+echo "configure:2286: checking for MPFR" >&5
 
   saved_LIBS="$LIBS"
   LIBS="$LIBS $gmplibs"
   cat > conftest.$ac_ext <<EOF
-#line 2266 "configure"
+#line 2291 "configure"
 #include "confdefs.h"
 #include <gmp.h>
 #include <mpfr.h>
@@ -2270,7 +2295,7 @@ int main() {
 mpfr_t n; mpfr_init(n);
 ; return 0; }
 EOF
-if { (eval echo configure:2274: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2299: \"$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
@@ -2403,7 +2428,14 @@ if test -d ${srcdir}/gcc; then
             add_this_lang=no
             ;;
         esac
-        
+
+       # Disable a language that is unsupported by the target.
+       case " $unsupported_languages " in
+         *" $language "*)
+           add_this_lang=no
+           ;;
+       esac
+
        case $add_this_lang in
          no)
             # Remove language-dependent dirs.
@@ -2757,7 +2789,7 @@ do
 # Extract the first word of "$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:2761: checking for $ac_word" >&5
+echo "configure:2793: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_BISON'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2792,7 +2824,7 @@ do
 # Extract the first word of "$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:2796: checking for $ac_word" >&5
+echo "configure:2828: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2827,7 +2859,7 @@ do
 # Extract the first word of "$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:2831: checking for $ac_word" >&5
+echo "configure:2863: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_M4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2862,7 +2894,7 @@ do
 # Extract the first word of "$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:2866: checking for $ac_word" >&5
+echo "configure:2898: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_FLEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2897,7 +2929,7 @@ do
 # Extract the first word of "$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:2901: checking for $ac_word" >&5
+echo "configure:2933: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2932,7 +2964,7 @@ do
 # Extract the first word of "$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:2936: checking for $ac_word" >&5
+echo "configure:2968: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_MAKEINFO'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3539,7 +3571,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
   # Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3543: checking for $ac_word" >&5
+echo "configure:3575: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3572,7 +3604,7 @@ if test -z "$ac_cv_prog_AR" ; 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:3576: checking for $ac_word" >&5
+echo "configure:3608: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3611,7 +3643,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3615: checking for $ac_word" >&5
+echo "configure:3647: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3644,7 +3676,7 @@ if test -z "$ac_cv_prog_AS" ; 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:3648: checking for $ac_word" >&5
+echo "configure:3680: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3683,7 +3715,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3687: checking for $ac_word" >&5
+echo "configure:3719: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3716,7 +3748,7 @@ if test -z "$ac_cv_prog_DLLTOOL" ; 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:3720: checking for $ac_word" >&5
+echo "configure:3752: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3755,7 +3787,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3759: checking for $ac_word" >&5
+echo "configure:3791: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3788,7 +3820,7 @@ if test -z "$ac_cv_prog_LD" ; 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:3792: checking for $ac_word" >&5
+echo "configure:3824: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3827,7 +3859,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3831: checking for $ac_word" >&5
+echo "configure:3863: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3860,7 +3892,7 @@ if test -z "$ac_cv_prog_NM" ; 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:3864: checking for $ac_word" >&5
+echo "configure:3896: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3899,7 +3931,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3903: checking for $ac_word" >&5
+echo "configure:3935: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3932,7 +3964,7 @@ if test -z "$ac_cv_prog_RANLIB" ; 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:3936: checking for $ac_word" >&5
+echo "configure:3968: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3971,7 +4003,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3975: checking for $ac_word" >&5
+echo "configure:4007: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4004,7 +4036,7 @@ if test -z "$ac_cv_prog_WINDRES" ; 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:4008: checking for $ac_word" >&5
+echo "configure:4040: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4043,7 +4075,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4047: checking for $ac_word" >&5
+echo "configure:4079: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4076,7 +4108,7 @@ if test -z "$ac_cv_prog_OBJCOPY" ; then
     # Extract the first word of "objcopy", so it can be a program name with args.
 set dummy objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4080: checking for $ac_word" >&5
+echo "configure:4112: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4115,7 +4147,7 @@ fi
   # Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args.
 set dummy ${ncn_tool_prefix}objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4119: checking for $ac_word" >&5
+echo "configure:4151: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4148,7 +4180,7 @@ if test -z "$ac_cv_prog_OBJDUMP" ; 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:4152: checking for $ac_word" >&5
+echo "configure:4184: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4194,7 +4226,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4198: checking for $ac_word" >&5
+echo "configure:4230: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4227,7 +4259,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4231: checking for $ac_word" >&5
+echo "configure:4263: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4266,7 +4298,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4270: checking for $ac_word" >&5
+echo "configure:4302: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4299,7 +4331,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4303: checking for $ac_word" >&5
+echo "configure:4335: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4338,7 +4370,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4342: checking for $ac_word" >&5
+echo "configure:4374: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4371,7 +4403,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4375: checking for $ac_word" >&5
+echo "configure:4407: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4410,7 +4442,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4414: checking for $ac_word" >&5
+echo "configure:4446: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4443,7 +4475,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4447: checking for $ac_word" >&5
+echo "configure:4479: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4482,7 +4514,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4486: checking for $ac_word" >&5
+echo "configure:4518: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4515,7 +4547,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4519: checking for $ac_word" >&5
+echo "configure:4551: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4554,7 +4586,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4558: checking for $ac_word" >&5
+echo "configure:4590: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4587,7 +4619,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4591: checking for $ac_word" >&5
+echo "configure:4623: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4626,7 +4658,7 @@ fi
   # Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args.
 set dummy ${ncn_target_tool_prefix}windres; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4630: checking for $ac_word" >&5
+echo "configure:4662: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4659,7 +4691,7 @@ if test -z "$ac_cv_prog_CONFIGURED_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:4663: checking for $ac_word" >&5
+echo "configure:4695: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_CONFIGURED_WINDRES_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4744,7 +4776,7 @@ RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:4748: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:4780: checking whether to enable maintainer-specific portions of Makefiles" >&5
 # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -4791,7 +4823,7 @@ esac
 # gcc for stageN-gcc and stagePREV-gcc for stage(N-1).  In case this is not
 # possible, however, we can resort to mv.
 echo $ac_n "checking if symbolic links between directories work""... $ac_c" 1>&6
-echo "configure:4795: checking if symbolic links between directories work" >&5
+echo "configure:4827: checking if symbolic links between directories work" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_ln_s_dir'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else