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PATCH: Regenerate configure files

From: "H.J. Lu" <hongjiu dot lu at intel dot com>
To: gcc-patches at gcc dot gnu dot org
Date: Wed, 16 May 2012 05:11:28 -0700
Subject: PATCH: Regenerate configure files
Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Hi,

I am checking in this patch to regenerate configure files with the
updated libtoo.m4.  libjava/libltdl and libgo aren't updated since they
have their own version of libtoo.m4.  They should be updated separately.


H.J.
----
boehm-gc/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

gcc/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libatomic/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libffi/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libgfortran/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libgomp/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libitm/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libjava/classpath/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libjava/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libmudflap/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libobjc/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libquadmath/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libssp/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

libstdc++-v3/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

lto-plugin/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

zlib/

2012-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

diff --git a/boehm-gc/configure b/boehm-gc/configure
index c76ea44..aa61053 100755
--- a/boehm-gc/configure
+++ b/boehm-gc/configure
@@ -6786,7 +6786,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -11304,7 +11311,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11307 "configure"
+#line 11314 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11410,7 +11417,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11413 "configure"
+#line 11420 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/gcc/configure b/gcc/configure
index 557a4cc7..af248e0 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -13746,7 +13746,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -17960,7 +17967,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 17963 "configure"
+#line 17970 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -18066,7 +18073,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 18069 "configure"
+#line 18076 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libatomic/configure b/libatomic/configure
index a3b819d..1d63af4 100755
--- a/libatomic/configure
+++ b/libatomic/configure
@@ -6524,7 +6520,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -11008,7 +11011,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11011 "configure"
+#line 11018 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11114,7 +11117,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11117 "configure"
+#line 11124 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libffi/configure b/libffi/configure
index 1591495..28ed513 100755
--- a/libffi/configure
+++ b/libffi/configure
@@ -6282,7 +6282,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10766,7 +10773,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10769 "configure"
+#line 10776 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10872,7 +10879,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10875 "configure"
+#line 10882 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libgfortran/configure b/libgfortran/configure
index e2db9ea..80bfe84 100755
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -8074,7 +8074,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -12321,7 +12328,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12324 "configure"
+#line 12331 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12427,7 +12434,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12430 "configure"
+#line 12437 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libgomp/configure b/libgomp/configure
index 8ed841a..418c471 100755
--- a/libgomp/configure
+++ b/libgomp/configure
@@ -6596,7 +6596,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -11080,7 +11087,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11083 "configure"
+#line 11090 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11186,7 +11193,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11189 "configure"
+#line 11196 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libitm/configure b/libitm/configure
index 8e1d19e..6495c44 100644
--- a/libitm/configure
+++ b/libitm/configure
@@ -7285,7 +7285,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -11770,7 +11777,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11773 "configure"
+#line 11780 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11876,7 +11883,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11879 "configure"
+#line 11886 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libjava/classpath/configure b/libjava/classpath/configure
index 5874086..21d0d5f 100755
--- a/libjava/classpath/configure
+++ b/libjava/classpath/configure
@@ -7592,7 +7592,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -11811,7 +11818,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11814 "configure"
+#line 11821 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11917,7 +11924,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11920 "configure"
+#line 11927 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -23878,7 +23885,7 @@ else
 JAVA_TEST=Object.java
 CLASS_TEST=Object.class
 cat << \EOF > $JAVA_TEST
-/* #line 23881 "configure" */
+/* #line 23888 "configure" */
 package java.lang;
 
 public class Object
@@ -23971,7 +23978,7 @@ EOF
 if uudecode$EXEEXT Test.uue; then
         ac_cv_prog_uudecode_base64=yes
 else
-        echo "configure: 23974: uudecode had trouble decoding base 64 file 'Test.uue'" >&5
+        echo "configure: 23981: uudecode had trouble decoding base 64 file 'Test.uue'" >&5
         echo "configure: failed file was:" >&5
         cat Test.uue >&5
         ac_cv_prog_uudecode_base64=no
@@ -23999,7 +24006,7 @@ JAVA_TEST=Test.java
 CLASS_TEST=Test.class
 TEST=Test
 cat << \EOF > $JAVA_TEST
-/* [#]line 24002 "configure" */
+/* [#]line 24009 "configure" */
 public class Test {
 public static void main (String args[]) {
         System.exit (0);
@@ -24207,7 +24214,7 @@ if test "x${use_glibj_zip}" = xfalse || \
   JAVA_TEST=Test.java
   CLASS_TEST=Test.class
   cat << \EOF > $JAVA_TEST
-  /* #line 24210 "configure" */
+  /* #line 24217 "configure" */
   public class Test
   {
     public static void main(String args)
diff --git a/libjava/configure b/libjava/configure
index 43fd51f..655179a 100755
--- a/libjava/configure
+++ b/libjava/configure
@@ -8842,7 +8842,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -13358,7 +13365,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 13361 "configure"
+#line 13368 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13464,7 +13471,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 13467 "configure"
+#line 13474 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -19457,7 +19464,7 @@ if test "${enable_sjlj_exceptions+set}" = set; then :
   enableval=$enable_sjlj_exceptions; :
 else
   cat > conftest.$ac_ext << EOF
-#line 19460 "configure"
+#line 19467 "configure"
 struct S { ~S(); };
 void bar();
 void foo()
diff --git a/libmudflap/configure b/libmudflap/configure
index f1c74a1..1a76202 100755
--- a/libmudflap/configure
+++ b/libmudflap/configure
@@ -6393,7 +6393,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10607,7 +10614,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10610 "configure"
+#line 10617 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10713,7 +10720,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10716 "configure"
+#line 10723 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libobjc/configure b/libobjc/configure
index 2807d73..5028c28 100755
--- a/libobjc/configure
+++ b/libobjc/configure
@@ -6072,7 +6072,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10587,7 +10594,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10590 "configure"
+#line 10597 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10693,7 +10700,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10696 "configure"
+#line 10703 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11464,7 +11471,7 @@ if test "${enable_sjlj_exceptions+set}" = set; then :
   enableval=$enable_sjlj_exceptions; :
 else
   cat > conftest.$ac_ext << EOF
-#line 11467 "configure"
+#line 11474 "configure"
 @interface Frob
 @end
 @implementation Frob
diff --git a/libquadmath/configure b/libquadmath/configure
index 9d97933..e5c3de6 100755
--- a/libquadmath/configure
+++ b/libquadmath/configure
@@ -6264,7 +6264,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10513,7 +10520,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10516 "configure"
+#line 10523 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10619,7 +10626,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10622 "configure"
+#line 10629 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libssp/configure b/libssp/configure
index bd3f566..eba09f0 100755
--- a/libssp/configure
+++ b/libssp/configure
@@ -6401,7 +6401,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10650,7 +10657,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10653 "configure"
+#line 10660 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10756,7 +10763,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10759 "configure"
+#line 10766 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index e0af9c8..2da417e 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -7119,7 +7119,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -11497,7 +11504,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11500 "configure"
+#line 11507 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11603,7 +11610,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11606 "configure"
+#line 11613 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14961,7 +14968,7 @@ fi
     #
     # Fake what AC_TRY_COMPILE does.  XXX Look at redoing this new-style.
     cat > conftest.$ac_ext << EOF
-#line 14964 "configure"
+#line 14971 "configure"
 struct S { ~S(); };
 void bar();
 void foo()
@@ -15296,7 +15303,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
   # Fake what AC_TRY_COMPILE does.
 
     cat > conftest.$ac_ext << EOF
-#line 15299 "configure"
+#line 15306 "configure"
 int main()
 {
   typedef bool atomic_type;
@@ -15331,7 +15338,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 15334 "configure"
+#line 15341 "configure"
 int main()
 {
   typedef short atomic_type;
@@ -15366,7 +15373,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 15369 "configure"
+#line 15376 "configure"
 int main()
 {
   // NB: _Atomic_word not necessarily int.
@@ -15402,7 +15409,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 15405 "configure"
+#line 15412 "configure"
 int main()
 {
   typedef long long atomic_type;
@@ -15481,7 +15488,7 @@ $as_echo "$as_me: WARNING: Performance of certain classes will degrade as a resu
   # unnecessary for this test.
 
     cat > conftest.$ac_ext << EOF
-#line 15484 "configure"
+#line 15491 "configure"
 int main()
 {
   _Decimal32 d1;
@@ -15523,7 +15530,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
   # unnecessary for this test.
 
     cat > conftest.$ac_ext << EOF
-#line 15526 "configure"
+#line 15533 "configure"
 template<typename T1, typename T2>
   struct same
   { typedef T2 type; };
@@ -15557,7 +15564,7 @@ $as_echo "$enable_int128" >&6; }
     rm -f conftest*
 
     cat > conftest.$ac_ext << EOF
-#line 15560 "configure"
+#line 15567 "configure"
 template<typename T1, typename T2>
   struct same
   { typedef T2 type; };
diff --git a/lto-plugin/configure b/lto-plugin/configure
index 7f1ade1..bd7e75e 100755
--- a/lto-plugin/configure
+++ b/lto-plugin/configure
@@ -6060,7 +6060,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10544,7 +10551,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10547 "configure"
+#line 10554 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10650,7 +10657,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10653 "configure"
+#line 10660 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/zlib/configure b/zlib/configure
index f7fe2b7..478bef3 100755
--- a/zlib/configure
+++ b/zlib/configure
@@ -5869,7 +5869,14 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
 	    LD="${LD-ld} -m elf_i386_fbsd"
 	    ;;
 	  x86_64-*linux*)
-	    LD="${LD-ld} -m elf_i386"
+	    case `/usr/bin/file conftest.o` in
+	      *x86-64*)
+		LD="${LD-ld} -m elf32_x86_64"
+		;;
+	      *)
+		LD="${LD-ld} -m elf_i386"
+		;;
+	    esac
 	    ;;
 	  ppc64-*linux*|powerpc64-*linux*)
 	    LD="${LD-ld} -m elf32ppclinux"
@@ -10386,7 +10393,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10389 "configure"
+#line 10396 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10492,7 +10499,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10495 "configure"
+#line 10502 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
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