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Add x32 support to libtool.m4

	Merge upstream change
	* libtool.m4 (_LT_ENABLE_LOCK): Support x32.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187546 138bc75d-0d04-0410-961f-82ee72b054a4
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commit 07dd0175de047b9ca1d78f7908a2d1c9752b24d9 1 parent f2a4755
hjl authored
Showing with 13 additions and 1 deletion.
  1. +5 −0 ChangeLog
  2. +8 −1 libtool.m4
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5 ChangeLog
@@ -1,3 +1,8 @@
+2012-05-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ Merge upstream change
+ * libtool.m4 (_LT_ENABLE_LOCK): Support x32.
+
2012-05-14 Marc Glisse <marc.glisse@inria.fr>
* MAINTAINERS (Write After Approval): Add myself.
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9 libtool.m4
@@ -1232,7 +1232,14 @@ 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"
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