re PR lto/48086 (bootstrap-lto creates c-common.s with too many sections on x86_64-apple-darwin10)

2011-03-13  Jack Howarth  <howarth@bromo.med.uc.edu>

	    PR lto/48086
	    * configure.ac: Disable LTO on darwin due to an assembler change in
	    Xcode 3.2.6/4.0 that limits the total number of sections/segments to
	    under 256.
	    * configure: Regenerate.

From-SVN: r170929

ChangeLog

+2011-03-13  Jack Howarth  <howarth@bromo.med.uc.edu>
+
+	PR lto/48086
+	* configure.ac: Disable LTO on darwin due to an assembler change in
+	Xcode 3.2.6/4.0 that limits the total number of sections/segments to
+	under 256.
+	* configure: Regenerate.
+
 2011-03-11  Chen Liqin <liqin.gcc@gmail.com>
 
 	* MAINTAINERS: Update myself as score backend maintainer, update my e-mail address.

configure

@@ -6206,7 +6206,7 @@ if test $target_elf = yes; then :
 else
   if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin* | *-cygwin* | *-mingw*) ;;
+      *-cygwin* | *-mingw*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac

configure.ac

@@ -1743,7 +1743,7 @@ ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
   build_lto_plugin=yes
 ],[if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin* | *-cygwin* | *-mingw*) ;;
+      *-cygwin* | *-mingw*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac