configure.ac: Enable LTO by default on darwin >= 9.

	* configure.ac: Enable LTO by default on darwin >= 9.
	* configure: Regenerate.

From-SVN: r246396

ChangeLog

+2017-03-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	* configure.ac: Enable LTO by default on darwin >= 9.
+	* configure: Regenerate.
+
 2017-03-20  Palmer Dabbelt  <palmer@dabbelt.com>
 
 	* MAINTAINERS (CPU Port Maintainers): Add Kito Cheng, Palmer Dabbelt,

configure

@@ -6045,7 +6045,7 @@ if test $target_elf = yes; then :
 else
   if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
+      *-apple-darwin[912]* | *-cygwin* | *-mingw* | *djgpp*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac

configure.ac

@@ -1727,7 +1727,7 @@ 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-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
+      *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac