Don't enable IFUNC by default for Android and uclibc

	* config.gcc (default_gnu_indirect_function): Set to yes
	for i[34567]86-*-linux* and x86_64-*-linux* if not targeting
	Android nor uclibc.

From-SVN: r217575

gcc/ChangeLog

+2014-11-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config.gcc (default_gnu_indirect_function): Set to yes
+	for i[34567]86-*-linux* and x86_64-*-linux* if not targeting
+	Android nor uclibc.
+
 2014-11-14  Felix Yang  <felix.yang@huawei.com>
 	    Jiji Jiang  <jiangjiji@huawei.com>
 

gcc/config.gcc

@@ -1404,8 +1404,14 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i
 	i[34567]86-*-linux*)
 		tm_file="${tm_file} linux.h linux-android.h"
 		extra_options="${extra_options} linux-android.opt"
-		# Assume modern glibc
-		default_gnu_indirect_function=yes
+		# Assume modern glibc if not targeting Android nor uclibc.
+		case ${target} in
+		*-*-*android*|*-*-*uclibc*)
+		  ;;
+		*)
+		  default_gnu_indirect_function=yes
+		  ;;
+		esac
 		if test x$enable_targets = xall; then
 			tm_file="${tm_file} i386/x86-64.h i386/gnu-user-common.h i386/gnu-user64.h i386/linux-common.h i386/linux64.h"
 			tm_defines="${tm_defines} TARGET_BI_ARCH=1"
@@ -1467,8 +1473,14 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
 	x86_64-*-linux*)
 		tm_file="${tm_file} linux.h linux-android.h i386/linux-common.h i386/linux64.h"
 		extra_options="${extra_options} linux-android.opt"
-		# Assume modern glibc
-		default_gnu_indirect_function=yes
+		# Assume modern glibc if not targeting Android nor uclibc.
+		case ${target} in
+		*-*-*android*|*-*-*uclibc*)
+		  ;;
+		*)
+		  default_gnu_indirect_function=yes
+		  ;;
+		esac
 	  	;;
 	x86_64-*-kfreebsd*-gnu)
 		tm_file="${tm_file} kfreebsd-gnu.h i386/kfreebsd-gnu64.h"