From: Ian Lance Taylor <ian@airs.com>
Date: Wed, 2 Mar 2011 14:50:43 +0000 (+0000)
Subject: 	* configure.ac: Add check for gnu_indirect_function support in
X-Git-Tag: binutils-2_21_1~170
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=20cff9a878877ecc21b4be5f1da7f30507b6c968;p=thirdparty%2Fbinutils-gdb.git

	* configure.ac: Add check for gnu_indirect_function support in
	the toolchain building binutils.
	* configure: Rebuild.
---

diff --git a/gold/ChangeLog b/gold/ChangeLog
index 30943c8f19e..b66e7dd4ba4 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,9 @@
+2011-03-02  Simon Baldwin  <simonb@google.com>
+
+	* configure.ac: Add check for gnu_indirect_function support in
+	the toolchain building binutils.
+	* configure: Rebuild.
+
 2011-03-01  Ian Lance Taylor  <iant@google.com>
 
 	Backport from mainline:
diff --git a/gold/configure b/gold/configure
index c759b77575f..1a0d47d03a0 100755
--- a/gold/configure
+++ b/gold/configure
@@ -6384,6 +6384,7 @@ error
 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 11)
 error
 #endif
+__asm__(".type foo, %gnu_indirect_function");
 
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
diff --git a/gold/configure.ac b/gold/configure.ac
index 2c50d9741c6..60243d0709e 100644
--- a/gold/configure.ac
+++ b/gold/configure.ac
@@ -369,7 +369,7 @@ fi
 AC_SUBST(RANDOM_SEED_CFLAGS)
 
 dnl On GNU/Linux ifunc is supported by the dynamic linker in glibc
-dnl 2.11 or later.
+dnl 2.11 or later, and by binutils 2.20.1 or later.
 AC_CACHE_CHECK([for glibc >= 2.11], [gold_cv_lib_glibc2_11],
 [AC_COMPILE_IFELSE([
 #include <features.h>
@@ -378,6 +378,7 @@ error
 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 11)
 error
 #endif
+__asm__(".type foo, %gnu_indirect_function");
 ], [gold_cv_lib_glibc2_11=yes], [gold_cv_lib_glibc2_11=no])])
 
 AM_CONDITIONAL(IFUNC, test "$gold_cv_lib_glibc2_11" = "yes")