* 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 e7676ca2c7f091c467028b3066dac618c08baeaf..d25fb59b2fd1766c34c928da0be1dc9adb095ecd 100644 (file)
--- 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.
+
 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
 
        * symtab.cc (Symbol::should_add_dynsym_entry) Return false for

diff --git a/gold/configure b/gold/configure
index c759b77575f564119c25e7a64911906398a865b4..1a0d47d03a0215019eb1f08cb95cb8ad96d0fbaf 100755 (executable)
--- 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 2c50d9741c6b35cd2fc7fec25295d52c60f47efd..60243d0709e69e314378c82f5d2db017337eaec6 100644 (file)
--- 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")