From: Roland McGrath <roland@hack.frob.com>
Date: Wed, 22 Aug 2012 19:53:38 +0000 (-0700)
Subject: Fix libc-start change for IRELless machines.
X-Git-Tag: upstream/2.16.90~628
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=35a5b08bd4a5fc34d171480f32b9a235a94ff692;p=platform%2Fupstream%2Fglibc.git

Fix libc-start change for IRELless machines.
---

diff --git a/ChangeLog b/ChangeLog
index 5c2aea1..fbaadca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-22  Roland McGrath  <roland@hack.frob.com>
+
+	* csu/libc-start.c (apply_irel): Move extern declarations inside here.
+	Conditionalize whole body on [IREL].
+
 2012-08-22  Jeff Law <law@redhat.com>
 
 	[BZ #14505]
diff --git a/csu/libc-start.c b/csu/libc-start.c
index 7e541d4..e335b64 100644
--- a/csu/libc-start.c
+++ b/csu/libc-start.c
@@ -62,18 +62,19 @@ uintptr_t __stack_chk_guard attribute_relro;
 #  define IREL		elf_irel
 # endif
 
-/* We use weak references for these so that we'll still work with a linker
-   that doesn't define them.  Such a linker doesn't support IFUNC at all
-   and so uses won't work, but a statically-linked program that doesn't
-   use any IFUNC symbols won't have a problem.  */
-extern const IREL_T IPLT_START[] __attribute__ ((weak));
-extern const IREL_T IPLT_END[] __attribute__ ((weak));
-
 static void
 apply_irel (void)
 {
+# ifdef IREL
+  /* We use weak references for these so that we'll still work with a linker
+     that doesn't define them.  Such a linker doesn't support IFUNC at all
+     and so uses won't work, but a statically-linked program that doesn't
+     use any IFUNC symbols won't have a problem.  */
+  extern const IREL_T IPLT_START[] __attribute__ ((weak));
+  extern const IREL_T IPLT_END[] __attribute__ ((weak));
   for (const IREL_T *ipltent = IPLT_START; ipltent < IPLT_END; ++ipltent)
     IREL (ipltent);
+# endif
 }
 #endif