From: Noah Goldstein <goldstein.w.n@gmail.com>
Date: Thu, 30 Jun 2022 01:56:18 +0000 (-0700)
Subject: x86: Add missing IS_IN (libc) check to strncmp-sse4_2.S
X-Git-Tag: upstream/2.36~101
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96ac447d915ea5ecef3f9168cc13f4e731349a3b;p=platform%2Fupstream%2Fglibc.git

x86: Add missing IS_IN (libc) check to strncmp-sse4_2.S

Was missing to for the multiarch build rtld-strncmp-sse4_2.os was
being built and exporting symbols:

build/glibc/string/rtld-strncmp-sse4_2.os:
0000000000000000 T __strncmp_sse42

Introduced in:

commit 11ffcacb64a939c10cfc713746b8ec88837f5c4a
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Wed Jun 21 12:10:50 2017 -0700

    x86-64: Implement strcmp family IFUNC selectors in C
---

diff --git a/sysdeps/x86_64/multiarch/strncmp-sse4_2.S b/sysdeps/x86_64/multiarch/strncmp-sse4_2.S
index 9773e5f..310a6db 100644
--- a/sysdeps/x86_64/multiarch/strncmp-sse4_2.S
+++ b/sysdeps/x86_64/multiarch/strncmp-sse4_2.S
@@ -16,6 +16,8 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#define STRCMP_SSE42 __strncmp_sse42
-#define USE_AS_STRNCMP
-#include "strcmp-sse42.S"
+#if IS_IN (libc)
+# define STRCMP_SSE42 __strncmp_sse42
+# define USE_AS_STRNCMP
+# include "strcmp-sse42.S"
+#endif