x86: Add support to build strcmp/strlen/strchr with explicit ISA level

[thirdparty/glibc.git] / sysdeps / x86_64 / multiarch / strchr-sse2.S

diff --git a/sysdeps/x86_64/multiarch/strchr-sse2.S b/sysdeps/x86_64/multiarch/strchr-sse2.S
index f7767ca543684d5da89f5b44d01da0b3e5cc7379..7a182f0c3be0b780126fc5049a9d9d618daa28b5 100644 (file)
--- a/sysdeps/x86_64/multiarch/strchr-sse2.S
+++ b/sysdeps/x86_64/multiarch/strchr-sse2.S
@@ -16,7 +16,12 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#if IS_IN (libc) || defined STRCHR
+#include <isa-level.h>
+
+/* MINIMUM_X86_ISA_LEVEL <= 2 because there is no V2 implementation
+   so we need this to build for ISA V2 builds. */
+#if ISA_SHOULD_BUILD (2)
+
 # ifndef STRCHR
 #  define STRCHR __strchr_sse2
 # endif