[PATCH] x86: Fix tst-ifunc-isa-* build when gcc ifunc support is not enabled

[Samuel Thibault]

---
 sysdeps/x86/tst-ifunc-isa-1.c | 17 +++++++++++++++++
 sysdeps/x86/tst-ifunc-isa-2.c | 17 +++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/sysdeps/x86/tst-ifunc-isa-1.c b/sysdeps/x86/tst-ifunc-isa-1.c
index 37d599210c..7a58591c79 100644
--- a/sysdeps/x86/tst-ifunc-isa-1.c
+++ b/sysdeps/x86/tst-ifunc-isa-1.c
@@ -16,6 +16,10 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#include <config.h>
+
+#ifdef HAVE_GCC_IFUNC
+
 #include <stdlib.h>
 #include "tst-ifunc-isa.h"
 
@@ -27,4 +31,17 @@ do_test (void)
   return value == expected ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
+#else  /* !HAVE_GCC_IFUNC */
+
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+  FAIL_UNSUPPORTED ("GCC does not support the ifunc attribute");
+  return 1;                     /* Not reachable.  */
+}
+
+#endif  /* !HAVE_GCC_IFUNC */
+
 #include <support/test-driver.c>
diff --git a/sysdeps/x86/tst-ifunc-isa-2.c b/sysdeps/x86/tst-ifunc-isa-2.c
index 0bdf7176fa..20f8724997 100644
--- a/sysdeps/x86/tst-ifunc-isa-2.c
+++ b/sysdeps/x86/tst-ifunc-isa-2.c
@@ -16,6 +16,10 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#include <config.h>
+
+#ifdef HAVE_GCC_IFUNC
+
 #include <stdlib.h>
 #include "tst-ifunc-isa.h"
 #include <support/test-driver.h>
@@ -31,4 +35,17 @@ do_test (void)
   return value == sse2 ? EXIT_SUCCESS : EXIT_FAILURE;
 }
 
+#else  /* !HAVE_GCC_IFUNC */
+
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+  FAIL_UNSUPPORTED ("GCC does not support the ifunc attribute");
+  return 1;                     /* Not reachable.  */
+}
+
+#endif  /* !HAVE_GCC_IFUNC */
+
 #include <support/test-driver.c>
-- 
2.30.2