buildilb: Fix -msse breakage on ARM builds

Travis was broken when this patch was accepted, so this was missed. Non-x86 arches do not like the attribute(target) on main, so conditionalize the entire thing. Cc: [email protected] # v15 Signed-off-by: Jason Gunthorpe <[email protected]>
linux-rdma · Jun 11, 2018 · 7844b3f · 7844b3f
1 parent c2080f9
commit 7844b3f
Showing 1 changed file with 15 additions and 13 deletions.
diff --git a/buildlib/RDMA_EnableCStd.cmake b/buildlib/RDMA_EnableCStd.cmake
@@ -88,22 +88,24 @@ endfunction()
 
 function(RDMA_Check_SSE TO_VAR)
   set(SSE_CHECK_PROGRAM "
-    #include <string.h>
-    #if defined(__i386__)
-      #include <xmmintrin.h>
-    #endif
-    int __attribute__((target(\"sse\"))) main(int argc, char *argv[])
-    {
-        int ret = 0;
-
-        #if defined(__i386__)
+#if defined(__i386__)
+#include <string.h>
+#include <xmmintrin.h>
+int __attribute__((target(\"sse\"))) main(int argc, char *argv[])
+{
 	__m128 tmp = {};
+
 	tmp = _mm_loadl_pi(tmp, (__m64 *)&main);
 	_mm_storel_pi((__m64 *)&main, tmp);
-        ret = memchr(&tmp, 0, sizeof(tmp)) == &tmp;
-        #endif
-        return ret;
-    }")
+	return memchr(&tmp, 0, sizeof(tmp)) == &tmp;
+}
+#else
+int main(int argc, char *argv[])
+{
+	return 0;
+}
+#endif
+")
 
   CHECK_C_SOURCE_COMPILES(
     "${SSE_CHECK_PROGRAM}"