be nice to non-GNU compilers, and use memcmp/abort instead of __builtin_*

git-svn: trunk@4307

ChangeLog

@@ -1,3 +1,8 @@
+Wed Oct 29 22:53:21 EET 2008 (edwin)
+------------------------------------
+ * configure, configure.in: be nice to non-GNU compilers, and use
+ memcmp/abort instead of __builtin_*
+
 Wed Oct 29 21:48:03 EET 2008 (edwin)
 ------------------------------------
  * configure, configure.in, m4/acinclude.m4: Try to make a difference

configure

@@ -12592,6 +12592,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
+#include <stdlib.h>
 struct S
 {
   unsigned int *a;
@@ -12659,8 +12660,8 @@ main (void)
   unsigned int s;
   s = 23;
   bar (p, s, s + 0xa25e);
-  if (__builtin_memcmp (p, q, s) != 0)
-    __builtin_abort ();
+  if (memcmp (p, q, s) != 0)
+	abort ();
   return 0;
 }
 

configure.in

@@ -263,6 +263,7 @@ dnl gcc 4.1.3 is OK. This bug occurs only at -O3.
 AC_MSG_CHECKING([for gcc bug PR37573])
 AC_TRY_RUN(
 	   [
+#include <stdlib.h>
 struct S
 {
   unsigned int *a;
@@ -330,8 +331,8 @@ main (void)
   unsigned int s;
   s = 23;
   bar (p, s, s + 0xa25e);
-  if (__builtin_memcmp (p, q, s) != 0)
-    __builtin_abort ();
+  if (memcmp (p, q, s) != 0)
+	abort ();
   return 0;
 }