(asm_path): For x86_64, check if compiler is generating 32-bit code.

Rev: nettle/ChangeLog:1.67
Rev: nettle/configure.ac:1.15

ChangeLog

+2010-03-28  Niels Mller  <nisse@lysator.liu.se>
+
+	* configure.ac (asm_path): For x86_64, check if compiler is
+	generating 32-bit code.
+
 2010-03-27  Niels Mller  <nisse@lysator.liu.se>
 
 	* testsuite/hmac-test.c (test_main): Rewrote rest of tests to use

configure.ac

@@ -123,7 +123,15 @@ case "$host_cpu" in
     asm_path=x86
     ;;
   [x86_64 | amd64])
-    asm_path=x86_64
+    AC_TRY_COMPILE([
+#if defined(__i386__)
+#error 32-bit x86
+#endif
+    ], [], [
+      asm_path=x86_64
+    ], [
+      asm_path=x86
+    ])
     ;;
   *sparc*)
     AC_TRY_COMPILE([