Merge branch-2-1

[netatalk.git] / include / atalk / adouble.h

diff --git a/include/atalk/adouble.h b/include/atalk/adouble.h
index 1769c7b9612bb1a634ef4408718d64212f796c25..53337c789f113a27c25c6c3436affedc89b4019e 100644 (file)
--- a/include/atalk/adouble.h
+++ b/include/atalk/adouble.h
@@ -56,11 +56,10 @@
   need _XOPEN_SOURCE defined for pread.
 */
 #if defined(HAVE_PREAD) && !defined(SOLARIS) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__) && !defined(TRU64)
-#ifdef _XOPEN_SOURCE
-#undef _XOPEN_SOURCE
-#endif
+#ifndef _XOPEN_SOURCE
 #define _XOPEN_SOURCE 500
 #endif
+#endif
 
 #include <sys/types.h>
 #include <sys/stat.h>