parse-options: add new function "usage_msg_opt"

diff --git a/git-compat-util.h b/git-compat-util.h
index c7cf2d5d9cdbfd4ed20c8b8ea49a36af7c138a4e..4236647c91a6ec554b03b1f238630a77444e6190 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -41,8 +41,10 @@
 
 #if !defined(__APPLE__) && !defined(__FreeBSD__)  && !defined(__USLC__) && !defined(_M_UNIX)
 #define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
+#ifndef __sun__
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #endif
+#endif
 #define _ALL_SOURCE 1
 #define _GNU_SOURCE 1
 #define _BSD_SOURCE 1