From d37fc315325c93414ce0942d28f0f47b42873b95 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 13 Sep 2006 22:31:25 +0000
Subject: [PATCH] r18488: we have to make sure any extensions flags also make
 it into confdefs.h, otherwise the real build and the configure tests will not
 be significant

this change fixes the build of libreplace on hpux with gcc
---
 source/lib/replace/libreplace_cc.m4     | 14 +++-----------
 source/lib/replace/libreplace_macros.m4 | 13 +++++++++++++
 2 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/source/lib/replace/libreplace_cc.m4 b/source/lib/replace/libreplace_cc.m4
index dd06a6c0f7c..2c58933a650 100644
--- a/source/lib/replace/libreplace_cc.m4
+++ b/source/lib/replace/libreplace_cc.m4
@@ -45,17 +45,9 @@ AC_C_INLINE
 AC_C_BIGENDIAN
 AC_PROG_INSTALL
 
-AH_VERBATIM([_XOPEN_SOURCE_EXTENDED],
-[/* Enable XOPEN extensions on systems that have them.  */
-#ifndef _XOPEN_SOURCE_EXTENDED
-# define _XOPEN_SOURCE_EXTENDED 1
-#endif])
-
-AH_VERBATIM([_OSF_SOURCE],
-[/* Enable OSF extensions on systems that have them.  */
-#ifndef _OSF_SOURCE
-# define _OSF_SOURCE 1
-#endif])
+
+AC_EXTENSION_FLAG(_XOPEN_SOURCE_EXTENDED)
+AC_EXTENSION_FLAG(_OSF_SOURCE)
 
 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not supported])])
 
diff --git a/source/lib/replace/libreplace_macros.m4 b/source/lib/replace/libreplace_macros.m4
index 6c1110dc4b0..6c4cfc465d2 100644
--- a/source/lib/replace/libreplace_macros.m4
+++ b/source/lib/replace/libreplace_macros.m4
@@ -87,6 +87,19 @@ fi
 rm -f conftest*
 ])])
 
+AC_DEFUN([AC_EXTENSION_FLAG],
+[
+  cat >>confdefs.h <<\EOF
+#ifndef $1
+# define $1
+#endif
+EOF
+AH_VERBATIM([$1], [#ifndef $1
+# define $1
+#endif])
+])
+
+
 dnl see if a declaration exists for a function or variable
 dnl defines HAVE_function_DECL if it exists
 dnl AC_HAVE_DECL(var, includes)
-- 
2.11.4.GIT