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-rw-r--r--source4/lib/replace/libreplace_cc.m414
-rw-r--r--source4/lib/replace/libreplace_macros.m413
2 files changed, 16 insertions, 11 deletions
diff --git a/source4/lib/replace/libreplace_cc.m4 b/source4/lib/replace/libreplace_cc.m4
index dd06a6c0f7..2c58933a65 100644
--- a/source4/lib/replace/libreplace_cc.m4
+++ b/source4/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/source4/lib/replace/libreplace_macros.m4 b/source4/lib/replace/libreplace_macros.m4
index 6c1110dc4b..6c4cfc465d 100644
--- a/source4/lib/replace/libreplace_macros.m4
+++ b/source4/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)