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-rw-r--r--m4/extensions.m413
1 files changed, 7 insertions, 6 deletions
diff --git a/m4/extensions.m4 b/m4/extensions.m4
index 58bc0beb..e71845f1 100644
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -1,12 +1,9 @@
# Enable extensions on systems that normally disable them.
# Copyright (C) 2003 Free Software Foundation, Inc.
-
-# This file is free software, distributed under the terms of the GNU
-# General Public License. As a special exception to the GNU General
-# Public License, this file may be distributed as part of a program
-# that contains a configuration script generated by Autoconf, under
-# the same distribution terms as the rest of that program.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
# gl_USE_SYSTEM_EXTENSIONS
# ------------------------
@@ -24,6 +21,10 @@ AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [
[/* Enable extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
+#endif
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
#endif])
AC_DEFINE([__EXTENSIONS__])
+ AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
])