First version of the SOurce SDK 2013

1 files changed, 37 insertions, 0 deletions

diff --git a/mp/src/thirdparty/protobuf-2.3.0/m4/ac_system_extensions.m4 b/mp/src/thirdparty/protobuf-2.3.0/m4/ac_system_extensions.m4
new file mode 100644
index 00000000..2a1fe504
--- /dev/null
+++ b/mp/src/thirdparty/protobuf-2.3.0/m4/ac_system_extensions.m4
@@ -0,0 +1,37 @@
+dnl Provide AC_USE_SYSTEM_EXTENSIONS for old autoconf machines.

+AC_DEFUN([ACX_USE_SYSTEM_EXTENSIONS],[

+  ifdef([AC_USE_SYSTEM_EXTENSIONS],[

+    AC_USE_SYSTEM_EXTENSIONS

+  ],[

+    AC_BEFORE([$0], [AC_COMPILE_IFELSE])

+    AC_BEFORE([$0], [AC_RUN_IFELSE])

+

+    AC_REQUIRE([AC_GNU_SOURCE])

+    AC_REQUIRE([AC_AIX])

+    AC_REQUIRE([AC_MINIX])

+

+    AH_VERBATIM([__EXTENSIONS__],

+[/* Enable extensions on Solaris.  */

+#ifndef __EXTENSIONS__

+# undef __EXTENSIONS__

+#endif

+#ifndef _POSIX_PTHREAD_SEMANTICS

+# undef _POSIX_PTHREAD_SEMANTICS

+#endif

+#ifndef _TANDEM_SOURCE

+# undef _TANDEM_SOURCE

+#endif])

+    AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],

+      [ac_cv_safe_to_define___extensions__],

+      [AC_COMPILE_IFELSE(

+         [AC_LANG_PROGRAM([

+#           define __EXTENSIONS__ 1

+            AC_INCLUDES_DEFAULT])],

+         [ac_cv_safe_to_define___extensions__=yes],

+         [ac_cv_safe_to_define___extensions__=no])])

+    test $ac_cv_safe_to_define___extensions__ = yes &&

+      AC_DEFINE([__EXTENSIONS__])

+    AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])

+    AC_DEFINE([_TANDEM_SOURCE])

+  ])

+])