From 390258c4f84cef6789013b36349be2569d5af7c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ralf=20Cors=C3=A9pius?= <ralf.corsepius@rtems.org>
Date: Thu, 14 Feb 2013 23:45:23 +0100
Subject: New.

---
 cpukit/aclocal/check-atomic.m4 | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 cpukit/aclocal/check-atomic.m4

diff --git a/cpukit/aclocal/check-atomic.m4 b/cpukit/aclocal/check-atomic.m4
new file mode 100644
index 0000000000..97943eb768
--- /dev/null
+++ b/cpukit/aclocal/check-atomic.m4
@@ -0,0 +1,13 @@
+dnl
+AC_DEFUN([RTEMS_CHECK_ATOMIC],
+[dnl
+AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU])dnl
+
+AC_CACHE_CHECK([whether CPU supports atomic operations],
+  [rtems_cv_ATOMIC],[
+    AS_IF(
+      [test -f "${srcdir}/score/cpu/$RTEMS_CPU/rtems/score/cpuatomic.h"],
+      [rtems_cv_ATOMIC="yes"],
+      [rtems_cv_ATOMIC="no"])
+  ])
+])
-- 
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