[rtems commit] Add RTEMS_CHECK_ATOMIC, RTEMS_CPUOPT([RTEMS_ATOMIC]), AM_CONDITIONAL ATOMIC.

[Ralf Corsepius]

Module:    rtems
Branch:    master
Commit:    a718918fbaf4e230551fd7a2e48b12558643b847
Changeset: http://git.rtems.org/rtems/commit/?id=a718918fbaf4e230551fd7a2e48b12558643b847

Author:    Ralf Corsépius <ralf.corsepius at rtems.org>
Date:      Thu Feb 14 23:35:33 2013 +0100

Add RTEMS_CHECK_ATOMIC, RTEMS_CPUOPT([RTEMS_ATOMIC]), AM_CONDITIONAL ATOMIC.

---

 cpukit/configure.ac |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/cpukit/configure.ac b/cpukit/configure.ac
index e3c4dd4..f0bbfac 100644
--- a/cpukit/configure.ac
+++ b/cpukit/configure.ac
@@ -149,6 +149,7 @@ RTEMS_CHECK_MULTIPROCESSING
 RTEMS_CHECK_POSIX_API
 RTEMS_CHECK_NETWORKING
 RTEMS_CHECK_SMP
+RTEMS_CHECK_ATOMIC
 
 rtems_major=`echo _RTEMS_VERSION | sed "s/\..*//"`
 rtems_minor=`echo _RTEMS_VERSION | sed "s/[[0-9]][[0-9]]*\.//;s/\..*//"`
@@ -186,6 +187,11 @@ RTEMS_CPUOPT([RTEMS_NETWORKING],
   [1],
   [if networking is enabled])
 
+RTEMS_CPUOPT([RTEMS_ATOMIC],
+  [test x"$rtems_cv_ATOMIC" = xyes],
+  [1],
+  [if cpu supports atomic operations])
+
 RTEMS_CPUOPT([RTEMS_VERSION],
   [true],
   ["]_RTEMS_VERSION["],
@@ -304,6 +310,7 @@ AM_CONDITIONAL(HAS_SMP,[test "$RTEMS_HAS_SMP" = "yes"])
 
 AM_CONDITIONAL(HAS_PTHREADS,test x"$rtems_cv_HAS_POSIX_API" = x"yes")
 AM_CONDITIONAL(LIBNETWORKING,test x"$rtems_cv_HAS_NETWORKING" = x"yes")
+AM_CONDITIONAL([ATOMIC],[test x"$rtems_cv_ATOMIC" = x"yes"])
 
 AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"])
 AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"])