[rtems commit] semopen.c: Address set but unused variable warning

[Joel Sherrill]

Module:    rtems
Branch:    master
Commit:    949265991e186d7262677fa81cf17ccaa8b78cbd
Changeset: http://git.rtems.org/rtems/commit/?id=949265991e186d7262677fa81cf17ccaa8b78cbd

Author:    Joel Sherrill <joel.sherrill at oarcorp.com>
Date:      Sat Sep 21 16:17:48 2013 -0500

semopen.c: Address set but unused variable warning

---

 cpukit/posix/src/semopen.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/cpukit/posix/src/semopen.c b/cpukit/posix/src/semopen.c
index b863080..e61fad0 100644
--- a/cpukit/posix/src/semopen.c
+++ b/cpukit/posix/src/semopen.c
@@ -43,6 +43,14 @@
  *        parameters must be present.
  */
 
+/*
+ * mode is set but never used. GCC gives a warning for this
+ * and we need to tell GCC not to complain. But we have to
+ * have it because we have to work through the variable
+ * arguments to get to attr.
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
 sem_t *sem_open(
   const char *name,
   int         oflag,
@@ -137,3 +145,4 @@ return_id:
     return (sem_t *)&the_semaphore->Object.id;
   #endif
 }
+#pragma GCC diagnostic pop