From f244bfc5f8a938d61567b0d78eeac35cd757f0d9 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 9 Mar 2015 13:18:35 +0100
Subject: posix: Install <semaphore.h> only if not provided

---
 cpukit/configure.ac | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'cpukit/configure.ac')

diff --git a/cpukit/configure.ac b/cpukit/configure.ac
index 2b16964ac1..00580824a0 100644
--- a/cpukit/configure.ac
+++ b/cpukit/configure.ac
@@ -136,6 +136,9 @@ AC_CHECK_HEADERS([tar.h errno.h sched.h sys/cdefs.h sys/queue.h],,
 AS_IF([test -n "$rtems_missing_header"],
   AC_MSG_ERROR([Missing required header $rtems_missing_header])])
 
+AC_CHECK_HEADERS([semaphore.h])
+AM_CONDITIONAL([HAVE_SEMAPHORE_H],[test x"$ac_cv_header_semaphore_h" = x"yes"])
+
 ## error out if libc doesn't provide stdint.h
 AS_IF([test x"${ac_cv_header_stdint_h}" != xyes],
 [AC_MSG_ERROR([Required header stdint.h not found])])
-- 
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