From b1ce1e6bfbb65cca3230762cf99d4c0775561781 Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@sun.com>
Date: Sat, 16 Jan 2010 19:28:50 -0800
Subject: Add support for Solaris libc atomic operations

Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index b257ccf6..49e193e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -186,6 +186,12 @@ if test "x$INTEL" != "xno"; then
 		    AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
 	    fi
 
+	    # atomic functions defined in <atomic.h> & libc on Solaris
+	    if test "x$drm_cv_atomic_primitives" = "xnone"; then
+		    AC_CHECK_FUNC([atomic_cas_uint],
+				  drm_cv_atomic_primitives="Solaris")
+	    fi
+
     ])
     if test "x$drm_cv_atomic_primitives" = xIntel; then
 	    AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
-- 
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