[PATCH:x11proto] Add Sun cc 5.9 & later to compilers supporting noreturn attribute

[Alan Coopersmith]

Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
---
 Xfuncproto.h.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/Xfuncproto.h.in b/Xfuncproto.h.in
index 96a585c..0177119 100644
--- a/Xfuncproto.h.in
+++ b/Xfuncproto.h.in
@@ -117,7 +117,8 @@ in this Software without prior written authorization from The Open Group.
 # define _X_DEPRECATED
 #endif
 
-#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)
+#if (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \
+	|| (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
 # define _X_NORETURN __attribute((noreturn))
 #else
 # define _X_NORETURN
-- 
1.5.6.5