From d85e68e2d310a5646e4e71a06edf2b21b1d18688 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 25 Mar 2015 13:16:56 +0000
Subject: [PATCH] sna: Add include <alloca.h> for compiling on Solaris

Reported-by: Richard Palo <richard@netbsd.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89762
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 configure.ac          | 2 +-
 src/sna/sna_display.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 9aadc73e..1bb64fc7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -416,7 +416,7 @@ AC_ARG_ENABLE(sna,
 	      [SNA="$enableval"],
 	      [SNA=auto])
 
-AC_CHECK_HEADERS([dev/wscons/wsconsio.h])
+AC_CHECK_HEADERS([dev/wscons/wsconsio.h alloca.h])
 
 if test "x$SNA" != "xno"; then
 	AC_DEFINE(USE_SNA, 1, [Enable SNA support])
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index 3ea34368..cee4a726 100644
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -40,6 +40,10 @@
 #include <poll.h>
 #include <ctype.h>
 
+#if HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+
 #include "sna.h"
 #include "sna_reg.h"
 #include "fb/fbpict.h"