From 73ce7cb47406ec3e0fd56945dc66f7e258187630 Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Mon, 8 Jan 2018 17:43:45 -0800
Subject: Meson: ensure variable defined

A gallium driver is undefined if passing -Dgallium-drivers=''

Fixes: e0b037d6979b2 ("meson: Build SWR driver")
Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>
Acked-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>
---
 meson.build | 1 +
 1 file changed, 1 insertion(+)

diff --git a/meson.build b/meson.build
index 1a1d3fd69b9..77e4e894b23 100644
--- a/meson.build
+++ b/meson.build
@@ -125,6 +125,7 @@ with_gallium_imx = false
 with_gallium_i915 = false
 with_gallium_svga = false
 with_gallium_virgl = false
+with_gallium_swr = false
 _drivers = get_option('gallium-drivers')
 if _drivers == 'auto'
   if not ['darwin', 'windows'].contains(host_machine.system())
-- 
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