From b858257ca698e2f7dd3004299ae91d3687ae1f1b Mon Sep 17 00:00:00 2001
From: José Fonseca <jfonseca@vmware.com>
Date: Mon, 5 Oct 2009 18:32:36 +0100
Subject: gdi: Fix the build when llvmpipe is requested (the default) but llvm
 is not present.

---
 src/gallium/winsys/gdi/SConscript | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/gallium/winsys/gdi/SConscript b/src/gallium/winsys/gdi/SConscript
index f5e6d36d89..8f556daf04 100644
--- a/src/gallium/winsys/gdi/SConscript
+++ b/src/gallium/winsys/gdi/SConscript
@@ -18,14 +18,20 @@ if env['platform'] == 'windows':
         'ws2_32',
     ])
 
-    if 'llvmpipe' in env['drivers']:
-        sources = ['gdi_llvmpipe_winsys.c']
-        drivers = [llvmpipe]
-        env.Tool('llvm')
-    elif 'softpipe' in env['drivers']:
+    sources = []
+    drivers = []
+
+    if 'softpipe' in env['drivers']:
         sources = ['gdi_softpipe_winsys.c']
         drivers = [softpipe]
-    else:
+
+    if 'llvmpipe' in env['drivers']:
+        env.Tool('llvm')
+        if 'LLVM_VERSION' in env:
+            sources = ['gdi_llvmpipe_winsys.c']
+            drivers = [llvmpipe]
+
+    if not sources or not drivers:
         print 'warning: softpipe or llvmpipe not selected, gdi winsys disabled'
         Return()
     
-- 
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