1 files changed, 13 insertions, 0 deletions
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index c25a02e8552..5fd01c2f8ef 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -29,6 +29,19 @@
  */
 
 
+/*
+ * XXX: MSVC takes forever to compile this module for x86_64 unless we disable
+ * this global optimization.
+ *
+ * See also:
+ * - http://msdn.microsoft.com/en-us/library/1yk3ydd7.aspx
+ * - http://msdn.microsoft.com/en-us/library/chh3fb0k.aspx
+ */
+#if defined(_MSC_VER) && defined(_M_X64)
+#  pragma optimize( "g", off )
+#endif
+
+
 #include "glheader.h"
 #include "colormac.h"
 #include "enums.h"