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-rw-r--r--mesalib/src/glu/sgi/libtess/normal.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mesalib/src/glu/sgi/libtess/normal.c b/mesalib/src/glu/sgi/libtess/normal.c
index 7ab83167b..9a3bd43d3 100644
--- a/mesalib/src/glu/sgi/libtess/normal.c
+++ b/mesalib/src/glu/sgi/libtess/normal.c
@@ -39,8 +39,12 @@
#include <math.h>
#include <assert.h>
+#ifndef TRUE
#define TRUE 1
+#endif
+#ifndef FALSE
#define FALSE 0
+#endif
#define Dot(u,v) (u[0]*v[0] + u[1]*v[1] + u[2]*v[2])