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-rw-r--r--src/glu/sgi/libtess/mesh.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/glu/sgi/libtess/mesh.c b/src/glu/sgi/libtess/mesh.c
index 95f87cdc949..36cb3a7be29 100644
--- a/src/glu/sgi/libtess/mesh.c
+++ b/src/glu/sgi/libtess/mesh.c
@@ -38,8 +38,12 @@
#include "mesh.h"
#include "memalloc.h"
+#ifndef TRUE
#define TRUE 1
+#endif
+#ifndef FALSE
#define FALSE 0
+#endif
static GLUvertex *allocVertex()
{