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-rw-r--r--src/mesa/math/m_matrix.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/math/m_matrix.h b/src/mesa/math/m_matrix.h
index 3bc5de6cd4d..a69afb8589a 100644
--- a/src/mesa/math/m_matrix.h
+++ b/src/mesa/math/m_matrix.h
@@ -32,6 +32,8 @@
#define _M_MATRIX_H
+#include "main/glheader.h"
+
/**
* \name Symbolic names to some of the entries in the matrix