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-rw-r--r--src/mesa/main/texenvprogram.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index d5343d44db4..b4923e904db 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -83,8 +83,8 @@ texenv_doing_secondary_color(GLcontext *ctx)
struct mode_opt {
#ifdef __GNUC__
- GLubyte Source:4; /**< SRC_x */
- GLubyte Operand:3; /**< OPR_x */
+ __extension__ GLubyte Source:4; /**< SRC_x */
+ __extension__ GLubyte Operand:3; /**< OPR_x */
#else
GLubyte Source; /**< SRC_x */
GLubyte Operand; /**< OPR_x */