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-rw-r--r--src/mesa/main/querymatrix.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/main/querymatrix.c b/src/mesa/main/querymatrix.c
index ca292aa0e8..a0969f6b9f 100644
--- a/src/mesa/main/querymatrix.c
+++ b/src/mesa/main/querymatrix.c
@@ -71,7 +71,7 @@ fpclassify(double x)
}
#elif defined(__APPLE__) || defined(__CYGWIN__) || defined(__FreeBSD__) || \
- (defined(__sun) && defined(__C99FEATURES__))
+ defined(__DragonFly__) || (defined(__sun) && defined(__C99FEATURES__))
/* fpclassify is available. */