diff --git a/src/rrd_gfx.c b/src/rrd_gfx.c
index 724a0747fafee1b354ddafb9d8f8c65aacdbfe46..405291b345f3303a7c91790885c4ea07b81f6179 100644 (file)
--- a/src/rrd_gfx.c
+++ b/src/rrd_gfx.c
#include <png.h>
#include <ft2build.h>
#include FT_FREETYPE_H
+#include <math.h>
#include "rrd_gfx.h"