1 files changed, 5 insertions, 0 deletions
diff --git a/source/xps/xps-gradient.c b/source/xps/xps-gradient.c
index c33352e0..02279677 100644
--- a/source/xps/xps-gradient.c
+++ b/source/xps/xps-gradient.c
@@ -1,6 +1,11 @@
 #include "mupdf/fitz.h"
 #include "xps-imp.h"
 
+#include <string.h>
+#include <math.h>
+#include <float.h>
+#include <stdlib.h>
+
 #define MAX_STOPS 256
 
 enum { SPREAD_PAD, SPREAD_REPEAT, SPREAD_REFLECT };