--- ./dlls/d3dx9_36/mesh.c.orig
+++ ./dlls/d3dx9_36/mesh.c
@@ -40,6 +40,18 @@
 #include "wine/list.h"
 #include "d3dx9_36_private.h"
 
+#ifdef __UCLIBC__
+float fmaxf(float a, float b)
+{
+	return (a > b) ? a : b;
+}
+
+float fminf(float a, float b)
+{
+	return (a < b) ? a : b;
+}
+#endif
+
 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
 
 typedef struct ID3DXMeshImpl