Add missing FixedToFloat defines

gfx/cairo/cairo/src/cairo-atsui-font.c

@@ -40,6 +40,16 @@
 #include "cairo.h"
 #include "cairo-quartz-private.h"
 
+/*
+ * FixedToFloat/FloatToFixed are 10.3+ SDK items - include definitions
+ * here so we can use older SDKs.
+ */
+#ifndef FixedToFloat
+#define fixed1              ((Fixed) 0x00010000L)
+#define FixedToFloat(a)     ((float)(a) / fixed1)
+#define FloatToFixed(a)     ((Fixed)((float)(a) * fixed1))
+#endif
+
 typedef struct _cairo_atsui_font_face cairo_atsui_font_face_t;
 typedef struct _cairo_atsui_font cairo_atsui_font_t;
 

gfx/cairo/mozilla-misc.patch

@@ -166,3 +166,24 @@ Index: pixman/src/fbcompose.c
  #include <math.h>
  
  // #define PIXMAN_CONVOLUTION
+Index: src/cairo-atsui-font.c
+===================================================================
+--- src/cairo-atsui-font.c.orig
++++ src/cairo-atsui-font.c
+@@ -40,6 +40,16 @@
+ #include "cairo.h"
+ #include "cairo-quartz-private.h"
+ 
++/*
++ * FixedToFloat/FloatToFixed are 10.3+ SDK items - include definitions
++ * here so we can use older SDKs.
++ */
++#ifndef FixedToFloat
++#define fixed1              ((Fixed) 0x00010000L)
++#define FixedToFloat(a)     ((float)(a) / fixed1)
++#define FloatToFixed(a)     ((Fixed)((float)(a) * fixed1))
++#endif
++
+ typedef struct _cairo_atsui_font_face cairo_atsui_font_face_t;
+ typedef struct _cairo_atsui_font cairo_atsui_font_t;
+