Index: gfx/thebes/src/gfxPangoFonts.cpp
===================================================================
RCS file: /cvsroot/mozilla/gfx/thebes/src/gfxPangoFonts.cpp,v
retrieving revision 1.128
diff -u -p -U 8 -r1.128 gfxPangoFonts.cpp
--- gfx/thebes/src/gfxPangoFonts.cpp	27 Jan 2008 10:27:08 -0000	1.128
+++ gfx/thebes/src/gfxPangoFonts.cpp	1 Feb 2008 20:07:47 -0000
@@ -371,24 +371,28 @@ NewPangoFontDescription(const nsAString 
 /* static */
 already_AddRefed<gfxPangoFont>
 gfxPangoFont::GetOrMakeFont(PangoFont *aPangoFont)
 {
     gfxPangoFont *font = static_cast<gfxPangoFont*>
         (g_object_get_qdata(G_OBJECT(aPangoFont), GetFontQuark()));
 
     if (!font) {
-        PangoFontDescription *desc =
-            pango_font_describe_with_absolute_size(aPangoFont);
+        // pango_font_describe_with_absolute_size requires Pango-1.14
+        PangoFontDescription *desc = pango_font_describe(aPangoFont);
+
+        PangoFcFont *fcfont = PANGO_FC_FONT(aPangoFont);
+        double size;
+        if (FcPatternGetDouble(fcfont->font_pattern, FC_PIXEL_SIZE, 0, &size)
+            != FcResultMatch)
+            size = pango_font_description_get_size(desc) / FLOAT_PANGO_SCALE;
 
         // Shouldn't actually need to take too much care about the correct
         // family or style, as size is the only thing expected to be
         // important.
-        gfxFloat size =
-            pango_font_description_get_size(desc) / FLOAT_PANGO_SCALE;
         PRUint8 style =
             PangoStyleToThebesStyle(pango_font_description_get_style(desc));
         PRUint16 weight = pango_font_description_get_weight(desc);
         NS_NAMED_LITERAL_CSTRING(langGroup, "x-unicode");
         gfxFontStyle fontStyle(style, weight, size, langGroup, 0.0,
                                PR_TRUE, PR_FALSE);
 
         // (The PangoFontDescription owns the family string)