omit many things in freetype

premake/freetype/premake5.lua

@@ -6,25 +6,9 @@ project "freetype"
 
     files { "src/autofit/autofit.c",
             "src/base/ftbase.c",
-            "src/base/ftbbox.c",
-            "src/base/ftbdf.c",
             "src/base/ftbitmap.c",
-            "src/base/ftcid.c",
-            "src/base/ftfstype.c",
-            "src/base/ftgasp.c",
-            "src/base/ftglyph.c",
-            "src/base/ftgxval.c",
             "src/base/ftinit.c",
-            "src/base/ftmm.c",
-            "src/base/ftotval.c",
-            "src/base/ftpatent.c",
-            "src/base/ftpfr.c",
-            "src/base/ftstroke.c",
-            "src/base/ftsynth.c",
-            "src/base/fttype1.c",
-            "src/base/ftwinfnt.c",
             "src/bdf/bdf.c",
-            "src/cache/ftcache.c",
             "src/cff/cff.c",
             "src/cid/type1cid.c",
             "src/gzip/ftgzip.c",