Left base folder: .\freetype-2.10.0
Right base folder: .\freetype-2.10.0-unitybuild
diff -r src\gzip\infblock.c src\gzip\infblock.c
387c387,388
< 
---
> #undef exop
> #undef bits
diff -r src\gzip\infcodes.c src\gzip\infcodes.c
250a251,253
> 
> #undef exop
> #undef bits
diff -r src\gzip\inftrees.c src\gzip\inftrees.c
468a469,471
> 
> #undef exop
> #undef bits
diff -r src\pfr\pfrload.c src\pfr\pfrload.c
360c360
<       FT_UInt   local;
---
>       FT_UInt   local_flags;
379c379
<       local = 0;
---
>       local_flags = 0;
382c382
<         local++;
---
>         local_flags++;
384c384
<           local++;
---
>           local_flags++;
387c387
<           local += 3;
---
>           local_flags += 3;
391c391
<         local++;
---
>         local_flags++;
393c393
<           local++;
---
>           local_flags++;
396c396
<       PFR_CHECK( local );
---
>       PFR_CHECK( local_flags );
diff -r src\smooth\ftgrays.c src\smooth\ftgrays.c
1638a1639
> #if defined(FT_DEBUG_LEVEL_TRACE)
1640a1642
> #endif
1641a1644
> #if defined(FT_DEBUG_LEVEL_TRACE)
1643a1647
> #endif
diff -r  build_all.c
0a1,59
> 
> /* Single File Compilation Unit Example
>     #include "freetype/build_all.c"
>     int main(void)
>     {
>         return 0;
>     }
> 
>     example windows:
>         call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat" x86
>         cl.exe /I./freetype/include  main.c 
>     example gcc:
>         gcc -I./freetype/include main.c 
> */
> 
> #define FT2_BUILD_LIBRARY
> 
> #include "src/autofit/autofit.c"
> #include "src/base/ftbase.c"
> #include "src/base/ftbbox.c"
> #include "src/base/ftbdf.c"
> #include "src/base/ftbitmap.c"
> #include "src/base/ftcid.c"
> #include "src/base/ftfstype.c"
> #include "src/base/ftgasp.c"
> #include "src/base/ftglyph.c"
> #include "src/base/ftgxval.c"
> #include "src/base/ftinit.c"
> #include "src/base/ftmm.c"
> #include "src/base/ftotval.c"
> #include "src/base/ftpatent.c"
> #include "src/base/ftpfr.c"
> #include "src/base/ftstroke.c"
> #include "src/base/ftsynth.c"
> #include "src/base/ftsystem.c"
> #include "src/base/fttype1.c"
> #include "src/base/ftwinfnt.c"
> #include "src/bdf/bdf.c"
> #include "src/bzip2/ftbzip2.c"
> #include "src/cache/ftcache.c"
> #include "src/cff/cff.c"
> #include "src/cid/type1cid.c"
> #include "src/gzip/ftgzip.c"
> #include "src/lzw/ftlzw.c"
> #include "src/pcf/pcf.c"
> #include "src/pfr/pfr.c"
> #include "src/psaux/psaux.c"
> #include "src/pshinter/pshinter.c"
> #include "src/psnames/psnames.c"
> #include "src/raster/raster.c"
> #include "src/sfnt/sfnt.c"
> #include "src/smooth/smooth.c"
> #include "src/truetype/truetype.c"
> #include "src/type1/type1.c"
> #include "src/type42/type42.c"
> #include "src/winfonts/winfnt.c"
> 
> #undef local
> #undef FT2_BUILD_LIBRARY