Re: [ft] 64-bit compile warning in Visual Studio 2010

[Wojciech Mamrak]

when compiling FT with Visual C++ 10.0 (32-bit) there are also few
warnings. Here is the entire output:

1>------ Rebuild All started: Project: freetype, Configuration:
Release Win32 ------
1>  autofit.c
1>  bdf.c
1>  cff.c
1>  ftbase.c
1>  ftbitmap.c
1>  ftcache.c
1>  ftfstype.c
1>  ftgasp.c
1>freetype-2.4.11\src\bdf\bdflib.c(1162): warning C4100: 'lineno' :
unreferenced formal parameter
1>  ftglyph.c
1>  ftgzip.c
1>freetype-2.4.11\src\bdf\bdflib.c(1295): warning C4100: 'lineno' :
unreferenced formal parameter
1>  ftinit.c
1>  ftlzw.c
1>  ftstroke.c
1>  ftsystem.c
1>  smooth.c
1>  ftbbox.c
1>  ftmm.c
1>  ftpfr.c
1>  ftsynth.c
1>  fttype1.c
1>  ftwinfnt.c
1>  ftxf86.c
1>  ftlcdfil.c
1>freetype-2.4.11\src\smooth\ftsmooth.c(396): warning C4701:
potentially uninitialized local variable 'bitmap' used
1>freetype-2.4.11\src\smooth\ftsmooth.c(396): warning C4701:
potentially uninitialized local variable 'memory' used
1>freetype-2.4.11\src\smooth\ftsmooth.c(391): warning C4701:
potentially uninitialized local variable 'x_shift' used
1>freetype-2.4.11\src\smooth\ftsmooth.c(391): warning C4701:
potentially uninitialized local variable 'y_shift' used
1>  ftgxval.c
1>  ftotval.c
1>  ftpatent.c
1>..\..\..\src\base\ftlcdfil.c(79): warning C4146: unary minus
operator applied to unsigned type, result still unsigned
1>..\..\..\src\base\ftlcdfil.c(88): warning C4146: unary minus
operator applied to unsigned type, result still unsigned
1>..\..\..\src\base\ftlcdfil.c(92): warning C4146: unary minus
operator applied to unsigned type, result still unsigned
1>..\..\..\src\base\ftlcdfil.c(140): warning C4146: unary minus
operator applied to unsigned type, result still unsigned
1>..\..\..\src\base\ftlcdfil.c(150): warning C4146: unary minus
operator applied to unsigned type, result still unsigned
1>..\..\..\src\base\ftlcdfil.c(154): warning C4146: unary minus
operator applied to unsigned type, result still unsigned
1>  pcf.c
1>  pfr.c
1>  psaux.c
1>  pshinter.c
1>  psmodule.c
1>  raster.c
1>  sfnt.c
1>  truetype.c
1>  type1.c
1>  type1cid.c
1>  type42.c
1>  winfnt.c
1>freetype-2.4.11\src\type1\t1load.c(323): warning C4245: '=' :
conversion from 'int' to 'FT_UInt', signed/unsigned mismatch
1>freetype-2.4.11\src\type1\t1load.c(336): warning C4245: '=' :
conversion from 'int' to 'FT_UInt', signed/unsigned mismatch
1>freetype-2.4.11\src\type1\t1load.c(337): warning C4245: '=' :
conversion from 'int' to 'FT_ULong', signed/unsigned mismatch
1>freetype-2.4.11\src\truetype\ttgxvar.c(706): warning C4245: '=' :
conversion from 'int' to 'FT_UInt', signed/unsigned mismatch
1>  ftdebug.c

2013/2/15 Werner LEMBERG <address@hidden>:
>
>> I tried recompile FreeType for 64-bit in Visual Studio 2010. I get
>> tons of warnings.  When I had compiled for 32-bit systems I got no
>> wanings.  So my question is: "Can I safely ignore these warning when
>> I compile FreeType for 64-bit systems (some of them looks like
>> potential errors)?
>
> Without seeing them it is hard to say.  Basically, there shouldn't be
> warnings.
>
> Please download the current git and compile again, then send all
> warnings to this list (probably compressed if necessary).
>
>
>     Werner
>
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