[cairo] ld: Undefined symbol: _compress with cairo 1.2.0 on Mac OS X; cairo 1.1.10 was fine

[David Turner]

Ryan Schmidt a écrit :
>
> On Jul 11, 2006, at 12:11, David Turner wrote:
>
>>> Don't think it's my fault.  Cairo doesn't directly use zlib, FreeType
>>> does.  In the link command, it just says "-lfontconfig -lfreetype",
>>> which makes me believe that "pkg-config --libs freetype2" is to be
>>> blamed.
>>
>> it depends on how FreeType was compiled. By default, it no zlib is 
>> found by the "configure" script,
>> the font engine will include its own copy of the zlib decompression 
>> routines, and no "-lz" will be
>> required at link-time. Another option is to build the library without 
>> its "gzip" module at all, but
>> I doubt that was the case here.
>>
>> so a missing "-lz" in 'pkg-config --libs freetype2' doesn't 
>> necessarily means a problem here.
>
> Currently I am using freetype as provided by Mac OS X's X11 
> environment. Apple provides no pkg-config file for this; 
> /usr/X11R6/lib/pkgconfig contains only fontconfig.pc, xcursor.pc and 
> xft.pc.
>
it must be some pretty old version then :-) Right now, FreeType installs 
both a freetype.pc file and its own "freetype-config" configuration script.
> Note again that cairo 1.1.10 compiles without errors, with no other 
> changes to my environment (IOW, with the same freetype).
>
Cairo's configure probably runs "freetype-config --libs" to determine 
the link flags.

Regards,

- David Turner
- The FreeType Project  (www.freetype.org)


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