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Subject: Re: Emacs and last libpng release
From: Yaakov Selkowitz <yselkowitz@cygwin.com>
To: cygwin@cygwin.com
Date: Tue, 10 Feb 2015 12:13:25 -0600
In-Reply-To: <54DA4363.2040306@cornell.edu>
References: <54DA37E4.1060706@alice.it> <54DA4363.2040306@cornell.edu>
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On Tue, 2015-02-10 at 12:44 -0500, Ken Brown wrote:
> On 2/10/2015 11:55 AM, Angelo Graziosi wrote:
> > Ken Brown wrote:
> >> I think the better way is for all libraries that rely on libpng15 to rebuild
> >> for libpng16.
> >
> > Does this mean that there is some library which, after being rebuilt, will allow
> > Emacs to be build OB, linking to libpng16, without the need to install libpng15?
> 
> I think that's right.  It looks to me like ImageMagick and fontconfig are both 
> adding -lpng15 to the link command line.  I'm puzzled about fontconfig because 
> it was just rebuilt.
> 
> $ pkg-config --libs fontconfig
> -lfontconfig -lexpat -lfreetype -lbz2 -lz -lpng15 -lm -lz -lexpat -lfreetype 
> -lbz2 -lz -lpng16 -lm -lz
> 
> Yaakov, can you explain this?

cygcheck -c libfontconfig-devel libfreetype-devel ?

--
Yaakov


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