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Date:	Sat, 11 Nov 2006 23:47:22 -0500
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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To:	cygwin AT cygwin DOT com
Subject:	Re: pkg-config.exe problem
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v. wrote:
> René Berber <r.berber <at> computer.org> writes:
> 
>> gedeon.legaut wrote:
>>
>>> I working with cygwin installed from www.cygwin.com and glade installed
>>> from www.gladewin32.sourceforge.net and I have a pb with pkg-config.exe :
>>>
>>> *) pkg-config.exe --cflags gtk+-2.0 gives
>>>
>>> Package gtk+-2.0 was not found in the pkg-config search path.
>>> Perhaps you should add the directory containing `gtk+-2.0.pc'
>>> to the PKG_CONFIG_PATH environment variable
>>> No package 'gtk+-2.0' found
>>>
>>> *) echo $PKG_CONFIG_PATH gives
>>>
>>> /cygdrive/f/GTK/lib/pkgconfig
>> [snip]
>>
>> Try "pkg-config --debug --cflags gtk+-2.0"
>>
>> BTW I'm using version 0.20 of pkg-config and it works fine.
> 
> 
> I can not belive it!!! I had almost the same problem, example:
> pkg-config --modversion gdk-2.0 
> delivered a message that pkg-config is unable to find gdk-2.0.pc in the search
> path PKG_CONFIG_PATH ... although the right path was included there!
> 
> After examing the output of "pkg-config --debug --cflags gtk+-2.0" I wondered
> that it searches for gtk+-2.0.pc on an alternative path starting with "c:\...",
> so I reviewed my definidion of PKG_CONFIG_PATH and defined everywhere
> fully-qualified paths, each one starting with drive letter
> "c:\mydirs\..\pkgconfig". For the first this also did not funtion, so I
> seperated the paths not with ':' but with semicolons ';' and enclosed the whole
> string for PKG_CONFIG_PATH in "..." !!! This functioned finally, and pkg-config
> works now! So to everyone trying to investigate into pkg-config and cygwin ...
> forget this shit and do your work seriously in a real unix/linux environment! 
> cheers!

cygwin's pkg-config executable does not understand windows paths -- nor 
is it intended to do so.  A native pkg-config executable will not 
understand cygwin paths -- nor is IT intended to do so, either.

a native-built package (like, gtk+-2.0 from 
http://www.gimp.org/~tml/gimp/win32/) will include .pc files that have 
windows paths in them.

a cygwin-built package (like the X11 gtk2 package installed by cygwin 
setup) will include .pc files that have cygwin paths in them

See the problem yet?

*do not mix native packages and cygwin packages, nor native 
pkg-config.exe and cygwin pkg-config.exe, nor native .pc files and 
cygwin .pc files*

--
Chuck


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