Bug#561058: libgl1-mesa-dri: libdrm dependency needs updating
On Sun, Dec 13, 2009 at 21:45:06 -0500, Dave Witbrodt wrote:
> One last issue to mention -- probably nothing to worry about, since I am
> a noob to Mesa and to building DEBs. I noticed that after the "install"
> target of 'debian/rules' is run, there are two copies of a file called
> 'gl.pc': one is in 'debian/tmp/usr/lib/glx/pkgconfig' and the other is
> in 'debian/tmp/usr/lib/pkgconfig'. Only one ends up being packaged --
> the one build by the software rasterization config -- while the version
> created by the "dri" config is left unused.
>
> Now I don't truly understand what gl.pc is for but, as far as I have
> been able to gather, it is is used by 'pkg-config' to determine
> dependency information about libraries installed on the build system.
> Won't 'pkg-config' get confused if I want to build software against a
> DRI version of libGL.so, but the installed gl.pc contains dependency
> information about a (completely different) software rasterizing version
> of libGL.so?
>
> I have to plead ignorance here, and I am literally just seeking to
> satisfy my curiosity about this. The man page for 'pkg-config'
> indicates that more than one *.pc file can be used in a system for very
> similar libraries, so I was just wondering if it would be better to use
> both copies of gl.pc somehow.
>
All of the libGLs have to be compatible, so any difference between those
.pc files shouldn't matter.
Cheers,
Julien
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