.pc file installation location

[Jim Graf]

On Thu, Feb 18, 2010 at 8:06 AM, Thomas Moulard <thomas.moulard at gmail.com>wrote:

> On Thu, Feb 18, 2010 at 4:29 PM, Peter Johansson <trojkan at gmail.com>
> wrote:
> > Jeff Squyres wrote:
> >> Greetings.  I'm creating .pc files for our project (www.open-mpi.org).
> >>
> >> Where does one typically install these files?  I see that pkg-config(1)
> v0.23 says:
> >>
> >>     ...By default, pkg-config looks in the directory
> prefix/lib/pkgconfig for these files;...
> >>
> >> Does that really mean $prefix/lib/pkgconfig?  Or does it actually mean
> $libdir/pkgconfig?
> >>
> >>
> > I use the latter: $(libdir)/pkgconfig
>
> Two usual cases which justify a custom libdir is:
> - release/debug libraries
> - different instruction sets (32/64 bits for instance)
>
> ...and in both case you really want to maintain two different sets of .pc
> files.
> So yes, IMHO $(libdir)/pkgconfig is the good solution.
> --
>

I've been following this discussion and I have some confusion in my head.
The OP stated they wanted to put the .pc file in the 'usual' location. I am
presuming usual means default pkg-config search path, which depends on where
pkg-config itself is installed.

I wish I could participate more fully, but all my apps/libs are used
internally, and we find it expeditious to avoid root installs, so I tend
towards mucking with PKG_CONFIG_PATH and then I don't have to depend on my
own installation of the pkg-config app. It's a good solution to our very
particular problem. I can't use the default location. :(

I also wish there was an option for pkg-config to print out it's default
search path. Then in configure.ac, one could make some decisions.

strings `which pkg-config`|grep "/pkgconfig"

lacks a certain something...

-jim
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