From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
---|---|
To: | Noah Misch <noah(at)leadboat(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: find libxml2 using pkg-config |
Date: | 2013-03-04 03:30:11 |
Message-ID: | 1362367811.11571.15.camel@vanquo.pezone.net |
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Thread: | |
Lists: | pgsql-hackers |
On Fri, 2013-03-01 at 14:25 -0500, Noah Misch wrote:
> On Mon, Jan 14, 2013 at 06:51:05AM -0500, Peter Eisentraut wrote:
> > In multi-arch OS installations, using a single foo-config script to
> find
> > libraries is problematic, because you don't know which architecture
> it
> > will point to, and you can't choose which one you want. Using
> > pkg-config is better in that situation, because you can use its
> > environment variables to point to your preferred version
> > of /usr/lib*/pkgconfig or similar.
>
> "./configure XML2_CONFIG=/my/preferred/xml2-config" achieves this
> today.
No.
The way multi-arch installations work is that you have the libraries
under /usr/lib and /usr/lib64, or /usr/lib/$arch1 and /usr/lib/$arch2,
but only one /usr/bin. So there cannot be two foo-config scripts to
cover this. There is, however, /usr/lib/pkgconfig
and /usr/lib64/pkgconfig (or analogous), so pkg-config can handle this.
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