Locating libraries installed with MacPorts

[Brandon Allbery]

On Wed, Oct 5, 2016 at 6:21 PM, Mick Jordan <mick.jordan at oracle.com> wrote:

> I have several libraries installed via MacPorts (that also exists in
> /usr/lib FWIW), e.g, libpcre and libz. I was rather surprised to see that
> these resolve to the MacPorts location,i.e., /opt/local/lib even though I
> am not passing -L/opt/local/lib to the link step. I thought this might be
> because I was using gcc to do the compilation/linking and that is also
> installed via MacPorts, but I get the same behavior when using clang. I
> added -Wl,-v to the link step and it lists the directories it is searching
> and /opt/local/lib is not included in the list. So my question is how is ld
> resolving to /opt/local/include. I have no environment variables such as
> LDFLAGS set, although /opt/local/bin is on my PATH.
>
> I'm running MacPorts 2.3.4 in El Capitan.
>

How is the program being built? If it uses a build framework such as
autoconf or cmake, or even just pkgconfig, it will often find things itself
(and sometimes there's no way to stop it from doing so).

-- 
brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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