Re: configure.ac and Dolfin.h

[c.]

On 1 Mar 2014, at 15:56, c. <address@hidden> wrote:

> 
> On 1 Mar 2014, at 15:31, Juan Pablo Carbajal <address@hidden> wrote:
>>> 
>>> 
>>> Why not instead (or in addition to that) use the output of pkg-config?
>>> This is the standard way to detect flags to be added when
>>> compiling/linking against a library.
>>> 
>>> On my Debian unstable system, the eigen3 include directory is included
>>> in the output of "pkg-config --cflags dolfin".
>>> 
>>> --
>>> .''`.    Sébastien Villemot
>>> : :' :    Debian Developer
>>> `. `'     http://www.dynare.org/sebastien
>>> `-      GPG Key: 4096R/381A7594
>>> 
>> 
>> Sebastien,
>> 
>> Because I do not know how to do that. Autotools and friends are not
>> the easiest tools to learn how to use...
>> If you have an example that shows what you mean, then I would be happy
>> to fix the code.
> 
> I can do that, I'll prepare a patch, but nontheless it's good to be able
> to manually tell configure where libraries are, so I will leave your option 
> too.
> 
> c.

Actually, 

Now that I think better about it, while I COULD, prepare this patch, working
on this sounds like a nice little project for a would-be GSoC student willing 
to work on fem-fenics.

So, Eugenio, would you like to give it a try yourself?
You can find some interesting information to use as a starting point for 
autotools+pkg
config here:

https://www.flameeyes.eu/autotools-mythbuster/pkgconfig/index.html

HTH,
c.