Mike Frysinger writes:

> On Wednesday 14 October 2009 07:37:33 Alberto Luaces wrote:
>> Is it possible to do what I want?
>> 
>> 1. If pkgdatadir is not specified at configure time, follow the FHS or
>> GNU guidelines.
>> 2. If pkgdatadir is specified, store its value in the configure cache.
>
> a lot of people muck around with path vars in configure when they shouldnt.  
> their code tends to be pretty fragile as they have to check multiple vars and 
> expand them manually.
>
> what i do is append the CPPFLAGS in the configure.ac like so:
> CPPFLAGS=$CPPFLAGS' -DMY_DATA_PATH="\"$(pkgdatadir)\""'

This is a great idea, thank you. I also think that the simpler the configure.ac,
the better.

Regards,

Alberto


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