[CMake] Fwd: module and cmake

[Andreas Pakulat]

Hi,

On Sat, May 19, 2012 at 3:44 PM, Rolf Eike Beer <eike at sf-mail.de> wrote:
>
> > > But to have some useful information: set CMAKE_PREFIX_PATH to the path
> > > where the libraries can be found without the lib/ or include/ suffix,
> > > CMake will add them itself.
> > >
> > > So if you have fftw2 in /opt/fftw2/lib/libfftw2.a and fftw3 in
> > > /opt/fftw-3/lib/libfftw3.so just call:
> > >
> > > cmake -D CMAKE_PREFIX_PATH=/opt/fftw2 ...
> >
> > I know that this might be possible. However, I'd like to get CMake to
> > read the environment directly, as everything is defined there. This
> > will make it easier for other users to compile the code without -D
> > CMAKE_PREFIX_PATH=/funny/path-... for several libraries.
>
> If there is a standard environment variable for a library then just put it
> into the Find*.cmake in the HINTS section (again: cmake --help-command
> find_library).
>

Luckily CMAKE_PREFIX_PATH can also be set as environment variable, not just
as cmake variable. So if you can teach the module system to set
CMAKE_PREFIX_PATH (or the INCLUDE/LIBRARY variants) you should be good to
go.

Andreas
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