[CMake] Finding Blas

[Bill Hoffman]

Shepherd, Jason F wrote:
> Hi all,
>  
> I'm currently using Cmake 2.8b.  I'm trying to add a requirement (based 
> on another conditional statement) to find the LAPACK and BLAS packages 
> to VTK's Infovis capabilities.  I've added the following lines to my 
> CMakeLists.txt
>  
>   FIND_PACKAGE(BLAS REQUIRED)
>   FIND_PACKAGE(LAPACK REQUIRED)
>  
> But, this results in the following error:
>  
> CMake Error at C:/Program Files/CMake 
> 2.8/share/cmake-2.8/Modules/FindBLAS.cmake:31 (message):
>   FindBLAS is Fortran-only so Fortran must be enabled.
> Call Stack (most recent call first):
>   VTK/Infovis/CMakeLists.txt:227 (FIND_PACKAGE)
>  
> However, I'm trying to do this with the new cmake-enabled clapack-3.2.1 
> which doesn't require any fortran.  Is there a better way to find the 
> correct blas and lapack packages that bypasses the fortran-only requirement?
>  
Yes you can do this:

find_package(clapack)

The new clpack uses the new package stuff from CMake complete with 
imported targets.

Even has a dashboard:

http://my.cdash.org/index.php?project=CLAPACK


-Bill