[Gmsh] cmake does not find blas/lapack and other libraries

[lukshuntim at gmail.com]

On Thursday, September 21, 2017 04:09 PM, Juan A. Cordero Varelaq wrote:
> Hi,
> 
> I have experienced some problems during building of gmsh, as shown in 
> the attachment:
> 
>   * When it says */Looking for pthread_create in pthreads - not found/*,
>     is it ok if it says */Looking for pthread_create in pthread -
>     found/*. In other words, is /pthread/ equivalent to /pthread*s*/?

CMake is just trying to be a bit more tolerant. :-)

>   * */A library with BLAS API not found. Please specify library
>     location./* Both Blas and Lapack are installed, and their location
>     is set in the $LIBRARY_PATH variable. I can't understand why if I
>     set *-DCMAKE_PREFIX_PATH:string=$LIBRARY_PATH* it does not find the
>     right libs.

See https://cmake.org/cmake/help/latest/variable/CMAKE_PREFIX_PATH.html

>   * /*Could NOT find JPEG (missing:  JPEG_LIBRARY JPEG_INCLUDE_DIR)*/. I
>     cannot understand this since /usr/lib64/libjpeg.so.62.1.0 exists indeed.

Most probably you did not have the development library package. It's 
usually called something like libjpeg-dev or libjpeg-devel.

BTW, any special reason why you want to compile your own? The binary 
provided on the website usually works fine.

Regards,
-- st