[gentoo-user] Re: Problem with cblas libraries

[Gene Hannan]

On 08/26/2011 05:12 AM, denis cohen wrote:
> Hello,
>
> I recently removed some packages like blas-reference, cblas-reference,
> and lapack-reference to get emerge to run (some blocking issues).
> Not sure that was a good idea because now, even if I've reinstalled
> these packages,
> I am having several new problems:
>
> - compiling gcc with the gsl library spits out errors like:
> g++ -L/usr/local/lib -lm -lgsl  exact.o
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_ctrmv'
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_zswap'
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_zsymm'
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_cgeru'
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_sgemm'
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_ctrsv'
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/../../../../lib64/libgsl.so:
> undefined reference to `cblas_sgemv'
> and so on.......
>
> - still can't re-emerge packages like gsl and gmsh. For example, for gmsh I get;
> .....
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/MeshDraw.cpp.o
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/MeshQuad.cpp.o
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/MeshWrite.cpp.o
> [100%] Building CXX object CMakeFiles/gmsh.dir/contrib/bamg/bamglib/Meshio.cpp.o
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/QuadTree.cpp.o
> make[2]: *** No rule to make target `/usr/lib64/libcblas.so', needed
> by `gmsh'.  Stop.
> make[2]: *** Waiting for unfinished jobs....
> [100%] Building CXX object
> CMakeFiles/gmsh.dir/contrib/bamg/bamglib/SetOfE4.cpp.o
> make[1]: *** [CMakeFiles/gmsh.dir/all] Error 2
> make: *** [all] Error 2
> emake failed
>   * ERROR: sci-libs/gmsh-2.5.0 failed (compile phase):
>   *   Make failed!
>   *
>   * Call stack:
>   *     ebuild.sh, line   56:  Called src_compile
>   *   environment, line 2995:  Called cmake-utils_src_compile
>   *   environment, line  866:  Called _execute_optionaly 'src_compile'
>   *   environment, line  291:  Called enable_cmake-utils_src_compile
>   *   environment, line 1105:  Called cmake-utils_src_make
>   *   environment, line  885:  Called die
>   * The specific snippet of code:
>   *           emake "$@" || die "Make failed!";
>   *
>   * If you need support, post the output of 'emerge --info =sci-libs/gmsh-2.5.0',
>   * the complete build log and the output of 'emerge -pqv =sci-libs/gmsh-2.5.0'.
>   * This ebuild is from an overlay named 'science': '/var/lib/layman/science/'
>   * The complete build log is located at
> '/var/tmp/portage/sci-libs/gmsh-2.5.0/temp/build.log'.
>   * The ebuild environment file is located at
> '/var/tmp/portage/sci-libs/gmsh-2.5.0/temp/environment'.
>   * S: '/var/tmp/portage/sci-libs/gmsh-2.5.0/work/gmsh-2.5.0-source'
>
>>>> Failed to emerge sci-libs/gmsh-2.5.0, Log file:
>
>>>>   '/var/tmp/portage/sci-libs/gmsh-2.5.0/temp/build.log'
>
>
> /usr/lib64/libcblas.so is present:
>
>
> Does anyone have an idea of how solve this problem?
>
> I'd be glad to provide more details.
>
> Thanks
>
> Denis
>
>

Perhaps you need to run eselect cblas after re-emerging?