Re: [gentoo-science] failure to merge sage due to unavailability of cblas

[Francois Bissey]

On 05/03/13 11:32, Markus Oehme wrote:
> Hello,
>
> I'm trying to emerge sage from the sage-on-gentoo overlay. Unfortunately
> this always fails with errors like the following:
>
> ===
> x86_64-pc-linux-gnu-gcc -pthread -shared -Wl,-O1 -Wl,--as-needed -O2 -pipe -march=native -ggdb -fno-strict-aliasing /var/tmp/portage/sci-mathematics/sage-5.6/work/sage-5.6-python2_7/temp.linux-x86_64-2.7/sage/gsl/callback.o -L/usr//lib -L/usr/lib64 -lcsage -lgsl -lgslcblas  -lstdc++ -lntl -lpython2.7 -o /var/tmp/portage/sci-mathematics/sage-5.6/work/sage-5.6-python2_7/lib/sage/gsl/callback.so
> /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lgslcblas
> collect2: error: ld returned 1 exit status
> ===
>
> I have the science overlay installed. I understand that there are quite some
> changes in the overlay on how the scientific libraries are handled -- so I
> come here for help. ;)
>
> I've installed both gsl and atlas and invoked eselect several times to make
> sure, that everything is set up properly, but to no avail. I have a file
> /usr/lib64/libgslcblas.so on my system, so I don't see what's wrong here.
>

pkg-config 0.28 is what is wrong. I thought we had fixed 5.6 for it but
obviously not. Try 5.7 or downgrade pkgconfig to 0.27

Francois