# find /usr/ -name *cblas* | grep -v portage /usr/include/cblas.h /usr/lib64/libcblas.a /usr/lib64/pkgconfig/cblas.pc /usr/lib64/libcblas.so /usr/lib64/libcblas.so.0 C.f. Bug 676278 https://bugs.gentoo.org/676278#c13