Ludovic Courtès writes: > Eric Bavier skribis: > >> On 2015-03-17 06:32, Ricardo Wurmus wrote: >>> From: Ricardo Wurmus >>> Date: Tue, 17 Mar 2015 12:24:45 +0100 >>> Subject: [PATCH] gnu: Add openblas. >>> >>> * gnu/packages/maths.scm (openblas): New variable. >> >> Does the build system need any special flags for cpu-targeting? >> I.e. does the build system detect the cpu that it is building on? If >> that's the case, I believe we've usually targeted the least common >> denominator for our supported system (e.g. SSE2 for x86-64). With only "make" the CPU is detected as part of the build process. If the "TARGET" flag is provided a specific CPU is targeted. > Another option is to do the same as for ATLAS, which is to force a > local build. Attached is an updated patch that forces a local build.