Dear Arthur, "Linker Flags" and "R_LIB" are found by consulting google on "xianyi-openblas user manual".
The "include" flag is necessary, otherwise there is a conflict with /usr/link/ld. Xianyi recommends -lopenblas and adds -lpthread -lgfortran with motivations understood by wise Linuxers. They have not done any harm. Could you improve calculation time ...? In a previous wien-bounces you find a test where gfortran+openblas is fully competitive with intel+mkl. A try is worthwhile. Best regards / John John Rundgren Department of Theoretical Physics, KTH Royal Institute of Technology
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