To build on windows, you will need to find BLAS libraries to link. I used libraries from http://www.netlib.org/clapack/CLAPACK-3.1.1-VisualStudio.zip More optimized libraries may be available. You'll need: BLAS_nowrap.lib clapack_nowrap.lib libf2c.lib for the release build, BLASd_nowrap.lib clapackd_nowrap.lib libf2cd.lib for the debug build.