Danny Milosavljevic writes: > * gnu/packages/engineering.scm (volk): New variable. [...] > + (source > + (origin > + (method url-fetch) > + (uri (string-append "http://libvolk.org/releases/volk-" > + version > + ".tar.gz")) > + (sha256 > + (base32 > + "1bz3ywc6y5wmz3i8p4z2wbzhns8bc0ywdkl9qnxpcvfcscarbdlh")))) Indentation is off in this section. > + (build-system cmake-build-system) > + (inputs > + `(("boost" ,boost))) > + (native-inputs > + `(("python-2", python-2) > + ("python2-cheetah" ,python2-cheetah))) > + (home-page "http://libvolk.org/") > + (synopsis "Vector-Optimized Library of Kernels") > + (description > + "@code{volk} contains procedures with machine-specific optimizations ^^^ ...and here (should align with the d). Sorry! :D