args : with args; let localDefs = builderDefs { src = fetchurl { url = ftp://ftp.fftw.org/pub/fftw/fftw-3.1.2.tar.gz; sha256 = "1gr63hf5vvsg50b2xwqaxwpvs1y9g8l0sb91a38wpvr7zsbjxfg1"; }; buildInputs = []; configureFlags = ["--enable-float --enable-shared"]; } null; in with localDefs; stdenv.mkDerivation { name = "fftw-3.1.2"; builder = writeScript "fftw-3.1.2-builder" (textClosure localDefs [doConfigure doMakeInstall doForceShare]); meta = { description = " Fastest Fourier Transform in the West library. "; inherit src; }; }