args : with args; let localDefs = builderDefs { src = /* put a fetchurl here */ fetchurl { url = http://fabrice.bellard.free.fr/qemu/qemu-0.9.0.tar.gz; sha256 = "1h85njd8xvn472yhcm92rjyzqjr719ab73rxwmz9cm2n6gwsq7s9"; }; buildInputs = [ SDL zlib which ]; configureFlags = []; } null; /* null is a terminator for sumArgs */ in with localDefs; let preConfigure = FullDepEntry (" gcc --version ") [minInit]; in stdenv.mkDerivation rec { name = "qemu-"+version; builder = writeScript (name + "-builder") (textClosure localDefs [ preConfigure doConfigure doMakeInstall doForceShare doPropagate]); meta = { description = " QEmu processor emulator. "; }; }