{stdenv, fetchurl, enableStatic ? false, extraConfig ? ""}: let configParser = '' function parseconfig { set -x while read LINE; do NAME=`echo "$LINE" | cut -d \ -f 1` OPTION=`echo "$LINE" | cut -d \ -f 2` if test -z "$NAME"; then continue fi if test "$NAME" == "CLEAR"; then echo "parseconfig: CLEAR" echo > .config fi echo "parseconfig: removing $NAME" sed -i /^$NAME=/d .config echo "parseconfig: setting $NAME=$OPTION" echo "$NAME=$OPTION" >> .config done set +x } ''; nixConfig = '' CONFIG_PREFIX "$out" CONFIG_INSTALL_NO_USR y ''; staticConfig = (if enableStatic then '' CONFIG_STATIC y '' else ""); in stdenv.mkDerivation rec { name = "busybox-1.19.0"; src = fetchurl { url = "http://busybox.net/downloads/${name}.tar.bz2"; sha256 = "0332yxvlfv2hbix9n70dyp4xlm2hrk248qqdg006hyfpjsh49kqr"; }; configurePhase = '' make defconfig ${configParser} cat << EOF | parseconfig ${staticConfig} ${extraConfig} ${nixConfig} $extraCrossConfig EOF make oldconfig ''; crossAttrs = { extraCrossConfig = '' CONFIG_CROSS_COMPILER_PREFIX "${stdenv.cross.config}-" '' + (if (stdenv.cross.platform.kernelMajor == "2.4") then '' CONFIG_IONICE n '' else ""); }; }