nixpkgs-suyu/pkgs/os-specific/linux/busybox/default.nix
Eelco Dolstra 423e923182 busybox: Enable building a minimal configuration
This starts with "make allnoconfig" rather than "make defconfig",
making it easier to turn on only the needed features.

Also, fix broken .config generation (the presence of "#" lines
confused parseconfig).
2014-10-29 13:43:00 +01:00

75 lines
1.8 KiB
Nix

{ stdenv, fetchurl, enableStatic ? false, enableMinimal ? false, extraConfig ? "" }:
let
configParser = ''
function parseconfig {
while read LINE; do
NAME=`echo "$LINE" | cut -d \ -f 1`
OPTION=`echo "$LINE" | cut -d \ -f 2`
if ! [[ "$NAME" =~ ^CONFIG_ ]]; then continue; fi
echo "parseconfig: removing $NAME"
sed -i /$NAME'\(=\| \)'/d .config
echo "parseconfig: setting $NAME=$OPTION"
echo "$NAME=$OPTION" >> .config
done
}
'';
in
stdenv.mkDerivation rec {
name = "busybox-1.22.1";
src = fetchurl {
url = "http://busybox.net/downloads/${name}.tar.bz2";
sha256 = "12v7nri79v8gns3inmz4k24q7pcnwi00hybs0wddfkcy1afh42xf";
};
configurePhase = ''
export KCONFIG_NOTIMESTAMP=1
make ${if enableMinimal then "allnoconfig" else "defconfig"}
${configParser}
cat << EOF | parseconfig
CONFIG_PREFIX "$out"
CONFIG_INSTALL_NO_USR y
${stdenv.lib.optionalString enableStatic ''
CONFIG_STATIC y
''}
# Use the external mount.cifs program.
CONFIG_FEATURE_MOUNT_CIFS n
CONFIG_FEATURE_MOUNT_HELPERS y
${extraConfig}
$extraCrossConfig
EOF
make oldconfig
'';
crossAttrs = {
extraCrossConfig = ''
CONFIG_CROSS_COMPILER_PREFIX "${stdenv.cross.config}-"
'' +
(if stdenv.cross.platform.kernelMajor == "2.4" then ''
CONFIG_IONICE n
'' else "");
};
enableParallelBuilding = true;
meta = {
description = "Tiny versions of common UNIX utilities in a single small executable";
homepage = http://busybox.net/;
license = stdenv.lib.licenses.gpl2;
maintainers = with stdenv.lib.maintainers; [viric];
platforms = with stdenv.lib.platforms; linux;
};
}