nixpkgs-suyu/pkgs/misc/busybox/default.nix
Eelco Dolstra 1a22e9761d * By default, build a dynamically linked Busybox. In the initrd we
need Glibc anyway, so there is no point in static linking.  This
  saves about a megabyte from the initrd.

svn path=/nixpkgs/trunk/; revision=34197
2012-05-21 17:51:40 +00:00

77 lines
1.7 KiB
Nix

{stdenv, fetchurl, enableStatic ? 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 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
}
'';
nixConfig = ''
CONFIG_PREFIX "$out"
CONFIG_INSTALL_NO_USR y
'';
staticConfig = stdenv.lib.optionalString enableStatic ''
CONFIG_STATIC y
'';
in
stdenv.mkDerivation rec {
name = "busybox-1.19.4";
src = fetchurl {
url = "http://busybox.net/downloads/${name}.tar.bz2";
sha256 = "1vhh6xa71w4wzby0f4x357fv6zxvkklmyjc8njgbbzv1v83391cv";
};
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 "");
};
enableParallelBuilding = true;
meta = {
description = "Tiny versions of common UNIX utilities in a single small executable";
homepage = http://busybox.net/;
license = "GPLv2";
maintainers = with stdenv.lib.maintainers; [viric];
platforms = with stdenv.lib.platforms; linux;
};
}