dev/nixpkgs
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

busybox: Enable building a minimal configuration

Browse Source 
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).
This commit is contained in:
Eelco Dolstra 2014-10-29 13:32:40 +01:00
parent dc0d68ffc3
commit 423e923182
1 changed files with 18 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
pkgs/os-specific/linux/busybox/default.nix
View File

@ -1,4 +1,4 @@
{stdenv, fetchurl, enableStatic ? false, extraConfig ? ""}: { stdenv, fetchurl, enableStatic ? false, enableMinimal ? false, extraConfig ? "" }:
let let
configParser = '' configParser = ''
@ -7,14 +7,7 @@ let
NAME=`echo "$LINE" | cut -d \ -f 1` NAME=`echo "$LINE" | cut -d \ -f 1`
OPTION=`echo "$LINE" | cut -d \ -f 2` OPTION=`echo "$LINE" | cut -d \ -f 2`
if test -z "$NAME"; then if ! [[ "$NAME" =~ ^CONFIG_ ]]; then continue; fi
continue
fi
if test "$NAME" == "CLEAR"; then
echo "parseconfig: CLEAR"
echo > .config
fi
echo "parseconfig: removing $NAME" echo "parseconfig: removing $NAME"
sed -i /$NAME'\(=\| \)'/d .config sed -i /$NAME'\(=\| \)'/d .config
@ -25,19 +18,6 @@ let
} }
''; '';
nixConfig = ''
CONFIG_PREFIX "$out"
CONFIG_INSTALL_NO_USR y
# Use the external mount.cifs program.
CONFIG_FEATURE_MOUNT_CIFS n
CONFIG_FEATURE_MOUNT_HELPERS y
'';
staticConfig = stdenv.lib.optionalString enableStatic ''
CONFIG_STATIC y
'';
in in
stdenv.mkDerivation rec { stdenv.mkDerivation rec {
@ -50,14 +30,27 @@ stdenv.mkDerivation rec {
configurePhase = '' configurePhase = ''
export KCONFIG_NOTIMESTAMP=1 export KCONFIG_NOTIMESTAMP=1
make defconfig make ${if enableMinimal then "allnoconfig" else "defconfig"}
${configParser} ${configParser}
cat << EOF | parseconfig cat << EOF | parseconfig
${staticConfig}
${nixConfig} CONFIG_PREFIX "$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} ${extraConfig}
$extraCrossConfig $extraCrossConfig
EOF EOF
make oldconfig make oldconfig
''; '';