82 lines
2.0 KiB
Nix
82 lines
2.0 KiB
Nix
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{ stdenv, runCommand }:
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{ version, modDirVersion ? version, src, patches ? [], config }:
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with stdenv.lib;
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let
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# Function to parse the config file to get the features supported
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readFeatures = config:
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let
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# !!! Original causes recursion too deep, need to import from derivation
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# linesWithComments = splitString "\n" (builtins.readFile config);
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lines = import "${runCommand "lines.nix" {} ''
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echo "[" >> $out
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while read line; do
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if [ -n "$line" ] && [ `expr index "$line" "#"` -ne 1 ]; then
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echo "${"''"}" >> $out
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echo $(echo $line | sed "s@${"''"}@\$\{\"${"''"}\"}@g")"${"''"}" >> $out
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fi
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done < ${config}
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echo "]" >> $out
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''}";
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nvpairs = map (s: let split = splitString "=" s; fst = head split; in {
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name = substring (stringLength "CONFIG_") (stringLength fst) fst;
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value = head (tail split);
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}) lines;
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configAttrs = listToAttrs nvpairs;
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getValue = option:
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if hasAttr option configAttrs then getAttr option configAttrs else null;
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isYes = option: (getValue option) == "y";
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in
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{
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modular = isYes "MODULES";
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};
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features = readFeatures config;
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in
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stdenv.mkDerivation ({
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name = "linux-${version}";
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enableParallelBuilding = true;
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passthru = {
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inherit version modDirVersion features;
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};
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inherit patches src;
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postPatch = ''
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for mf in $(find -name Makefile); do
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echo "stripping FHS paths in \`$mf'..."
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sed -i "$mf" -e 's|/usr/bin/||g ; s|/bin/||g'
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done
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'';
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configurePhase = ''
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runHook preConfigure
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ln -sv ${config} .config
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make oldconfig
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runHook postConfigure
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'';
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INSTALL_PATH = "$out";
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} // optionalAttrs features.modular {
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MODLIB = "$out/lib/modules/${modDirVersion}";
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INSTALL_MOD_STRIP = "1";
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postInstall = ''
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make modules_install $makeFlags "$\{makeFlagsArray[@]}" \
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$installFlags "$\{installFlagsArray[@]}"
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'';
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})
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