154 lines
4.3 KiB
Nix
154 lines
4.3 KiB
Nix
{ stdenv, lib, buildPackages, fetchurl, fetchFromGitLab
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, enableStatic ? stdenv.hostPlatform.isStatic
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, enableMinimal ? false
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# Allow forcing musl without switching stdenv itself, e.g. for our bootstrapping:
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# nix build -f pkgs/top-level/release.nix stdenvBootstrapTools.x86_64-linux.dist
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, useMusl ? stdenv.hostPlatform.libc == "musl", musl
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, extraConfig ? ""
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}:
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assert stdenv.hostPlatform.libc == "musl" -> useMusl;
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let
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configParser = ''
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function parseconfig {
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while read LINE; do
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NAME=`echo "$LINE" | cut -d \ -f 1`
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OPTION=`echo "$LINE" | cut -d \ -f 2`
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if ! [[ "$NAME" =~ ^CONFIG_ ]]; then continue; fi
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echo "parseconfig: removing $NAME"
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sed -i /$NAME'\(=\| \)'/d .config
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echo "parseconfig: setting $NAME=$OPTION"
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echo "$NAME=$OPTION" >> .config
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done
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}
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'';
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libcConfig = lib.optionalString useMusl ''
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CONFIG_FEATURE_UTMP n
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CONFIG_FEATURE_WTMP n
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'';
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# The debian version lags behind the upstream version and also contains
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# a debian-specific suffix. We only fetch the debian repository to get the
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# default.script
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debianVersion = "1.30.1-6";
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debianSource = fetchFromGitLab {
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domain = "salsa.debian.org";
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owner = "installer-team";
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repo = "busybox";
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rev = "debian/1%${debianVersion}";
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sha256 = "sha256-6r0RXtmqGXtJbvLSD1Ma1xpqR8oXL2bBKaUE/cSENL8=";
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};
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debianDispatcherScript = "${debianSource}/debian/tree/udhcpc/etc/udhcpc/default.script";
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outDispatchPath = "$out/default.script";
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in
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stdenv.mkDerivation rec {
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pname = "busybox";
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version = "1.34.1";
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# Note to whoever is updating busybox: please verify that:
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# nix-build pkgs/stdenv/linux/make-bootstrap-tools.nix -A test
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# still builds after the update.
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src = fetchurl {
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url = "https://busybox.net/downloads/${pname}-${version}.tar.bz2";
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sha256 = "0jfm9fik7nv4w21zqdg830pddgkdjmplmna9yjn9ck1lwn4vsps1";
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};
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hardeningDisable = [ "format" "pie" ]
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++ lib.optionals enableStatic [ "fortify" ];
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patches = [
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./busybox-in-store.patch
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] ++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) ./clang-cross.patch;
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separateDebugInfo = true;
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postPatch = "patchShebangs .";
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configurePhase = ''
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export KCONFIG_NOTIMESTAMP=1
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make ${if enableMinimal then "allnoconfig" else "defconfig"}
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${configParser}
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cat << EOF | parseconfig
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CONFIG_PREFIX "$out"
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CONFIG_INSTALL_NO_USR y
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CONFIG_LFS y
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# More features for modprobe.
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${lib.optionalString (!enableMinimal) ''
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CONFIG_FEATURE_MODPROBE_BLACKLIST y
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CONFIG_FEATURE_MODUTILS_ALIAS y
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CONFIG_FEATURE_MODUTILS_SYMBOLS y
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CONFIG_MODPROBE_SMALL n
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''}
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${lib.optionalString enableStatic ''
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CONFIG_STATIC y
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''}
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# Use the external mount.cifs program.
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CONFIG_FEATURE_MOUNT_CIFS n
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CONFIG_FEATURE_MOUNT_HELPERS y
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# Set paths for console fonts.
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CONFIG_DEFAULT_SETFONT_DIR "/etc/kbd"
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# Bump from 4KB, much faster I/O
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CONFIG_FEATURE_COPYBUF_KB 64
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# Set the path for the udhcpc script
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CONFIG_UDHCPC_DEFAULT_SCRIPT "${outDispatchPath}"
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${extraConfig}
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CONFIG_CROSS_COMPILER_PREFIX "${stdenv.cc.targetPrefix}"
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${libcConfig}
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EOF
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make oldconfig
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runHook postConfigure
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'';
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postConfigure = lib.optionalString (useMusl && stdenv.hostPlatform.libc != "musl") ''
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makeFlagsArray+=("CC=${stdenv.cc.targetPrefix}cc -isystem ${musl.dev}/include -B${musl}/lib -L${musl}/lib")
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'';
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makeFlags = [ "SKIP_STRIP=y" ];
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postInstall = ''
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sed -e '
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1 a busybox() { '$out'/bin/busybox "$@"; }\
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logger() { '$out'/bin/logger "$@"; }\
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' ${debianDispatcherScript} > ${outDispatchPath}
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chmod 555 ${outDispatchPath}
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HOST_PATH=$out/bin patchShebangs --host ${outDispatchPath}
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'';
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strictDeps = true;
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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buildInputs = lib.optionals (enableStatic && !useMusl && stdenv.cc.libc ? static) [ stdenv.cc.libc stdenv.cc.libc.static ];
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enableParallelBuilding = true;
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doCheck = false; # tries to access the net
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meta = with lib; {
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description = "Tiny versions of common UNIX utilities in a single small executable";
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homepage = "https://busybox.net/";
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license = licenses.gpl2Only;
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maintainers = with maintainers; [ TethysSvensson qyliss ];
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platforms = platforms.linux;
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priority = 10;
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};
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}
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