{ stdenv, lib, buildPackages, fetchurl , enableStatic ? false , enableMinimal ? false , useMusl ? stdenv.hostPlatform.libc == "musl", musl , extraConfig ? "" }: assert stdenv.hostPlatform.libc == "musl" -> useMusl; 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 } ''; libcConfig = lib.optionalString useMusl '' CONFIG_FEATURE_UTMP n CONFIG_FEATURE_WTMP n ''; in stdenv.mkDerivation rec { name = "busybox-1.30.1"; # Note to whoever is updating busybox: please verify that: # nix-build pkgs/stdenv/linux/make-bootstrap-tools.nix -A test # still builds after the update. src = fetchurl { url = "https://busybox.net/downloads/${name}.tar.bz2"; sha256 = "1p7vbnwj60q6zkzrzq3pa8ybb7mviv2aa5a8g7s4hh6kvfj0879x"; }; hardeningDisable = [ "format" "pie" ] ++ lib.optionals enableStatic [ "fortify" ]; patches = [ ./busybox-in-store.patch ]; postPatch = "patchShebangs ."; configurePhase = '' export KCONFIG_NOTIMESTAMP=1 make ${if enableMinimal then "allnoconfig" else "defconfig"} ${configParser} cat << EOF | parseconfig CONFIG_PREFIX "$out" CONFIG_INSTALL_NO_USR y CONFIG_LFS y ${lib.optionalString enableStatic '' CONFIG_STATIC y ''} # Use the external mount.cifs program. CONFIG_FEATURE_MOUNT_CIFS n CONFIG_FEATURE_MOUNT_HELPERS y # Set paths for console fonts. CONFIG_DEFAULT_SETFONT_DIR "/etc/kbd" # Bump from 4KB, much faster I/O CONFIG_FEATURE_COPYBUF_KB 64 ${extraConfig} CONFIG_CROSS_COMPILER_PREFIX "${stdenv.cc.targetPrefix}" ${libcConfig} EOF make oldconfig runHook postConfigure ''; postConfigure = lib.optionalString useMusl '' makeFlagsArray+=("CC=${stdenv.cc.targetPrefix}cc -isystem ${musl.dev}/include -B${musl}/lib -L${musl}/lib") ''; depsBuildBuild = [ buildPackages.stdenv.cc ]; buildInputs = lib.optionals (enableStatic && !useMusl) [ stdenv.cc.libc stdenv.cc.libc.static ]; enableParallelBuilding = true; doCheck = false; # tries to access the net meta = with stdenv.lib; { description = "Tiny versions of common UNIX utilities in a single small executable"; homepage = https://busybox.net/; license = licenses.gpl2; maintainers = with maintainers; [ ]; platforms = platforms.linux; priority = 10; }; }