{ lib, stdenv, fetchFromGitHub, bc, python3, bison, flex, fuse, libarchive , buildPackages }: stdenv.mkDerivation rec { pname = "lkl"; version = "2019-10-04"; rev = "06ca3ddb74dc5b84fa54fa1746737f2df502e047"; outputs = [ "dev" "lib" "out" ]; nativeBuildInputs = [ bc bison flex python3 ]; buildInputs = [ fuse libarchive ]; src = fetchFromGitHub { inherit rev; owner = "lkl"; repo = "linux"; sha256 = "0qjp0r338bwgrqdsvy5mkdh7ryas23m47yvxfwdknfyl0k3ylq62"; }; # Fix a /usr/bin/env reference in here that breaks sandboxed builds prePatch = "patchShebangs arch/lkl/scripts"; # Fixup build with newer Linux headers: https://github.com/lkl/linux/pull/484 postPatch = "sed '1i#include ' -i tools/lkl/lib/hijack/xlate.c"; installPhase = '' mkdir -p $out/bin $lib/lib $dev cp tools/lkl/bin/lkl-hijack.sh $out/bin sed -i $out/bin/lkl-hijack.sh \ -e "s,LD_LIBRARY_PATH=.*,LD_LIBRARY_PATH=$lib/lib," cp tools/lkl/{cptofs,fs2tar,lklfuse} $out/bin ln -s cptofs $out/bin/cpfromfs cp -r tools/lkl/include $dev/ cp tools/lkl/liblkl.a \ tools/lkl/lib/liblkl.so \ tools/lkl/lib/hijack/liblkl-hijack.so $lib/lib ''; # We turn off format and fortify because of these errors (fortify implies -O2, which breaks the jitter entropy code): # fs/xfs/xfs_log_recover.c:2575:3: error: format not a string literal and no format arguments [-Werror=format-security] # crypto/jitterentropy.c:54:3: error: #error "The CPU Jitter random number generator must not be compiled with optimizations. See documentation. Use the compiler switch -O0 for compiling jitterentropy.c." hardeningDisable = [ "format" "fortify" ]; makeFlags = [ "-C tools/lkl" "CC=${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc" "HOSTCC=${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc" "CROSS_COMPILE=${stdenv.cc.targetPrefix}" ]; enableParallelBuilding = true; meta = with lib; { description = "The Linux kernel as a library"; longDescription = '' LKL (Linux Kernel Library) aims to allow reusing the Linux kernel code as extensively as possible with minimal effort and reduced maintenance overhead ''; homepage = "https://github.com/lkl/linux/"; platforms = [ "x86_64-linux" "aarch64-linux" "armv7l-linux" "armv6l-linux" ]; # Darwin probably works too but I haven't tested it license = licenses.gpl2; maintainers = with maintainers; [ copumpkin ]; }; }