{ stdenv, fetchFromGitHub, bc, python, fuse, libarchive }: stdenv.mkDerivation rec { name = "lkl-${stdenv.lib.substring 0 7 rev}"; rev = "d74707304d4e4614081ae2a612a833aeb46622b5"; buildInputs = [ bc python fuse libarchive ]; src = fetchFromGitHub { inherit rev; owner = "lkl"; repo = "linux"; sha256 = "0x1hdjsrj6hfk1sgfw11ihm00fmp6g158sr2q3cgjy2b6jnsr4hp"; }; # Fix a /usr/bin/env reference in here that breaks sandboxed builds prePatch = "patchShebangs arch/lkl/scripts"; installPhase = '' mkdir -p $out/{bin,lib} # This tool assumes a different directory structure so let's point it at the right location cp tools/lkl/bin/lkl-hijack.sh $out/bin substituteInPlace $out/bin/lkl-hijack.sh --replace '/../' '/../lib' cp tools/lkl/{cptofs,cpfromfs,fs2tar,lklfuse} $out/bin cp -r tools/lkl/include $out cp tools/lkl/liblkl*.{a,so} $out/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"; enableParallelBuilds = true; meta = with stdenv.lib; { description = "LKL (Linux Kernel Library) aims to allow reusing the Linux kernel code as extensively as possible with minimal effort and reduced maintenance overhead"; platforms = platforms.linux; # Darwin probably works too but I haven't tested it license = licenses.gpl2; maintainers = with maintainers; [ copumpkin ]; }; }