72 lines
2.5 KiB
Nix
72 lines
2.5 KiB
Nix
{ lib, stdenv, fetchFromGitHub, bc, python3, bison, flex, fuse, libarchive
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, buildPackages }:
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stdenv.mkDerivation rec {
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pname = "lkl";
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version = "2022-05-18";
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outputs = [ "dev" "lib" "out" ];
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src = fetchFromGitHub {
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owner = "lkl";
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repo = "linux";
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rev = "10c7b5dee8c424cc2ab754e519ecb73350283ff9";
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sha256 = "sha256-D3HQdKzhB172L62a+8884bNhcv7vm/c941wzbYtbf4I=";
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};
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nativeBuildInputs = [ bc bison flex python3 ];
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buildInputs = [ fuse libarchive ];
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postPatch = ''
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# Fix a /usr/bin/env reference in here that breaks sandboxed builds
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patchShebangs arch/lkl/scripts
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patchShebangs scripts/ld-version.sh
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# Fixup build with newer Linux headers: https://github.com/lkl/linux/pull/484
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sed '1i#include <linux/sockios.h>' -i tools/lkl/lib/hijack/xlate.c
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'';
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installPhase = ''
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mkdir -p $out/bin $lib/lib $dev
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cp tools/lkl/bin/lkl-hijack.sh $out/bin
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sed -i $out/bin/lkl-hijack.sh \
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-e "s,LD_LIBRARY_PATH=.*,LD_LIBRARY_PATH=$lib/lib,"
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cp tools/lkl/{cptofs,fs2tar,lklfuse} $out/bin
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ln -s cptofs $out/bin/cpfromfs
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cp -r tools/lkl/include $dev/
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cp tools/lkl/liblkl.a \
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tools/lkl/lib/liblkl.so \
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tools/lkl/lib/hijack/liblkl-hijack.so $lib/lib
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'';
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# We turn off format and fortify because of these errors (fortify implies -O2, which breaks the jitter entropy code):
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# fs/xfs/xfs_log_recover.c:2575:3: error: format not a string literal and no format arguments [-Werror=format-security]
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# crypto/jitterentropy.c:54:3: error: #error "The CPU Jitter random number generator must not be compiled with optimizations. See documentation. Use the compiler switch -O0 for compiling jitterentropy.c."
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hardeningDisable = [ "format" "fortify" ];
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makeFlags = [
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"-C tools/lkl"
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"CC=${stdenv.cc}/bin/${stdenv.cc.targetPrefix}cc"
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"HOSTCC=${buildPackages.stdenv.cc}/bin/${buildPackages.stdenv.cc.targetPrefix}cc"
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"CROSS_COMPILE=${stdenv.cc.targetPrefix}"
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];
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enableParallelBuilding = true;
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meta = with lib; {
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description = "The Linux kernel as a library";
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longDescription = ''
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LKL (Linux Kernel Library) aims to allow reusing the Linux kernel code as
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extensively as possible with minimal effort and reduced maintenance
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overhead
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'';
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homepage = "https://github.com/lkl/linux/";
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platforms = platforms.linux; # Darwin probably works too but I haven't tested it
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license = licenses.gpl2;
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maintainers = with maintainers; [ copumpkin ];
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};
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}
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