2efcf8291e
This enables mount to find lklfuse when mounting with the type "fuse.lklfuse". With this fix, lklfuse can be used to mount filesystems with NixOS filesystem options. This is the same fix as has been applied to bindfs, mergerfs, and apfs-fuse.
94 lines
3.3 KiB
Nix
94 lines
3.3 KiB
Nix
{ lib, stdenv, fetchFromGitHub, bc, python3, bison, flex, fuse, libarchive
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, buildPackages
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, firewallSupport ? false
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}:
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stdenv.mkDerivation rec {
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pname = "lkl";
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# NOTE: pinned to the last known version that doesn't have a hang in cptofs.
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# Please verify `nix build -f nixos/release-combined.nix nixos.ova` works
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# before attempting to update again.
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# ref: https://github.com/NixOS/nixpkgs/pull/219434
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version = "2022-08-08";
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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 = "ffbb4aa67b3e0a64f6963f59385a200d08cb2d8b";
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sha256 = "sha256-24sNREdnhkF+P+3P0qEh2tF1jHKF7KcbFSn/rPK2zWs=";
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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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'' + lib.optionalString stdenv.isi686 ''
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echo CONFIG_KALLSYMS=n >> arch/lkl/configs/defconfig
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echo CONFIG_KALLSYMS_BASE_RELATIVE=n >> arch/lkl/configs/defconfig
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'' + lib.optionalString firewallSupport ''
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cat ${./lkl-defconfig-enable-nftables} >> arch/lkl/configs/defconfig
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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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postFixup = ''
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ln -s $out/bin/lklfuse $out/bin/mount.fuse.lklfuse
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'';
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# We turn off format and fortify because of these errors (fortify implies -O2, which breaks the jitter entropy code):
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# fs/xfs/xfs_log_recover.c:2575:3: error: format not a string literal and no format arguments [-Werror=format-security]
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# crypto/jitterentropy.c:54:3: error: #error "The CPU Jitter random number generator must not be compiled with optimizations. See documentation. Use the compiler switch -O0 for compiling jitterentropy.c."
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hardeningDisable = [ "format" "fortify" ];
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# Fixes the following error when using liblkl-hijack.so on aarch64-linux:
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# symbol lookup error: liblkl-hijack.so: undefined symbol: __aarch64_ldadd4_sync
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env.NIX_CFLAGS_LINK = "-lgcc_s";
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makeFlags = [
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"-C tools/lkl"
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"CC=${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 raitobezarius ];
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};
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}
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