068576042b
This is motivated by flakes being bad and all the stuff that calls things by "system" being utterly unable to cope with cross compilation. So if we go shove it in package.nix it is suddenly usable from cross contexts. Usage: ``` nix build -L .#nix-riscv64-linux.binaryTarball ``` Change-Id: I702ebf2ac5bd9d1c57662f968b000073134df336
517 lines
16 KiB
Nix
517 lines
16 KiB
Nix
{
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pkgs,
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lib,
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stdenv,
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aws-sdk-cpp,
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# If the patched version of Boehm isn't passed, then patch it based off of
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# pkgs.boehmgc. This allows `callPackage`ing this file without needing to
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# to implement behavior that this package flat out doesn't build without
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# anyway, but also allows easily overriding the patch logic.
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boehmgc-nix ? __forDefaults.boehmgc-nix,
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boehmgc,
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nlohmann_json,
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bison,
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build-release-notes ? __forDefaults.build-release-notes,
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boost,
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brotli,
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bzip2,
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cmake,
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curl,
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doxygen,
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editline-lix ? __forDefaults.editline-lix,
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editline,
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flex,
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git,
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gtest,
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jq,
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libarchive,
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libcpuid,
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libseccomp,
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libsodium,
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lsof,
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lowdown,
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mdbook,
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mdbook-linkcheck,
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mercurial,
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meson,
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ninja,
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openssl,
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pkg-config,
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python3,
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rapidcheck,
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sqlite,
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toml11,
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util-linuxMinimal ? utillinuxMinimal,
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utillinuxMinimal ? null,
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xz,
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busybox-sandbox-shell,
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# internal fork of nix-doc providing :doc in the repl
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lix-doc ? __forDefaults.lix-doc,
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pname ? "lix",
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versionSuffix ? "",
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officialRelease ? false,
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# Set to true to build the release notes for the next release.
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buildUnreleasedNotes ? true,
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internalApiDocs ? false,
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# Not a real argument, just the only way to approximate let-binding some
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# stuff for argument defaults.
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__forDefaults ? {
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canRunInstalled = stdenv.buildPlatform.canExecute stdenv.hostPlatform;
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boehmgc-nix = (boehmgc.override { enableLargeConfig = true; }).overrideAttrs {
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patches = [
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# We do *not* include prev.patches (which doesn't exist in normal pkgs.boehmgc anyway)
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# because if the caller of this package passed a patched boehm as `boehmgc` instead of
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# `boehmgc-nix` then this will almost certainly have duplicate patches, which means
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# the patches won't apply and we'll get a build failure.
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./boehmgc-coroutine-sp-fallback.diff
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];
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};
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editline-lix = editline.overrideAttrs (prev: {
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configureFlags = prev.configureFlags or [ ] ++ [ (lib.enableFeature true "sigstop") ];
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});
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lix-doc = pkgs.callPackage ./lix-doc/package.nix { };
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build-release-notes = pkgs.callPackage ./maintainers/build-release-notes.nix { };
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},
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}:
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let
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inherit (__forDefaults) canRunInstalled;
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inherit (lib) fileset;
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inherit (stdenv) hostPlatform buildPlatform;
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versionJson = builtins.fromJSON (builtins.readFile ./version.json);
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version = versionJson.version + versionSuffix;
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aws-sdk-cpp-nix = aws-sdk-cpp.override {
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apis = [
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"s3"
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"transfer"
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];
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customMemoryManagement = false;
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};
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# Reimplementation of Nixpkgs' Meson cross file, with some additions to make
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# it actually work.
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mesonCrossFile =
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let
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cpuFamily =
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platform:
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with platform;
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if isAarch32 then
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"arm"
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else if isx86_32 then
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"x86"
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else
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platform.uname.processor;
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in
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builtins.toFile "lix-cross-file.conf" ''
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[properties]
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# Meson is convinced that if !buildPlatform.canExecute hostPlatform then we cannot
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# build anything at all, which is not at all correct. If we can't execute the host
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# platform, we'll just disable tests and doc gen.
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needs_exe_wrapper = false
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[binaries]
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# Meson refuses to consider any CMake binary during cross compilation if it's
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# not explicitly specified here, in the cross file.
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# https://github.com/mesonbuild/meson/blob/0ed78cf6fa6d87c0738f67ae43525e661b50a8a2/mesonbuild/cmake/executor.py#L72
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cmake = 'cmake'
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'';
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# The internal API docs need these for the build, but if we're not building
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# Nix itself, then these don't need to be propagated.
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maybePropagatedInputs = [
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boehmgc-nix
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nlohmann_json
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];
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# .gitignore has already been processed, so any changes in it are irrelevant
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# at this point. It is not represented verbatim for test purposes because
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# that would interfere with repo semantics.
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baseFiles = fileset.fileFilter (f: f.name != ".gitignore") ./.;
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configureFiles = fileset.unions [ ./version.json ];
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topLevelBuildFiles = fileset.unions ([
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./meson.build
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./meson.options
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./meson
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./scripts/meson.build
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./subprojects
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]);
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functionalTestFiles = fileset.unions [
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./tests/functional
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./tests/unit
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(fileset.fileFilter (f: lib.strings.hasPrefix "nix-profile" f.name) ./scripts)
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];
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in
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stdenv.mkDerivation (finalAttrs: {
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inherit pname version;
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src = fileset.toSource {
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root = ./.;
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fileset = fileset.intersection baseFiles (
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fileset.unions (
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[
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configureFiles
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topLevelBuildFiles
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functionalTestFiles
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]
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++ lib.optionals (!finalAttrs.dontBuild || internalApiDocs) [
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./boehmgc-coroutine-sp-fallback.diff
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./doc
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./misc
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./src
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./COPYING
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]
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)
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);
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};
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VERSION_SUFFIX = versionSuffix;
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outputs =
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[ "out" ]
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++ lib.optionals (!finalAttrs.dontBuild) [
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"dev"
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"doc"
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];
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dontBuild = false;
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mesonFlags =
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lib.optionals hostPlatform.isLinux [
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# You'd think meson could just find this in PATH, but busybox is in buildInputs,
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# which don't actually get added to PATH. And buildInputs is correct over
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# nativeBuildInputs since this should be a busybox executable on the host.
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"-Dsandbox-shell=${lib.getExe' busybox-sandbox-shell "busybox"}"
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]
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++ lib.optional hostPlatform.isStatic "-Denable-embedded-sandbox-shell=true"
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++ lib.optional (finalAttrs.dontBuild) "-Denable-build=false"
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++ [
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# mesonConfigurePhase automatically passes -Dauto_features=enabled,
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# so we must explicitly enable or disable features that we are not passing
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# dependencies for.
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(lib.mesonEnable "internal-api-docs" internalApiDocs)
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(lib.mesonBool "enable-tests" finalAttrs.finalPackage.doCheck)
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(lib.mesonBool "enable-docs" canRunInstalled)
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]
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++ lib.optional (hostPlatform != buildPlatform) "--cross-file=${mesonCrossFile}";
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# We only include CMake so that Meson can locate toml11, which only ships CMake dependency metadata.
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dontUseCmakeConfigure = true;
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nativeBuildInputs =
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[
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bison
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flex
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python3
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meson
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ninja
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cmake
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]
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++ [
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(lib.getBin lowdown)
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mdbook
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mdbook-linkcheck
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]
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++ [
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pkg-config
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# Tests
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git
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mercurial
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jq
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lsof
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]
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++ lib.optional hostPlatform.isLinux util-linuxMinimal
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++ lib.optional (!officialRelease && buildUnreleasedNotes) build-release-notes
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++ lib.optional internalApiDocs doxygen;
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buildInputs =
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[
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curl
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bzip2
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xz
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brotli
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editline-lix
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openssl
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sqlite
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libarchive
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boost
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lowdown
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libsodium
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toml11
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lix-doc
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]
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++ lib.optionals hostPlatform.isLinux [
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libseccomp
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busybox-sandbox-shell
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]
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++ lib.optional internalApiDocs rapidcheck
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++ lib.optional hostPlatform.isx86_64 libcpuid
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# There have been issues building these dependencies
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++ lib.optional (hostPlatform.canExecute buildPlatform) aws-sdk-cpp-nix
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++ lib.optionals (finalAttrs.dontBuild) maybePropagatedInputs;
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checkInputs = [
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gtest
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rapidcheck
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];
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propagatedBuildInputs = lib.optionals (!finalAttrs.dontBuild) maybePropagatedInputs;
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disallowedReferences = [ boost ];
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# Needed for Meson to find Boost.
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# https://github.com/NixOS/nixpkgs/issues/86131.
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env = {
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BOOST_INCLUDEDIR = "${lib.getDev boost}/include";
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BOOST_LIBRARYDIR = "${lib.getLib boost}/lib";
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};
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preConfigure =
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lib.optionalString (!finalAttrs.dontBuild && !hostPlatform.isStatic) ''
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# Copy libboost_context so we don't get all of Boost in our closure.
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# https://github.com/NixOS/nixpkgs/issues/45462
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mkdir -p $out/lib
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cp -pd ${boost}/lib/{libboost_context*,libboost_thread*,libboost_system*} $out/lib
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rm -f $out/lib/*.a
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''
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+ lib.optionalString (!finalAttrs.dontBuild && hostPlatform.isLinux && !hostPlatform.isStatic) ''
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chmod u+w $out/lib/*.so.*
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patchelf --set-rpath $out/lib:${stdenv.cc.cc.lib}/lib $out/lib/libboost_thread.so.*
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''
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+ lib.optionalString (!finalAttrs.dontBuild && hostPlatform.isDarwin) ''
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for LIB in $out/lib/*.dylib; do
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chmod u+w $LIB
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install_name_tool -id $LIB $LIB
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install_name_tool -delete_rpath ${boost}/lib/ $LIB || true
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done
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install_name_tool -change ${boost}/lib/libboost_system.dylib $out/lib/libboost_system.dylib $out/lib/libboost_thread.dylib
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''
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+ ''
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# Workaround https://github.com/NixOS/nixpkgs/issues/294890.
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if [[ -n "''${doCheck:-}" ]]; then
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appendToVar configureFlags "--enable-tests"
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else
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appendToVar configureFlags "--disable-tests"
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fi
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'';
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mesonBuildType = "debugoptimized";
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installTargets = lib.optional internalApiDocs "internal-api-html";
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enableParallelBuilding = true;
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doCheck = canRunInstalled;
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mesonCheckFlags = [
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"--suite=check"
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"--print-errorlogs"
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];
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# the tests access localhost.
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__darwinAllowLocalNetworking = true;
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# Make sure the internal API docs are already built, because mesonInstallPhase
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# won't let us build them there. They would normally be built in buildPhase,
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# but the internal API docs are conventionally built with doBuild = false.
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preInstall = lib.optional internalApiDocs ''
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meson ''${mesonBuildFlags:-} compile "$installTargets"
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'';
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postInstall =
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lib.optionalString (!finalAttrs.dontBuild) ''
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mkdir -p $doc/nix-support
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echo "doc manual $doc/share/doc/nix/manual" >> $doc/nix-support/hydra-build-products
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''
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+ lib.optionalString hostPlatform.isStatic ''
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mkdir -p $out/nix-support
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echo "file binary-dist $out/bin/nix" >> $out/nix-support/hydra-build-products
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''
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+ lib.optionalString stdenv.isDarwin ''
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for lib in liblixutil.dylib liblixexpr.dylib; do
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install_name_tool \
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-change "${lib.getLib boost}/lib/libboost_context.dylib" \
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"$out/lib/libboost_context.dylib" \
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"$out/lib/$lib"
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done
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''
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+ lib.optionalString internalApiDocs ''
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mkdir -p $out/nix-support
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echo "doc internal-api-docs $out/share/doc/nix/internal-api/html" >> "$out/nix-support/hydra-build-products"
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'';
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doInstallCheck = finalAttrs.doCheck;
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mesonInstallCheckFlags = [
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"--suite=installcheck"
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"--print-errorlogs"
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];
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installCheckPhase = ''
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runHook preInstallCheck
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flagsArray=($mesonInstallCheckFlags "''${mesonInstallCheckFlagsArray[@]}")
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meson test --no-rebuild "''${flagsArray[@]}"
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runHook postInstallCheck
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'';
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separateDebugInfo = !hostPlatform.isStatic && !finalAttrs.dontBuild;
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strictDeps = true;
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# strictoverflow is disabled because we trap on signed overflow instead
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hardeningDisable = [ "strictoverflow" ] ++ lib.optional hostPlatform.isStatic "pie";
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meta = {
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mainProgram = "nix";
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platforms = lib.platforms.unix;
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};
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# Export the patched version of boehmgc.
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# flake.nix exports that into its overlay.
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passthru = {
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inherit (__forDefaults) boehmgc-nix editline-lix build-release-notes;
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inherit officialRelease;
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# The collection of dependency logic for this derivation is complicated enough that
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# it's easier to parameterize the devShell off an already called package.nix.
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mkDevShell =
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{
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mkShell,
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bashInteractive,
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clang-tools,
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clangbuildanalyzer,
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glibcLocales,
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just,
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llvmPackages,
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nixfmt,
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skopeo,
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xonsh,
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# Lix specific packages
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pre-commit-checks,
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contribNotice,
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}:
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let
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glibcFix = lib.optionalAttrs (buildPlatform.isLinux && glibcLocales != null) {
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# Required to make non-NixOS Linux not complain about missing locale files during configure in a dev shell
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LOCALE_ARCHIVE = "${lib.getLib pkgs.glibcLocales}/lib/locale/locale-archive";
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};
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pythonPackages = (
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p: [
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p.yapf
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p.python-frontmatter
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p.requests
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p.xdg-base-dirs
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(p.toPythonModule xonsh.passthru.unwrapped)
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]
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);
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pythonEnv = python3.withPackages pythonPackages;
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# pkgs.mkShell uses pkgs.stdenv by default, regardless of inputsFrom.
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actualMkShell = mkShell.override { inherit stdenv; };
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in
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actualMkShell (
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glibcFix
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// {
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name = "lix-shell-env";
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# finalPackage is necessary to propagate stuff that is set by mkDerivation itself,
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# like doCheck.
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inputsFrom = [ finalAttrs.finalPackage ];
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# For Meson to find Boost.
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env = finalAttrs.env;
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mesonFlags =
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# I guess this is necessary because mesonFlags to mkDerivation doesn't propagate in inputsFrom,
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# which only propagates stuff set in hooks? idk.
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finalAttrs.mesonFlags
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# Clangd breaks when GCC is using precompiled headers, so for the devshell specifically
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# we make precompiled C++ stdlib conditional on using Clang.
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# https://git.lix.systems/lix-project/lix/issues/374
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++ [ (lib.mesonBool "enable-pch-std" stdenv.cc.isClang) ];
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packages =
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lib.optional (stdenv.cc.isClang && hostPlatform == buildPlatform) clang-tools
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++ [
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# Why are we providing a bashInteractive? Well, when you run
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|
# `bash` from inside `nix develop`, say, because you are using it
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|
# via direnv, you will by default get bash (unusable edition).
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bashInteractive
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pythonEnv
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# docker image tool
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|
skopeo
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just
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nixfmt
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|
# Load-bearing order. Must come before clang-unwrapped below, but after clang_tools above.
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|
stdenv.cc
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]
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++ lib.optionals stdenv.cc.isClang [
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|
# Required for clang-tidy checks.
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|
llvmPackages.llvm
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|
llvmPackages.clang-unwrapped.dev
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|
]
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|
++ lib.optional (pre-commit-checks ? enabledPackages) pre-commit-checks.enabledPackages
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|
++ lib.optional (lib.meta.availableOn buildPlatform clangbuildanalyzer) clangbuildanalyzer
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|
++ finalAttrs.checkInputs;
|
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|
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shellHook = ''
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|
# don't re-run the hook in (other) nested nix-shells
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|
function lixShellHook() {
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|
# n.b. how the heck does this become -env-env? well, `nix develop` does it:
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|
# https://git.lix.systems/lix-project/lix/src/commit/7575db522e9008685c4009423398f6900a16bcce/src/nix/develop.cc#L240-L241
|
|
# this is, of course, absurd.
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|
if [[ $name != lix-shell-env && $name != lix-shell-env-env ]]; then
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return;
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|
fi
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PATH=$prefix/bin:$PATH
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|
unset PYTHONPATH
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|
export MANPATH=$out/share/man:$MANPATH
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|
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# Make bash completion work.
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|
XDG_DATA_DIRS+=:$out/share
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${lib.optionalString (pre-commit-checks ? shellHook) pre-commit-checks.shellHook}
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|
# Allow `touch .nocontribmsg` to turn this notice off.
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|
if ! [[ -f .nocontribmsg ]]; then
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cat ${contribNotice}
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|
fi
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|
|
# Install the Gerrit commit-msg hook.
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|
# (git common dir is the main .git, including for worktrees)
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|
if gitcommondir=$(git rev-parse --git-common-dir 2>/dev/null) && [[ ! -f "$gitcommondir/hooks/commit-msg" ]]; then
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echo 'Installing Gerrit commit-msg hook (adds Change-Id to commit messages)' >&2
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mkdir -p "$gitcommondir/hooks"
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|
curl -s -Lo "$gitcommondir/hooks/commit-msg" https://gerrit.lix.systems/tools/hooks/commit-msg
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chmod u+x "$gitcommondir/hooks/commit-msg"
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|
fi
|
|
unset gitcommondir
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|
}
|
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|
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lixShellHook
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|
'';
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|
}
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|
);
|
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|
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perl-bindings = pkgs.callPackage ./perl { inherit fileset stdenv; };
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|
|
binaryTarball = pkgs.callPackage ./nix-support/binary-tarball.nix {
|
|
nix = finalAttrs.finalPackage;
|
|
};
|
|
};
|
|
})
|