186 lines
7 KiB
Nix
186 lines
7 KiB
Nix
{ lib, stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
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, llvmShared, llvmSharedForBuild, llvmSharedForHost, llvmSharedForTarget
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, fetchurl, file, python3
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, darwin, cmake, rust, rustPlatform
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, pkg-config, openssl
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, libiconv
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, which, libffi
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, withBundledLLVM ? false
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, enableRustcDev ? true
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, version
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, sha256
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, patches ? []
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}:
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let
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inherit (lib) optionals optional optionalString concatStringsSep;
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inherit (darwin.apple_sdk.frameworks) Security;
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in stdenv.mkDerivation rec {
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pname = "rustc";
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inherit version;
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src = fetchurl {
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url = "https://static.rust-lang.org/dist/rustc-${version}-src.tar.gz";
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inherit sha256;
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};
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__darwinAllowLocalNetworking = true;
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# rustc complains about modified source files otherwise
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dontUpdateAutotoolsGnuConfigScripts = true;
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# Running the default `strip -S` command on Darwin corrupts the
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# .rlib files in "lib/".
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#
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# See https://github.com/NixOS/nixpkgs/pull/34227
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#
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# Running `strip -S` when cross compiling can harm the cross rlibs.
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# See: https://github.com/NixOS/nixpkgs/pull/56540#issuecomment-471624656
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stripDebugList = [ "bin" ];
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NIX_LDFLAGS = toString (
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# when linking stage1 libstd: cc: undefined reference to `__cxa_begin_catch'
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optional (stdenv.isLinux && !withBundledLLVM) "--push-state --as-needed -lstdc++ --pop-state"
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++ optional (stdenv.isDarwin && !withBundledLLVM) "-lc++"
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++ optional stdenv.isDarwin "-rpath ${llvmSharedForHost}/lib");
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# Increase codegen units to introduce parallelism within the compiler.
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RUSTFLAGS = "-Ccodegen-units=10";
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# We need rust to build rust. If we don't provide it, configure will try to download it.
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# Reference: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
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configureFlags = let
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setBuild = "--set=target.${rust.toRustTarget stdenv.buildPlatform}";
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setHost = "--set=target.${rust.toRustTarget stdenv.hostPlatform}";
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setTarget = "--set=target.${rust.toRustTarget stdenv.targetPlatform}";
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ccForBuild = "${pkgsBuildBuild.targetPackages.stdenv.cc}/bin/${pkgsBuildBuild.targetPackages.stdenv.cc.targetPrefix}cc";
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cxxForBuild = "${pkgsBuildBuild.targetPackages.stdenv.cc}/bin/${pkgsBuildBuild.targetPackages.stdenv.cc.targetPrefix}c++";
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ccForHost = "${pkgsBuildHost.targetPackages.stdenv.cc}/bin/${pkgsBuildHost.targetPackages.stdenv.cc.targetPrefix}cc";
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cxxForHost = "${pkgsBuildHost.targetPackages.stdenv.cc}/bin/${pkgsBuildHost.targetPackages.stdenv.cc.targetPrefix}c++";
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ccForTarget = "${pkgsBuildTarget.targetPackages.stdenv.cc}/bin/${pkgsBuildTarget.targetPackages.stdenv.cc.targetPrefix}cc";
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cxxForTarget = "${pkgsBuildTarget.targetPackages.stdenv.cc}/bin/${pkgsBuildTarget.targetPackages.stdenv.cc.targetPrefix}c++";
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in [
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"--release-channel=stable"
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"--set=build.rustc=${rustPlatform.rust.rustc}/bin/rustc"
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"--set=build.cargo=${rustPlatform.rust.cargo}/bin/cargo"
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"--enable-rpath"
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"--enable-vendor"
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"--build=${rust.toRustTargetSpec stdenv.buildPlatform}"
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"--host=${rust.toRustTargetSpec stdenv.hostPlatform}"
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# std is built for all platforms in --target. When building a cross-compiler
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# we need to add the host platform as well so rustc can compile build.rs
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# scripts.
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"--target=${concatStringsSep "," ([
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(rust.toRustTargetSpec stdenv.targetPlatform)
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] ++ optionals (stdenv.hostPlatform != stdenv.targetPlatform) [
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(rust.toRustTargetSpec stdenv.hostPlatform)
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])}"
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"${setBuild}.cc=${ccForBuild}"
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"${setHost}.cc=${ccForHost}"
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"${setTarget}.cc=${ccForTarget}"
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"${setBuild}.linker=${ccForBuild}"
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"${setHost}.linker=${ccForHost}"
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"${setTarget}.linker=${ccForTarget}"
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"${setBuild}.cxx=${cxxForBuild}"
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"${setHost}.cxx=${cxxForHost}"
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"${setTarget}.cxx=${cxxForTarget}"
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] ++ optionals (!withBundledLLVM) [
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"--enable-llvm-link-shared"
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"${setBuild}.llvm-config=${llvmSharedForBuild.dev}/bin/llvm-config"
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"${setHost}.llvm-config=${llvmSharedForHost.dev}/bin/llvm-config"
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"${setTarget}.llvm-config=${llvmSharedForTarget.dev}/bin/llvm-config"
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] ++ optionals (stdenv.isLinux && !stdenv.targetPlatform.isRedox) [
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"--enable-profiler" # build libprofiler_builtins
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] ++ optionals stdenv.buildPlatform.isMusl [
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"${setBuild}.musl-root=${pkgsBuildBuild.targetPackages.stdenv.cc.libc}"
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] ++ optionals stdenv.hostPlatform.isMusl [
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"${setHost}.musl-root=${pkgsBuildHost.targetPackages.stdenv.cc.libc}"
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] ++ optionals stdenv.targetPlatform.isMusl [
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"${setTarget}.musl-root=${pkgsBuildTarget.targetPackages.stdenv.cc.libc}"
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];
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# The bootstrap.py will generated a Makefile that then executes the build.
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# The BOOTSTRAP_ARGS used by this Makefile must include all flags to pass
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# to the bootstrap builder.
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postConfigure = ''
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substituteInPlace Makefile \
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--replace 'BOOTSTRAP_ARGS :=' 'BOOTSTRAP_ARGS := --jobs $(NIX_BUILD_CORES)'
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'';
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# the rust build system complains that nix alters the checksums
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dontFixLibtool = true;
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inherit patches;
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postPatch = ''
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patchShebangs src/etc
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${optionalString (!withBundledLLVM) "rm -rf src/llvm"}
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# Fix the configure script to not require curl as we won't use it
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sed -i configure \
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-e '/probe_need CFG_CURL curl/d'
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# Useful debugging parameter
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# export VERBOSE=1
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'';
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# rustc unfortunately needs cmake to compile llvm-rt but doesn't
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# use it for the normal build. This disables cmake in Nix.
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dontUseCmakeConfigure = true;
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nativeBuildInputs = [
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file python3 rustPlatform.rust.rustc cmake
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which libffi removeReferencesTo pkg-config
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];
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buildInputs = [ openssl ]
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++ optionals stdenv.isDarwin [ libiconv Security ]
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++ optional (!withBundledLLVM) llvmShared;
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outputs = [ "out" "man" "doc" ];
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setOutputFlags = false;
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postInstall = lib.optionalString enableRustcDev ''
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# install rustc-dev components. Necessary to build rls, clippy...
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python x.py dist rustc-dev
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tar xf build/dist/rustc-dev*tar.gz
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cp -r rustc-dev*/rustc-dev*/lib/* $out/lib/
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rm $out/lib/rustlib/install.log
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for m in $out/lib/rustlib/manifest-rust*
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do
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sort --output=$m < $m
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done
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'' + ''
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# remove references to llvm-config in lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so
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# and thus a transitive dependency on ncurses
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find $out/lib -name "*.so" -type f -exec remove-references-to -t ${llvmShared} '{}' '+'
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# remove uninstall script that doesn't really make sense for Nix.
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rm $out/lib/rustlib/uninstall.sh
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'';
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configurePlatforms = [];
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# https://github.com/NixOS/nixpkgs/pull/21742#issuecomment-272305764
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# https://github.com/rust-lang/rust/issues/30181
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# enableParallelBuilding = false;
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setupHooks = ./setup-hook.sh;
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requiredSystemFeatures = [ "big-parallel" ];
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passthru.llvm = llvmShared;
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meta = with lib; {
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homepage = "https://www.rust-lang.org/";
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description = "A safe, concurrent, practical language";
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maintainers = with maintainers; [ madjar cstrahan globin havvy ];
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license = [ licenses.mit licenses.asl20 ];
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platforms = platforms.linux ++ platforms.darwin;
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};
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}
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