mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-29 17:14:33 +00:00
302 lines
12 KiB
Nix
302 lines
12 KiB
Nix
{ lib, stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget, targetPackages
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, llvmShared, llvmSharedForBuild, llvmSharedForHost, llvmSharedForTarget, llvmPackages
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, fetchurl, file, python3
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, darwin, cargo, cmake, rustc, rustfmt
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, pkg-config, openssl, xz
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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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, fd
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, ripgrep
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, wezterm
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, firefox
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, thunderbird
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# This only builds std for target and reuses the rustc from build.
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, fastCross
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, lndir
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, makeWrapper
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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 (finalAttrs: {
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pname = "${targetPackages.stdenv.cc.targetPrefix}rustc";
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inherit version;
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src = fetchurl {
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url = "https://static.rust-lang.org/dist/rustc-${version}-src.tar.gz";
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inherit sha256;
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# See https://nixos.org/manual/nixpkgs/stable/#using-git-bisect-on-the-rust-compiler
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passthru.isReleaseTarball = true;
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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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# The Rust pkg-config crate does not support prefixed pkg-config executables[1],
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# but it does support checking these idiosyncratic PKG_CONFIG_${TRIPLE}
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# environment variables.
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# [1]: https://github.com/rust-lang/pkg-config-rs/issues/53
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"PKG_CONFIG_${builtins.replaceStrings ["-"] ["_"] stdenv.buildPlatform.rust.rustcTarget}" =
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"${pkgsBuildHost.stdenv.cc.targetPrefix}pkg-config";
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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++ -lc++abi"
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++ optional stdenv.isDarwin "-rpath ${llvmSharedForHost}/lib");
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# Increase codegen units to introduce parallelism within the compiler.
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RUSTFLAGS = "-Ccodegen-units=10";
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RUSTDOCFLAGS = "-A rustdoc::broken-intra-doc-links";
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# We need rust to build rust. If we don't provide it, configure will try to download it.
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# Reference: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
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configureFlags = let
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prefixForStdenv = stdenv: "${stdenv.cc}/bin/${stdenv.cc.targetPrefix}";
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ccPrefixForStdenv = stdenv: "${prefixForStdenv stdenv}${if (stdenv.cc.isClang or false) then "clang" else "cc"}";
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cxxPrefixForStdenv = stdenv: "${prefixForStdenv stdenv}${if (stdenv.cc.isClang or false) then "clang++" else "c++"}";
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setBuild = "--set=target.${stdenv.buildPlatform.rust.rustcTarget}";
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setHost = "--set=target.${stdenv.hostPlatform.rust.rustcTarget}";
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setTarget = "--set=target.${stdenv.targetPlatform.rust.rustcTarget}";
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ccForBuild = ccPrefixForStdenv pkgsBuildBuild.targetPackages.stdenv;
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cxxForBuild = cxxPrefixForStdenv pkgsBuildBuild.targetPackages.stdenv;
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ccForHost = ccPrefixForStdenv pkgsBuildHost.targetPackages.stdenv;
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cxxForHost = cxxPrefixForStdenv pkgsBuildHost.targetPackages.stdenv;
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ccForTarget = ccPrefixForStdenv pkgsBuildTarget.targetPackages.stdenv;
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cxxForTarget = cxxPrefixForStdenv pkgsBuildTarget.targetPackages.stdenv;
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in [
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"--sysconfdir=${placeholder "out"}/etc"
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"--release-channel=stable"
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"--set=build.rustc=${rustc}/bin/rustc"
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"--set=build.cargo=${cargo}/bin/cargo"
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] ++ lib.optionals (!(finalAttrs.src.passthru.isReleaseTarball or false)) [
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# release tarballs vendor the rustfmt source; when
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# git-bisect'ing from upstream's git repo we must prevent
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# attempts to download the missing source tarball
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"--set=build.rustfmt=${rustfmt}/bin/rustfmt"
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] ++ [
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"--tools=rustc,rust-analyzer-proc-macro-srv"
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"--enable-rpath"
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"--enable-vendor"
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"--build=${stdenv.buildPlatform.rust.rustcTargetSpec}"
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"--host=${stdenv.hostPlatform.rust.rustcTargetSpec}"
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# std is built for all platforms in --target.
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"--target=${concatStringsSep "," ([
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stdenv.targetPlatform.rust.rustcTargetSpec
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# Other targets that don't need any extra dependencies to build.
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] ++ optionals (!fastCross) [
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"wasm32-unknown-unknown"
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# (build!=target): When cross-building a compiler we need to add
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# the build platform as well so rustc can compile build.rs
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# scripts.
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] ++ optionals (stdenv.buildPlatform != stdenv.targetPlatform && !fastCross) [
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stdenv.buildPlatform.rust.rustcTargetSpec
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# (host!=target): When building a cross-targeting compiler we
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# need to add the host platform as well so rustc can compile
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# build.rs scripts.
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] ++ optionals (stdenv.hostPlatform != stdenv.targetPlatform && !fastCross) [
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stdenv.hostPlatform.rust.rustcTargetSpec
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])}"
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"${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=${cxxForTarget}"
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"${setBuild}.crt-static=${lib.boolToString stdenv.buildPlatform.isStatic}"
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"${setHost}.crt-static=${lib.boolToString stdenv.hostPlatform.isStatic}"
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"${setTarget}.crt-static=${lib.boolToString stdenv.targetPlatform.isStatic}"
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] ++ optionals (!withBundledLLVM) [
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"--enable-llvm-link-shared"
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"${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=${pkgsBuildTarget.targetPackages.stdenv.cc.libc}"
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] ++ optionals stdenv.targetPlatform.rust.isNoStdTarget [
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"--disable-docs"
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] ++ optionals (stdenv.isDarwin && stdenv.isx86_64) [
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# https://github.com/rust-lang/rust/issues/92173
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"--set rust.jemalloc"
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];
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# if we already have a rust compiler for build just compile the target std
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# library and reuse compiler
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buildPhase = if fastCross then "
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runHook preBuild
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mkdir -p build/${stdenv.hostPlatform.rust.rustcTargetSpec}/stage0-{std,rustc}/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/
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ln -s ${rustc.unwrapped}/lib/rustlib/${stdenv.hostPlatform.rust.rustcTargetSpec}/libstd-*.so build/${stdenv.hostPlatform.rust.rustcTargetSpec}/stage0-std/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/libstd.so
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ln -s ${rustc.unwrapped}/lib/rustlib/${stdenv.hostPlatform.rust.rustcTargetSpec}/librustc_driver-*.so build/${stdenv.hostPlatform.rust.rustcTargetSpec}/stage0-rustc/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/librustc.so
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ln -s ${rustc.unwrapped}/bin/rustc build/${stdenv.hostPlatform.rust.rustcTargetSpec}/stage0-rustc/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/rustc-main
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touch build/${stdenv.hostPlatform.rust.rustcTargetSpec}/stage0-std/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/.libstd.stamp
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touch build/${stdenv.hostPlatform.rust.rustcTargetSpec}/stage0-rustc/${stdenv.hostPlatform.rust.rustcTargetSpec}/release/.librustc.stamp
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python ./x.py --keep-stage=0 --stage=1 build library
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runHook postBuild
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" else null;
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installPhase = if fastCross then ''
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runHook preInstall
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python ./x.py --keep-stage=0 --stage=1 install library/std
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mkdir -v $out/bin $doc $man
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ln -s ${rustc.unwrapped}/bin/rustc $out/bin
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makeWrapper ${rustc.unwrapped}/bin/rustdoc $out/bin/rustdoc --add-flags "--sysroot $out"
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ln -s ${rustc.unwrapped}/lib/rustlib/{manifest-rust-std-,}${stdenv.hostPlatform.rust.rustcTargetSpec} $out/lib/rustlib/
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echo rust-std-${stdenv.hostPlatform.rust.rustcTargetSpec} >> $out/lib/rustlib/components
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lndir ${rustc.doc} $doc
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lndir ${rustc.man} $man
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runHook postInstall
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'' else null;
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# the rust build system complains that nix alters the checksums
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dontFixLibtool = true;
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inherit patches;
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postPatch = ''
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patchShebangs src/etc
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${optionalString (!withBundledLLVM) "rm -rf src/llvm"}
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# Useful debugging parameter
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# export VERBOSE=1
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'' + lib.optionalString (stdenv.targetPlatform.isMusl && !stdenv.targetPlatform.isStatic) ''
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# Upstream rustc still assumes that musl = static[1]. The fix for
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# this is to disable crt-static by default for non-static musl
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# targets.
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#
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# Even though Cargo will build build.rs files for the build platform,
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# cross-compiling _from_ musl appears to work fine, so we only need
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# to do this when rustc's target platform is dynamically linked musl.
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#
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# [1]: https://github.com/rust-lang/compiler-team/issues/422
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substituteInPlace compiler/rustc_target/src/spec/base/linux_musl.rs \
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--replace "base.crt_static_default = true" "base.crt_static_default = false"
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'' + lib.optionalString (stdenv.isDarwin && stdenv.isx86_64) ''
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# See https://github.com/jemalloc/jemalloc/issues/1997
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# Using a value of 48 should work on both emulated and native x86_64-darwin.
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export JEMALLOC_SYS_WITH_LG_VADDR=48
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'' + lib.optionalString (!(finalAttrs.src.passthru.isReleaseTarball or false)) ''
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mkdir .cargo
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cat > .cargo/config <<\EOF
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[source.crates-io]
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replace-with = "vendored-sources"
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[source.vendored-sources]
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directory = "vendor"
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EOF
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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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depsBuildBuild = [ pkgsBuildHost.stdenv.cc pkg-config ];
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nativeBuildInputs = [
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file python3 rustc cmake
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which libffi removeReferencesTo pkg-config xz
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]
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++ optionals fastCross [ lndir makeWrapper ];
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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 && !fastCross) ''
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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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enableParallelBuilding = true;
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setupHooks = ./setup-hook.sh;
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requiredSystemFeatures = [ "big-parallel" ];
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passthru = {
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llvm = llvmShared;
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inherit llvmPackages;
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tests = {
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inherit fd ripgrep wezterm;
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} // lib.optionalAttrs stdenv.hostPlatform.isLinux { inherit firefox thunderbird; };
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};
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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; [ havvy ] ++ teams.rust.members;
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license = [ licenses.mit licenses.asl20 ];
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platforms = [
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# Platforms with host tools from
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# https://doc.rust-lang.org/nightly/rustc/platform-support.html
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"x86_64-darwin" "i686-darwin" "aarch64-darwin"
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"i686-freebsd13" "x86_64-freebsd13"
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"x86_64-solaris"
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"aarch64-linux" "armv6l-linux" "armv7l-linux" "i686-linux"
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"loongarch64-linux" "powerpc64-linux" "powerpc64le-linux"
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"riscv64-linux" "s390x-linux" "x86_64-linux"
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"aarch64-netbsd" "armv7l-netbsd" "i686-netbsd" "powerpc-netbsd"
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"x86_64-netbsd"
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"i686-openbsd" "x86_64-openbsd"
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"i686-windows" "x86_64-windows"
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];
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};
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})
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