nixpkgs/pkgs/development/compilers/rust/rustc.nix
volth f3282c8d1e treewide: remove unused variables (#63177)
* treewide: remove unused variables

* making ofborg happy
2019-06-16 19:59:05 +00:00

219 lines
8.6 KiB
Nix

{ stdenv, removeReferencesTo, pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
, fetchurl, file, python2, tzdata, ps
, llvm_7, darwin, git, cmake, rustPlatform
, which, libffi, gdb
, withBundledLLVM ? false
}:
let
inherit (stdenv.lib) optional optionalString;
inherit (darwin.apple_sdk.frameworks) Security;
llvmSharedForBuild = pkgsBuildBuild.llvm_7.override { enableSharedLibraries = true; };
llvmSharedForHost = pkgsBuildHost.llvm_7.override { enableSharedLibraries = true; };
llvmSharedForTarget = pkgsBuildTarget.llvm_7.override { enableSharedLibraries = true; };
# For use at runtime
llvmShared = llvm_7.override { enableSharedLibraries = true; };
in stdenv.mkDerivation rec {
pname = "rustc";
version = "1.34.2";
src = fetchurl {
url = "https://static.rust-lang.org/dist/rustc-${version}-src.tar.gz";
sha256 = "0mig0prkmlnpbba1cmi17vlsl88ikv5pi26zjy2kcr64l62lm6n6";
};
__darwinAllowLocalNetworking = true;
# rustc complains about modified source files otherwise
dontUpdateAutotoolsGnuConfigScripts = true;
# Running the default `strip -S` command on Darwin corrupts the
# .rlib files in "lib/".
#
# See https://github.com/NixOS/nixpkgs/pull/34227
#
# Running `strip -S` when cross compiling can harm the cross rlibs.
# See: https://github.com/NixOS/nixpkgs/pull/56540#issuecomment-471624656
stripDebugList = [ "bin" ];
NIX_LDFLAGS =
# when linking stage1 libstd: cc: undefined reference to `__cxa_begin_catch'
optional (stdenv.isLinux && !withBundledLLVM) "--push-state --as-needed -lstdc++ --pop-state"
++ optional (stdenv.isDarwin && !withBundledLLVM) "-lc++"
++ optional stdenv.isDarwin "-rpath ${llvmSharedForHost}/lib";
# Enable nightly features in stable compiles (used for
# bootstrapping, see https://github.com/rust-lang/rust/pull/37265).
# This loosens the hard restrictions on bootstrapping-compiler
# versions.
RUSTC_BOOTSTRAP = "1";
# Increase codegen units to introduce parallelism within the compiler.
RUSTFLAGS = "-Ccodegen-units=10";
# We need rust to build rust. If we don't provide it, configure will try to download it.
# Reference: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
configureFlags = let
setBuild = "--set=target.${stdenv.buildPlatform.config}";
setHost = "--set=target.${stdenv.hostPlatform.config}";
setTarget = "--set=target.${stdenv.targetPlatform.config}";
ccForBuild = "${pkgsBuildBuild.targetPackages.stdenv.cc}/bin/${pkgsBuildBuild.targetPackages.stdenv.cc.targetPrefix}cc";
cxxForBuild = "${pkgsBuildBuild.targetPackages.stdenv.cc}/bin/${pkgsBuildBuild.targetPackages.stdenv.cc.targetPrefix}c++";
ccForHost = "${pkgsBuildHost.targetPackages.stdenv.cc}/bin/${pkgsBuildHost.targetPackages.stdenv.cc.targetPrefix}cc";
cxxForHost = "${pkgsBuildHost.targetPackages.stdenv.cc}/bin/${pkgsBuildHost.targetPackages.stdenv.cc.targetPrefix}c++";
ccForTarget = "${pkgsBuildTarget.targetPackages.stdenv.cc}/bin/${pkgsBuildTarget.targetPackages.stdenv.cc.targetPrefix}cc";
cxxForTarget = "${pkgsBuildTarget.targetPackages.stdenv.cc}/bin/${pkgsBuildTarget.targetPackages.stdenv.cc.targetPrefix}c++";
in [
"--release-channel=stable"
"--set=build.rustc=${rustPlatform.rust.rustc}/bin/rustc"
"--set=build.cargo=${rustPlatform.rust.cargo}/bin/cargo"
"--enable-rpath"
"--enable-vendor"
"--build=${stdenv.buildPlatform.config}"
"--host=${stdenv.hostPlatform.config}"
"--target=${stdenv.targetPlatform.config}"
"${setBuild}.cc=${ccForBuild}"
"${setHost}.cc=${ccForHost}"
"${setTarget}.cc=${ccForTarget}"
"${setBuild}.linker=${ccForBuild}"
"${setHost}.linker=${ccForHost}"
"${setTarget}.linker=${ccForTarget}"
"${setBuild}.cxx=${cxxForBuild}"
"${setHost}.cxx=${cxxForHost}"
"${setTarget}.cxx=${cxxForTarget}"
] ++ optional (!withBundledLLVM) [
"--enable-llvm-link-shared"
"${setBuild}.llvm-config=${llvmSharedForBuild}/bin/llvm-config"
"${setHost}.llvm-config=${llvmSharedForHost}/bin/llvm-config"
"${setTarget}.llvm-config=${llvmSharedForTarget}/bin/llvm-config"
];
# The bootstrap.py will generated a Makefile that then executes the build.
# The BOOTSTRAP_ARGS used by this Makefile must include all flags to pass
# to the bootstrap builder.
postConfigure = ''
substituteInPlace Makefile \
--replace 'BOOTSTRAP_ARGS :=' 'BOOTSTRAP_ARGS := --jobs $(NIX_BUILD_CORES)'
'';
patches = [
./patches/net-tcp-disable-tests.patch
# Re-evaluate if this we need to disable this one
#./patches/stdsimd-disable-doctest.patch
# Fails on hydra - not locally; the exact reason is unknown.
# Comments in the test suggest that some non-reproducible environment
# variables such $RANDOM can make it fail.
# ./patches/disable-test-inherit-env.patch
];
# the rust build system complains that nix alters the checksums
dontFixLibtool = true;
postPatch = ''
patchShebangs src/etc
${optionalString (!withBundledLLVM) ''rm -rf src/llvm''}
# Fix the configure script to not require curl as we won't use it
sed -i configure \
-e '/probe_need CFG_CURL curl/d'
# On Hydra: `TcpListener::bind(&addr)`: Address already in use (os error 98)'
sed '/^ *fn fast_rebind()/i#[ignore]' -i src/libstd/net/tcp.rs
# https://github.com/rust-lang/rust/issues/39522
echo removing gdb-version-sensitive tests...
find src/test/debuginfo -type f -execdir grep -q ignore-gdb-version '{}' \; -print -delete
rm src/test/debuginfo/{borrowed-c-style-enum.rs,c-style-enum-in-composite.rs,gdb-pretty-struct-and-enums.rs,generic-enum-with-different-disr-sizes.rs}
# Useful debugging parameter
# export VERBOSE=1
'' + optionalString stdenv.isDarwin ''
# Disable all lldb tests.
# error: Can't run LLDB test because LLDB's python path is not set
rm -vr src/test/debuginfo/*
rm -v src/test/run-pass/backtrace-debuginfo.rs || true
# error: No such file or directory
rm -v src/test/ui/run-pass/issues/issue-45731.rs || true
# Disable tests that fail when sandboxing is enabled.
substituteInPlace src/libstd/sys/unix/ext/net.rs \
--replace '#[test]' '#[test] #[ignore]'
substituteInPlace src/test/run-pass/env-home-dir.rs \
--replace 'home_dir().is_some()' true
rm -v src/test/run-pass/fds-are-cloexec.rs || true # FIXME: pipes?
rm -v src/test/ui/run-pass/threads-sendsync/sync-send-in-std.rs || true # FIXME: ???
'';
# rustc unfortunately needs cmake to compile llvm-rt but doesn't
# use it for the normal build. This disables cmake in Nix.
dontUseCmakeConfigure = true;
# ps is needed for one of the test cases
nativeBuildInputs = [
file python2 ps rustPlatform.rust.rustc git cmake
which libffi removeReferencesTo
] # Only needed for the debuginfo tests
++ optional (!stdenv.isDarwin) gdb;
buildInputs = optional stdenv.isDarwin Security
++ optional (!withBundledLLVM) llvmShared;
outputs = [ "out" "man" "doc" ];
setOutputFlags = false;
# Disable codegen units and hardening for the tests.
preCheck = ''
export RUSTFLAGS=
export TZDIR=${tzdata}/share/zoneinfo
export hardeningDisable=all
'' +
# Ensure TMPDIR is set, and disable a test that removing the HOME
# variable from the environment falls back to another home
# directory.
optionalString stdenv.isDarwin ''
export TMPDIR=/tmp
sed -i '28s/home_dir().is_some()/true/' ./src/test/run-pass/env-home-dir.rs
'';
# 1. Upstream is not running tests on aarch64:
# see https://github.com/rust-lang/rust/issues/49807#issuecomment-380860567
# So we do the same.
# 2. Tests run out of memory for i686
#doCheck = !stdenv.isAarch64 && !stdenv.isi686;
# Disabled for now; see https://github.com/NixOS/nixpkgs/pull/42348#issuecomment-402115598.
doCheck = false;
# remove references to llvm-config in lib/rustlib/x86_64-unknown-linux-gnu/codegen-backends/librustc_codegen_llvm-llvm.so
# and thus a transitive dependency on ncurses
postInstall = ''
find $out/lib -name "*.so" -type f -exec remove-references-to -t ${llvmShared} '{}' '+'
'';
configurePlatforms = [];
# https://github.com/NixOS/nixpkgs/pull/21742#issuecomment-272305764
# https://github.com/rust-lang/rust/issues/30181
# enableParallelBuilding = false;
requiredSystemFeatures = [ "big-parallel" ];
meta = with stdenv.lib; {
homepage = https://www.rust-lang.org/;
description = "A safe, concurrent, practical language";
maintainers = with maintainers; [ madjar cstrahan wizeman globin havvy ];
license = [ licenses.mit licenses.asl20 ];
platforms = platforms.linux ++ platforms.darwin;
};
}