nixpkgs/pkgs/development/compilers/rust/rustc.nix
Jörg Thalheim b5c1deca8a
treewide: remove wkennington as maintainer
He prefers to contribute to his own nixpkgs fork triton.
Since he is still marked as maintainer in many packages
this leaves the wrong impression he still maintains those.
2019-01-26 10:05:32 +00:00

180 lines
6.3 KiB
Nix

{ stdenv, targetPackages, removeReferencesTo
, fetchurl, fetchgit, fetchzip, file, python2, tzdata, ps
, llvm, jemalloc, ncurses, darwin, rustPlatform, git, cmake, curl
, which, libffi, gdb
, version
, withBundledLLVM ? false
, src
, configureFlags ? []
, patches
, targets
, targetPatches
, targetToolchains
, doCheck ? true
, broken ? false
}:
let
inherit (stdenv.lib) optional optionalString;
inherit (darwin.apple_sdk.frameworks) Security;
llvmShared = llvm.override { enableSharedLibraries = true; };
prefixedJemalloc = jemalloc.override { stripPrefix = false; };
target = builtins.replaceStrings [" "] [","] (builtins.toString targets);
in
stdenv.mkDerivation {
name = "rustc-${version}";
inherit version;
inherit src;
__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
stripDebugList = if stdenv.isDarwin then [ "bin" ] else null;
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 ${llvmShared}/lib";
# Enable nightly features in stable compiles (used for
# bootstrapping, see https://github.com/rust-lang/rust/pull/37265).
# This loosens the hard restrictions on bootstrapping-compiler
# versions.
RUSTC_BOOTSTRAP = "1";
# Increase codegen units to introduce parallelism within the compiler.
RUSTFLAGS = "-Ccodegen-units=10";
# We need rust to build rust. If we don't provide it, configure will try to download it.
# Reference: https://github.com/rust-lang/rust/blob/master/src/bootstrap/configure.py
configureFlags = configureFlags
++ [ "--enable-local-rust" "--local-rust-root=${rustPlatform.rust.rustc}" "--enable-rpath"
"--enable-vendor"
"--jemalloc-root=${prefixedJemalloc}/lib"
"--default-linker=${targetPackages.stdenv.cc}/bin/cc" ]
++ optional (!withBundledLLVM) [ "--enable-llvm-link-shared" "--llvm-root=${llvmShared}" ]
++ optional (targets != []) "--target=${target}";
# 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 ++ targetPatches;
# the rust build system complains that nix alters the checksums
dontFixLibtool = true;
passthru.target = target;
postPatch = ''
patchShebangs src/etc
${optionalString (!withBundledLLVM) ''rm -rf src/llvm''}
rm -rf src/jemalloc
# 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-pre-gdb-7-7.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 need cmake for compiling 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 = targetToolchains
++ 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
'';
inherit doCheck;
# 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;
broken = broken;
};
}