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{ stdenv, fetchurl, fetchgit, fetchzip, file, python2, tzdata, procps
, llvm, jemalloc, ncurses, darwin, binutils, rustPlatform, git, cmake, curl
, which, libffi, gdb
, version
, forceBundledLLVM ? false
, src
, configureFlags ? []
, patches
, targets
, targetPatches
, targetToolchains
, doCheck ? true
, buildPlatform, hostPlatform
} @ args:
let
inherit (stdenv.lib) optional optionalString;
procps = if stdenv.isDarwin then darwin.ps else args.procps;
llvmShared = llvm.override { enableSharedLibraries = true; };
target = builtins.replaceStrings [" "] [","] (builtins.toString targets);
in
stdenv.mkDerivation {
name = "rustc-${version}";
inherit version;
inherit src;
__impureHostDeps = [ "/usr/lib/libedit.3.dylib" ];
NIX_LDFLAGS = optionalString stdenv.isDarwin "-rpath ${llvmShared}/lib";
# Enable nightly features in stable compiles (used for
# bootstrapping, see https://github.com/rust-lang/rust/pull/37265).
# This loosens the hard restrictions on bootstrapping-compiler
# versions.
RUSTC_BOOTSTRAP = "1";
# Increase codegen units to introduce parallelism within the compiler.
RUSTFLAGS = "-Ccodegen-units=10";
# We need rust to build rust. If we don't provide it, configure will try to download it.
configureFlags = configureFlags
++ [ "--enable-local-rust" "--local-rust-root=${rustPlatform.rust.rustc}" "--enable-rpath" ]
++ [ "--enable-vendor" "--disable-locked-deps" ]
++ [ "--enable-llvm-link-shared" ]
# ++ [ "--jemalloc-root=${jemalloc}/lib"
++ [ "--default-linker=${stdenv.cc}/bin/cc" "--default-ar=${binutils.out}/bin/ar" ]
++ optional (stdenv.cc.cc ? isClang) "--enable-clang"
++ optional (targets != []) "--target=${target}"
++ optional (!forceBundledLLVM) "--llvm-root=${llvmShared}";
patches = patches ++ targetPatches;
passthru.target = target;
postPatch = ''
# Fix dynamic linking against llvm
#${optionalString (!forceBundledLLVM) ''sed -i 's/, kind = \\"static\\"//g' src/etc/mklldeps.py''}
# Fix the configure script to not require curl as we won't use it
sed -i configure \
-e '/probe_need CFG_CURL curl/d'
# Fix the use of jemalloc prefixes which our jemalloc doesn't have
# TODO: reenable if we can figure out how to get our jemalloc to work
#[ -f src/liballoc_jemalloc/lib.rs ] && sed -i 's,je_,,g' src/liballoc_jemalloc/lib.rs
#[ -f src/liballoc/heap.rs ] && sed -i 's,je_,,g' src/liballoc/heap.rs # Remove for 1.4.0+
# Disable fragile linker-output-non-utf8 test
rm -vr src/test/run-make/linker-output-non-utf8 || true
# Remove test targeted at LLVM 3.9 - https://github.com/rust-lang/rust/issues/36835
rm -vr src/test/run-pass/issue-36023.rs || true
# Disable test getting stuck on hydra - possible fix:
# https://reviews.llvm.org/rL281650
rm -vr src/test/run-pass/issue-36474.rs || true
# Disable some failing gdb tests. Try re-enabling these when gdb
# is updated past version 7.12.
rm src/test/debuginfo/basic-types-globals.rs
rm src/test/debuginfo/basic-types-mut-globals.rs
rm src/test/debuginfo/c-style-enum.rs
rm src/test/debuginfo/lexical-scopes-in-block-expression.rs
rm src/test/debuginfo/limited-debuginfo.rs
rm src/test/debuginfo/simple-struct.rs
rm src/test/debuginfo/simple-tuple.rs
rm src/test/debuginfo/union-smoke.rs
rm src/test/debuginfo/vec-slices.rs
rm src/test/debuginfo/vec.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/*
'';
preConfigure = ''
# Needed flags as the upstream configure script has a broken prefix substitution
configureFlagsArray+=("--datadir=$out/share")
configureFlagsArray+=("--infodir=$out/share/info")
'';
# 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 procps rustPlatform.rust.rustc git cmake
which libffi gdb ];
buildInputs = [ ncurses ] ++ targetToolchains
++ optional (!forceBundledLLVM) llvmShared;
outputs = [ "out" "doc" ];
setOutputFlags = false;
# Disable codegen units for the tests.
preCheck = ''
export RUSTFLAGS=
export TZDIR=${tzdata}/share/zoneinfo
'' +
# 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;
${if buildPlatform == hostPlatform then "dontSetConfigureCross" else null} = true;
${if buildPlatform != hostPlatform then "configurePlatforms" else null} = [];
# https://github.com/NixOS/nixpkgs/pull/21742#issuecomment-272305764
# https://github.com/rust-lang/rust/issues/30181
# enableParallelBuilding = false;
meta = with stdenv.lib; {
homepage = http://www.rust-lang.org/;
description = "A safe, concurrent, practical language";
maintainers = with maintainers; [ madjar cstrahan wizeman globin havvy wkennington ];
license = [ licenses.mit licenses.asl20 ];
platforms = platforms.linux ++ platforms.darwin;
};
}
|