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|
{ lib, stdenv
, fetchurl
, mrustc
, mrustc-minicargo
, llvm_12
, llvmPackages_12
, libffi
, cmake
, python3
, zlib
, libxml2
, openssl
, pkg-config
, curl
, which
, time
}:
let
mrustcTargetVersion = "1.54";
rustcVersion = "1.54.0";
rustcSrc = fetchurl {
url = "https://static.rust-lang.org/dist/rustc-${rustcVersion}-src.tar.gz";
sha256 = "0xk9dhfff16caambmwij67zgshd8v9djw6ha0fnnanlv7rii31dc";
};
rustcDir = "rustc-${rustcVersion}-src";
outputDir = "output-${rustcVersion}";
in
stdenv.mkDerivation rec {
pname = "mrustc-bootstrap";
version = "${mrustc.version}_${rustcVersion}";
inherit (mrustc) src;
postUnpack = "tar -xf ${rustcSrc} -C source/";
# the rust build system complains that nix alters the checksums
dontFixLibtool = true;
patches = [
./patches/0001-dont-download-rustc.patch
];
postPatch = ''
echo "applying patch ./rustc-${rustcVersion}-src.patch"
patch -p0 -d ${rustcDir}/ < rustc-${rustcVersion}-src.patch
'';
# rustc unfortunately needs cmake to compile llvm-rt but doesn't
# use it for the normal build. This disables cmake in Nix.
dontUseCmakeConfigure = true;
strictDeps = true;
nativeBuildInputs = [
cmake
mrustc
mrustc-minicargo
pkg-config
python3
time
which
];
buildInputs = [
# for rustc
llvm_12 libffi zlib libxml2
# for cargo
openssl
(curl.override { inherit openssl; })
];
makeFlags = [
# Use shared mrustc/minicargo/llvm instead of rebuilding them
"MRUSTC=${mrustc}/bin/mrustc"
#"MINICARGO=${mrustc-minicargo}/bin/minicargo" # FIXME: we need to rebuild minicargo locally so --manifest-overrides is applied
"LLVM_CONFIG=${llvm_12.dev}/bin/llvm-config"
"RUSTC_TARGET=${stdenv.targetPlatform.rust.rustcTarget}"
];
buildPhase = ''
runHook preBuild
local flagsArray=(
PARLEVEL=$NIX_BUILD_CORES
${toString makeFlags}
)
touch ${rustcDir}/dl-version
export OUTDIR_SUF=-${rustcVersion}
export RUSTC_VERSION=${rustcVersion}
export MRUSTC_TARGET_VER=${mrustcTargetVersion}
export MRUSTC_PATH=${mrustc}/bin/mrustc
echo minicargo.mk: libs
make -f minicargo.mk "''${flagsArray[@]}" LIBS
echo test
make "''${flagsArray[@]}" test
# disabled because it expects ./bin/mrustc
#echo local_tests
#make "''${flagsArray[@]}" local_tests
echo minicargo.mk: rustc
make -f minicargo.mk "''${flagsArray[@]}" ${outputDir}/rustc
echo minicargo.mk: cargo
make -f minicargo.mk "''${flagsArray[@]}" ${outputDir}/cargo
echo run_rustc
make -C run_rustc "''${flagsArray[@]}"
unset flagsArray
runHook postBuild
'';
doCheck = true;
checkPhase = ''
runHook preCheck
run_rustc/${outputDir}/prefix/bin/hello_world | grep "hello, world"
runHook postCheck
'';
installPhase = ''
runHook preInstall
mkdir -p $out/bin/ $out/lib/
cp run_rustc/${outputDir}/prefix/bin/cargo $out/bin/cargo
cp run_rustc/${outputDir}/prefix/bin/rustc_binary $out/bin/rustc
cp -r run_rustc/${outputDir}/prefix/lib/* $out/lib/
cp $out/lib/rustlib/${stdenv.targetPlatform.rust.rustcTarget}/lib/*.so $out/lib/
runHook postInstall
'';
meta = with lib; {
inherit (src.meta) homepage;
description = "A minimal build of Rust";
longDescription = ''
A minimal build of Rust, built from source using mrustc.
This is useful for bootstrapping the main Rust compiler without
an initial binary toolchain download.
'';
maintainers = with maintainers; [ progval r-burns ];
license = with licenses; [ mit asl20 ];
platforms = [ "x86_64-linux" ];
};
}
|