129 lines
4.4 KiB
Nix
129 lines
4.4 KiB
Nix
{ stdenv, fetchurl, fetchgit, fetchzip, file, python2, tzdata, procps
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, llvm, jemalloc, ncurses, darwin, binutils, rustc, git
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, isRelease ? false
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, shortVersion
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, forceBundledLLVM ? false
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, srcSha, srcRev
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, configureFlags ? []
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, patches
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} @ args:
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/* Rust's build process has a few quirks :
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- The Rust compiler is written is Rust, so it requires a bootstrap
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compiler, which is downloaded during the build. To make the build
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pure, we download it ourself before and put it where it is
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expected. Once the language is stable (1.0) , we might want to
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switch it to use nix's packaged rust compiler. This might not be possible
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as the compiler is highly coupled to the bootstrap.
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NOTE : some derivation depend on rust. When updating this, please make
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sure those derivations still compile. (racer, for example).
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*/
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let
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version = if isRelease then
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"${shortVersion}"
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else
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"${shortVersion}-g${builtins.substring 0 7 srcRev}";
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name = "rustc-${version}";
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procps = if stdenv.isDarwin then darwin.ps else args.procps;
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llvmShared = llvm.override { enableSharedLibraries = true; };
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target = if stdenv.system == "i686-linux"
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then "i686-unknown-linux-gnu"
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else if stdenv.system == "x86_64-linux"
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then "x86_64-unknown-linux-gnu"
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else if stdenv.system == "i686-darwin"
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then "i686-apple-darwin"
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else if stdenv.system == "x86_64-darwin"
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then "x86_64-apple-darwin"
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else abort "no snapshot to bootstrap for this platform (missing target triple)";
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meta = with stdenv.lib; {
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homepage = http://www.rust-lang.org/;
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description = "A safe, concurrent, practical language";
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maintainers = with maintainers; [ madjar cstrahan wizeman globin havvy wkennington retrry ];
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license = [ licenses.mit licenses.asl20 ];
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platforms = platforms.linux ++ platforms.darwin;
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};
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in
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stdenv.mkDerivation {
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inherit name;
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inherit version;
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inherit meta;
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__impureHostDeps = [ "/usr/lib/libedit.3.dylib" ];
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NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isDarwin "-rpath ${llvmShared}/lib";
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src = fetchgit {
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url = https://github.com/rust-lang/rust;
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rev = srcRev;
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sha256 = srcSha;
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};
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# We need rust to build rust. If we don't provide it, configure will try to download it.
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configureFlags = configureFlags
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++ [ "--enable-local-rust" "--local-rust-root=${rustc}" "--enable-rpath" ]
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# ++ [ "--jemalloc-root=${jemalloc}/lib"
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++ [ "--default-linker=${stdenv.cc}/bin/cc" "--default-ar=${binutils.out}/bin/ar" ]
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++ stdenv.lib.optional (stdenv.cc.cc ? isClang) "--enable-clang"
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++ stdenv.lib.optional (!forceBundledLLVM) "--llvm-root=${llvmShared}";
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inherit patches;
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postPatch = ''
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substituteInPlace src/rust-installer/gen-install-script.sh \
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--replace /bin/echo "$(type -P echo)"
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substituteInPlace src/rust-installer/gen-installer.sh \
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--replace /bin/echo "$(type -P echo)"
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# Workaround for NixOS/nixpkgs#8676
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substituteInPlace mk/rustllvm.mk \
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--replace "\$\$(subst /,//," "\$\$(subst /,/,"
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# Fix dynamic linking against llvm
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${stdenv.lib.optionalString (!forceBundledLLVM) ''sed -i 's/, kind = \\"static\\"//g' src/etc/mklldeps.py''}
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# Fix the configure script to not require curl as we won't use it
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sed -i configure \
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-e '/probe_need CFG_CURLORWGET/d'
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# Fix the use of jemalloc prefixes which our jemalloc doesn't have
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# TODO: reenable if we can figure out how to get our jemalloc to work
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#[ -f src/liballoc_jemalloc/lib.rs ] && sed -i 's,je_,,g' src/liballoc_jemalloc/lib.rs
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#[ -f src/liballoc/heap.rs ] && sed -i 's,je_,,g' src/liballoc/heap.rs # Remove for 1.4.0+
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# Useful debugging parameter
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#export VERBOSE=1
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'';
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preConfigure = ''
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# Needed flags as the upstream configure script has a broken prefix substitution
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configureFlagsArray+=("--datadir=$out/share")
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configureFlagsArray+=("--infodir=$out/share/info")
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'';
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# ps is needed for one of the test cases
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nativeBuildInputs = [ file python2 procps rustc git ];
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buildInputs = [ ncurses ] ++ targetToolchains
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++ stdenv.lib.optional (!forceBundledLLVM) llvmShared;
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# https://github.com/rust-lang/rust/issues/30181
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# enableParallelBuilding = false; # missing files during linking, occasionally
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outputs = [ "out" "doc" ];
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setOutputFlags = false;
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preCheck = "export TZDIR=${tzdata}/share/zoneinfo";
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doCheck = true;
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}
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