1 files changed, 112 insertions, 0 deletions
diff --git a/pkgs/development/compilers/rust/rustc.nix b/pkgs/development/compilers/rust/rustc.nix
new file mode 100644
index 000000000000..b1b33d57bb25
--- /dev/null
+++ b/pkgs/development/compilers/rust/rustc.nix
@@ -0,0 +1,112 @@
+{ stdenv, fetchurl, fetchgit, fetchzip, file, python2, tzdata, procps
+, llvm, jemalloc, ncurses, darwin, binutils, rustPlatform, git
+
+, isRelease ? false
+, shortVersion
+, forceBundledLLVM ? false
+, srcSha, srcRev
+, configureFlags ? []
+, patches
+, targets
+, targetPatches
+, targetToolchains
+} @ args:
+
+let
+    version = if isRelease then
+        "${shortVersion}"
+      else
+        "${shortVersion}-g${builtins.substring 0 7 srcRev}";
+
+    name = "rustc-${version}";
+
+    procps = if stdenv.isDarwin then darwin.ps else args.procps;
+
+    llvmShared = llvm.override { enableSharedLibraries = true; };
+
+    target = builtins.replaceStrings [" "] [","] (builtins.toString targets);
+
+    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 retrry ];
+      license = [ licenses.mit licenses.asl20 ];
+      platforms = platforms.linux ++ platforms.darwin;
+    };
+in
+
+stdenv.mkDerivation {
+  inherit name;
+  inherit version;
+  inherit meta;
+
+  __impureHostDeps = [ "/usr/lib/libedit.3.dylib" ];
+
+  NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isDarwin "-rpath ${llvmShared}/lib";
+
+  src = fetchgit {
+    url = https://github.com/rust-lang/rust;
+    rev = srcRev;
+    sha256 = srcSha;
+  };
+
+  # We need rust to build rust. If we don't provide it, configure will try to download it.
+  configureFlags = configureFlags
+                ++ [ "--enable-local-rust" "--local-rust-root=${rustPlatform.rust.rustc}" "--enable-rpath" ]
+                # ++ [ "--jemalloc-root=${jemalloc}/lib"
+                ++ [ "--default-linker=${stdenv.cc}/bin/cc" "--default-ar=${binutils.out}/bin/ar" ]
+                ++ stdenv.lib.optional (stdenv.cc.cc ? isClang) "--enable-clang"
+                ++ stdenv.lib.optional (targets != []) "--target=${target}"
+                ++ stdenv.lib.optional (!forceBundledLLVM) "--llvm-root=${llvmShared}";
+
+  patches = patches ++ targetPatches;
+  passthru.target = target;
+
+  postPatch = ''
+    substituteInPlace src/rust-installer/gen-install-script.sh \
+      --replace /bin/echo "$(type -P echo)"
+    substituteInPlace src/rust-installer/gen-installer.sh \
+      --replace /bin/echo "$(type -P echo)"
+
+    # Workaround for NixOS/nixpkgs#8676
+    substituteInPlace mk/rustllvm.mk \
+      --replace "\$\$(subst  /,//," "\$\$(subst /,/,"
+
+    # Fix dynamic linking against llvm
+    ${stdenv.lib.optionalString (!forceBundledLLVM) ''sed -i 's/, kind = \\"static\\"//g' src/etc/mklldeps.py''}
+
+    # Fix the configure script to not require curl as we won't use it
+    sed -i configure \
+      -e '/probe_need CFG_CURLORWGET/d'
+
+    # Fix the use of jemalloc prefixes which our jemalloc doesn't have
+    # TODO: reenable if we can figure out how to get our jemalloc to work
+    #[ -f src/liballoc_jemalloc/lib.rs ] && sed -i 's,je_,,g' src/liballoc_jemalloc/lib.rs
+    #[ -f src/liballoc/heap.rs ] && sed -i 's,je_,,g' src/liballoc/heap.rs # Remove for 1.4.0+
+
+    # Useful debugging parameter
+    #export VERBOSE=1
+  '';
+
+  preConfigure = ''
+    # Needed flags as the upstream configure script has a broken prefix substitution
+    configureFlagsArray+=("--datadir=$out/share")
+    configureFlagsArray+=("--infodir=$out/share/info")
+  '';
+
+  # ps is needed for one of the test cases
+  nativeBuildInputs = [ file python2 procps rustPlatform.rust.rustc git ];
+  buildInputs = [ ncurses ] ++ targetToolchains
+    ++ stdenv.lib.optional (!forceBundledLLVM) llvmShared;
+
+  # https://github.com/rust-lang/rust/issues/30181
+  # enableParallelBuilding = false; # missing files during linking, occasionally
+
+  outputs = [ "out" "doc" ];
+  setOutputFlags = false;
+
+  preCheck = "export TZDIR=${tzdata}/share/zoneinfo";
+
+  doCheck = true;
+  dontSetConfigureCross = true;
+}