294 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			294 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ stdenv
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, targetPackages
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, cmake
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, coreutils
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, glibc
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, which
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, perl
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, libedit
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, ninja
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, pkgconfig
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, sqlite
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, swig
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, bash
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, libxml2
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, clang
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, python
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, ncurses
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, libuuid
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, libbsd
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, icu
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, autoconf
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, libtool
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, automake
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, libblocksruntime
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, curl
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, rsync
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, git
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, libgit2
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, fetchFromGitHub
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, paxctl
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, findutils
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, makeWrapper
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, gnumake
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, file
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#, systemtap
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}:
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let
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  v_base = "4.1.3";
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  version = "${v_base}-RELEASE";
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  version_friendly = "${v_base}";
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  tag = "refs/tags/swift-${version}";
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  fetch = { repo, sha256, fetchSubmodules ? false }:
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    fetchFromGitHub {
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      owner = "apple";
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      inherit repo sha256 fetchSubmodules;
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      rev = tag;
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      name = "${repo}-${version}-src";
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    };
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  sources = {
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    # FYI: SourceKit probably would work but currently requires building everything twice
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    # For more inforation, see: https://github.com/apple/swift/pull/3594#issuecomment-234169759
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    clang = fetch {
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      repo = "swift-clang";
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      sha256 = "0j8bi6jv4m4hqiib02q5cvnxd9j6bwiri853x6px86vai3mdff0h";
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    };
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    llvm = fetch {
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      repo = "swift-llvm";
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      sha256 = "0q5cv4iydm8c1kcax32573y3q2cbpihwgj5aa8ws1fnpy4jvq934";
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    };
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    compilerrt = fetch {
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      repo = "swift-compiler-rt";
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      sha256 = "1wkymmxi2v759xkwlzfrq9rivndjfvp6ikrzz10mvvrvyvrgwqnl";
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    };
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    cmark = fetch {
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      repo = "swift-cmark";
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      sha256 = "1nmxp0fj749sgar682c5nsj7zxxigqwg973baxj2r656a7ybh325";
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    };
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    lldb = fetch {
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      repo = "swift-lldb";
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      sha256 = "1d0pa7xm289bjb6r52hkkmlngkqkwbwgixnmm30bin2q18mkxk7s";
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    };
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    llbuild = fetch {
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      repo = "swift-llbuild";
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      sha256 = "04y0ihfyam2n671vmpk9gy0gb9lb3ivh6mr19862p5kg5bmrcic1";
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    };
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    pm = fetch {
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      repo = "swift-package-manager";
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      sha256 = "08d87fc29qq7m92jaxkiczsa7b567pwbibiwwkzdrj6a0gr11qn3";
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    };
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    xctest = fetch {
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      repo = "swift-corelibs-xctest";
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      sha256 = "1alkgxx8jsr2jjv2kchnjaaddb1byjwim015m1z3qxh6lknqm0k5";
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    };
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    foundation = fetch {
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      repo = "swift-corelibs-foundation";
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      sha256 = "1bhrag63rmz41bg2g6ap01qrdpq37hislgf5hg6myy2v69q7mahx";
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    };
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    libdispatch = fetch {
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      repo = "swift-corelibs-libdispatch";
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      sha256 = "198vskbajch8s168a649qz5an92i2mxmmmzcjlgxlzh38fgxri0n";
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      fetchSubmodules = true;
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    };
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    swift = fetch {
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      repo = "swift";
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      sha256 = "1ydx11pkvaasgjbr29lnha0lpnak758gd5l0aqzmp3q6mcyvfm7a";
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    };
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  };
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  devInputs = [
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    curl
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    glibc
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    icu
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    libblocksruntime
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    libbsd
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    libedit
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    libuuid
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    libxml2
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    ncurses
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    sqlite
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    swig
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    #    systemtap?
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  ];
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  cmakeFlags = [
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    "-DGLIBC_INCLUDE_PATH=${stdenv.cc.libc.dev}/include"
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    "-DC_INCLUDE_DIRS=${stdenv.lib.makeSearchPathOutput "dev" "include" devInputs}:${libxml2.dev}/include/libxml2"
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    "-DGCC_INSTALL_PREFIX=${clang.cc.gcc}"
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  ];
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  builder = ''
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    # gcc-6.4.0/include/c++/6.4.0/cstdlib:75:15: fatal error: 'stdlib.h' file not found
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    NIX_CFLAGS_COMPILE="$( echo ${clang.default_cxx_stdlib_compile} ) $NIX_CFLAGS_COMPILE"
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    $SWIFT_SOURCE_ROOT/swift/utils/build-script \
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      --preset=buildbot_linux \
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      installable_package=$INSTALLABLE_PACKAGE \
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      install_prefix=$out \
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      install_destdir=$SWIFT_INSTALL_DIR \
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      extra_cmake_options="${stdenv.lib.concatStringsSep "," cmakeFlags}"'';
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in
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stdenv.mkDerivation rec {
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  name = "swift-${version_friendly}";
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  buildInputs = devInputs ++ [
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    autoconf
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    automake
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    bash
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    clang
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    cmake
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    coreutils
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    libtool
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    ninja
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    perl
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    pkgconfig
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    python
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    rsync
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    which
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    findutils
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    makeWrapper
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    gnumake
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  ] ++ stdenv.lib.optional stdenv.needsPax paxctl;
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  # TODO: Revisit what's propagated and how
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  propagatedBuildInputs = [
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    libgit2
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    python
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  ];
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  propagatedUserEnvPkgs = [ git pkgconfig ];
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  hardeningDisable = [ "format" ]; # for LLDB
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  configurePhase = ''
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    cd ..
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    export INSTALLABLE_PACKAGE=$PWD/swift.tar.gz
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    mkdir build install
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    export SWIFT_BUILD_ROOT=$PWD/build
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    export SWIFT_INSTALL_DIR=$PWD/install
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    cd $SWIFT_BUILD_ROOT
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    unset CC
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    unset CXX
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    export NIX_ENFORCE_PURITY=
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  '';
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  unpackPhase = ''
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    mkdir src
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    cd src
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    export sourceRoot=$PWD
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    export SWIFT_SOURCE_ROOT=$PWD
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    cp -r ${sources.clang} clang
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    cp -r ${sources.llvm} llvm
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    cp -r ${sources.compilerrt} compiler-rt
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    cp -r ${sources.cmark} cmark
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    cp -r ${sources.lldb} lldb
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    cp -r ${sources.llbuild} llbuild
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    cp -r ${sources.pm} swiftpm
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    cp -r ${sources.xctest} swift-corelibs-xctest
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    cp -r ${sources.foundation} swift-corelibs-foundation
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    cp -r ${sources.libdispatch} swift-corelibs-libdispatch
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    cp -r ${sources.swift} swift
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    chmod -R u+w .
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  '';
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  patchPhase = ''
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    # Just patch all the things for now, we can focus this later
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    patchShebangs $SWIFT_SOURCE_ROOT
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    # TODO eliminate use of env.
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    find -type f -print0 | xargs -0 sed -i \
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      -e 's|/usr/bin/env|${coreutils}/bin/env|g' \
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      -e 's|/usr/bin/make|${gnumake}/bin/make|g' \
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      -e 's|/bin/mkdir|${coreutils}/bin/mkdir|g' \
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      -e 's|/bin/cp|${coreutils}/bin/cp|g' \
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      -e 's|/usr/bin/file|${file}/bin/file|g'
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    substituteInPlace swift/stdlib/public/Platform/CMakeLists.txt \
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      --replace '/usr/include' "${stdenv.cc.libc.dev}/include"
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    substituteInPlace swift/utils/build-script-impl \
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      --replace '/usr/include/c++' "${clang.cc.gcc}/include/c++"
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  '' + stdenv.lib.optionalString stdenv.needsPax ''
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    patch -p1 -d swift -i ${./patches/build-script-pax.patch}
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  '' + ''
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    patch -p1 -d swift -i ${./patches/0001-build-presets-linux-don-t-require-using-Ninja.patch}
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    patch -p1 -d swift -i ${./patches/0002-build-presets-linux-allow-custom-install-prefix.patch}
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    patch -p1 -d swift -i ${./patches/0004-build-presets-linux-plumb-extra-cmake-options.patch}
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    sed -i swift/utils/build-presets.ini \
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      -e 's/^test-installable-package$/# \0/' \
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      -e 's/^test$/# \0/' \
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      -e 's/^validation-test$/# \0/' \
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      -e 's/^long-test$/# \0/'
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    # https://bugs.swift.org/browse/SR-5779
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    sed -i -e 's|"-latomic"|"-Wl,-rpath,${clang.cc.gcc.lib}/lib" "-L${clang.cc.gcc.lib}/lib" "-latomic"|' swift/cmake/modules/AddSwift.cmake
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    substituteInPlace clang/lib/Driver/ToolChains/Linux.cpp \
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      --replace '  addPathIfExists(D, SysRoot + "/usr/lib", Paths);' \
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                '  addPathIfExists(D, SysRoot + "/usr/lib", Paths); addPathIfExists(D, "${glibc}/lib", Paths);'
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    patch -p1 -d clang -i ${./purity.patch}
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    # Workaround hardcoded dep on "libcurses" (vs "libncurses"):
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    sed -i 's,curses,ncurses,' llbuild/*/*/CMakeLists.txt
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    # This test fails on one of my machines, not sure why.
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    # Disabling for now.
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    rm llbuild/tests/Examples/buildsystem-capi.llbuild
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    PREFIX=''${out/#\/}
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    substituteInPlace swift-corelibs-xctest/build_script.py \
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      --replace usr "$PREFIX"
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    substituteInPlace swiftpm/Utilities/bootstrap \
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      --replace \"usr\" \"$PREFIX\" \
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      --replace usr/lib "$PREFIX/lib"
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  '';
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  doCheck = false;
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  buildPhase = builder;
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  installPhase = ''
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    mkdir -p $out
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    # Extract the generated tarball into the store
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    PREFIX=''${out/#\/}
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    tar xf $INSTALLABLE_PACKAGE -C $out --strip-components=3 $PREFIX
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    paxmark pmr $out/bin/swift
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    paxmark pmr $out/bin/*
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    # TODO: Use wrappers to get these on the PATH for swift tools, instead
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    ln -s ${clang}/bin/* $out/bin/
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    ln -s ${targetPackages.stdenv.cc.bintools.bintools_bin}/bin/ar $out/bin/ar
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    wrapProgram $out/bin/swift \
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      --suffix C_INCLUDE_PATH : $out/lib/swift/clang/include \
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      --suffix CPLUS_INCLUDE_PATH : $out/lib/swift/clang/include
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  '';
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  # Hack to avoid TMPDIR in RPATHs.
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  preFixup = ''rm -rf "$(pwd)" '';
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  meta = with stdenv.lib; {
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    description = "The Swift Programming Language";
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    homepage = https://github.com/apple/swift;
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    maintainers = with maintainers; [ dtzWill ];
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    license = licenses.asl20;
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    # Swift doesn't support 32bit Linux, unknown on other platforms.
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    platforms = platforms.linux;
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    badPlatforms = platforms.i686;
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    broken = stdenv.isAarch64; # 2018-09-04, never built on Hydra
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  };
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}
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