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-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/6/llvm/default.nix174
1 files changed, 174 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/6/llvm/default.nix b/nixpkgs/pkgs/development/compilers/llvm/6/llvm/default.nix
new file mode 100644
index 000000000000..de99691094b7
--- /dev/null
+++ b/nixpkgs/pkgs/development/compilers/llvm/6/llvm/default.nix
@@ -0,0 +1,174 @@
+{ lib, stdenv
+, fetch
+, cmake
+, python3
+, libffi
+, libbfd
+, libxml2
+, ncurses
+, version
+, release_version
+, zlib
+, buildPackages
+, fetchpatch
+, debugVersion ? false
+, enableManpages ? false
+, enableSharedLibraries ? true
+}:
+
+let
+  inherit (lib) optional optionals optionalString;
+
+  # Used when creating a versioned symlinks of libLLVM.dylib
+  versionSuffixes = with lib;
+    let parts = splitVersion release_version; in
+    imap (i: _: concatStringsSep "." (take i parts)) parts;
+in
+
+stdenv.mkDerivation ({
+  pname = "llvm";
+  inherit version;
+
+  src = fetch "llvm" "1qpls3vk85lydi5b4axl0809fv932qgsqgdgrk098567z4jc7mmn";
+
+  unpackPhase = ''
+    unpackFile $src
+    mv llvm-${version}* llvm
+    sourceRoot=$PWD/llvm
+  '';
+
+  outputs = [ "out" "python" ]
+    ++ optional enableSharedLibraries "lib";
+
+  nativeBuildInputs = [ cmake python3 ]
+    ++ optional enableManpages python3.pkgs.sphinx;
+
+  buildInputs = [ libxml2 libffi ];
+
+  propagatedBuildInputs = [ ncurses zlib ];
+
+  patches = [
+    # Patches to fix tests, included in llvm_7
+    (fetchpatch {
+      url = "https://github.com/llvm-mirror/llvm/commit/737553be0c9c25c497b45a241689994f177d5a5d.patch";
+      sha256 = "0hnaxnkx7zy5yg98f1ggv8a9l0r6g19n6ygqsv26masrnlcbccli";
+    })
+    (fetchpatch {
+      url = "https://github.com/llvm-mirror/llvm/commit/1c0dd31a7837c3e2f1c4ac14e4d5ac640688bd1f.patch";
+      includes = [ "test/tools/gold/X86/common.ll" ];
+      sha256 = "0fxgrxmfnjx17w3lcq19rk68b2xksh1bynz3ina784kma7hp4wdb";
+    })
+  ];
+
+  postPatch = optionalString stdenv.isDarwin ''
+    substituteInPlace cmake/modules/AddLLVM.cmake \
+      --replace 'set(_install_name_dir INSTALL_NAME_DIR "@rpath")' "set(_install_name_dir)" \
+      --replace 'set(_install_rpath "@loader_path/../lib" ''${extra_libdir})' ""
+  ''
+  # Patch llvm-config to return correct library path based on --link-{shared,static}.
+  + optionalString (enableSharedLibraries) ''
+    substitute '${./outputs.patch}' ./outputs.patch --subst-var lib
+    patch -p1 < ./outputs.patch
+  '' + ''
+    # FileSystem permissions tests fail with various special bits
+    substituteInPlace unittests/Support/CMakeLists.txt \
+      --replace "Path.cpp" ""
+    rm unittests/Support/Path.cpp
+  '' + optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -i ${../../TLI-musl.patch}
+    substituteInPlace unittests/Support/CMakeLists.txt \
+      --replace "add_subdirectory(DynamicLibrary)" ""
+    rm unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp
+  '';
+
+  # hacky fix: created binaries need to be run before installation
+  preBuild = ''
+    mkdir -p $out/
+    ln -sv $PWD/lib $out
+  '';
+
+  cmakeFlags = with stdenv; [
+    "-DCMAKE_BUILD_TYPE=${if debugVersion then "Debug" else "Release"}"
+    "-DLLVM_INSTALL_UTILS=ON"  # Needed by rustc
+    "-DLLVM_BUILD_TESTS=ON"
+    "-DLLVM_ENABLE_FFI=ON"
+    "-DLLVM_ENABLE_RTTI=ON"
+    "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly"
+    "-DLLVM_ENABLE_DUMP=ON"
+  ] ++ optionals enableSharedLibraries [
+    "-DLLVM_LINK_LLVM_DYLIB=ON"
+  ] ++ optionals enableManpages [
+    "-DLLVM_BUILD_DOCS=ON"
+    "-DLLVM_ENABLE_SPHINX=ON"
+    "-DSPHINX_OUTPUT_MAN=ON"
+    "-DSPHINX_OUTPUT_HTML=OFF"
+    "-DSPHINX_WARNINGS_AS_ERRORS=OFF"
+  ] ++ optionals (!isDarwin) [
+    "-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include"
+  ] ++ optionals (isDarwin) [
+    "-DLLVM_ENABLE_LIBCXX=ON"
+    "-DCAN_TARGET_i386=false"
+  ] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+    "-DCMAKE_CROSSCOMPILING=True"
+    "-DLLVM_TABLEGEN=${buildPackages.llvm_6}/bin/llvm-tblgen"
+  ];
+
+  postBuild = ''
+    rm -fR $out
+  '';
+
+  preCheck = ''
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/lib
+  '';
+
+  postInstall = ''
+    mkdir -p $python/share
+    mv $out/share/opt-viewer $python/share/opt-viewer
+  ''
+  + optionalString enableSharedLibraries ''
+    moveToOutput "lib/libLLVM-*" "$lib"
+    moveToOutput "lib/libLLVM${stdenv.hostPlatform.extensions.sharedLibrary}" "$lib"
+    substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-"
+  ''
+  + optionalString (stdenv.isDarwin && enableSharedLibraries) ''
+    substituteInPlace "$out/lib/cmake/llvm/LLVMExports-${if debugVersion then "debug" else "release"}.cmake" \
+      --replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib"
+    ${lib.concatMapStringsSep "\n" (v: ''
+      ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${v}.dylib
+    '') versionSuffixes}
+  '';
+
+  doCheck = stdenv.isLinux && (!stdenv.isi686);
+
+  checkTarget = "check-all";
+
+  requiredSystemFeatures = [ "big-parallel" ];
+  meta = {
+    description = "Collection of modular and reusable compiler and toolchain technologies";
+    homepage    = "https://llvm.org/";
+    license     = lib.licenses.ncsa;
+    maintainers = with lib.maintainers; [ lovek323 raskin dtzWill ];
+    platforms   = lib.platforms.all;
+  };
+} // lib.optionalAttrs enableManpages {
+  pname = "llvm-manpages";
+
+  buildPhase = ''
+    make docs-llvm-man
+  '';
+
+  propagatedBuildInputs = [];
+
+  installPhase = ''
+    make -C docs install
+  '';
+
+  outputs = [ "out" ];
+
+  doCheck = false;
+
+  meta.description = "man pages for LLVM ${version}";
+})