{ stdenv , fetch , fetchpatch , perl , groff , cmake , python , libffi , libbfd , libxml2 , ncurses , version , zlib , compiler-rt_src , debugVersion ? false , enableSharedLibraries ? (stdenv.buildPlatform == stdenv.hostPlatform) , buildPackages }: assert (stdenv.hostPlatform != stdenv.buildPlatform) -> !enableSharedLibraries; let src = fetch "llvm" "1vi9sf7rx1q04wj479rsvxayb6z740iaz3qniwp266fgp5a07n8z"; # Used when creating a version-suffixed symlink of libLLVM.dylib shortVersion = with stdenv.lib; concatStringsSep "." (take 2 (splitString "." version)); in stdenv.mkDerivation rec { name = "llvm-${version}"; unpackPhase = '' unpackFile ${src} mv llvm-${version}.src llvm sourceRoot=$PWD/llvm unpackFile ${compiler-rt_src} mv compiler-rt-* $sourceRoot/projects/compiler-rt ''; outputs = [ "out" ] ++ stdenv.lib.optional enableSharedLibraries "lib"; nativeBuildInputs = [ perl cmake python ]; buildInputs = [ groff libxml2 libffi ]; propagatedBuildInputs = [ ncurses zlib ]; patches = [ # fix output of llvm-config (fixed in llvm 4.0) (fetchpatch { url = https://github.com/llvm-mirror/llvm/commit/5340b5b3d970069aebf3dde49d8964583742e01a.patch; sha256 = "095f8knplwqbc2p7rad1kq8633i34qynni9jna93an7kyc80wdxl"; }) ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [ ../TLI-musl.patch ../dynamiclibrary-musl.patch ]; postPatch = "" + '' patch -p1 --reverse < ${fetchpatch { name = "fix-red-icons.diff"; # https://bugs.freedesktop.org/show_bug.cgi?id=99078 url = https://github.com/llvm-mirror/llvm/commit/c280d74837d8.diff; sha256 = "11sq86spw41v72f676igksapdlsgh7fiqp5qkkmgfj0ndqcn9skf"; }} '' # TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks # to get it, but they're unfree. Since LLVM is rather central to the stdenv, we patch out TSAN support so that Hydra # can build this. If we didn't do it, basically the entire nixpkgs on Darwin would have an unfree dependency and we'd # get no binary cache for the entire platform. If you really find yourself wanting the TSAN, make this controllable by # a flag and turn the flag off during the stdenv build. I realize that this LLVM isn't used in the stdenv but I want to # keep it consistent with 4.0. We really shouldn't be copying and pasting all this code around... + stdenv.lib.optionalString stdenv.isDarwin '' substituteInPlace ./projects/compiler-rt/cmake/config-ix.cmake \ --replace 'set(COMPILER_RT_HAS_TSAN TRUE)' 'set(COMPILER_RT_HAS_TSAN FALSE)' substituteInPlace CMakeLists.txt \ --replace 'set(CMAKE_INSTALL_NAME_DIR "@rpath")' "set(CMAKE_INSTALL_NAME_DIR "$lib/lib")" \ --replace 'set(CMAKE_INSTALL_RPATH "@executable_path/../lib")' "" '' # Patch llvm-config to return correct library path based on --link-{shared,static}. + stdenv.lib.optionalString (enableSharedLibraries) '' substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib patch -p1 < ./llvm-outputs.patch '' + '' ( cd projects/compiler-rt patch -p1 < ${ fetchpatch { name = "sigaltstack.patch"; # for glibc-2.26 url = https://github.com/llvm-mirror/compiler-rt/commit/8a5e425a68d.diff; sha256 = "0h4y5vl74qaa7dl54b1fcyqalvlpd8zban2d1jxfkxpzyi7m8ifi"; } } substituteInPlace lib/esan/esan_sideline_linux.cpp \ --replace 'struct sigaltstack' 'stack_t' ) ''; # 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" "-DCOMPILER_RT_INCLUDE_TESTS=OFF" # FIXME: requires clang source code "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}" "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.targetPlatform.config}" "-DTARGET_TRIPLE=${stdenv.targetPlatform.config}" ] ++ stdenv.lib.optional enableSharedLibraries [ "-DLLVM_LINK_LLVM_DYLIB=ON" ] ++ stdenv.lib.optional (!isDarwin) "-DLLVM_BINUTILS_INCDIR=${libbfd.dev}/include" ++ stdenv.lib.optionals (isDarwin) [ "-DLLVM_ENABLE_LIBCXX=ON" "-DCAN_TARGET_i386=false" ] ++ stdenv.lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [ "-DCMAKE_CROSSCOMPILING=True" "-DLLVM_TABLEGEN=${buildPackages.llvmPackages_39.llvm}/bin/llvm-tblgen" ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [ # Not yet supported "-DCOMPILER_RT_BUILD_SANITIZERS=OFF" "-DCOMPILER_RT_BUILD_XRAY=OFF" ]; postBuild = '' rm -fR $out ''; postInstall = "" + stdenv.lib.optionalString (enableSharedLibraries) '' moveToOutput "lib/libLLVM-*" "$lib" moveToOutput "lib/libLLVM${stdenv.hostPlatform.extensions.sharedLibrary}" "$lib" substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \ --replace "\''${_IMPORT_PREFIX}/lib/libLLVM-" "$lib/lib/libLLVM-" '' + stdenv.lib.optionalString (stdenv.isDarwin && enableSharedLibraries) '' substituteInPlace "$out/lib/cmake/llvm/LLVMExports-release.cmake" \ --replace "\''${_IMPORT_PREFIX}/lib/libLLVM.dylib" "$lib/lib/libLLVM.dylib" ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${shortVersion}.dylib ln -s $lib/lib/libLLVM.dylib $lib/lib/libLLVM-${version}.dylib ''; enableParallelBuilding = true; passthru.src = src; meta = { description = "Collection of modular and reusable compiler and toolchain technologies"; homepage = http://llvm.org/; license = stdenv.lib.licenses.ncsa; maintainers = with stdenv.lib.maintainers; [ lovek323 raskin ]; platforms = stdenv.lib.platforms.all; }; }