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96 lines
3.1 KiB
96 lines
3.1 KiB
{ lib, stdenv, llvm_meta
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, monorepoSrc, runCommand
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, cmake, python3, fixDarwinDylibNames, version
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, libcxxabi, libunwind
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, enableShared ? !stdenv.hostPlatform.isStatic
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# If headersOnly is true, the resulting package would only include the headers.
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# Use this to break the circular dependency between libcxx and libcxxabi.
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#
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# Some context:
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# https://reviews.llvm.org/rG1687f2bbe2e2aaa092f942d4a97d41fad43eedfb
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, headersOnly ? false
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}:
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let
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basename = "libcxx";
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in
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stdenv.mkDerivation rec {
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pname = basename + lib.optionalString headersOnly "-headers";
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inherit version;
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src = runCommand "${pname}-src-${version}" {} ''
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mkdir -p "$out"
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cp -r ${monorepoSrc}/cmake "$out"
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cp -r ${monorepoSrc}/${basename} "$out"
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mkdir -p "$out/libcxxabi"
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cp -r ${monorepoSrc}/libcxxabi/include "$out/libcxxabi"
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mkdir -p "$out/llvm"
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cp -r ${monorepoSrc}/llvm/cmake "$out/llvm"
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cp -r ${monorepoSrc}/llvm/utils "$out/llvm"
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'';
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sourceRoot = "${src.name}/${basename}";
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outputs = [ "out" ] ++ lib.optional (!headersOnly) "dev";
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patches = [
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./gnu-install-dirs.patch
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] ++ lib.optionals stdenv.hostPlatform.isMusl [
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../../libcxx-0001-musl-hacks.patch
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];
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preConfigure = lib.optionalString stdenv.hostPlatform.isMusl ''
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patchShebangs utils/cat_files.py
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'';
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nativeBuildInputs = [ cmake python3 ]
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++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
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buildInputs = lib.optionals (!headersOnly) ([ libcxxabi ] ++ lib.optional libcxxabi.useLLVMUnwinder libunwind);
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cmakeFlags = [ "-DLIBCXX_CXX_ABI=libcxxabi" ]
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++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
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++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
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++ lib.optionals stdenv.hostPlatform.isWasm [
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"-DLIBCXX_ENABLE_THREADS=OFF"
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"-DLIBCXX_ENABLE_FILESYSTEM=OFF"
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"-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
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]
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++ lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF"
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++ lib.optionals (!headersOnly && libcxxabi.semi-static) [
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"-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE"
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"-DLIBCXX_CXX_ABI_LIBRARY_PATH=${libcxxabi}/lib"
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] ++ lib.optional (!headersOnly && libcxxabi.useLLVMUnwinder)
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"-DLIBCXXABI_USE_LLVM_UNWINDER=ON";
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buildFlags = lib.optional headersOnly "generate-cxx-headers";
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installTargets = lib.optional headersOnly "install-cxx-headers";
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# At this point, cxxabi headers would be installed in the dev output, which
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# prevents moveToOutput from doing its job later in the build process.
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postInstall = lib.optionalString (!headersOnly) ''
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mv "$dev/include/c++/v1/"* "$out/include/c++/v1/"
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pushd "$dev"
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rmdir -p include/c++/v1
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popd
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'';
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passthru = {
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isLLVM = true;
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};
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meta = llvm_meta // {
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homepage = "https://libcxx.llvm.org/";
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description = "C++ standard library";
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longDescription = ''
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libc++ is an implementation of the C++ standard library, targeting C++11,
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C++14 and above.
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'';
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# "All of the code in libc++ is dual licensed under the MIT license and the
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# UIUC License (a BSD-like license)":
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license = with lib.licenses; [ mit ncsa ];
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};
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}
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