{ stdenv, cmake, fetch, libcxx, libunwind, llvm, version , enableShared ? true }: stdenv.mkDerivation { pname = "libc++abi"; inherit version; src = fetch "libcxxabi" "04gqdzs13sw7f7a06h5zm5917d9f1k79l4rcm096grgvf0r7lnqx"; nativeBuildInputs = [ cmake ]; buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind; cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [ "-DLLVM_ENABLE_LIBCXX=ON" "-DLIBCXXABI_USE_LLVM_UNWINDER=ON" ] ++ stdenv.lib.optionals stdenv.hostPlatform.isWasm [ "-DLIBCXXABI_ENABLE_THREADS=OFF" "-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF" ] ++ stdenv.lib.optionals (!enableShared) [ "-DLIBCXXABI_ENABLE_SHARED=OFF" ]; patches = [ ./libcxxabi-no-threads.patch ]; postUnpack = '' unpackFile ${libcxx.src} unpackFile ${llvm.src} cmakeFlags+=" -DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*)" '' + stdenv.lib.optionalString stdenv.isDarwin '' export TRIPLE=x86_64-apple-darwin '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl '' patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch} '' + stdenv.lib.optionalString stdenv.hostPlatform.isWasm '' patch -p1 -d $(ls -d llvm-*) -i ${./libcxxabi-wasm.patch} ''; installPhase = if stdenv.isDarwin then '' for file in lib/*.dylib; do # this should be done in CMake, but having trouble figuring out # the magic combination of necessary CMake variables # if you fancy a try, take a look at # https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling install_name_tool -id $out/$file $file done make install install -d 755 $out/include install -m 644 ../include/*.h $out/include '' else '' install -d -m 755 $out/include $out/lib install -m 644 lib/libc++abi.a $out/lib install -m 644 ../include/cxxabi.h $out/include '' + stdenv.lib.optionalString enableShared '' install -m 644 lib/libc++abi.so.1.0 $out/lib ln -s libc++abi.so.1.0 $out/lib/libc++abi.so ln -s libc++abi.so.1.0 $out/lib/libc++abi.so.1 ''; meta = { homepage = "https://libcxxabi.llvm.org/"; description = "A new implementation of low level support for a standard C++ library"; license = with stdenv.lib.licenses; [ ncsa mit ]; maintainers = with stdenv.lib.maintainers; [ vlstill ]; platforms = stdenv.lib.platforms.all; }; }