68 lines
2.5 KiB
Nix
68 lines
2.5 KiB
Nix
{ stdenv, cmake, fetch, libcxx, libunwind, llvm, version
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, enableShared ? true }:
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stdenv.mkDerivation {
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pname = "libc++abi";
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inherit version;
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src = fetch "libcxxabi" "1b4aiaa8cirx52vk2p5kfk57qmbqf1ipb4nqnjhdgqps9jm7iyg8";
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nativeBuildInputs = [ cmake ];
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buildInputs = stdenv.lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
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cmakeFlags = stdenv.lib.optionals (stdenv.hostPlatform.useLLVM or false) [
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"-DLLVM_ENABLE_LIBCXX=ON"
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"-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
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] ++ stdenv.lib.optionals stdenv.hostPlatform.isWasm [
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"-DLIBCXXABI_ENABLE_THREADS=OFF"
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"-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
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] ++ stdenv.lib.optionals (!enableShared) [
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"-DLIBCXXABI_ENABLE_SHARED=OFF"
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];
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patches = [ ./libcxxabi-no-threads.patch ];
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postUnpack = ''
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unpackFile ${libcxx.src}
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unpackFile ${llvm.src}
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cmakeFlags+=" -DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*)"
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'' + stdenv.lib.optionalString stdenv.isDarwin ''
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export TRIPLE=x86_64-apple-darwin
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'' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
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patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
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'' + stdenv.lib.optionalString stdenv.hostPlatform.isWasm ''
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patch -p1 -d $(ls -d llvm-*) -i ${./libcxxabi-wasm.patch}
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'';
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installPhase = if stdenv.isDarwin
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then ''
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for file in lib/*.dylib; do
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# this should be done in CMake, but having trouble figuring out
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# the magic combination of necessary CMake variables
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# if you fancy a try, take a look at
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# https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling
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install_name_tool -id $out/$file $file
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done
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make install
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install -d 755 $out/include
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install -m 644 ../include/*.h $out/include
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''
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else ''
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install -d -m 755 $out/include $out/lib
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install -m 644 lib/libc++abi.a $out/lib
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install -m 644 ../include/cxxabi.h $out/include
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'' + stdenv.lib.optionalString enableShared ''
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install -m 644 lib/libc++abi.so.1.0 $out/lib
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ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
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ln -s libc++abi.so.1.0 $out/lib/libc++abi.so.1
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'';
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meta = {
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homepage = "https://libcxxabi.llvm.org/";
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description = "A new implementation of low level support for a standard C++ library";
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license = with stdenv.lib.licenses; [ ncsa mit ];
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maintainers = with stdenv.lib.maintainers; [ vlstill ];
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platforms = stdenv.lib.platforms.all;
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};
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}
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