a902d99422
This might be a bit debatable but upstream uses "xx" instead of "++" when using it as identifier / in the code (file/directory names, build scripts, website URLs, etc.) so we should probably too. And at least the attribute name and pname will be consistent now.
72 lines
2.5 KiB
Nix
72 lines
2.5 KiB
Nix
{ lib, stdenv, llvm_meta, cmake, python3, fetch, libcxx, libunwind, llvm, version
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, enableShared ? !stdenv.hostPlatform.isStatic
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}:
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stdenv.mkDerivation {
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pname = "libcxxabi";
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inherit version;
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src = fetch "libcxxabi" "1cbmzspwjlr8f6sp73pw6ivf4dpg6rpc61by0q1m2zca2k6yif3a";
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nativeBuildInputs = [ cmake python3 ];
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buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.isFreeBSD && !stdenv.hostPlatform.isWasm) libunwind;
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cmakeFlags = 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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] ++ 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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] ++ lib.optionals (!enableShared) [
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"-DLIBCXXABI_ENABLE_SHARED=OFF"
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];
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postUnpack = ''
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unpackFile ${libcxx.src}
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mv libcxx-* libcxx
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unpackFile ${llvm.src}
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mv llvm-* llvm
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'' + lib.optionalString stdenv.isDarwin ''
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export TRIPLE=x86_64-apple-darwin
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'' + lib.optionalString stdenv.hostPlatform.isMusl ''
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patch -p1 -d libcxx -i ${../../libcxx-0001-musl-hacks.patch}
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'' + lib.optionalString stdenv.hostPlatform.isWasm ''
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patch -p1 -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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'' + 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 = llvm_meta // {
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homepage = "https://libcxxabi.llvm.org/";
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description = "Provides C++ standard library support";
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longDescription = ''
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libc++abi is a new implementation of low level support for a standard C++ library.
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'';
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# "All of the code in libc++abi is dual licensed under the MIT license and
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# the UIUC License (a BSD-like license)":
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license = with lib.licenses; [ mit ncsa ];
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maintainers = llvm_meta.maintainers ++ [ lib.maintainers.vlstill ];
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};
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}
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