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{ lib, stdenv, fetch, cmake, python3, libcxxabi, llvm, fixDarwinDylibNames, version
, enableShared ? !stdenv.hostPlatform.isStatic
}:
stdenv.mkDerivation {
pname = "libc++";
inherit version;
src = fetch "libcxx" "0gaybwkn76vhakvipxslp7pmv2wm7agxkqwk5f5aizhzc9lzdmcz";
postUnpack = ''
unpackFile ${libcxxabi.src}
mv libcxxabi-* libcxxabi
unpackFile ${llvm.src}
mv llvm-* llvm
'';
patches = stdenv.lib.optional stdenv.hostPlatform.isMusl ../../libcxx-0001-musl-hacks.patch;
preConfigure = lib.optionalString stdenv.hostPlatform.isMusl ''
patchShebangs utils/cat_files.py
'';
nativeBuildInputs = [ cmake python3 ]
++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
buildInputs = [ libcxxabi ];
cmakeFlags = [
"-DLIBCXX_CXX_ABI=libcxxabi"
] ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
++ stdenv.lib.optional stdenv.hostPlatform.isWasm [
"-DLIBCXX_ENABLE_THREADS=OFF"
"-DLIBCXX_ENABLE_FILESYSTEM=OFF"
"-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
] ++ stdenv.lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
passthru = {
isLLVM = true;
};
meta = {
homepage = "https://libcxx.llvm.org/";
description = "A new implementation of the C++ standard library, targeting C++11";
license = with stdenv.lib.licenses; [ ncsa mit ];
platforms = stdenv.lib.platforms.all;
};
}
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