nixpkgs/pkgs/development/compilers/llvm/8/libc++/default.nix
2020-04-13 18:50:35 +02:00

60 lines
2.1 KiB
Nix

{ lib, stdenv, fetch, cmake, python3, libcxxabi, fixDarwinDylibNames, version
, enableShared ? true }:
stdenv.mkDerivation {
pname = "libc++";
inherit version;
src = fetch "libcxx" "0y4vc9z36c1zlq15cnibdzxnc1xi5glbc6klnm8a41q3db4541kz";
postUnpack = ''
unpackFile ${libcxxabi.src}
export LIBCXXABI_INCLUDE_DIR="$PWD/$(ls -d libcxxabi-${version}*)/include"
'';
patches = stdenv.lib.optional stdenv.hostPlatform.isMusl ../../libcxx-0001-musl-hacks.patch;
prePatch = ''
substituteInPlace lib/CMakeLists.txt --replace "/usr/lib/libc++" "\''${LIBCXX_LIBCXXABI_LIB_PATH}/libc++"
'';
preConfigure = ''
# Get headers from the cxxabi source so we can see private headers not installed by the cxxabi package
cmakeFlagsArray=($cmakeFlagsArray -DLIBCXX_CXX_ABI_INCLUDE_PATHS="$LIBCXXABI_INCLUDE_DIR")
'' + lib.optionalString stdenv.hostPlatform.isMusl ''
patchShebangs utils/cat_files.py
'';
nativeBuildInputs = [ cmake ]
++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) python3;
buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
cmakeFlags = [
"-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
"-DLIBCXX_LIBCPPABI_VERSION=2"
"-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";
enableParallelBuilding = true;
linkCxxAbi = stdenv.isLinux;
setupHooks = [
../../../../../build-support/setup-hooks/role.bash
./setup-hook.sh
];
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;
};
}