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{ lib, stdenv, cmake, fetch, libcxx, llvm, version
, standalone ? false
# on musl the shared objects don't build
, enableShared ? !stdenv.hostPlatform.isStatic
}:
stdenv.mkDerivation {
pname = "libc++abi";
inherit version;
src = fetch "libcxxabi" "1zcqxsdjhawgz1cvpk07y3jl6fg9p3ay4nl69zsirqb2ghgyhhb2";
nativeBuildInputs = [ cmake ];
postUnpack = ''
unpackFile ${libcxx.src}
unpackFile ${llvm.src}
cmakeFlagsArray=($cmakeFlagsArray -DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_PATH=$PWD/$(ls -d libcxx-*) )
'' + lib.optionalString stdenv.isDarwin ''
export TRIPLE=x86_64-apple-darwin
'' + lib.optionalString stdenv.hostPlatform.isMusl ''
patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
'';
cmakeFlags =
lib.optional standalone "-DLLVM_ENABLE_LIBCXX=ON" ++
lib.optional (!enableShared) "-DLIBCXXABI_ENABLE_SHARED=OFF";
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
${lib.optionalString enableShared "install -m 644 lib/libc++abi.so.1.0 $out/lib"}
install -m 644 ../include/cxxabi.h $out/include
${lib.optionalString enableShared "ln -s libc++abi.so.1.0 $out/lib/libc++abi.so"}
${lib.optionalString enableShared "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 lib.licenses; [ ncsa mit ];
maintainers = with lib.maintainers; [ vlstill ];
platforms = lib.platforms.unix;
};
}
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