104 lines
3.6 KiB
Nix
104 lines
3.6 KiB
Nix
{ lib, stdenv, llvm_meta, cmake, python3
|
|
, monorepoSrc, runCommand
|
|
, cxx-headers, libunwind, version
|
|
, enableShared ? !stdenv.hostPlatform.isStatic
|
|
}:
|
|
|
|
stdenv.mkDerivation rec {
|
|
pname = "libcxxabi";
|
|
inherit version;
|
|
|
|
src = runCommand "${pname}-src-${version}" {} ''
|
|
mkdir -p "$out"
|
|
cp -r ${monorepoSrc}/cmake "$out"
|
|
cp -r ${monorepoSrc}/${pname} "$out"
|
|
mkdir -p "$out/libcxx/src"
|
|
cp -r ${monorepoSrc}/libcxx/cmake "$out/libcxx"
|
|
cp -r ${monorepoSrc}/libcxx/include "$out/libcxx"
|
|
cp -r ${monorepoSrc}/libcxx/src/include "$out/libcxx/src"
|
|
mkdir -p "$out/llvm"
|
|
cp -r ${monorepoSrc}/llvm/cmake "$out/llvm"
|
|
'';
|
|
|
|
sourceRoot = "${src.name}/${pname}";
|
|
|
|
outputs = [ "out" "dev" ];
|
|
|
|
postUnpack = lib.optionalString stdenv.isDarwin ''
|
|
export TRIPLE=x86_64-apple-darwin
|
|
'' + lib.optionalString stdenv.hostPlatform.isWasm ''
|
|
patch -p1 -d llvm -i ${../../common/libcxxabi/wasm.patch}
|
|
'';
|
|
|
|
patches = [
|
|
./gnu-install-dirs.patch
|
|
];
|
|
|
|
nativeBuildInputs = [ cmake python3 ];
|
|
buildInputs = lib.optional (!stdenv.isDarwin && !stdenv.hostPlatform.isWasm) libunwind;
|
|
|
|
cmakeFlags = [
|
|
"-DLIBCXXABI_LIBCXX_INCLUDES=${cxx-headers}/include/c++/v1"
|
|
] ++ lib.optionals (stdenv.hostPlatform.useLLVM or false) [
|
|
"-DLLVM_ENABLE_LIBCXX=ON"
|
|
"-DLIBCXXABI_USE_LLVM_UNWINDER=ON"
|
|
] ++ lib.optionals stdenv.hostPlatform.isWasm [
|
|
"-DLIBCXXABI_ENABLE_THREADS=OFF"
|
|
"-DLIBCXXABI_ENABLE_EXCEPTIONS=OFF"
|
|
] ++ lib.optionals (!enableShared) [
|
|
"-DLIBCXXABI_ENABLE_SHARED=OFF"
|
|
];
|
|
|
|
installPhase = if stdenv.isDarwin
|
|
then ''
|
|
for file in lib/*.dylib; do
|
|
if [ -L "$file" ]; then continue; fi
|
|
|
|
# Fix up the install name. Preserve the basename, just replace the path.
|
|
installName="$out/lib/$(basename $(${stdenv.cc.targetPrefix}otool -D $file | tail -n 1))"
|
|
|
|
# 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
|
|
${stdenv.cc.targetPrefix}install_name_tool -id $installName $file
|
|
|
|
# cc-wrapper passes '-lc++abi' to all c++ link steps, but that causes
|
|
# libcxxabi to sometimes link against a different version of itself.
|
|
# Here we simply make that second reference point to ourselves.
|
|
for other in $(${stdenv.cc.targetPrefix}otool -L $file | awk '$1 ~ "/libc\\+\\+abi" { print $1 }'); do
|
|
${stdenv.cc.targetPrefix}install_name_tool -change $other $installName $file
|
|
done
|
|
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
|
|
install -m 644 ../include/cxxabi.h $out/include
|
|
'' + lib.optionalString enableShared ''
|
|
install -m 644 lib/libc++abi.so.1.0 $out/lib
|
|
ln -s libc++abi.so.1.0 $out/lib/libc++abi.so
|
|
ln -s libc++abi.so.1.0 $out/lib/libc++abi.so.1
|
|
'';
|
|
|
|
passthru = {
|
|
libName = "c++abi";
|
|
};
|
|
|
|
meta = llvm_meta // {
|
|
homepage = "https://libcxxabi.llvm.org/";
|
|
description = "Provides C++ standard library support";
|
|
longDescription = ''
|
|
libc++abi is a new implementation of low level support for a standard C++ library.
|
|
'';
|
|
# "All of the code in libc++abi is dual licensed under the MIT license and
|
|
# the UIUC License (a BSD-like license)":
|
|
license = with lib.licenses; [ mit ncsa ];
|
|
maintainers = llvm_meta.maintainers ++ [ lib.maintainers.vlstill ];
|
|
};
|
|
}
|