我是 android 构建系统的新手，在 MAC 操作系统中构建时遇到以下错误。请帮助我使构建成功。
In file included from external/libcxx/src/any.cpp:10:
In file included from external/libcxx/include/experimental/any:84:
external/libcxx/include/cstdlib:167:44: error: declaration conflicts with target of using declaration already in scope
inline _LIBCPP_INLINE_VISIBILITY long abs( long __x) _NOEXCEPT {return labs(__x);}
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/stdlib.h:115:44: note: target of using declaration
inline _LIBCPP_INLINE_VISIBILITY long abs( long __x) _NOEXCEPT
{return labs(__x);}
^
external/libcxx/include/cstdlib:135:9: note: using declaration
using ::abs;
^
external/libcxx/include/cstdlib:169:44: error: declaration conflicts with target of using declaration already in scope
inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT …