v0.3.0 build error: reference to 'allocator' is ambiguous #185
Comments
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Thanks for reporting. ryml is tested successfully in macOS 11.6.2 with XCode 13.0.0. I'll setup a workflow to try to reproduce with XCode 12.0. |
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Yes, the CI now shows this error as well (eg, this). Since I have no access to mac or xcode other than through the github workflows, and I cannot find what is the macro to test the xcode version, I'm going to require your help to fix this. The problem is in the header c4/std/vector_fwd.hpp. It seems that xcode 13 needs something like: namespace std {
template<typename> class allocator;
inline namespace __1 {
template<typename T, typename Alloc> class vector;
} // namespace __1where as for xcode 12 namespace std {
inline namespace __1 {
template<typename> class allocator;
template<typename T, typename Alloc> class vector;
} // namespace __1That is, the fixed header is going to be something like #if defined(__GLIBCXX__) || defined(__GLIBCPP__) || defined(_MSC_VER)
....
#elif defined(_LIBCPP_VERSION) || defined(__APPLE_CC__)
#if defined(__EMSCRIPTEN__)
namespace std {
template<typename> class allocator;
inline namespace __2 {
template<typename T, typename Alloc> class vector;
} // namespace __2
} // namespace std
#else
#if (xcode_version is >= 13) // <<<<<<<<< what is the macro for this???
namespace std {
template<typename> class allocator;
inline namespace __1 {
template<typename T, typename Alloc> class vector;
} // namespace __1
} // namespace std
#else
namespace std {
inline namespace __1 {
template<typename> class allocator;
template<typename T, typename Alloc> class vector;
} // namespace __1
} // namespace std
#endif
#else
#error "unknown standard library"
#endifSo
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I cannot find any reference to a macro to test the xcode version. It may be the case that |
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My Development Env：
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I build v0.3.0 src code on macOS 11.6:
mkdir build cmake -B build && make -C buildThen I get the following error:
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