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dtoolbase: Remove hacky support code for old libstdc++ on macOS

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rdb 2021-03-26 21:08:29 +01:00
parent b7050e8804
commit 51b6a90fcb
1 changed files with 0 additions and 53 deletions
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53
dtool/src/dtoolbase/dtoolbase_cc.h
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@ -112,61 +112,8 @@ typedef std::ios::seekdir ios_seekdir;
#define INLINE inline
#endif
// Apple has an outdated libstdc++. Not all is lost, though, as we can fill
// in some important missing functions.
#if defined(__GLIBCXX__) && __GLIBCXX__ <= 20070719
#include <tr1/tuple>
#include <tr1/cmath>
namespace std {
using std::tr1::tuple;
using std::tr1::tie;
using std::tr1::copysign;
typedef decltype(nullptr) nullptr_t;
template<class T> struct remove_reference {typedef T type;};
template<class T> struct remove_reference<T&> {typedef T type;};
template<class T> struct remove_reference<T&& >{typedef T type;};
template<class T> typename remove_reference<T>::type &&move(T &&t) {
return static_cast<typename remove_reference<T>::type&&>(t);
}
template<class T> struct owner_less;
typedef enum memory_order {
memory_order_relaxed,
memory_order_consume,
memory_order_acquire,
memory_order_release,
memory_order_acq_rel,
memory_order_seq_cst,
} memory_order;
#define ATOMIC_FLAG_INIT { 0 }
class atomic_flag {
bool _flag;
public:
atomic_flag() noexcept = default;
ALWAYS_INLINE constexpr atomic_flag(bool flag) noexcept : _flag(flag) {}
atomic_flag(const atomic_flag &) = delete;
~atomic_flag() noexcept = default;
atomic_flag &operator = (const atomic_flag&) = delete;
ALWAYS_INLINE bool test_and_set(memory_order order = memory_order_seq_cst) noexcept {
return __atomic_test_and_set(&_flag, order);
}
ALWAYS_INLINE void clear(memory_order order = memory_order_seq_cst) noexcept {
__atomic_clear(&_flag, order);
}
};
};
#else
// Expect that we have access to the <atomic> header.
#define PHAVE_ATOMIC 1
#endif
// Determine the availability of C++11 features.
#if defined(_MSC_VER) && _MSC_VER < 1900 // Visual Studio 2015