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Disable UDL templates on GCC 9 by default (#1148)

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Victor Zverovich
2019-05-11 08:58:34 -07:00
parent de5da50910
commit a6e8ed15c4
1 changed files with 16 additions and 13 deletions
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29
include/fmt/format.h
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@ -148,15 +148,18 @@ FMT_END_NAMESPACE
# endif # endif
#endif #endif
// EDG C++ Front End based compilers (icc, nvcc) do not currently support UDL #ifndef FMT_USE_UDL_TEMPLATE
// templates. // EDG front end based compilers (icc, nvcc) do not support UDL templates yet
#if FMT_USE_USER_DEFINED_LITERALS && FMT_ICC_VERSION == 0 && \ // and GCC 9 warns about them.
FMT_CUDA_VERSION == 0 && \ # if FMT_USE_USER_DEFINED_LITERALS && FMT_ICC_VERSION == 0 && \
((FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L) || \ FMT_CUDA_VERSION == 0 && \
(defined(FMT_CLANG_VERSION) && FMT_CLANG_VERSION >= 304)) ((FMT_GCC_VERSION >= 600 && FMT_GCC_VERSION <= 900 && \
# define FMT_UDL_TEMPLATE 1 __cplusplus >= 201402L) || \
#else (defined(FMT_CLANG_VERSION) && FMT_CLANG_VERSION >= 304))
# define FMT_UDL_TEMPLATE 0 # define FMT_USE_UDL_TEMPLATE 1
# else
# define FMT_USE_UDL_TEMPLATE 0
# endif
#endif #endif
#if FMT_HAS_GXX_CXX11 || FMT_HAS_FEATURE(cxx_trailing_return) || \ #if FMT_HAS_GXX_CXX11 || FMT_HAS_FEATURE(cxx_trailing_return) || \
@ -3570,7 +3573,7 @@ inline std::size_t formatted_size(string_view format_str, const Args&... args) {
#if FMT_USE_USER_DEFINED_LITERALS #if FMT_USE_USER_DEFINED_LITERALS
namespace internal { namespace internal {
# if FMT_UDL_TEMPLATE # if FMT_USE_UDL_TEMPLATE
template <typename Char, Char... CHARS> class udl_formatter { template <typename Char, Char... CHARS> class udl_formatter {
public: public:
template <typename... Args> template <typename... Args>
@ -3593,7 +3596,7 @@ template <typename Char> struct udl_formatter {
return format(str, std::forward<Args>(args)...); return format(str, std::forward<Args>(args)...);
} }
}; };
# endif // FMT_UDL_TEMPLATE # endif // FMT_USE_UDL_TEMPLATE
template <typename Char> struct udl_arg { template <typename Char> struct udl_arg {
const Char* str; const Char* str;
@ -3606,7 +3609,7 @@ template <typename Char> struct udl_arg {
} // namespace internal } // namespace internal
inline namespace literals { inline namespace literals {
# if FMT_UDL_TEMPLATE # if FMT_USE_UDL_TEMPLATE
template <typename Char, Char... CHARS> template <typename Char, Char... CHARS>
FMT_CONSTEXPR internal::udl_formatter<Char, CHARS...> operator""_format() { FMT_CONSTEXPR internal::udl_formatter<Char, CHARS...> operator""_format() {
return {}; return {};
@ -3630,7 +3633,7 @@ inline internal::udl_formatter<wchar_t> operator"" _format(const wchar_t* s,
std::size_t) { std::size_t) {
return {s}; return {s};
} }
# endif // FMT_UDL_TEMPLATE # endif // FMT_USE_UDL_TEMPLATE
/** /**
\rst \rst