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Diffstat (limited to 'butl/ft/exception')
| -rw-r--r-- | butl/ft/exception | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/butl/ft/exception b/butl/ft/exception new file mode 100644 index 0000000..2dd3a38 --- /dev/null +++ b/butl/ft/exception @@ -0,0 +1,39 @@ +// file : butl/ft/exception -*- C++ -*- +// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd +// license : MIT; see accompanying LICENSE file + +#ifndef BUTL_FT_EXCEPTION +#define BUTL_FT_EXCEPTION + +#include <cstddef> // _LIBCPP_VERSION +#include <exception> + +// __cpp_lib_uncaught_exceptions +// +#ifndef __cpp_lib_uncaught_exceptions + // + // VC has it since 1900. + // +# if defined(_MSC_VER) +# if _MSC_VER >= 1900 +# define __cpp_lib_uncaught_exceptions 201411 +# endif + // + // Clang's libc++ seems to have it for a while (but not before 1200) so we + // assume it's there from 1200. But not for MacOS, where it is explicitly + // marked as unavailable until MacOS 10.12. + // +# elif defined(_LIBCPP_VERSION) +# if _LIBCPP_VERSION >= 1200 && \ + (!defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) || \ + __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101200) +# define __cpp_lib_uncaught_exceptions 201411 +# endif + // + // GCC libstdc++ has it since GCC 6 and it defines the feature test macro. + // We will also use this for any other runtime. + // +# endif +#endif + +#endif // BUTL_FT_EXCEPTION |