diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2017-01-24 08:10:58 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2017-01-24 08:10:58 +0200 |
| commit | 2fcb8f32f339f3a3cb550f10f565d6072f565012 (patch) | |
| tree | 1124a256ba5fe1f66272b781a99374c4c688e3d7 /butl/config | |
| parent | f29c9a5a0cdca0205f98d55ad20d1145295db126 (diff) | |
Redo config as feature test macros
Diffstat (limited to 'butl/config')
| -rw-r--r-- | butl/config | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/butl/config b/butl/config deleted file mode 100644 index 0a5169f..0000000 --- a/butl/config +++ /dev/null @@ -1,52 +0,0 @@ -// file : butl/config -*- C++ -*- -// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd -// license : MIT; see accompanying LICENSE file - -#ifndef BUTL_CONFIG -#define BUTL_CONFIG - -#include <cstddef> // _LIBCPP_VERSION, __GLIBCXX__ - -// thread_local -// -// If this macro is undefined then we assume one can use __thread but only -// for values that do not require dynamic (runtime) initialization. -// -// Apparently Apple's Clang "temporarily disabled" C++11 thread_local -// until they can implement a "fast" version, which reportedly happened in -// XCode 8. So for now we will continue using __thread for this target. -// -#ifdef __apple_build_version__ -# if __apple_build_version__ >= 8000000 -# define BUTL_CXX11_THREAD_LOCAL -# endif -#else -# define BUTL_CXX11_THREAD_LOCAL -#endif - -// std::uncaught_exceptions() -// -// VC has it since 1900 which is the lowest version we support. -// -#if defined(_MSC_VER) -# define BUTL_CXX17_UNCAUGHT_EXCEPTIONS -// -// Clang's libc++ seems to have it for a while (but not before 1200) so we -// assume it's there from 1200 (it doesn't define a feature test macros). But -// not for MacOS, where it is explicitly marked as unavailable until MacOS -// 10.12. -// -#elif defined(_LIBCPP_VERSION) && _LIBCPP_VERSION >= 1200 -# if !defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) || \ - __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101200 -# define BUTL_CXX17_UNCAUGHT_EXCEPTIONS -# endif -// -// GCC libstdc++ has it since GCC 6 and it defines the feature test macro. -// We will also use this for any other runtime. -// -#elif defined(__cpp_lib_uncaught_exceptions) -# define BUTL_CXX17_UNCAUGHT_EXCEPTIONS -#endif - -#endif // BUTL_CONFIG |