diff options
Diffstat (limited to 'include/ruby/internal/has/cpp_attribute.h')
| -rw-r--r-- | include/ruby/internal/has/cpp_attribute.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/include/ruby/internal/has/cpp_attribute.h b/include/ruby/internal/has/cpp_attribute.h index 9c12765e58..6a393b1a24 100644 --- a/include/ruby/internal/has/cpp_attribute.h +++ b/include/ruby/internal/has/cpp_attribute.h @@ -17,15 +17,23 @@ * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of - * extension libraries. They could be written in C++98. + * extension libraries. They could be written in C++98. * @brief Defines #RBIMPL_HAS_CPP_ATTRIBUTE. */ #include "ruby/internal/compiler_is.h" #include "ruby/internal/compiler_since.h" -#include "ruby/internal/token_paste.h" /** @cond INTERNAL_MACRO */ -#if defined(__has_cpp_attribute) +#if RBIMPL_COMPILER_IS(SunPro) +# /* Oracle Developer Studio 12.5's C++ preprocessor is reportedly broken. We +# * could simulate __has_cpp_attribute like below, but don't know the exact +# * list of which version supported which attribute. Just kill everything for +# * now. If you can please :FIXME: */ +# /* https://unicode-org.atlassian.net/browse/ICU-12893 */ +# /* https://github.com/boostorg/config/pull/95 */ +# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) 0 + +#elif defined(__has_cpp_attribute) # define RBIMPL_HAS_CPP_ATTRIBUTE0(_) __has_cpp_attribute(_) #elif RBIMPL_COMPILER_IS(MSVC) @@ -33,7 +41,7 @@ # * explicitly by a compiler flag). They also lack __has_cpp_attribute until # * 2019. However, they do have attributes since 2015 or so. */ # /* https://docs.microsoft.com/en-us/cpp/overview/visual-cpp-language-conformance */ -# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_CPP_ATTRIBUTE_, _) +# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) (RBIMPL_HAS_CPP_ATTRIBUTE_ ## _) # define RBIMPL_HAS_CPP_ATTRIBUTE_noreturn 200809 * RBIMPL_COMPILER_SINCE(MSVC, 19, 00, 0) # define RBIMPL_HAS_CPP_ATTRIBUTE_carries_dependency 200809 * RBIMPL_COMPILER_SINCE(MSVC, 19, 00, 0) # define RBIMPL_HAS_CPP_ATTRIBUTE_deprecated 201309 * RBIMPL_COMPILER_SINCE(MSVC, 19, 10, 0) @@ -45,14 +53,14 @@ # /* Clang 3.6.0 introduced __has_cpp_attribute. Prior to that following # * attributes were already there. */ # /* https://clang.llvm.org/cxx_status.html */ -# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_CPP_ATTRIBUTE_, _) +# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) (RBIMPL_HAS_CPP_ATTRIBUTE_ ## _) # define RBIMPL_HAS_CPP_ATTRIBUTE_noreturn 200809 * RBIMPL_COMPILER_SINCE(Clang, 3, 3, 0) # define RBIMPL_HAS_CPP_ATTRIBUTE_deprecated 201309 * RBIMPL_COMPILER_SINCE(Clang, 3, 4, 0) #elif RBIMPL_COMPILER_BEFORE(GCC, 5, 0, 0) # /* GCC 5+ have __has_cpp_attribute, while 4.x had following attributes. */ # /* https://gcc.gnu.org/projects/cxx-status.html */ -# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_CPP_ATTRIBUTE_, _) +# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) (RBIMPL_HAS_CPP_ATTRIBUTE_ ## _) # define RBIMPL_HAS_CPP_ATTRIBUTE_noreturn 200809 * RBIMPL_COMPILER_SINCE(GCC, 4, 8, 0) # define RBIMPL_HAS_CPP_ATTRIBUTE_deprecated 201309 * RBIMPL_COMPILER_SINCE(GCC, 4, 9, 0) @@ -60,7 +68,6 @@ # /* :FIXME: # * Candidate compilers to list here: # * - icpc: They have __INTEL_CXX11_MODE__. -# * - SunPro: Seems they support C++11. # */ # define RBIMPL_HAS_CPP_ATTRIBUTE0(_) 0 #endif |