_DEFAULT_SOURCE flag added, and clang check for IsTriviallyCopyable macro

fix clang ver check for 4.0 +

using clang macro __has_feature

__GLIBCXX__ check added

fix __has_feature
This commit is contained in:
dhust 2016-06-16 17:31:51 -03:00
parent c8d0eb103a
commit 19fed720ff
2 changed files with 7 additions and 2 deletions

View File

@ -209,7 +209,7 @@ endmacro()
# Enabling all warnings in MSVC spams too much
if(NOT MSVC)
add_definitions(-Wall)
add_definitions(-D_DEFAULT_SOURCE)
# TODO: would like these but they produce overwhelming amounts of warnings
#check_and_add_flag(EXTRA -Wextra)
#check_and_add_flag(MISSING_FIELD_INITIALIZERS -Wmissing-field-initializers)

View File

@ -32,7 +32,12 @@
#include "Common/Logging/Log.h"
// ewww
#if _LIBCPP_VERSION || __GNUC__ >= 5
#ifndef __has_feature
#define __has_feature(x) (0)
#endif
#if (__has_feature(is_trivially_copyable) && (defined(_LIBCPP_VERSION) || defined(__GLIBCXX__))) || (defined(__GNUC__) && __GNUC__ >= 5)
#define IsTriviallyCopyable(T) std::is_trivially_copyable<typename std::remove_volatile<T>::type>::value
#elif __GNUC__
#define IsTriviallyCopyable(T) std::has_trivial_copy_constructor<T>::value