feat(Core): Enable C++20 support (#10440)

* feat(Core): Enable C++20 support

* Update Duration.h

* Revert "Update Duration.h"

This reverts commit 177093e992c5d47d8c3b978c84857f5ecba12889.

* maybe fix GCC

* cherry-pick https://gcc.gnu.org/pipermail/gcc-cvs/2020-June/299715.html

* Update Duration.h

* Update Duration.h

* Update Duration.h

* Update Duration.h

* Update Duration.h

* Update Duration.h

* Update Duration.h

* Revert "Update Duration.h"

This reverts commit dc4e2ce281dd1a33cfac5be56488a3b96131bfd5.

* Update Duration.h

* Update Duration.h

* Update Duration.h

* cleanup

* more cleanup

* maybe fix build

* restore advstd::type_identity because GCC8 is garbage

* Update advstd.h

* fix gcc8 💤

* Update CMakeLists.txt

* Update CMakeLists.txt

* Update src/common/Utilities/advstd.h

Co-authored-by: Francesco Borzì <borzifrancesco@gmail.com>
This commit is contained in:
Kitzunu
2022-02-11 14:37:24 +01:00
committed by GitHub
parent 8a9a3c6fac
commit 7e8b021db3
9 changed files with 23 additions and 80 deletions

View File

@@ -35,7 +35,22 @@ using Minutes = std::chrono::minutes;
/// Hours shorthand typedef.
using Hours = std::chrono::hours;
#if __cplusplus > 201703L
// Workaround for GCC and Clang 10 in C++20
#if defined(__GNUC__) && (!defined(__clang__) || (__clang_major__ == 10))
/// Days shorthand typedef.
using Days = std::chrono::duration<__INT64_TYPE__, std::ratio<86400>>;
/// Weeks shorthand typedef.
using Weeks = std::chrono::duration<__INT64_TYPE__, std::ratio<604800>>;
/// Years shorthand typedef.
using Years = std::chrono::duration<__INT64_TYPE__, std::ratio<31556952>>;
/// Months shorthand typedef.
using Months = std::chrono::duration<__INT64_TYPE__, std::ratio<2629746>>;
#else
/// Days shorthand typedef.
using Days = std::chrono::days;
@@ -47,19 +62,8 @@ using Years = std::chrono::years;
/// Months shorthand typedef.
using Months = std::chrono::months;
#else
/// Days shorthand typedef. (delete after start support c++20)
using Days = std::chrono::duration<int, std::ratio_multiply<std::ratio<24>, Hours::period>>;
/// Weeks shorthand typedef. (delete after start support c++20)
using Weeks = std::chrono::duration<int, std::ratio_multiply<std::ratio<7>, Days::period>>;
/// Years shorthand typedef. (delete after start support c++20)
using Years = std::chrono::duration<int, std::ratio_multiply<std::ratio<146097, 400>, Days::period>>;
/// Months shorthand typedef. (delete after start support c++20)
using Months = std::chrono::duration<int, std::ratio_divide<Years::period, std::ratio<12>>>;
#endif
#endif // GCC_VERSION
/// time_point shorthand typedefs
using TimePoint = std::chrono::steady_clock::time_point;

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@@ -21,7 +21,6 @@
#include "Define.h"
#include "Duration.h"
#include "Random.h"
#include "advstd.h"
#include <map>
#include <type_traits>

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@@ -24,6 +24,8 @@
// this namespace holds implementations of upcoming stdlib features that our c++ version doesn't have yet
namespace advstd
{
// This workaround for std::remove_cvref_t, std::type_identify is needed for GCC 8...
// TODO: remove when we drop GCC 8 support. https://en.cppreference.com/w/cpp/compiler_support/20
// C++20 advstd::remove_cvref_t
template <class T>
using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>;