diff options
| author |  Derek Mauro <dmauro@google.com> | 2023-02-27 07:32:56 -0800 |
|---|---|---|
| committer |  Copybara-Service <copybara-worker@google.com> | 2023-02-27 07:33:43 -0800 |
| commit | 7b46123329a756ea2ba59fde56af5f7c214364a3 (patch) | |
| tree | d2e434bc2a1be1028bf26c6e90ea3f115032827b /absl/base/config.h | |
| parent | f2b52372f7f553a4e9b2558daf2d14d3adf484da (diff) | |
Remove backfills of some type traits that are now fully supported
PiperOrigin-RevId: 512622121
Change-Id: If90aaf7939062bd475253c372d9d7950c98c7150
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index e8605ab3..2929aa15 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -237,15 +237,8 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || // ABSL_HAVE_STD_IS_TRIVIALLY_DESTRUCTIBLE // // Checks whether `std::is_trivially_destructible<T>` is supported. -// -// Notes: All supported compilers using libc++ support this feature, as does -// gcc >= 4.8.1 using libstdc++, and Visual Studio. #ifdef ABSL_HAVE_STD_IS_TRIVIALLY_DESTRUCTIBLE #error ABSL_HAVE_STD_IS_TRIVIALLY_DESTRUCTIBLE cannot be directly set -#elif defined(_LIBCPP_VERSION) || defined(_MSC_VER) || \ - (defined(__clang__) && __clang_major__ >= 15) || \ - (!defined(__clang__) && defined(__GLIBCXX__) && \ - ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(4, 8)) #define ABSL_HAVE_STD_IS_TRIVIALLY_DESTRUCTIBLE 1 #endif @@ -253,36 +246,26 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || // // Checks whether `std::is_trivially_default_constructible<T>` and // `std::is_trivially_copy_constructible<T>` are supported. +#ifdef ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE +#error ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE cannot be directly set +#else +#define ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE 1 +#endif // ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE // // Checks whether `std::is_trivially_copy_assignable<T>` is supported. - -// Notes: Clang with libc++ supports these features, as does gcc >= 7.4 with -// libstdc++, or gcc >= 8.2 with libc++, and Visual Studio (but not NVCC). -#if defined(ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE) -#error ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE cannot be directly set -#elif defined(ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE) -#error ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE cannot directly set -#elif (defined(__clang__) && defined(_LIBCPP_VERSION)) || \ - (defined(__clang__) && __clang_major__ >= 15) || \ - (!defined(__clang__) && \ - ((ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(7, 4) && defined(__GLIBCXX__)) || \ - (ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(8, 2) && \ - defined(_LIBCPP_VERSION)))) || \ - (defined(_MSC_VER) && !defined(__NVCC__) && !defined(__clang__)) -#define ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE 1 +#ifdef ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE +#error ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE cannot be directly set +#else #define ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE 1 #endif // ABSL_HAVE_STD_IS_TRIVIALLY_COPYABLE // // Checks whether `std::is_trivially_copyable<T>` is supported. -// -// Notes: Clang 15+ with libc++ supports these features, GCC hasn't been tested. -#if defined(ABSL_HAVE_STD_IS_TRIVIALLY_COPYABLE) +#ifdef ABSL_HAVE_STD_IS_TRIVIALLY_COPYABLE #error ABSL_HAVE_STD_IS_TRIVIALLY_COPYABLE cannot be directly set -#elif defined(__clang__) && (__clang_major__ >= 15) #define ABSL_HAVE_STD_IS_TRIVIALLY_COPYABLE 1 #endif |