From 4167eab063636a1fadcd571e0a762ff67d742c25 Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Wed, 29 Sep 2021 09:40:33 -0700 Subject: Export of internal Abseil changes -- 506fa3e10b3d8399ad937c32ecea26d1ad4e62bb by Abseil Team : Disable ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE when GCC < 8.2.0 is used with libc++ PiperOrigin-RevId: 399707056 -- 656b7c7cee87f46a4bc7953618796f82da08e62c by Derek Mauro : Remove the MSVC flag implementation from flag.h to help clarify that methods on absl::Flag are not part of the public API PiperOrigin-RevId: 399584678 -- a92a9bc156303bc663b84c4b704891ec8f67e333 by Abseil Team : Get rid of MemcpyIfAllowed while continuing to suppress erroneous warnings PiperOrigin-RevId: 399468864 -- 5f9a66895f707ba001fb51b88c0c6025f8c872a3 by Abseil Team : Use feature testing to check for availability of invoke_result. Feature testing should be available by C++20, which removes invoke_result. https://en.cppreference.com/w/cpp/feature_test PiperOrigin-RevId: 399447373 -- 946c0a502b4499dbfcabf1ab93ddde0048288fb4 by CJ Johnson : Add rvalue-reference qualifier to the Commit method on ConstructionTransaction PiperOrigin-RevId: 399442206 -- 726a4d036eff49aeb6fd0ca2b1775699b6844395 by Greg Falcon : Internal change PiperOrigin-RevId: 399441870 -- 1df6d3f659b88dbac13c3d8e13db23bb3844ece2 by Abseil Team : Clang-format whitespace changes PiperOrigin-RevId: 399281271 -- 4a828cde95a07421d699ebac775b37810624214f by Derek Mauro : Internal change PiperOrigin-RevId: 399234071 -- e520c72b34ba2f98668c889139001f8276243d31 by Greg Falcon : Import of CCTZ from GitHub. PiperOrigin-RevId: 399233662 GitOrigin-RevId: 506fa3e10b3d8399ad937c32ecea26d1ad4e62bb Change-Id: I92b9176d2387c08eb167f9268efa78b55b8e09c2 --- absl/base/config.h | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'absl/base/config.h') diff --git a/absl/base/config.h b/absl/base/config.h index 5d3edcd2..0562cddb 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -243,15 +243,17 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' || // // Checks whether `std::is_trivially_copy_assignable` is supported. -// Notes: Clang with libc++ supports these features, as does gcc >= 5.1 with -// either libc++ or libstdc++, and Visual Studio (but not NVCC). +// 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__) && ABSL_INTERNAL_HAVE_MIN_GNUC_VERSION(7, 4) && \ - (defined(_LIBCPP_VERSION) || defined(__GLIBCXX__))) || \ +#elif (defined(__clang__) && defined(_LIBCPP_VERSION)) || \ + (!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__)) #define ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE 1 #define ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE 1 -- cgit v1.2.3