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Export of internal Abseil changes

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f8fe0f483378c7520d8f8bdfabe4b20de4d96c7e by Andy Soffer <asoffer@google.com>:

Ensure that Invoke can support C++17 in the sense that noexcept is part of the type.

PiperOrigin-RevId: 261730155

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bf796ab71653a80498f9374bc8c5111d065c64ba by Abseil Team <absl-team@google.com>:

Fix typo in static_assert message for copy/move constructible by replacing "by" with "be".

PiperOrigin-RevId: 261713992

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8c7c17c40d03a322f304a2fd73ed34462dbf265a by Andy Soffer <asoffer@google.com>:

Add absl::is_function drop-in replacement for std::is_function. Some standard
libraries incorrectly implement std::is_function in a few corner cases. In
particular, libstdc++ functions marked noexcept.

The trick being used here is that function types decay to pointers. After
excluding cases like is_class, etc, we can distinguish function types by
testing for this decay.

Many thanks to ericwf@ for essentially writing this CL.

PiperOrigin-RevId: 261705008

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c5adf42d0a132c2525d17a719329eab2ffe0aa94 by Abseil Team <absl-team@google.com>:

Add microbenchmark for StrSplit that uses delimiter ByAnyChar.

PiperOrigin-RevId: 261424010

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66a342f9381ec56be2fe3aa5b3193dd3538a9740 by Andy Soffer <asoffer@google.com>:

CMake support for Abseil Random

This change touches almost build-related files for CMake almost exclusively. The one minor exception is random/internal/salted_seed_seq.h. The default warnings configuration for one of our CI builds requests not having named but unused parameters. The change in this file cleans up that warning.

PiperOrigin-RevId: 261192369
GitOrigin-RevId: f8fe0f483378c7520d8f8bdfabe4b20de4d96c7e
Change-Id: I05f662baacfe78750651535aa658f61c2327bc44
This commit is contained in:
Abseil Team 2019-08-05 11:32:04 -07:00 • committed by vslashg
parent 14550beb3b
commit c5c4db4f51
12 changed files with 1145 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

5
absl/copts/AbseilConfigureCopts.cmake
View file

@ -9,6 +9,7 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(ABSL_DEFAULT_COPTS "${ABSL_GCC_FLAGS}")
set(ABSL_TEST_COPTS "${ABSL_GCC_FLAGS};${ABSL_GCC_TEST_FLAGS}")
set(ABSL_EXCEPTIONS_FLAG "${ABSL_GCC_EXCEPTIONS_FLAGS}")
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
# MATCHES so we get both Clang and AppleClang
if(MSVC)
@ -17,10 +18,12 @@ elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_FLAGS};${ABSL_CLANG_CL_TEST_FLAGS}")
set(ABSL_EXCEPTIONS_FLAG "${ABSL_CLANG_CL_EXCEPTIONS_FLAGS}")
set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
else()
set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
set(ABSL_TEST_COPTS "${ABSL_LLVM_FLAGS};${ABSL_LLVM_TEST_FLAGS}")
set(ABSL_EXCEPTIONS_FLAG "${ABSL_LLVM_EXCEPTIONS_FLAGS}")
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# AppleClang doesn't have lsan
# https://developer.apple.com/documentation/code_diagnostics
@ -35,11 +38,13 @@ elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
set(ABSL_TEST_COPTS "${ABSL_MSVC_FLAGS};${ABSL_MSVC_TEST_FLAGS}")
set(ABSL_EXCEPTIONS_FLAG "${ABSL_MSVC_EXCEPTIONS_FLAGS}")
set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
else()
message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}. Building with no default flags")
set(ABSL_DEFAULT_COPTS "")
set(ABSL_TEST_COPTS "")
set(ABSL_EXCEPTIONS_FLAG "")
set(ABSL_RANDOM_RANDEN_COPTS "")
endif()
# This flag is used internally for Bazel builds and is kept here for consistency