merge(3p/absl): subtree merge of Abseil up to e19260f

... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions

View file

@ -22,13 +22,24 @@
cmake_minimum_required(VERSION 3.5)
# Compiler id for Apple Clang is now AppleClang.
cmake_policy(SET CMP0025 NEW)
if (POLICY CMP0025)
cmake_policy(SET CMP0025 NEW)
endif (POLICY CMP0025)
# if command can use IN_LIST
cmake_policy(SET CMP0057 NEW)
if (POLICY CMP0057)
cmake_policy(SET CMP0057 NEW)
endif (POLICY CMP0057)
# Project version variables are the empty string if version is unspecified
cmake_policy(SET CMP0048 NEW)
if (POLICY CMP0048)
cmake_policy(SET CMP0048 NEW)
endif (POLICY CMP0048)
# option() honor variables
if (POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif (POLICY CMP0077)
project(absl CXX)
@ -41,9 +52,9 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
# when absl is included as subproject (i.e. using add_subdirectory(abseil-cpp))
# in the source tree of a project that uses it, install rules are disabled.
if(NOT "^${CMAKE_SOURCE_DIR}$" STREQUAL "^${PROJECT_SOURCE_DIR}$")
set(ABSL_ENABLE_INSTALL FALSE)
option(ABSL_ENABLE_INSTALL "Enable install rule" OFF)
else()
set(ABSL_ENABLE_INSTALL TRUE)
option(ABSL_ENABLE_INSTALL "Enable install rule" ON)
endif()
list(APPEND CMAKE_MODULE_PATH
@ -87,12 +98,13 @@ find_package(Threads REQUIRED)
option(ABSL_USE_EXTERNAL_GOOGLETEST
"If ON, Abseil will assume that the targets for GoogleTest are already provided by the including project. This makes sense when Abseil is used with add_subproject." OFF)
option(ABSL_USE_GOOGLETEST_HEAD
"If ON, abseil will download HEAD from googletest at config time." OFF)
"If ON, abseil will download HEAD from GoogleTest at config time." OFF)
set(ABSL_GOOGLETEST_DOWNLOAD_URL "" CACHE STRING "If set, download GoogleTest from this URL")
set(ABSL_LOCAL_GOOGLETEST_DIR "/usr/src/googletest" CACHE PATH
"If ABSL_USE_GOOGLETEST_HEAD is OFF, specifies the directory of a local googletest checkout."
"If ABSL_USE_GOOGLETEST_HEAD is OFF and ABSL_GOOGLETEST_URL is not set, specifies the directory of a local GoogleTest checkout."
)
option(ABSL_RUN_TESTS "If ON, Abseil tests will be run." OFF)
@ -101,12 +113,19 @@ if(${ABSL_RUN_TESTS})
# enable CTest. This will set BUILD_TESTING to ON unless otherwise specified
# on the command line
include(CTest)
enable_testing()
## check targets
if (NOT ABSL_USE_EXTERNAL_GOOGLETEST)
set(absl_gtest_build_dir ${CMAKE_BINARY_DIR}/googletest-build)
if(${ABSL_USE_GOOGLETEST_HEAD})
if(ABSL_USE_GOOGLETEST_HEAD AND ABSL_GOOGLETEST_DOWNLOAD_URL)
message(FATAL_ERROR "Do not set both ABSL_USE_GOOGLETEST_HEAD and ABSL_GOOGLETEST_DOWNLOAD_URL")
endif()
if(ABSL_USE_GOOGLETEST_HEAD)
set(absl_gtest_download_url "https://github.com/google/googletest/archive/master.zip")
elseif(ABSL_GOOGLETEST_DOWNLOAD_URL)
set(absl_gtest_download_url ${ABSL_GOOGLETEST_DOWNLOAD_URL})
endif()
if(absl_gtest_download_url)
set(absl_gtest_src_dir ${CMAKE_BINARY_DIR}/googletest-src)
else()
set(absl_gtest_src_dir ${ABSL_LOCAL_GOOGLETEST_DIR})