diff options
Diffstat (limited to 'third_party/abseil-cpp/CMakeLists.txt')
| -rw-r--r-- | third_party/abseil-cpp/CMakeLists.txt | 135 |
1 files changed, 37 insertions, 98 deletions
diff --git a/third_party/abseil-cpp/CMakeLists.txt b/third_party/abseil-cpp/CMakeLists.txt index 750a47557d..48cb6eb5cf 100644 --- a/third_party/abseil-cpp/CMakeLists.txt +++ b/third_party/abseil-cpp/CMakeLists.txt @@ -22,36 +22,15 @@ cmake_minimum_required(VERSION 3.5) # Compiler id for Apple Clang is now AppleClang. -if (POLICY CMP0025) - cmake_policy(SET CMP0025 NEW) -endif (POLICY CMP0025) +cmake_policy(SET CMP0025 NEW) # if command can use IN_LIST -if (POLICY CMP0057) - cmake_policy(SET CMP0057 NEW) -endif (POLICY CMP0057) +cmake_policy(SET CMP0057 NEW) -# Project version variables are the empty string if version is unspecified -if (POLICY CMP0048) - cmake_policy(SET CMP0048 NEW) -endif (POLICY CMP0048) +# Project version variables are the empty std::string if version is unspecified +cmake_policy(SET CMP0048 NEW) -# option() honor variables -if (POLICY CMP0077) - cmake_policy(SET CMP0077 NEW) -endif (POLICY CMP0077) - -# Allow the user to specify the MSVC runtime -if (POLICY CMP0091) - cmake_policy(SET CMP0091 NEW) -endif (POLICY CMP0091) - -# Set BUILD_TESTING to OFF by default. -# This must come before the project() and include(CTest) lines. -OPTION(BUILD_TESTING "Build tests" OFF) - -project(absl LANGUAGES CXX VERSION 20211102) -include(CTest) +project(absl CXX) # Output directory is correct by default for most build setups. However, when # building Abseil as a DLL, it is important to have the DLL in the same @@ -61,17 +40,10 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) # when absl is included as subproject (i.e. using add_subdirectory(abseil-cpp)) # in the source tree of a project that uses it, install rules are disabled. -if(NOT CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR) - option(ABSL_ENABLE_INSTALL "Enable install rule" OFF) +if(NOT "^${CMAKE_SOURCE_DIR}$" STREQUAL "^${PROJECT_SOURCE_DIR}$") + set(ABSL_ENABLE_INSTALL FALSE) else() - option(ABSL_ENABLE_INSTALL "Enable install rule" ON) -endif() - -option(ABSL_PROPAGATE_CXX_STD - "Use CMake C++ standard meta features (e.g. cxx_std_11) that propagate to targets that link to Abseil" - OFF) # TODO: Default to ON for CMake 3.8 and greater. -if((${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.8) AND (NOT ABSL_PROPAGATE_CXX_STD)) - message(WARNING "A future Abseil release will default ABSL_PROPAGATE_CXX_STD to ON for CMake 3.8 and up. We recommend enabling this option to ensure your project still builds correctly.") + set(ABSL_ENABLE_INSTALL TRUE) endif() list(APPEND CMAKE_MODULE_PATH @@ -79,8 +51,8 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/absl/copts ) +include(AbseilInstallDirs) include(CMakePackageConfigHelpers) -include(GNUInstallDirs) include(AbseilDll) include(AbseilHelpers) @@ -109,87 +81,56 @@ endif() ## pthread find_package(Threads REQUIRED) -include(CMakeDependentOption) - -option(ABSL_USE_EXTERNAL_GOOGLETEST - "If ON, Abseil will assume that the targets for GoogleTest are already provided by the including project. This makes sense when Abseil is used with add_subproject." OFF) - -cmake_dependent_option(ABSL_FIND_GOOGLETEST - "If ON, Abseil will use find_package(GTest) rather than assuming that GoogleTest is already provided by the including project." - ON - "ABSL_USE_EXTERNAL_GOOGLETEST" - OFF) - - option(ABSL_USE_GOOGLETEST_HEAD - "If ON, abseil will download HEAD from GoogleTest at config time." OFF) + "If ON, abseil will download HEAD from googletest at config time." OFF) -set(ABSL_GOOGLETEST_DOWNLOAD_URL "" CACHE STRING "If set, download GoogleTest from this URL") +option(ABSL_RUN_TESTS "If ON, Abseil tests will be run." OFF) -set(ABSL_LOCAL_GOOGLETEST_DIR "/usr/src/googletest" CACHE PATH - "If ABSL_USE_GOOGLETEST_HEAD is OFF and ABSL_GOOGLETEST_URL is not set, specifies the directory of a local GoogleTest checkout." - ) +if(${ABSL_RUN_TESTS}) + # enable CTest. This will set BUILD_TESTING to ON unless otherwise specified + # on the command line + include(CTest) + enable_testing() +endif() +## check targets if(BUILD_TESTING) - ## check targets - if (ABSL_USE_EXTERNAL_GOOGLETEST) - if (ABSL_FIND_GOOGLETEST) - find_package(GTest REQUIRED) - else() - if (NOT TARGET gtest AND NOT TARGET GTest::gtest) - message(FATAL_ERROR "ABSL_USE_EXTERNAL_GOOGLETEST is ON and ABSL_FIND_GOOGLETEST is OFF, which means that the top-level project must build the Google Test project. However, the target gtest was not found.") - endif() - endif() - else() - set(absl_gtest_build_dir ${CMAKE_BINARY_DIR}/googletest-build) - 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 ${ABSL_LOCAL_GOOGLETEST_DIR}) - endif() + + if(${ABSL_USE_GOOGLETEST_HEAD}) include(CMake/Googletest/DownloadGTest.cmake) + set(absl_gtest_src_dir ${CMAKE_BINARY_DIR}/googletest-src) + set(absl_gtest_build_dir ${CMAKE_BINARY_DIR}/googletest-build) endif() - if (NOT ABSL_FIND_GOOGLETEST) - # When Google Test is included directly rather than through find_package, the aliases are missing. - add_library(GTest::gtest ALIAS gtest) - add_library(GTest::gtest_main ALIAS gtest_main) - add_library(GTest::gmock ALIAS gmock) - add_library(GTest::gmock_main ALIAS gmock_main) - endif() + check_target(gtest) + check_target(gtest_main) + check_target(gmock) - check_target(GTest::gtest) - check_target(GTest::gtest_main) - check_target(GTest::gmock) - check_target(GTest::gmock_main) + list(APPEND ABSL_TEST_COMMON_LIBRARIES + gtest_main + gtest + gmock + ${CMAKE_THREAD_LIBS_INIT} + ) endif() add_subdirectory(absl) if(ABSL_ENABLE_INSTALL) - # install as a subdirectory only install(EXPORT ${PROJECT_NAME}Targets NAMESPACE absl:: - DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" + DESTINATION "${ABSL_INSTALL_CONFIGDIR}" ) configure_package_config_file( CMake/abslConfig.cmake.in "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" - INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" + INSTALL_DESTINATION "${ABSL_INSTALL_CONFIGDIR}" ) install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" - DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" + DESTINATION "${ABSL_INSTALL_CONFIGDIR}" ) # Abseil only has a version in LTS releases. This mechanism is accomplished @@ -202,16 +143,14 @@ if(ABSL_ENABLE_INSTALL) ) install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake" - DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" + DESTINATION ${ABSL_INSTALL_CONFIGDIR} ) endif() # absl_VERSION install(DIRECTORY absl - DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} + DESTINATION ${ABSL_INSTALL_INCLUDEDIR} FILES_MATCHING PATTERN "*.inc" PATTERN "*.h" - PATTERN "copts" EXCLUDE - PATTERN "testdata" EXCLUDE - ) + ) endif() # ABSL_ENABLE_INSTALL |