diff options
Diffstat (limited to 'third_party/abseil-cpp/CMakeLists.txt')
| -rw-r--r-- | third_party/abseil-cpp/CMakeLists.txt | 59 |
1 files changed, 44 insertions, 15 deletions
diff --git a/third_party/abseil-cpp/CMakeLists.txt b/third_party/abseil-cpp/CMakeLists.txt index e68810e3cf..42bcbe100b 100644 --- a/third_party/abseil-cpp/CMakeLists.txt +++ b/third_party/abseil-cpp/CMakeLists.txt @@ -41,11 +41,16 @@ 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 CXX) +project(absl LANGUAGES CXX) include(CTest) # Output directory is correct by default for most build setups. However, when @@ -67,8 +72,8 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/absl/copts ) -include(AbseilInstallDirs) include(CMakePackageConfigHelpers) +include(GNUInstallDirs) include(AbseilDll) include(AbseilHelpers) @@ -97,9 +102,18 @@ 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) @@ -111,7 +125,15 @@ set(ABSL_LOCAL_GOOGLETEST_DIR "/usr/src/googletest" CACHE PATH if(BUILD_TESTING) ## check targets - if (NOT ABSL_USE_EXTERNAL_GOOGLETEST) + 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") @@ -129,14 +151,22 @@ if(BUILD_TESTING) include(CMake/Googletest/DownloadGTest.cmake) endif() - check_target(gtest) - check_target(gtest_main) - check_target(gmock) + if (NOT ABSL_FIND_GOOGLETEST) + # When Google Test is included directly rather than through find_package, the aliases are missing. + add_library(GTest::gtest_main ALIAS gtest_main) + add_library(GTest::gtest ALIAS gtest) + add_library(GTest::gmock ALIAS gmock) + endif() + + 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 + GTest::gtest_main + GTest::gtest + GTest::gmock ${CMAKE_THREAD_LIBS_INIT} ) endif() @@ -144,7 +174,6 @@ endif() add_subdirectory(absl) if(ABSL_ENABLE_INSTALL) - message(FATAL_ERROR "Please do not install abseil") # absl:lts-remove-begin(system installation is supported for LTS releases) # We don't support system-wide installation list(APPEND SYSTEM_INSTALL_DIRS "/usr/local" "/usr" "/opt/" "/opt/local" "c:/Program Files/${PROJECT_NAME}") @@ -160,16 +189,16 @@ if(ABSL_ENABLE_INSTALL) # install as a subdirectory only install(EXPORT ${PROJECT_NAME}Targets NAMESPACE absl:: - DESTINATION "${ABSL_INSTALL_CONFIGDIR}" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" ) configure_package_config_file( CMake/abslConfig.cmake.in "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" - INSTALL_DESTINATION "${ABSL_INSTALL_CONFIGDIR}" + INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" ) install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" - DESTINATION "${ABSL_INSTALL_CONFIGDIR}" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" ) # Abseil only has a version in LTS releases. This mechanism is accomplished @@ -182,12 +211,12 @@ if(ABSL_ENABLE_INSTALL) ) install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake" - DESTINATION ${ABSL_INSTALL_CONFIGDIR} + DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" ) endif() # absl_VERSION install(DIRECTORY absl - DESTINATION ${ABSL_INSTALL_INCLUDEDIR} + DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} FILES_MATCHING PATTERN "*.inc" PATTERN "*.h" |