diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index f0af6f66..3a73f707 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -41,7 +41,12 @@ if (POLICY CMP0077) cmake_policy(SET CMP0077 NEW) endif (POLICY CMP0077) -project(absl CXX) +# 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 20210324) +include(CTest) # 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 @@ -51,7 +56,7 @@ 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}$") +if(NOT CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR) option(ABSL_ENABLE_INSTALL "Enable install rule" OFF) else() option(ABSL_ENABLE_INSTALL "Enable install rule" ON) @@ -62,8 +67,8 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/absl/copts ) -include(AbseilInstallDirs) include(CMakePackageConfigHelpers) +include(GNUInstallDirs) include(AbseilDll) include(AbseilHelpers) @@ -95,25 +100,28 @@ find_package(Threads REQUIRED) option(ABSL_USE_EXTERNAL_GOOGLETEST "If ON, Abseil will assume that the targets for GoogleTest are already provided by the including project. This makes sense when Abseil is used with add_subproject." OFF) - option(ABSL_USE_GOOGLETEST_HEAD - "If ON, abseil will download HEAD from googletest at config time." OFF) + "If ON, abseil will download HEAD from GoogleTest at config time." OFF) + +set(ABSL_GOOGLETEST_DOWNLOAD_URL "" CACHE STRING "If set, download GoogleTest from this URL") set(ABSL_LOCAL_GOOGLETEST_DIR "/usr/src/googletest" CACHE PATH - "If ABSL_USE_GOOGLETEST_HEAD is OFF, specifies the directory of a local googletest checkout." + "If ABSL_USE_GOOGLETEST_HEAD is OFF and ABSL_GOOGLETEST_URL is not set, specifies the directory of a local GoogleTest checkout." ) -option(ABSL_RUN_TESTS "If ON, Abseil tests will be run." OFF) - -if(${ABSL_RUN_TESTS}) - # enable CTest. This will set BUILD_TESTING to ON unless otherwise specified - # on the command line - include(CTest) - +if(BUILD_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}) @@ -136,20 +144,21 @@ endif() add_subdirectory(absl) 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 @@ -162,12 +171,12 @@ 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" |