diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 922a038..657a1f4 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -14,9 +14,9 @@ ## ## When this project is a subproject (GFLAGS_IS_SUBPROJECT is TRUE), the default ## settings are such that only the static single-threaded library is built without -## installation of the gflags files. The "gflags" target is in this case an ALIAS +## installation of the gflags files. The "gflags::gflags" target is in this case an ALIAS ## library target for the "gflags_nothreads_static" library target. Targets which -## depend on the gflags library should link to the "gflags" library target. +## depend on the gflags library should link to the "gflags::gflags" library target. ## ## Example CMakeLists.txt of user project which requires separate gflags installation: ## cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR) @@ -26,7 +26,7 @@ ## find_package(gflags REQUIRED) ## ## add_executable(foo src/foo.cc) -## target_link_libraries(foo gflags) +## target_link_libraries(foo gflags::gflags) ## ## Example CMakeLists.txt of user project which requires separate single-threaded static gflags installation: ## cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR) @@ -36,7 +36,7 @@ ## find_package(gflags COMPONENTS nothreads_static) ## ## add_executable(foo src/foo.cc) -## target_link_libraries(foo gflags) +## target_link_libraries(foo gflags::gflags) ## ## Example CMakeLists.txt of super-project which contains gflags source tree: ## cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR) @@ -46,7 +46,7 @@ ## add_subdirectory(gflags) ## ## add_executable(foo src/foo.cc) -## target_link_libraries(foo gflags) +## target_link_libraries(foo gflags::gflags) ## ## Variables to configure the source files: ## - GFLAGS_IS_A_DLL @@ -70,12 +70,16 @@ ## - GFLAGS_INSTALL_SHARED_LIBS ## - GFLAGS_INSTALL_STATIC_LIBS -cmake_minimum_required (VERSION 2.8.12 FATAL_ERROR) +cmake_minimum_required (VERSION 3.0.2 FATAL_ERROR) if (POLICY CMP0042) cmake_policy (SET CMP0042 NEW) endif () +if (POLICY CMP0048) + cmake_policy (SET CMP0048 NEW) +endif () + # ---------------------------------------------------------------------------- # includes include ("${CMAKE_CURRENT_SOURCE_DIR}/cmake/utils.cmake") @@ -83,14 +87,14 @@ include ("${CMAKE_CURRENT_SOURCE_DIR}/cmake/utils.cmake") # ---------------------------------------------------------------------------- # package information set (PACKAGE_NAME "gflags") -set (PACKAGE_VERSION "2.2.1") +set (PACKAGE_VERSION "2.2.2") set (PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") set (PACKAGE_TARNAME "${PACKAGE_NAME}-${PACKAGE_VERSION}") set (PACKAGE_BUGREPORT "https://github.com/gflags/gflags/issues") set (PACKAGE_DESCRIPTION "A commandline flags library that allows for distributed flags.") set (PACKAGE_URL "http://gflags.github.io/gflags") -project (${PACKAGE_NAME} CXX) +project (${PACKAGE_NAME} VERSION ${PACKAGE_VERSION} LANGUAGES CXX) if (CMAKE_VERSION VERSION_LESS 3.4) # C language still needed because the following required CMake modules # (or their dependencies, respectively) are not correctly handling @@ -403,6 +407,9 @@ if (NOT GFLAGS_IS_SUBPROJECT) set (CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib") set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY "lib") endif () +# Set postfixes for generated libraries based on buildtype. +set(CMAKE_RELEASE_POSTFIX "") +set(CMAKE_DEBUG_POSTFIX "_debug") # ---------------------------------------------------------------------------- # installation directories @@ -491,11 +498,15 @@ if (GFLAGS_IS_SUBPROJECT) foreach (type IN ITEMS static shared) foreach (opts IN ITEMS "_nothreads" "") if (TARGET gflags${opts}_${type}) + # Define "gflags" alias for super-projects treating targets of this library as part of their own project + # (also for backwards compatibility with gflags 2.2.1 which only defined this alias) add_library (gflags ALIAS gflags${opts}_${type}) + # Define "gflags::gflags" alias for projects that support both find_package(gflags) and add_subdirectory(gflags) + add_library (gflags::gflags ALIAS gflags${opts}_${type}) break () endif () endforeach () - if (TARGET gflags) + if (TARGET gflags::gflags) break () endif () endforeach () @@ -515,7 +526,8 @@ if (BUILD_SHARED_LIBS AND INSTALL_SHARED_LIBS) EXPORT ${EXPORT_NAME} RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR} LIBRARY DESTINATION ${LIBRARY_INSTALL_DIR} - ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR}) + ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR} + ) endif () endforeach () endif () @@ -526,7 +538,8 @@ if (BUILD_STATIC_LIBS AND INSTALL_STATIC_LIBS) EXPORT ${EXPORT_NAME} RUNTIME DESTINATION ${RUNTIME_INSTALL_DIR} LIBRARY DESTINATION ${LIBRARY_INSTALL_DIR} - ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR}) + ARCHIVE DESTINATION ${LIBRARY_INSTALL_DIR} + ) endif () endforeach () endif () @@ -542,7 +555,16 @@ if (INSTALL_HEADERS) FILES "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake" DESTINATION ${CONFIG_INSTALL_DIR} ) - install (EXPORT ${EXPORT_NAME} DESTINATION ${CONFIG_INSTALL_DIR}) + install ( + EXPORT ${EXPORT_NAME} + NAMESPACE ${PACKAGE_NAME}:: + DESTINATION ${CONFIG_INSTALL_DIR} + ) + install ( + EXPORT ${EXPORT_NAME} + FILE ${PACKAGE_NAME}-nonamespace-targets.cmake + DESTINATION ${CONFIG_INSTALL_DIR} + ) if (UNIX) install (PROGRAMS src/gflags_completions.sh DESTINATION ${RUNTIME_INSTALL_DIR}) endif () @@ -556,7 +578,15 @@ endif () # ---------------------------------------------------------------------------- # support direct use of build tree set (INSTALL_PREFIX_REL2CONFIG_DIR .) -export (TARGETS ${TARGETS} FILE "${PROJECT_BINARY_DIR}/${EXPORT_NAME}.cmake") +export ( + TARGETS ${TARGETS} + NAMESPACE ${PACKAGE_NAME}:: + FILE "${PROJECT_BINARY_DIR}/${EXPORT_NAME}.cmake" +) +export ( + TARGETS ${TARGETS} + FILE "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-nonamespace-targets.cmake" +) if (REGISTER_BUILD_DIR) export (PACKAGE ${PACKAGE_NAME}) endif () @@ -569,7 +599,6 @@ configure_file (cmake/config.cmake.in "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-con # testing - MUST follow the generation of the build tree config file if (BUILD_TESTING) include (CTest) - enable_testing () add_subdirectory (test) endif () @@ -589,7 +618,8 @@ if (BUILD_PACKAGING) "\n BUILD_STATIC_LIBS=ON" "\n INSTALL_HEADERS=ON" "\n INSTALL_SHARED_LIBS=ON" - "\n INSTALL_STATIC_LIBS=ON") + "\n INSTALL_STATIC_LIBS=ON" + ) endif () # default package generators |