diff options
Diffstat (limited to 'libevent/cmake/AddEventLibrary.cmake')
| -rw-r--r-- | libevent/cmake/AddEventLibrary.cmake | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/libevent/cmake/AddEventLibrary.cmake b/libevent/cmake/AddEventLibrary.cmake new file mode 100644 index 0000000..04f5837 --- /dev/null +++ b/libevent/cmake/AddEventLibrary.cmake @@ -0,0 +1,193 @@ +include(CMakeParseArguments) + +set(LIBEVENT_SHARED_LIBRARIES "") +set(LIBEVENT_STATIC_LIBRARIES "") + +macro(set_event_shared_lib_flags LIB_NAME) + set_target_properties("${LIB_NAME}_shared" PROPERTIES + COMPILE_FLAGS ${ARGN}) + set_target_properties("${LIB_NAME}_shared" PROPERTIES + LINK_FLAGS ${ARGN}) +endmacro() + +macro(generate_pkgconfig LIB_NAME) + set(prefix ${CMAKE_INSTALL_PREFIX}) + set(exec_prefix ${CMAKE_INSTALL_PREFIX}) + set(libdir ${CMAKE_INSTALL_PREFIX}/lib) + set(includedir ${CMAKE_INSTALL_PREFIX}/include) + + set(VERSION ${EVENT_ABI_LIBVERSION}) + + set(LIBS "") + foreach (LIB ${LIB_PLATFORM}) + set(LIBS "${LIBS} -L${LIB}") + endforeach() + + set(OPENSSL_LIBS "") + foreach(LIB ${OPENSSL_LIBRARIES}) + set(OPENSSL_LIBS "${OPENSSL_LIBS} -L${LIB}") + endforeach() + + configure_file("lib${LIB_NAME}.pc.in" "lib${LIB_NAME}.pc" @ONLY) + install( + FILES "${CMAKE_CURRENT_BINARY_DIR}/lib${LIB_NAME}.pc" + DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" + ) +endmacro() + +# LIB_NAME maybe event_core, event_extra, event_openssl, event_pthreads or event. +# Targets whose LIB_NAME is not 'event' should be exported and installed. +macro(export_install_target TYPE LIB_NAME OUTER_INCLUDES) + if("${LIB_NAME}" STREQUAL "event") + install(TARGETS "${LIB_NAME}_${TYPE}" + LIBRARY DESTINATION "lib" COMPONENT lib + ARCHIVE DESTINATION "lib" COMPONENT lib + RUNTIME DESTINATION "lib" COMPONENT lib + COMPONENT dev + ) + else() + string(REPLACE "event_" "" PURE_NAME ${LIB_NAME}) + string(TOUPPER ${TYPE} UPPER_TYPE) + list(APPEND LIBEVENT_${UPPER_TYPE}_LIBRARIES "${PURE_NAME}") + set(OUTER_INCS) + if (NOT "${OUTER_INCLUDES}" STREQUAL "NONE") + set(OUTER_INCS ${OUTER_INCLUDES}) + endif() + target_include_directories("${LIB_NAME}_${TYPE}" + PUBLIC "$<INSTALL_INTERFACE:include>" + "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>" + "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>" + ${OUTER_INCS} + ) + set_target_properties("${LIB_NAME}_${TYPE}" PROPERTIES EXPORT_NAME ${PURE_NAME}) + export(TARGETS "${LIB_NAME}_${TYPE}" + NAMESPACE ${PROJECT_NAME}:: + FILE "${PROJECT_BINARY_DIR}/LibeventTargets-${TYPE}.cmake" + APPEND + ) + install(TARGETS "${LIB_NAME}_${TYPE}" + EXPORT LibeventTargets-${TYPE} + LIBRARY DESTINATION "lib" COMPONENT lib + ARCHIVE DESTINATION "lib" COMPONENT lib + RUNTIME DESTINATION "lib" COMPONENT lib + COMPONENT dev + ) + endif() +endmacro() + +# Global variables that it uses: +# - EVENT_ABI_LIBVERSION +# - EVENT_ABI_LIBVERSION_CURRENT +# - EVENT_ABI_LIBVERSION_REVISION +# - EVENT_ABI_LIBVERSION_AGE +# - EVENT_PACKAGE_RELEASE +# - CMAKE_THREAD_LIBS_INIT LIB_PLATFORM +# - OPENSSL_LIBRARIES +# - EVENT_SHARED_FLAGS +# - EVENT_LIBRARY_STATIC +# - EVENT_LIBRARY_SHARED +# +# Exported variables: +# - LIBEVENT_SHARED_LIBRARIES +# - LIBEVENT_STATIC_LIBRARIES +macro(add_event_library LIB_NAME) + cmake_parse_arguments(LIB + "" # Options + "VERSION" # One val + "SOURCES;LIBRARIES;INNER_LIBRARIES;OUTER_INCLUDES" # Multi val + ${ARGN} + ) + + if ("${LIB_OUTER_INCLUDES}" STREQUAL "") + set(LIB_OUTER_INCLUDES NONE) + endif() + set(ADD_EVENT_LIBRARY_INTERFACE) + + if (${EVENT_LIBRARY_STATIC}) + add_library("${LIB_NAME}_static" STATIC ${LIB_SOURCES}) + set_target_properties("${LIB_NAME}_static" PROPERTIES + OUTPUT_NAME "${LIB_NAME}" + CLEAN_DIRECT_OUTPUT 1) + + if(LIB_INNER_LIBRARIES) + set(INNER_LIBRARIES "${LIB_INNER_LIBRARIES}_static") + endif() + target_link_libraries("${LIB_NAME}_static" + ${CMAKE_THREAD_LIBS_INIT} + ${LIB_PLATFORM} + ${INNER_LIBRARIES} + ${LIB_LIBRARIES}) + + export_install_target(static "${LIB_NAME}" "${LIB_OUTER_INCLUDES}") + + set(ADD_EVENT_LIBRARY_INTERFACE "${LIB_NAME}_static") + endif() + + if (${EVENT_LIBRARY_SHARED}) + add_library("${LIB_NAME}_shared" SHARED ${LIB_SOURCES}) + + if(LIB_INNER_LIBRARIES) + set(INNER_LIBRARIES "${LIB_INNER_LIBRARIES}_shared") + endif() + target_link_libraries("${LIB_NAME}_shared" + ${CMAKE_THREAD_LIBS_INIT} + ${LIB_PLATFORM} + ${INNER_LIBRARIES} + ${LIB_LIBRARIES}) + + if (EVENT_SHARED_FLAGS) + set_event_shared_lib_flags("${LIB_NAME}" "${EVENT_SHARED_FLAGS}") + endif() + + if (WIN32) + set_target_properties( + "${LIB_NAME}_shared" PROPERTIES + OUTPUT_NAME "${LIB_NAME}" + SOVERSION ${EVENT_ABI_LIBVERSION}) + elseif (APPLE) + math(EXPR COMPATIBILITY_VERSION "${EVENT_ABI_LIBVERSION_CURRENT}+1") + math(EXPR CURRENT_MINUS_AGE "${EVENT_ABI_LIBVERSION_CURRENT}-${EVENT_ABI_LIBVERSION_AGE}") + set_target_properties( + "${LIB_NAME}_shared" PROPERTIES + OUTPUT_NAME "${LIB_NAME}-${EVENT_PACKAGE_RELEASE}.${CURRENT_MINUS_AGE}" + INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib" + LINK_FLAGS "-compatibility_version ${COMPATIBILITY_VERSION} -current_version ${COMPATIBILITY_VERSION}.${EVENT_ABI_LIBVERSION_REVISION}") + else() + math(EXPR CURRENT_MINUS_AGE "${EVENT_ABI_LIBVERSION_CURRENT}-${EVENT_ABI_LIBVERSION_AGE}") + set_target_properties( + "${LIB_NAME}_shared" PROPERTIES + OUTPUT_NAME "${LIB_NAME}-${EVENT_PACKAGE_RELEASE}" + VERSION "${CURRENT_MINUS_AGE}.${EVENT_ABI_LIBVERSION_AGE}.${EVENT_ABI_LIBVERSION_REVISION}" + SOVERSION "${CURRENT_MINUS_AGE}" + INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib") + endif() + + if (NOT WIN32) + set(LIB_LINK_NAME + "${CMAKE_SHARED_LIBRARY_PREFIX}${LIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}") + + add_custom_command(TARGET ${LIB_NAME}_shared + POST_BUILD + COMMAND ${CMAKE_COMMAND} -E create_symlink + "$<TARGET_FILE_NAME:${LIB_NAME}_shared>" + "${LIB_LINK_NAME}" + WORKING_DIRECTORY "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}") + endif() + + export_install_target(shared "${LIB_NAME}" "${LIB_OUTER_INCLUDES}") + + set(ADD_EVENT_LIBRARY_INTERFACE "${LIB_NAME}_shared") + + if (NOT WIN32) + install(FILES + "$<TARGET_FILE_DIR:${LIB_NAME}_shared>/${LIB_LINK_NAME}" + DESTINATION "lib" + COMPONENT lib) + endif() + endif() + + add_library(${LIB_NAME} INTERFACE) + target_link_libraries(${LIB_NAME} INTERFACE ${ADD_EVENT_LIBRARY_INTERFACE}) + + generate_pkgconfig("${LIB_NAME}") +endmacro() |