cmake/AddEventLibrary.cmake

   1 include(CMakeParseArguments)
   2
   3 set(LIBEVENT_SHARED_LIBRARIES "")
   4 set(LIBEVENT_STATIC_LIBRARIES "")
   5
   6 macro(set_event_shared_lib_flags LIB_NAME)
   7     set_target_properties("${LIB_NAME}_shared" PROPERTIES
   8         COMPILE_FLAGS ${ARGN})
   9     set_target_properties("${LIB_NAME}_shared" PROPERTIES
  10         LINK_FLAGS ${ARGN})
  11 endmacro()
  12
  13 macro(generate_pkgconfig LIB_NAME)
  14     set(prefix      ${CMAKE_INSTALL_PREFIX})
  15     set(exec_prefix ${CMAKE_INSTALL_PREFIX})
  16     set(libdir      ${CMAKE_INSTALL_PREFIX}/lib)
  17     set(includedir  ${CMAKE_INSTALL_PREFIX}/include)
  18
  19     set(VERSION ${EVENT_ABI_LIBVERSION})
  20
  21     set(LIBS         "")
  22     foreach (LIB ${LIB_PLATFORM})
  23         set(LIBS "${LIBS} -L${LIB}")
  24     endforeach()
  25
  26     set(OPENSSL_LIBS "")
  27     foreach(LIB ${OPENSSL_LIBRARIES})
  28         set(OPENSSL_LIBS "${OPENSSL_LIBS} -L${LIB}")
  29     endforeach()
  30
  31     configure_file("lib${LIB_NAME}.pc.in" "lib${LIB_NAME}.pc" @ONLY)
  32     install(
  33         FILES "${CMAKE_CURRENT_BINARY_DIR}/lib${LIB_NAME}.pc"
  34         DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig"
  35     )
  36 endmacro()
  37
  38
  39 # Global variables that it uses:
  40 # - EVENT_ABI_LIBVERSION
  41 # - CMAKE_THREAD_LIBS_INIT LIB_PLATFORM
  42 # - OPENSSL_LIBRARIES
  43 # - HDR_PUBLIC
  44 # - EVENT_INSTALL_INCLUDE_DIR
  45 # - EVENT_SHARED_FLAGS
  46 # - EVENT_LIBRARY_STATIC
  47 # - EVENT_LIBRARY_SHARED
  48 #
  49 # Exported variables:
  50 # - LIBEVENT_SHARED_LIBRARIES
  51 # - LIBEVENT_STATIC_LIBRARIES
  52 macro(add_event_library LIB_NAME)
  53     cmake_parse_arguments(LIB
  54         "" # Options
  55         "VERSION" # One val
  56         "SOURCES;LIBRARIES" # Multi val
  57         ${ARGN}
  58     )
  59
  60     set(ADD_EVENT_LIBRARY_TARGETS)
  61     set(ADD_EVENT_LIBRARY_INTERFACE)
  62
  63     if (${EVENT_LIBRARY_STATIC})
  64         add_library("${LIB_NAME}_static" STATIC ${LIB_SOURCES})
  65         set_target_properties("${LIB_NAME}_static" PROPERTIES
  66             OUTPUT_NAME "${LIB_NAME}"
  67             CLEAN_DIRECT_OUTPUT 1)
  68         set_target_properties(
  69             "${LIB_NAME}_static" PROPERTIES
  70             PUBLIC_HEADER "${HDR_PUBLIC}")
  71
  72         list(APPEND LIBEVENT_STATIC_LIBRARIES "${LIB_NAME}_static")
  73         list(APPEND ADD_EVENT_LIBRARY_TARGETS "${LIB_NAME}_static")
  74
  75         set(ADD_EVENT_LIBRARY_INTERFACE "${LIB_NAME}_static")
  76     endif()
  77
  78     if (${EVENT_LIBRARY_SHARED})
  79         add_library("${LIB_NAME}_shared" SHARED ${LIB_SOURCES})
  80
  81         target_link_libraries("${LIB_NAME}_shared"
  82             ${CMAKE_THREAD_LIBS_INIT}
  83             ${LIB_PLATFORM}
  84             ${LIB_LIBRARIES})
  85
  86         if (EVENT_SHARED_FLAGS)
  87             set_event_shared_lib_flags("${LIB_NAME}" "${EVENT_SHARED_FLAGS}")
  88         endif()
  89
  90         set_target_properties("${LIB_NAME}_shared" PROPERTIES
  91             OUTPUT_NAME "${LIB_NAME}"
  92             CLEAN_DIRECT_OUTPUT 1)
  93         set_target_properties(
  94             "${LIB_NAME}_shared" PROPERTIES
  95             PUBLIC_HEADER "${HDR_PUBLIC}")
  96         set_target_properties(
  97             "${LIB_NAME}_shared" PROPERTIES
  98             SOVERSION ${EVENT_ABI_LIBVERSION}
  99         )
 100
 101         list(APPEND LIBEVENT_SHARED_LIBRARIES "${LIB_NAME}_shared")
 102         list(APPEND ADD_EVENT_LIBRARY_TARGETS "${LIB_NAME}_shared")
 103
 104         set(ADD_EVENT_LIBRARY_INTERFACE "${LIB_NAME}_shared")
 105     endif()
 106
 107     export(TARGETS ${ADD_EVENT_LIBRARY_TARGETS}
 108        FILE "${PROJECT_BINARY_DIR}/LibeventTargets.cmake"
 109        APPEND
 110     )
 111
 112     install(TARGETS ${ADD_EVENT_LIBRARY_TARGETS}
 113         EXPORT LibeventTargets
 114         LIBRARY DESTINATION "lib" COMPONENT lib
 115         ARCHIVE DESTINATION "lib" COMPONENT lib
 116         RUNTIME DESTINATION "lib" COMPONENT lib
 117         PUBLIC_HEADER DESTINATION "include/event2"
 118         COMPONENT dev
 119     )
 120
 121     add_library(${LIB_NAME} INTERFACE)
 122     target_link_libraries(${LIB_NAME} INTERFACE ${ADD_EVENT_LIBRARY_INTERFACE})
 123
 124     generate_pkgconfig("${LIB_NAME}")
 125 endmacro()