src/cmake/library.cmake

   1 # Copyright (c) 2018 Cisco and/or its affiliates.
   2 # Licensed under the Apache License, Version 2.0 (the "License");
   3 # you may not use this file except in compliance with the License.
   4 # You may obtain a copy of the License at:
   5 #
   6 #     http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS,
  10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11 # See the License for the specific language governing permissions and
  12 # limitations under the License.
  13
  14 macro(add_vpp_library lib)
  15   cmake_parse_arguments(ARG
  16     "LTO"
  17     "COMPONENT"
  18     "SOURCES;MULTIARCH_SOURCES;API_FILES;LINK_LIBRARIES;INSTALL_HEADERS;DEPENDS"
  19     ${ARGN}
  20   )
  21
  22   set (lo ${lib}_objs)
  23   add_library(${lo} OBJECT ${ARG_SOURCES})
  24   set_target_properties(${lo} PROPERTIES POSITION_INDEPENDENT_CODE ON)
  25   target_compile_options(${lo} PUBLIC ${VPP_DEFAULT_MARCH_FLAGS})
  26
  27   add_library(${lib} SHARED)
  28   target_sources(${lib} PRIVATE $<TARGET_OBJECTS:${lo}>)
  29
  30   if(VPP_LIB_VERSION)
  31     set_target_properties(${lib} PROPERTIES SOVERSION ${VPP_LIB_VERSION})
  32   endif()
  33
  34   # library deps
  35   if(ARG_LINK_LIBRARIES)
  36     target_link_libraries(${lib} ${ARG_LINK_LIBRARIES})
  37   endif()
  38   # install .so
  39   if(NOT ARG_COMPONENT)
  40     set(ARG_COMPONENT vpp)
  41   endif()
  42   install(
  43     TARGETS ${lib}
  44     DESTINATION ${VPP_LIBRARY_DIR}
  45     COMPONENT ${ARG_COMPONENT}
  46   )
  47
  48   if (ARG_LTO AND VPP_USE_LTO)
  49      set_property(TARGET ${lo} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
  50      set_property(TARGET ${lib} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
  51      target_compile_options (${lib} PRIVATE "-ffunction-sections")
  52      target_compile_options (${lib} PRIVATE "-fdata-sections")
  53      target_link_libraries (${lib} "-Wl,--gc-sections")
  54   endif()
  55
  56   if(ARG_MULTIARCH_SOURCES)
  57     vpp_library_set_multiarch_sources(${lib} DEPENDS ${ARG_DEPENDS} SOURCES ${ARG_MULTIARCH_SOURCES})
  58   endif()
  59
  60   if(ARG_API_FILES)
  61     vpp_add_api_files(${lib} core vpp ${ARG_API_FILES})
  62     foreach(file ${ARG_API_FILES})
  63       get_filename_component(dir ${file} DIRECTORY)
  64       install(
  65         FILES ${file} ${CMAKE_CURRENT_BINARY_DIR}/${file}.h
  66         ${CMAKE_CURRENT_BINARY_DIR}/${file}_enum.h
  67         ${CMAKE_CURRENT_BINARY_DIR}/${file}_types.h
  68         ${CMAKE_CURRENT_BINARY_DIR}/${file}_tojson.h
  69         ${CMAKE_CURRENT_BINARY_DIR}/${file}_fromjson.h
  70         DESTINATION include/${lib}/${dir}
  71         COMPONENT vpp-dev
  72       )
  73     endforeach()
  74   endif()
  75
  76   if(NOT VPP_EXTERNAL_PROJECT)
  77     add_dependencies(${lo} api_headers)
  78   endif()
  79
  80   if(ARG_DEPENDS)
  81     add_dependencies(${lo} ${ARG_DEPENDS})
  82   endif()
  83
  84   # install headers
  85   if(ARG_INSTALL_HEADERS)
  86     foreach(file ${ARG_INSTALL_HEADERS})
  87       get_filename_component(dir ${file} DIRECTORY)
  88       install(
  89         FILES ${file}
  90         DESTINATION include/${lib}/${dir}
  91         COMPONENT ${ARG_COMPONENT}-dev
  92       )
  93     endforeach()
  94   endif()
  95 endmacro()
  96
  97 ##############################################################################
  98 # header files
  99 ##############################################################################
 100 function (add_vpp_headers path)
 101   foreach(file ${ARGN})
 102     get_filename_component(dir ${file} DIRECTORY)
 103     install(
 104       FILES ${file}
 105       DESTINATION include/${path}/${dir}
 106       COMPONENT vpp-dev
 107     )
 108   endforeach()
 109 endfunction()
 110
 111 macro(add_vat_test_library lib)
 112   cmake_parse_arguments(TEST
 113     ""
 114     ""
 115     ${ARGN}
 116   )
 117
 118   foreach(file ${ARGN})
 119     get_filename_component(name ${file} NAME_WE)
 120     set(test_lib ${lib}_${name}_plugin)
 121     add_library(${test_lib} SHARED ${file})
 122     target_compile_options(${test_lib} PUBLIC ${VPP_DEFAULT_MARCH_FLAGS})
 123     if(NOT VPP_EXTERNAL_PROJECT)
 124       add_dependencies(${test_lib} api_headers)
 125     endif()
 126     include_directories(${CMAKE_CURRENT_BINARY_DIR})
 127     set_target_properties(${test_lib} PROPERTIES NO_SONAME 1)
 128     set_target_properties(${test_lib} PROPERTIES
 129       PREFIX ""
 130       LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vpp_api_test_plugins)
 131
 132     # install .so
 133     install(
 134       TARGETS ${test_lib}
 135       DESTINATION ${VPP_LIBRARY_DIR}/vpp_api_test_plugins
 136       COMPONENT ${ARG_COMPONENT}
 137     )
 138   endforeach()
 139 endmacro()
 140
 141 macro(add_vpp_test_library lib)
 142   cmake_parse_arguments(TEST
 143     ""
 144     ""
 145     ${ARGN}
 146   )
 147
 148   foreach(file ${ARGN})
 149     get_filename_component(name ${file} NAME_WE)
 150     set(test_lib ${lib}_${name}_plugin)
 151     add_library(${test_lib} SHARED ${file}_test2.c)
 152     target_compile_options(${test_lib} PUBLIC ${VPP_DEFAULT_MARCH_FLAGS})
 153     if(NOT VPP_EXTERNAL_PROJECT)
 154       add_dependencies(${test_lib} api_headers)
 155     endif()
 156     include_directories(${CMAKE_CURRENT_BINARY_DIR})
 157     set_target_properties(${test_lib} PROPERTIES NO_SONAME 1)
 158     set_target_properties(${test_lib} PROPERTIES
 159       PREFIX ""
 160       LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vat2_plugins)
 161
 162     # install .so
 163     install(
 164       TARGETS ${test_lib}
 165       DESTINATION ${VPP_LIBRARY_DIR}/vat2_plugins
 166       COMPONENT ${ARG_COMPONENT}
 167     )
 168   endforeach()
 169 endmacro()
 170
 171 macro(vpp_find_library var)
 172   find_library(${var} ${ARGN})
 173   mark_as_advanced(${var})
 174 endmacro()
 175 macro(vpp_find_path var)
 176   find_path(${var} ${ARGN})
 177   mark_as_advanced(${var})
 178 endmacro()