misc: don't export symbols from plugins
[vpp.git] / src / cmake / plugin.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_plugin name)
15   cmake_parse_arguments(PLUGIN
16     ""
17     "LINK_FLAGS;COMPONENT;DEV_COMPONENT"
18     "SOURCES;API_FILES;MULTIARCH_SOURCES;LINK_LIBRARIES;INSTALL_HEADERS;API_TEST_SOURCES"
19     ${ARGN}
20   )
21   set(plugin_name ${name}_plugin)
22   set(api_includes)
23   if(NOT PLUGIN_COMPONENT)
24     set(PLUGIN_COMPONENT vpp-plugin-core)
25   endif()
26   if(NOT PLUGIN_DEV_COMPONENT)
27     if(NOT VPP_EXTERNAL_PROJECT)
28       set(PLUGIN_DEV_COMPONENT vpp-dev)
29     else()
30       set(PLUGIN_DEV_COMPONENT ${PLUGIN_COMPONENT}-dev)
31     endif()
32   endif()
33
34   vpp_add_api_files(${plugin_name} plugins ${PLUGIN_COMPONENT} ${PLUGIN_API_FILES})
35   foreach(f ${PLUGIN_API_FILES})
36     get_filename_component(dir ${f} DIRECTORY)
37     list(APPEND api_includes ${f}.h ${f}.json)
38     install(
39       FILES ${CMAKE_CURRENT_BINARY_DIR}/${f}.h
40       ${CMAKE_CURRENT_BINARY_DIR}/${f}_enum.h
41       ${CMAKE_CURRENT_BINARY_DIR}/${f}_types.h
42       DESTINATION include/vpp_plugins/${name}/${dir}
43       COMPONENT ${PLUGIN_DEV_COMPONENT}
44     )
45   endforeach()
46   add_library(${plugin_name} SHARED ${PLUGIN_SOURCES} ${api_includes})
47   set_target_properties(${plugin_name} PROPERTIES NO_SONAME 1)
48   target_compile_options(${plugin_name} PRIVATE "-fvisibility=hidden")
49   set(deps "")
50   if(PLUGIN_API_FILES)
51     list(APPEND deps ${plugin_name}_api_headers)
52   endif()
53   if(NOT VPP_EXTERNAL_PROJECT)
54     list(APPEND deps vpp_version_h api_headers)
55   endif()
56   add_dependencies(${plugin_name} ${deps})
57   set_target_properties(${plugin_name} PROPERTIES
58     PREFIX ""
59     LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vpp_plugins)
60   if(PLUGIN_MULTIARCH_SOURCES)
61     vpp_library_set_multiarch_sources(${plugin_name} "${deps}" ${PLUGIN_MULTIARCH_SOURCES})
62   endif()
63   if(PLUGIN_LINK_LIBRARIES)
64     target_link_libraries(${plugin_name} ${PLUGIN_LINK_LIBRARIES})
65   endif()
66   if(PLUGIN_LINK_FLAGS)
67     set_target_properties(${plugin_name} PROPERTIES LINK_FLAGS "${PLUGIN_LINK_FLAGS}")
68   endif()
69   if(PLUGIN_INSTALL_HEADERS)
70     foreach(file ${PLUGIN_INSTALL_HEADERS})
71       get_filename_component(dir ${file} DIRECTORY)
72       install(
73         FILES ${file}
74         DESTINATION include/vpp_plugins/${name}/${dir}
75         COMPONENT vpp-dev
76       )
77     endforeach()
78   endif()
79   if(PLUGIN_API_TEST_SOURCES)
80     set(test_plugin_name ${name}_test_plugin)
81     add_library(${test_plugin_name} SHARED ${PLUGIN_API_TEST_SOURCES}
82                 ${api_includes})
83     set_target_properties(${test_plugin_name} PROPERTIES NO_SONAME 1)
84     if(PLUGIN_API_FILES)
85       add_dependencies(${test_plugin_name} ${plugin_name}_api_headers)
86     endif()
87     if(NOT VPP_EXTERNAL_PROJECT)
88       add_dependencies(${test_plugin_name} api_headers)
89     endif()
90     set_target_properties(${test_plugin_name} PROPERTIES
91       PREFIX ""
92       LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vpp_api_test_plugins)
93     install(
94       TARGETS ${test_plugin_name}
95       DESTINATION ${VPP_LIBRARY_DIR}/vpp_api_test_plugins
96       COMPONENT ${PLUGIN_COMPONENT}
97     )
98   endif()
99   install(
100     TARGETS ${plugin_name}
101     DESTINATION ${VPP_LIBRARY_DIR}/vpp_plugins
102     COMPONENT ${PLUGIN_COMPONENT}
103   )
104 endmacro()
105
106 macro(vpp_plugin_find_library plugin var name)
107   find_library(${var} NAMES ${name} ${ARGN})
108 if (NOT ${var})
109   message(WARNING "-- ${name} library not found - ${plugin} plugin disabled")
110   return()
111 endif()
112     message(STATUS "${plugin} plugin needs ${name} library - found at ${${var}}")
113 endmacro()