build: declare some CMake variables as advanced
[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}_enum.h ${f}_types.h ${f}.json)
38     install(
39       FILES
40       ${CMAKE_CURRENT_BINARY_DIR}/${f}.h
41       ${CMAKE_CURRENT_BINARY_DIR}/${f}_enum.h
42       ${CMAKE_CURRENT_BINARY_DIR}/${f}_types.h
43       DESTINATION include/vpp_plugins/${name}/${dir}
44       COMPONENT ${PLUGIN_DEV_COMPONENT}
45     )
46   endforeach()
47   add_library(${plugin_name} SHARED ${api_includes} ${PLUGIN_SOURCES})
48   set_target_properties(${plugin_name} PROPERTIES NO_SONAME 1)
49   target_compile_options(${plugin_name} PRIVATE "-fvisibility=hidden")
50   target_compile_options (${plugin_name} PRIVATE "-ffunction-sections")
51   target_compile_options (${plugin_name} PRIVATE "-fdata-sections")
52   target_link_libraries (${plugin_name} "-Wl,--gc-sections")
53   set(deps "")
54   if(NOT VPP_EXTERNAL_PROJECT)
55     list(APPEND deps vpp_version_h api_headers)
56   endif()
57   if(PLUGIN_API_FILES)
58     list(APPEND deps ${plugin_name}_api_headers)
59   endif()
60   if(deps)
61     add_dependencies(${plugin_name} ${deps})
62   endif()
63   set_target_properties(${plugin_name} PROPERTIES
64     PREFIX ""
65     LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vpp_plugins)
66   if(PLUGIN_MULTIARCH_SOURCES)
67     vpp_library_set_multiarch_sources(${plugin_name} SOURCES ${PLUGIN_MULTIARCH_SOURCES} DEPENDS ${deps})
68   endif()
69   if(PLUGIN_LINK_LIBRARIES)
70     target_link_libraries(${plugin_name} ${PLUGIN_LINK_LIBRARIES})
71   endif()
72   if(PLUGIN_LINK_FLAGS)
73     set_target_properties(${plugin_name} PROPERTIES LINK_FLAGS "${PLUGIN_LINK_FLAGS}")
74   endif()
75   if(PLUGIN_INSTALL_HEADERS)
76     foreach(file ${PLUGIN_INSTALL_HEADERS})
77       get_filename_component(dir ${file} DIRECTORY)
78       install(
79         FILES ${file}
80         DESTINATION include/vpp_plugins/${name}/${dir}
81         COMPONENT vpp-dev
82       )
83     endforeach()
84   endif()
85   if(PLUGIN_API_TEST_SOURCES)
86     set(test_plugin_name ${name}_test_plugin)
87     add_library(${test_plugin_name} SHARED ${PLUGIN_API_TEST_SOURCES}
88                 ${api_includes})
89     set_target_properties(${test_plugin_name} PROPERTIES NO_SONAME 1)
90     if(NOT VPP_EXTERNAL_PROJECT)
91       add_dependencies(${test_plugin_name} api_headers)
92     endif()
93     if(PLUGIN_API_FILES)
94       add_dependencies(${test_plugin_name} ${plugin_name}_api_headers)
95     endif()
96     set_target_properties(${test_plugin_name} PROPERTIES
97       PREFIX ""
98       LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vpp_api_test_plugins)
99     install(
100       TARGETS ${test_plugin_name}
101       DESTINATION ${VPP_LIBRARY_DIR}/vpp_api_test_plugins
102       COMPONENT ${PLUGIN_COMPONENT}
103     )
104   endif()
105   if (PLUGIN_API_FILES)
106     add_vpp_test_library(${name}_test_plugin ${PLUGIN_API_FILES})
107   endif()
108
109   install(
110     TARGETS ${plugin_name}
111     DESTINATION ${VPP_LIBRARY_DIR}/vpp_plugins
112     COMPONENT ${PLUGIN_COMPONENT}
113   )
114 endmacro()
115
116 macro(vpp_plugin_find_library plugin var name)
117   find_library(${var} NAMES ${name} ${ARGN})
118   mark_as_advanced(${var})
119 if (NOT ${var})
120   message(WARNING "-- ${name} library not found - ${plugin} plugin disabled")
121   return()
122 endif()
123     message(STATUS "${plugin} plugin needs ${name} library - found at ${${var}}")
124 endmacro()