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:
6 # http://www.apache.org/licenses/LICENSE-2.0
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.
14 cmake_minimum_required(VERSION 3.10)
16 set(CMAKE_C_COMPILER_NAMES
28 include(CheckCCompilerFlag)
29 include(CheckIPOSupported)
30 include(cmake/misc.cmake)
31 include(cmake/cpu.cmake)
32 include(cmake/ccache.cmake)
34 ##############################################################################
36 ##############################################################################
38 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
39 COMMAND scripts/version
40 OUTPUT_VARIABLE VPP_VERSION
41 OUTPUT_STRIP_TRAILING_WHITESPACE
43 string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
44 list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
46 ##############################################################################
48 ##############################################################################
49 if(CMAKE_CROSSCOMPILING)
51 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
52 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
55 set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
57 ##############################################################################
59 ##############################################################################
60 check_c_compiler_flag("-Wno-address-of-packed-member"
61 compiler_flag_no_address_of_packed_member)
62 set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
63 set(VPP_LIBRARY_DIR "lib" CACHE STRING "Relative library directory path")
65 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
66 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
67 set(VPP_BINARY_DIR ${CMAKE_BINARY_DIR}/CMakeFiles)
70 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
73 if (compiler_flag_no_address_of_packed_member)
74 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
78 list(APPEND BUILD_TYPES "release")
79 string(CONCAT CMAKE_C_FLAGS_RELEASE
82 "-D_FORTIFY_SOURCE=2 "
86 string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
89 list(APPEND BUILD_TYPES "debug")
90 string(CONCAT CMAKE_C_FLAGS_DEBUG
98 list(APPEND BUILD_TYPES "coverity")
99 string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
102 list(APPEND BUILD_TYPES "gcov")
103 string(CONCAT CMAKE_C_FLAGS_GCOV
110 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
113 string(REPLACE ";" " " BUILD_TYPES "${BUILD_TYPES}")
114 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
115 HELPSTRING "Build type - valid options are: ${BUILD_TYPES}")
117 ##############################################################################
118 # link time optimizations
119 ##############################################################################
120 if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
121 check_ipo_supported(RESULT _result)
123 option(VPP_USE_LTO "Link time optimization of release binaries" ON)
127 ##############################################################################
129 ##############################################################################
131 option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
132 set(VPP_SANITIZE_ADDR_OPTIONS
133 "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0"
135 STRING "Address sanitizer arguments"
138 if (VPP_ENABLE_SANITIZE_ADDR)
139 set(CMAKE_C_FLAGS "-fsanitize=address -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
140 set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
141 set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
142 endif (VPP_ENABLE_SANITIZE_ADDR)
144 ##############################################################################
146 ##############################################################################
148 option(VPP_ENABLE_TRAJECTORY_TRACE "Build vpp with trajectory tracing enabled" OFF)
149 if(VPP_ENABLE_TRAJECTORY_TRACE)
150 set(CMAKE_C_FLAGS "-DVLIB_BUFFER_TRACE_TRAJECTORY=1 ${CMAKE_C_FLAGS}")
153 ##############################################################################
155 ##############################################################################
156 option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
158 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
160 set(CMAKE_INSTALL_MESSAGE NEVER)
162 include_directories (
166 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
168 set(THREADS_PREFER_PTHREAD_FLAG ON)
169 find_package(Threads REQUIRED)
171 include(cmake/syscall.cmake)
172 include(cmake/api.cmake)
173 include(cmake/library.cmake)
174 include(cmake/exec.cmake)
175 include(cmake/plugin.cmake)
177 ##############################################################################
178 # subdirs - order matters
179 ##############################################################################
180 option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
181 if(VPP_HOST_TOOLS_ONLY)
182 set(SUBDIRS tools/vppapigen cmake)
183 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
184 find_package(OpenSSL REQUIRED)
186 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
187 vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
190 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
191 set(SUBDIRS vppinfra)
193 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
196 foreach(DIR ${SUBDIRS})
197 add_subdirectory(${DIR} ${VPP_BINARY_DIR}/${DIR})
200 ##############################################################################
201 # detect if we are inside git repo and add configure dependency
202 ##############################################################################
204 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
205 COMMAND git rev-parse --show-toplevel
206 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
207 OUTPUT_STRIP_TRAILING_WHITESPACE
211 if (VPP_GIT_TOPLEVEL_DIR)
213 DIRECTORY APPEND PROPERTY
214 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
218 ##############################################################################
220 ##############################################################################
222 add_custom_target(run
223 COMMAND ./${VPP_RUNTIME_DIR}/vpp -c startup.conf
224 COMMENT "Starting VPP..."
228 add_custom_target(debug
229 COMMAND gdb --args ./${VPP_RUNTIME_DIR}/vpp -c startup.conf
230 COMMENT "Starting VPP in the debugger..."
234 add_custom_target(config
235 COMMAND ccmake ${CMAKE_BINARY_DIR}
236 COMMENT "Starting Configuration TUI..."
240 add_custom_target(compdb
241 COMMAND ninja -C ${CMAKE_BINARY_DIR} -t compdb |
242 ${CMAKE_SOURCE_DIR}/scripts/compdb_cleanup.py >
243 ${CMAKE_BINARY_DIR}/compile_commands.json
244 COMMENT "Generating compile_commands.json"
248 ##############################################################################
249 # print configuration
250 ##############################################################################
251 message(STATUS "Configuration:")
252 pr("VPP version" "${VPP_VERSION}")
253 pr("VPP library version" "${VPP_LIB_VERSION}")
254 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
255 pr("Build type" "${CMAKE_BUILD_TYPE}")
256 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
257 pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
258 pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
259 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
260 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
261 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
262 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")