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 3.13)
16 set(CMAKE_C_COMPILER_NAMES
29 if(NOT DEFINED CMAKE_INSTALL_LIBDIR AND EXISTS "/etc/debian_version")
30 set(CMAKE_INSTALL_LIBDIR "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
33 include(CheckCCompilerFlag)
34 include(CheckIPOSupported)
35 include(GNUInstallDirs)
36 include(cmake/misc.cmake)
37 include(cmake/cpu.cmake)
38 include(cmake/ccache.cmake)
40 ##############################################################################
42 ##############################################################################
44 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
45 COMMAND scripts/version
46 OUTPUT_VARIABLE VPP_VERSION
47 OUTPUT_STRIP_TRAILING_WHITESPACE
49 string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
50 list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
52 ##############################################################################
54 ##############################################################################
55 if(CMAKE_CROSSCOMPILING)
57 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
58 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
61 set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
63 ##############################################################################
65 ##############################################################################
66 check_c_compiler_flag("-Wno-address-of-packed-member"
67 compiler_flag_no_address_of_packed_member)
68 set(VPP_RUNTIME_DIR ${CMAKE_INSTALL_BINDIR} CACHE STRING "Relative runtime directory path")
69 set(VPP_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING "Relative library directory path")
71 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
72 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
73 set(VPP_BINARY_DIR ${CMAKE_BINARY_DIR}/CMakeFiles)
74 set(PYENV PYTHONPYCACHEPREFIX=${CMAKE_BINARY_DIR}/CMakeFiles/__pycache__)
77 add_compile_options(-g -Werror -Wall)
80 if (compiler_flag_no_address_of_packed_member)
81 add_compile_options(-Wno-address-of-packed-member)
84 string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LC)
85 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
87 set(CMAKE_C_FLAGS_RELEASE "")
88 set(CMAKE_C_FLAGS_DEBUG "")
90 if (${CMAKE_BUILD_TYPE_LC} MATCHES "release")
91 add_compile_options(-O3 -fstack-protector -fno-common)
92 add_compile_definitions(_FORTIFY_SOURCE=2)
93 elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "debug")
94 add_compile_options(-O0 -fstack-protector -fno-common)
95 add_compile_definitions(CLIB_DEBUG)
96 elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "coverity")
97 add_compile_options(-O0)
98 add_compile_definitions(__COVERITY__)
99 elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "gcov")
100 add_compile_options(-O0 -fprofile-arcs -ftest-coverage)
101 add_compile_definitions(CLIB_DEBUG CLIB_GCOV)
104 set(BUILD_TYPES release debug coverity gcov)
105 string(REPLACE ";" " " BUILD_TYPES_STR "${BUILD_TYPES}")
106 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
107 HELPSTRING "Build type - valid options are: ${BUILD_TYPES_STR}")
109 ##############################################################################
110 # link time optimizations
111 ##############################################################################
112 if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
113 check_ipo_supported(RESULT _result)
115 option(VPP_USE_LTO "Link time optimization of release binaries" ON)
120 check_c_compiler_flag("-Wno-stringop-overflow"
121 compiler_flag_no_stringop_overflow)
123 ##############################################################################
125 ##############################################################################
127 option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
128 set(VPP_SANITIZE_ADDR_OPTIONS
129 "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0"
131 STRING "Address sanitizer arguments"
134 if (VPP_ENABLE_SANITIZE_ADDR)
135 add_compile_options(-fsanitize=address)
136 add_compile_definitions(CLIB_SANITIZE_ADDR)
137 add_link_options(-fsanitize=address)
138 endif (VPP_ENABLE_SANITIZE_ADDR)
140 ##############################################################################
142 ##############################################################################
144 option(VPP_ENABLE_TRAJECTORY_TRACE "Build vpp with trajectory tracing enabled" OFF)
145 if(VPP_ENABLE_TRAJECTORY_TRACE)
146 add_compile_definitions(VLIB_BUFFER_TRACE_TRAJECTORY=1)
149 ##############################################################################
150 # unittest with clang ode coverage
151 ##############################################################################
153 if("${CMAKE_VERSION}" VERSION_GREATER_EQUAL "3.13" AND "${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
154 option(VPP_BUILD_TESTS_WITH_COVERAGE "Build unit tests with code coverage" OFF)
157 ##############################################################################
159 ##############################################################################
160 option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
162 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${VPP_LIBRARY_DIR}")
164 set(CMAKE_INSTALL_MESSAGE NEVER)
166 include_directories (
170 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
172 set(THREADS_PREFER_PTHREAD_FLAG ON)
173 find_package(Threads REQUIRED)
175 include(cmake/syscall.cmake)
176 include(cmake/api.cmake)
177 include(cmake/library.cmake)
178 include(cmake/exec.cmake)
179 include(cmake/plugin.cmake)
181 ##############################################################################
182 # subdirs - order matters
183 ##############################################################################
184 option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
185 if(VPP_HOST_TOOLS_ONLY)
186 set(SUBDIRS tools/vppapigen cmake)
187 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
188 find_package(OpenSSL)
190 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl vpp-api
191 plugins tools/vppapigen tools/g2 tools/perftool cmake pkg
194 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
195 set(SUBDIRS vppinfra)
197 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
200 foreach(DIR ${SUBDIRS})
201 add_subdirectory(${DIR} ${VPP_BINARY_DIR}/${DIR})
204 ##############################################################################
205 # detect if we are inside git repo and add configure dependency
206 ##############################################################################
208 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
209 COMMAND git rev-parse --show-toplevel
210 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
211 OUTPUT_STRIP_TRAILING_WHITESPACE
215 if (VPP_GIT_TOPLEVEL_DIR)
217 DIRECTORY APPEND PROPERTY
218 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
222 ##############################################################################
224 ##############################################################################
226 add_custom_target(run
227 COMMAND ./${VPP_RUNTIME_DIR}/vpp -c startup.conf
228 COMMENT "Starting VPP..."
232 add_custom_target(debug
233 COMMAND gdb --args ./${VPP_RUNTIME_DIR}/vpp -c startup.conf
234 COMMENT "Starting VPP in the debugger..."
238 add_custom_target(config
239 COMMAND ccmake ${CMAKE_BINARY_DIR}
240 COMMENT "Starting Configuration TUI..."
244 foreach(bt ${BUILD_TYPES})
245 add_custom_target(set-build-type-${bt}
246 COMMAND cmake -DCMAKE_BUILD_TYPE:STRING=${bt} .
247 COMMENT "Changing build type to ${bt}"
252 mark_as_advanced(CLEAR
255 CMAKE_EXPORT_COMPILE_COMMANDS
258 CMAKE_SHARED_LINKER_FLAGS
259 CMAKE_VERBOSE_MAKEFILE
262 ##############################################################################
263 # print configuration
264 ##############################################################################
265 message(STATUS "Configuration:")
266 pr("VPP version" ${VPP_VERSION})
267 pr("VPP library version" ${VPP_LIB_VERSION})
268 pr("GIT toplevel dir" ${VPP_GIT_TOPLEVEL_DIR})
269 pr("Build type" ${CMAKE_BUILD_TYPE})
270 pr("C compiler" ${CMAKE_C_COMPILER})
271 pr("C flags" ${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}})
272 pr("Linker flags (apps)" ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}})
273 pr("Linker flags (libs)" ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}})
274 pr("Host processor" ${CMAKE_HOST_SYSTEM_PROCESSOR})
275 pr("Target processor" ${CMAKE_SYSTEM_PROCESSOR})
276 pr("Prefix path" ${CMAKE_PREFIX_PATH})
277 pr("Install prefix" ${CMAKE_INSTALL_PREFIX})
278 pr("Library dir" ${VPP_LIBRARY_DIR})