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})
69 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
72 if (compiler_flag_no_address_of_packed_member)
73 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
77 list(APPEND BUILD_TYPES "release")
78 string(CONCAT CMAKE_C_FLAGS_RELEASE
81 "-D_FORTIFY_SOURCE=2 "
85 string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
88 list(APPEND BUILD_TYPES "debug")
89 string(CONCAT CMAKE_C_FLAGS_DEBUG
97 list(APPEND BUILD_TYPES "coverity")
98 string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
101 list(APPEND BUILD_TYPES "gcov")
102 string(CONCAT CMAKE_C_FLAGS_GCOV
109 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
112 string(REPLACE ";" " " BUILD_TYPES "${BUILD_TYPES}")
113 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
114 HELPSTRING "Build type - valid options are: ${BUILD_TYPES}")
116 ##############################################################################
117 # link time optimizations
118 ##############################################################################
119 if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
120 check_ipo_supported(RESULT _result)
122 option(VPP_USE_LTO "Link time optimization of release binaries" ON)
126 ##############################################################################
128 ##############################################################################
130 option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
131 set(VPP_SANITIZE_ADDR_OPTIONS
132 "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0"
134 STRING "Address sanitizer arguments"
137 if (VPP_ENABLE_SANITIZE_ADDR)
138 set(CMAKE_C_FLAGS "-fsanitize=address -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
139 set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
140 set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
141 endif (VPP_ENABLE_SANITIZE_ADDR)
143 ##############################################################################
145 ##############################################################################
146 option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
148 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
150 set(CMAKE_INSTALL_MESSAGE NEVER)
152 include_directories (
155 ${CMAKE_BINARY_DIR}/include
157 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
159 set(THREADS_PREFER_PTHREAD_FLAG ON)
160 find_package(Threads REQUIRED)
162 include(cmake/syscall.cmake)
163 include(cmake/api.cmake)
164 include(cmake/library.cmake)
165 include(cmake/exec.cmake)
166 include(cmake/plugin.cmake)
168 ##############################################################################
169 # subdirs - order matters
170 ##############################################################################
171 option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
172 if(VPP_HOST_TOOLS_ONLY)
173 set(SUBDIRS tools/vppapigen cmake)
174 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
175 find_package(OpenSSL REQUIRED)
177 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
178 vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
181 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
182 set(SUBDIRS vppinfra)
184 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
187 foreach(DIR ${SUBDIRS})
188 add_subdirectory(${DIR})
191 ##############################################################################
192 # detect if we are inside git repo and add configure dependency
193 ##############################################################################
195 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
196 COMMAND git rev-parse --show-toplevel
197 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
198 OUTPUT_STRIP_TRAILING_WHITESPACE
202 if (VPP_GIT_TOPLEVEL_DIR)
204 DIRECTORY APPEND PROPERTY
205 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
209 ##############################################################################
210 # print configuration
211 ##############################################################################
212 message(STATUS "Configuration:")
213 pr("VPP version" "${VPP_VERSION}")
214 pr("VPP library version" "${VPP_LIB_VERSION}")
215 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
216 pr("Build type" "${CMAKE_BUILD_TYPE}")
217 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
218 pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
219 pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
220 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
221 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
222 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
223 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")