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 clang-11 clang-10 clang-9 gcc-10 gcc-9 cc)
20 include(CheckCCompilerFlag)
21 include(CheckIPOSupported)
22 include(cmake/misc.cmake)
23 include(cmake/cpu.cmake)
24 include(cmake/ccache.cmake)
26 ##############################################################################
28 ##############################################################################
30 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
31 COMMAND scripts/version
32 OUTPUT_VARIABLE VPP_VERSION
33 OUTPUT_STRIP_TRAILING_WHITESPACE
35 string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
36 list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
38 ##############################################################################
40 ##############################################################################
41 if(CMAKE_CROSSCOMPILING)
43 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
44 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
47 set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
49 ##############################################################################
51 ##############################################################################
52 check_c_compiler_flag("-Wno-address-of-packed-member"
53 compiler_flag_no_address_of_packed_member)
54 set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
55 set(VPP_LIBRARY_DIR "lib" CACHE STRING "Relative library directory path")
57 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
58 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
61 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
64 if (compiler_flag_no_address_of_packed_member)
65 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
69 list(APPEND BUILD_TYPES "release")
70 string(CONCAT CMAKE_C_FLAGS_RELEASE
73 "-D_FORTIFY_SOURCE=2 "
77 string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
80 list(APPEND BUILD_TYPES "debug")
81 string(CONCAT CMAKE_C_FLAGS_DEBUG
89 list(APPEND BUILD_TYPES "coverity")
90 string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
93 list(APPEND BUILD_TYPES "gcov")
94 string(CONCAT CMAKE_C_FLAGS_GCOV
101 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
104 string(REPLACE ";" " " BUILD_TYPES "${BUILD_TYPES}")
105 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
106 HELPSTRING "Build type - valid options are: ${BUILD_TYPES}")
108 ##############################################################################
109 # link time optimizations
110 ##############################################################################
111 if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
112 check_ipo_supported(RESULT _result)
114 option(VPP_USE_LTO "Link time optimization of release binaries" ON)
118 ##############################################################################
120 ##############################################################################
122 option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
123 set(VPP_SANITIZE_ADDR_OPTIONS
124 "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0"
126 STRING "Address sanitizer arguments"
129 if (VPP_ENABLE_SANITIZE_ADDR)
130 set(CMAKE_C_FLAGS "-fsanitize=address -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
131 set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
132 set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
133 endif (VPP_ENABLE_SANITIZE_ADDR)
135 ##############################################################################
137 ##############################################################################
138 option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
140 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
142 set(CMAKE_INSTALL_MESSAGE NEVER)
144 include_directories (
147 ${CMAKE_BINARY_DIR}/include
149 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
151 set(THREADS_PREFER_PTHREAD_FLAG ON)
152 find_package(Threads REQUIRED)
154 include(cmake/syscall.cmake)
155 include(cmake/api.cmake)
156 include(cmake/library.cmake)
157 include(cmake/exec.cmake)
158 include(cmake/plugin.cmake)
160 ##############################################################################
161 # subdirs - order matters
162 ##############################################################################
163 option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
164 if(VPP_HOST_TOOLS_ONLY)
165 set(SUBDIRS tools/vppapigen cmake)
166 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
167 find_package(OpenSSL REQUIRED)
169 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
170 vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
173 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
174 set(SUBDIRS vppinfra)
176 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
179 foreach(DIR ${SUBDIRS})
180 add_subdirectory(${DIR})
183 ##############################################################################
184 # detect if we are inside git repo and add configure dependency
185 ##############################################################################
187 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
188 COMMAND git rev-parse --show-toplevel
189 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
190 OUTPUT_STRIP_TRAILING_WHITESPACE
194 if (VPP_GIT_TOPLEVEL_DIR)
196 DIRECTORY APPEND PROPERTY
197 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
201 ##############################################################################
202 # print configuration
203 ##############################################################################
204 message(STATUS "Configuration:")
205 pr("VPP version" "${VPP_VERSION}")
206 pr("VPP library version" "${VPP_LIB_VERSION}")
207 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
208 pr("Build type" "${CMAKE_BUILD_TYPE}")
209 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
210 pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
211 pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
212 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
213 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
214 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
215 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")