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 3.5 FATAL_ERROR)
16 set(CMAKE_C_COMPILER_NAMES clang-10 clang-9 gcc-9 cc)
20 include(CheckCCompilerFlag)
21 include(cmake/misc.cmake)
22 include(cmake/cpu.cmake)
23 include(cmake/ccache.cmake)
25 ##############################################################################
27 ##############################################################################
29 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
30 COMMAND scripts/version
31 OUTPUT_VARIABLE VPP_VERSION
32 OUTPUT_STRIP_TRAILING_WHITESPACE
34 string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
35 list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
37 ##############################################################################
39 ##############################################################################
40 if(CMAKE_CROSSCOMPILING)
42 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
43 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
46 set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
48 ##############################################################################
50 ##############################################################################
51 check_c_compiler_flag("-Wno-address-of-packed-member"
52 compiler_flag_no_address_of_packed_member)
53 set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
54 set(VPP_LIBRARY_DIR "lib" CACHE STRING "Relative library directory path")
56 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
57 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
60 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
63 if (compiler_flag_no_address_of_packed_member)
64 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
68 list(APPEND BUILD_TYPES "release")
69 string(CONCAT CMAKE_C_FLAGS_RELEASE
76 string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
79 list(APPEND BUILD_TYPES "debug")
80 string(CONCAT CMAKE_C_FLAGS_DEBUG
89 list(APPEND BUILD_TYPES "coverity")
90 string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
93 list(APPEND BUILD_TYPES "gcov")
94 string(CONCAT CMAKE_C_FLAGS_GCOV
101 string(TOUPPER "${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 ##############################################################################
110 ##############################################################################
112 option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
113 if (VPP_ENABLE_SANITIZE_ADDR)
114 set(CMAKE_C_FLAGS "-fsanitize=address --param asan-stack=0 -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
115 set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
116 set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
117 endif (VPP_ENABLE_SANITIZE_ADDR)
119 ##############################################################################
121 ##############################################################################
122 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
123 set(CMAKE_INSTALL_MESSAGE NEVER)
125 include_directories (
128 ${CMAKE_BINARY_DIR}/include
130 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
132 set(THREADS_PREFER_PTHREAD_FLAG ON)
133 find_package(Threads REQUIRED)
135 include(cmake/syscall.cmake)
136 include(cmake/api.cmake)
137 include(cmake/library.cmake)
138 include(cmake/exec.cmake)
139 include(cmake/plugin.cmake)
141 ##############################################################################
142 # subdirs - order matters
143 ##############################################################################
144 option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
145 if(VPP_HOST_TOOLS_ONLY)
146 set(SUBDIRS tools/vppapigen cmake)
147 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
148 find_package(OpenSSL REQUIRED)
150 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
151 vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
154 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
155 set(SUBDIRS vppinfra)
157 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
160 foreach(DIR ${SUBDIRS})
161 add_subdirectory(${DIR})
164 ##############################################################################
165 # detect if we are inside git repo and add configure dependency
166 ##############################################################################
168 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
169 COMMAND git rev-parse --show-toplevel
170 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
171 OUTPUT_STRIP_TRAILING_WHITESPACE
175 if (VPP_GIT_TOPLEVEL_DIR)
177 DIRECTORY APPEND PROPERTY
178 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
182 ##############################################################################
183 # print configuration
184 ##############################################################################
185 message(STATUS "Configuration:")
186 pr("VPP version" "${VPP_VERSION}")
187 pr("VPP library version" "${VPP_LIB_VERSION}")
188 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
189 pr("Build type" "${CMAKE_BUILD_TYPE}")
190 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
191 pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
192 pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
193 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
194 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
195 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
196 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")