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)
54 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
55 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
58 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
61 if (compiler_flag_no_address_of_packed_member)
62 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
66 list(APPEND BUILD_TYPES "release")
67 string(CONCAT CMAKE_C_FLAGS_RELEASE
74 string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
77 list(APPEND BUILD_TYPES "debug")
78 string(CONCAT CMAKE_C_FLAGS_DEBUG
87 list(APPEND BUILD_TYPES "coverity")
88 string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
91 list(APPEND BUILD_TYPES "gcov")
92 string(CONCAT CMAKE_C_FLAGS_GCOV
99 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
102 string(REPLACE ";" " " BUILD_TYPES "${BUILD_TYPES}")
103 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
104 HELPSTRING "Build type - valid options are: ${BUILD_TYPES}")
106 ##############################################################################
108 ##############################################################################
110 option(ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
111 if (ENABLE_SANITIZE_ADDR)
112 set(CMAKE_C_FLAGS "-fsanitize=address --param asan-stack=0 -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
113 set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
114 set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
115 endif (ENABLE_SANITIZE_ADDR)
117 ##############################################################################
119 ##############################################################################
120 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
121 set(CMAKE_INSTALL_MESSAGE NEVER)
123 include_directories (
126 ${CMAKE_BINARY_DIR}/include
128 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
130 set(THREADS_PREFER_PTHREAD_FLAG ON)
131 find_package(Threads REQUIRED)
133 include(cmake/syscall.cmake)
134 include(cmake/api.cmake)
135 include(cmake/library.cmake)
136 include(cmake/exec.cmake)
137 include(cmake/plugin.cmake)
139 ##############################################################################
140 # subdirs - order matters
141 ##############################################################################
142 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
143 find_package(OpenSSL REQUIRED)
145 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
146 vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake pkg
149 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
150 set(SUBDIRS vppinfra)
152 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
155 foreach(DIR ${SUBDIRS})
156 add_subdirectory(${DIR})
159 ##############################################################################
160 # detect if we are inside git repo and add configure dependency
161 ##############################################################################
163 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
164 COMMAND git rev-parse --show-toplevel
165 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
166 OUTPUT_STRIP_TRAILING_WHITESPACE
170 if (VPP_GIT_TOPLEVEL_DIR)
172 DIRECTORY APPEND PROPERTY
173 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
177 ##############################################################################
178 # print configuration
179 ##############################################################################
180 message(STATUS "Configuration:")
181 pr("VPP version" "${VPP_VERSION}")
182 pr("VPP library version" "${VPP_LIB_VERSION}")
183 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
184 pr("Build type" "${CMAKE_BUILD_TYPE}")
185 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
186 pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
187 pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
188 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
189 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
190 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
191 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")