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)
18 include(CheckCCompilerFlag)
19 include(cmake/misc.cmake)
20 include(cmake/cpu.cmake)
21 include(cmake/ccache.cmake)
23 ##############################################################################
25 ##############################################################################
27 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
28 COMMAND scripts/version
29 OUTPUT_VARIABLE VPP_VERSION
30 OUTPUT_STRIP_TRAILING_WHITESPACE
32 string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
33 list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
35 ##############################################################################
37 ##############################################################################
38 if(CMAKE_CROSSCOMPILING)
40 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
41 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
44 set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
46 ##############################################################################
48 ##############################################################################
49 check_c_compiler_flag("-Wno-address-of-packed-member"
50 compiler_flag_no_address_of_packed_member)
52 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
53 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
56 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
59 if (compiler_flag_no_address_of_packed_member)
60 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
64 string(CONCAT CMAKE_C_FLAGS_RELEASE
71 string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
74 string(CONCAT CMAKE_C_FLAGS_DEBUG
83 string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
86 string(CONCAT CMAKE_C_FLAGS_GCOV
93 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
95 ##############################################################################
97 ##############################################################################
98 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
99 set(CMAKE_INSTALL_MESSAGE NEVER)
101 include_directories (
104 ${CMAKE_BINARY_DIR}/include
106 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
108 set(THREADS_PREFER_PTHREAD_FLAG ON)
109 find_package(Threads REQUIRED)
111 include(cmake/syscall.cmake)
112 include(cmake/api.cmake)
113 include(cmake/library.cmake)
114 include(cmake/exec.cmake)
115 include(cmake/plugin.cmake)
117 ##############################################################################
118 # subdirs - order matters
119 ##############################################################################
120 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
121 find_package(OpenSSL REQUIRED)
123 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
124 vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake pkg
127 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
128 set(SUBDIRS vppinfra)
130 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
133 foreach(DIR ${SUBDIRS})
134 add_subdirectory(${DIR})
137 ##############################################################################
138 # detect if we are inside git repo and add configure dependency
139 ##############################################################################
141 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
142 COMMAND git rev-parse --show-toplevel
143 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
144 OUTPUT_STRIP_TRAILING_WHITESPACE
148 if (VPP_GIT_TOPLEVEL_DIR)
150 DIRECTORY APPEND PROPERTY
151 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
155 ##############################################################################
156 # print configuration
157 ##############################################################################
158 message(STATUS "Configuration:")
159 pr("VPP version" "${VPP_VERSION}")
160 pr("VPP library version" "${VPP_LIB_VERSION}")
161 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
162 pr("Build type" "${CMAKE_BUILD_TYPE}")
163 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
164 pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
165 pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
166 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
167 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
168 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
169 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")