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/message.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 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
39 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
40 set(CMAKE_C_FLAGS_COMMON "-DFORTIFY_SOURCE=2 -fstack-protector-all -Werror")
41 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_FLAGS_COMMON} -DCLIB_DEBUG")
42 set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS_COMMON}")
44 check_c_compiler_flag("-Wno-address-of-packed-member" compiler_flag_no_address_of_packed_member)
45 if (compiler_flag_no_address_of_packed_member)
46 add_definitions(-Wno-address-of-packed-member)
49 ##############################################################################
51 ##############################################################################
52 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
53 set(CMAKE_INSTALL_MESSAGE NEVER)
58 ${CMAKE_BINARY_DIR}/include
60 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
62 set(THREADS_PREFER_PTHREAD_FLAG ON)
63 find_package(Threads REQUIRED)
65 include(cmake/memfd.cmake)
66 include(cmake/api.cmake)
67 include(cmake/library.cmake)
68 include(cmake/exec.cmake)
69 include(cmake/plugin.cmake)
71 ##############################################################################
72 # subdirs - order matters
73 ##############################################################################
74 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
75 find_package(OpenSSL REQUIRED)
77 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
78 vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake
80 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
83 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
86 foreach(DIR ${SUBDIRS})
87 add_subdirectory(${DIR})
90 ##############################################################################
92 ##############################################################################
93 include(cmake/pack.cmake)
97 DESCRIPTION "Vector Packet Processor"
100 ##############################################################################
101 # detect if we are inside git repo and add configure dependency
102 ##############################################################################
104 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
105 COMMAND git rev-parse --show-toplevel
106 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
107 OUTPUT_STRIP_TRAILING_WHITESPACE
110 if (VPP_GIT_TOPLEVEL_DIR)
112 DIRECTORY APPEND PROPERTY
113 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
117 ##############################################################################
118 # print configuration
119 ##############################################################################
120 message(STATUS "Configuration:")
121 pr("VPP version" "${VPP_VERSION}")
122 pr("VPP library version" "${VPP_LIB_VERSION}")
123 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
124 pr("C flags" "${CMAKE_C_FLAGS}")
125 pr("Linker flags" "${CMAKE_LINKER_FLAGS}")
126 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
127 pr("Build type" "${CMAKE_BUILD_TYPE}")
128 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
129 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")