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 ${CMAKE_C_FLAGS}")
57 set(CMAKE_C_FLAGS "-fstack-protector-all ${CMAKE_C_FLAGS}")
58 set(CMAKE_C_FLAGS "-Werror ${CMAKE_C_FLAGS}")
59 set(CMAKE_C_FLAGS "-DFORTIFY_SOURCE=2 ${CMAKE_C_FLAGS}")
62 if (compiler_flag_no_address_of_packed_member)
63 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
66 set(CMAKE_C_FLAGS_RELEASE "-O2 ${CMAKE_C_FLAGS_RELEASE}")
67 set(CMAKE_C_FLAGS_DEBUG "-O0 -DCLIB_DEBUG ${CMAKE_C_FLAGS_DEBUG}")
68 set(CMAKE_LINKER_FLAGS_RELEASE "-pie -Wl,-z,now ${CMAKE_LINKER_FLAGS_RELEASE}")
69 string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
71 ##############################################################################
73 ##############################################################################
74 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
75 set(CMAKE_INSTALL_MESSAGE NEVER)
80 ${CMAKE_BINARY_DIR}/include
82 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
84 set(THREADS_PREFER_PTHREAD_FLAG ON)
85 find_package(Threads REQUIRED)
87 include(cmake/syscall.cmake)
88 include(cmake/api.cmake)
89 include(cmake/library.cmake)
90 include(cmake/exec.cmake)
91 include(cmake/plugin.cmake)
93 ##############################################################################
94 # subdirs - order matters
95 ##############################################################################
96 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
97 find_package(OpenSSL REQUIRED)
99 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
100 vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake pkg
102 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
103 set(SUBDIRS vppinfra)
105 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
108 foreach(DIR ${SUBDIRS})
109 add_subdirectory(${DIR})
112 ##############################################################################
113 # detect if we are inside git repo and add configure dependency
114 ##############################################################################
116 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
117 COMMAND git rev-parse --show-toplevel
118 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
119 OUTPUT_STRIP_TRAILING_WHITESPACE
123 if (VPP_GIT_TOPLEVEL_DIR)
125 DIRECTORY APPEND PROPERTY
126 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
130 ##############################################################################
131 # print configuration
132 ##############################################################################
133 message(STATUS "Configuration:")
134 pr("VPP version" "${VPP_VERSION}")
135 pr("VPP library version" "${VPP_LIB_VERSION}")
136 pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
137 pr("Build type" "${CMAKE_BUILD_TYPE}")
138 pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
139 pr("Linker flags" "${CMAKE_LINKER_FLAGS}${CMAKE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
140 pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
141 pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
142 pr("Prefix path" "${CMAKE_PREFIX_PATH}")
143 pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")