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Damjan Marion612dd6a2018-07-30 12:45:07 +02001# 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:
5#
6# http://www.apache.org/licenses/LICENSE-2.0
7#
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.
13
Damjan Marionaf7892c2020-10-22 14:23:47 +020014cmake_minimum_required(VERSION 3.10)
Damjan Marion612dd6a2018-07-30 12:45:07 +020015
Damjan Mariond22f1902021-04-14 18:48:22 +020016set(CMAKE_C_COMPILER_NAMES
17 clang-12
18 clang-11
19 clang-10
20 clang-9
21 gcc-10
22 gcc-9
23 cc
24)
Damjan Marion4ba16a42020-04-28 13:29:37 +020025
Damjan Marion612dd6a2018-07-30 12:45:07 +020026project(vpp C)
27
28include(CheckCCompilerFlag)
Damjan Marionaf7892c2020-10-22 14:23:47 +020029include(CheckIPOSupported)
Damjan Marionff426932019-01-26 14:12:25 +010030include(cmake/misc.cmake)
Damjan Mariond16004d2018-08-26 10:14:52 +020031include(cmake/cpu.cmake)
32include(cmake/ccache.cmake)
Damjan Marion612dd6a2018-07-30 12:45:07 +020033
34##############################################################################
Damjan Marionc6c02462018-08-31 17:38:57 +020035# VPP Version
36##############################################################################
37execute_process(
38 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
39 COMMAND scripts/version
40 OUTPUT_VARIABLE VPP_VERSION
41 OUTPUT_STRIP_TRAILING_WHITESPACE
42)
43string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
44list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
45
46##############################################################################
Damjan Mariondd395292019-01-15 00:36:03 +010047# cross compiling
48##############################################################################
49if(CMAKE_CROSSCOMPILING)
50 set(CMAKE_IGNORE_PATH
51 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
52 /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
53 )
54endif()
Damjan Marion64911362019-01-18 17:09:44 +010055set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
Damjan Mariondd395292019-01-15 00:36:03 +010056
57##############################################################################
Damjan Marion612dd6a2018-07-30 12:45:07 +020058# build config
59##############################################################################
Damjan Marion847d5282019-01-17 18:25:11 +010060check_c_compiler_flag("-Wno-address-of-packed-member"
61 compiler_flag_no_address_of_packed_member)
Damjan Marion599efc62020-05-07 16:49:45 +020062set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
63set(VPP_LIBRARY_DIR "lib" CACHE STRING "Relative library directory path")
Damjan Marion847d5282019-01-17 18:25:11 +010064
Damjan Marion599efc62020-05-07 16:49:45 +020065set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
66set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
Damjan Marion612dd6a2018-07-30 12:45:07 +020067
Damjan Marion847d5282019-01-17 18:25:11 +010068if (CMAKE_BUILD_TYPE)
Damjan Marion2baa1152019-11-07 11:32:16 +010069 set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
Damjan Marion33ed3e42018-08-27 15:59:30 +020070endif()
71
Damjan Marion847d5282019-01-17 18:25:11 +010072if (compiler_flag_no_address_of_packed_member)
73 set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
74endif()
75
Damjan Marion2baa1152019-11-07 11:32:16 +010076# release
Damjan Marion952a7b82019-11-19 17:58:36 +010077list(APPEND BUILD_TYPES "release")
Damjan Marion2baa1152019-11-07 11:32:16 +010078string(CONCAT CMAKE_C_FLAGS_RELEASE
Damjan Marion1bb67ab2021-04-30 11:11:08 +020079 "-O3 "
Damjan Marion2baa1152019-11-07 11:32:16 +010080 "-fstack-protector "
Neale Ranns2a81d9a2021-01-20 09:03:30 +000081 "-D_FORTIFY_SOURCE=2 "
Damjan Marion2baa1152019-11-07 11:32:16 +010082 "-fno-common "
83)
84
85string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
86
87# debug
Damjan Marion952a7b82019-11-19 17:58:36 +010088list(APPEND BUILD_TYPES "debug")
Damjan Marion2baa1152019-11-07 11:32:16 +010089string(CONCAT CMAKE_C_FLAGS_DEBUG
90 "-O0 "
91 "-DCLIB_DEBUG "
92 "-fstack-protector "
Damjan Marion2baa1152019-11-07 11:32:16 +010093 "-fno-common "
94)
95
96# coverity
Damjan Marion952a7b82019-11-19 17:58:36 +010097list(APPEND BUILD_TYPES "coverity")
Damjan Marion2baa1152019-11-07 11:32:16 +010098string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
99
100# gcov
Damjan Marion952a7b82019-11-19 17:58:36 +0100101list(APPEND BUILD_TYPES "gcov")
Damjan Marion2baa1152019-11-07 11:32:16 +0100102string(CONCAT CMAKE_C_FLAGS_GCOV
103 "-O0 "
104 "-DCLIB_DEBUG "
105 "-DCLIB_GCOV "
106 "-fprofile-arcs "
107 "-ftest-coverage ")
108
Damjan Marion847d5282019-01-17 18:25:11 +0100109string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
110
Damjan Marion952a7b82019-11-19 17:58:36 +0100111
112string(REPLACE ";" " " BUILD_TYPES "${BUILD_TYPES}")
113set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
114 HELPSTRING "Build type - valid options are: ${BUILD_TYPES}")
115
Damjan Marion612dd6a2018-07-30 12:45:07 +0200116##############################################################################
Damjan Marionaf7892c2020-10-22 14:23:47 +0200117# link time optimizations
118##############################################################################
119if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
120 check_ipo_supported(RESULT _result)
121 if (_result)
122 option(VPP_USE_LTO "Link time optimization of release binaries" ON)
123 endif()
124endif()
125
126##############################################################################
Benoît Ganne9fb6d402019-04-15 15:28:21 +0200127# sanitizers
128##############################################################################
129
Damjan Marion599efc62020-05-07 16:49:45 +0200130option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
Benoît Ganne173484f2020-06-16 12:05:07 +0200131set(VPP_SANITIZE_ADDR_OPTIONS
Damjan Marionec3a3f12020-05-21 19:09:13 +0200132 "unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0"
133 CACHE
134 STRING "Address sanitizer arguments"
135)
136
Damjan Marion599efc62020-05-07 16:49:45 +0200137if (VPP_ENABLE_SANITIZE_ADDR)
Damjan Marioncea46522020-05-21 16:47:05 +0200138 set(CMAKE_C_FLAGS "-fsanitize=address -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
Benoît Ganne9fb6d402019-04-15 15:28:21 +0200139 set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
140 set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
Damjan Marion599efc62020-05-07 16:49:45 +0200141endif (VPP_ENABLE_SANITIZE_ADDR)
Benoît Ganne9fb6d402019-04-15 15:28:21 +0200142
143##############################################################################
Damjan Marion612dd6a2018-07-30 12:45:07 +0200144# install config
145##############################################################################
Nathan Moos2c919222021-01-15 13:28:34 -0800146option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
147if(VPP_SET_RPATH)
148 set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
149endif()
Damjan Marion612dd6a2018-07-30 12:45:07 +0200150set(CMAKE_INSTALL_MESSAGE NEVER)
151
Damjan Marion612dd6a2018-07-30 12:45:07 +0200152include_directories (
153 ${CMAKE_SOURCE_DIR}
154 ${CMAKE_BINARY_DIR}
155 ${CMAKE_BINARY_DIR}/include
156)
157set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
158
159set(THREADS_PREFER_PTHREAD_FLAG ON)
160find_package(Threads REQUIRED)
Damjan Marion612dd6a2018-07-30 12:45:07 +0200161
Damjan Marion1ee346a2019-03-18 17:06:51 +0100162include(cmake/syscall.cmake)
Damjan Mariond16004d2018-08-26 10:14:52 +0200163include(cmake/api.cmake)
Damjan Marion4553c952018-08-26 11:04:40 +0200164include(cmake/library.cmake)
165include(cmake/exec.cmake)
Damjan Mariond16004d2018-08-26 10:14:52 +0200166include(cmake/plugin.cmake)
Damjan Marion612dd6a2018-07-30 12:45:07 +0200167
168##############################################################################
Damjan Marion0abd4a22018-08-28 12:57:29 +0200169# subdirs - order matters
Damjan Marion612dd6a2018-07-30 12:45:07 +0200170##############################################################################
Damjan Marion599efc62020-05-07 16:49:45 +0200171option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
172if(VPP_HOST_TOOLS_ONLY)
173 set(SUBDIRS tools/vppapigen cmake)
174elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
Damjan Marion4dffd1c2018-09-03 12:30:36 +0200175 find_package(OpenSSL REQUIRED)
176 set(SUBDIRS
Ole Troandf87f802020-11-18 19:17:48 +0100177 vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
Damjan Marion5505ee82020-05-07 09:49:27 +0200178 vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
Dave Barach0729f642019-03-24 16:25:03 -0400179 tools/appimage
Damjan Marion0fa900e2018-09-12 12:12:36 +0200180 )
Damjan Marion4dffd1c2018-09-03 12:30:36 +0200181elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
182 set(SUBDIRS vppinfra)
183else()
184 message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
185endif()
186
187foreach(DIR ${SUBDIRS})
Damjan Marion612dd6a2018-07-30 12:45:07 +0200188 add_subdirectory(${DIR})
Damjan Marion0abd4a22018-08-28 12:57:29 +0200189endforeach()
Damjan Marion612dd6a2018-07-30 12:45:07 +0200190
Damjan Marioneeadc142018-09-13 20:02:12 +0200191##############################################################################
Damjan Marionc6c02462018-08-31 17:38:57 +0200192# detect if we are inside git repo and add configure dependency
193##############################################################################
194execute_process(
195 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
196 COMMAND git rev-parse --show-toplevel
197 OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
198 OUTPUT_STRIP_TRAILING_WHITESPACE
Damjan Marion6077c972019-01-28 17:55:59 +0100199 ERROR_QUIET
Damjan Marionc6c02462018-08-31 17:38:57 +0200200)
201
202if (VPP_GIT_TOPLEVEL_DIR)
203 set_property(
204 DIRECTORY APPEND PROPERTY
205 CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
206 )
207endif()
208
209##############################################################################
210# print configuration
211##############################################################################
212message(STATUS "Configuration:")
213pr("VPP version" "${VPP_VERSION}")
214pr("VPP library version" "${VPP_LIB_VERSION}")
215pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
Damjan Marion847d5282019-01-17 18:25:11 +0100216pr("Build type" "${CMAKE_BUILD_TYPE}")
217pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
Damjan Marion2baa1152019-11-07 11:32:16 +0100218pr("Linker flags (apps)" "${CMAKE_EXE_LINKER_FLAGS}${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
219pr("Linker flags (libs)" "${CMAKE_SHARED_LINKER_FLAGS}${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
Damjan Mariondd395292019-01-15 00:36:03 +0100220pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
Damjan Marionc6c02462018-08-31 17:38:57 +0200221pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
Damjan Marion4a6cb832018-09-18 18:41:38 +0200222pr("Prefix path" "${CMAKE_PREFIX_PATH}")
Damjan Marionc6c02462018-08-31 17:38:57 +0200223pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")