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vpp/src/CMakeLists.txt
Dave Wallace 66fcfb845b build: fix gcov failure on ubuntu 24.04 
Type: make

Change-Id: Ieee6562de4b9f68d701c27a3c3018431b28eb3b0
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2024-10-23 09:38:11 +00:00

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CMake
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# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cmake_minimum_required(VERSION 3.13)
if(DEFINED VPP_PLATFORM AND VPP_PLATFORM STREQUAL "default")
unset(VPP_PLATFORM)
unset(VPP_PLATFORM CACHE)
set(VPP_PLATFORM_NAME "default")
elseif(DEFINED VPP_PLATFORM)
set(platform_file ${CMAKE_SOURCE_DIR}/cmake/platform/${VPP_PLATFORM}.cmake)
if(NOT EXISTS ${platform_file})
message(FATAL_ERROR "unknown platform ${VPP_PLATFORM}")
endif()
include(${platform_file})
set(VPP_PLATFORM_NAME ${VPP_PLATFORM})
else()
set(VPP_PLATFORM_NAME "default")
endif()
if (DEFINED VPP_PLATFORM_C_COMPILER_NAMES)
set(CMAKE_C_COMPILER_NAMES ${VPP_PLATFORM_C_COMPILER_NAME})
else()
set(CMAKE_C_COMPILER_NAMES clang gcc cc)
endif()
project(vpp C)
if(NOT DEFINED CMAKE_INSTALL_LIBDIR AND EXISTS "/etc/debian_version")
set(CMAKE_INSTALL_LIBDIR "lib/${CMAKE_LIBRARY_ARCHITECTURE}")
endif()
include(CheckCCompilerFlag)
include(CheckIPOSupported)
include(GNUInstallDirs)
include(cmake/misc.cmake)
include(cmake/cpu.cmake)
include(cmake/ccache.cmake)
##############################################################################
# VPP Version
##############################################################################
execute_process(
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMAND scripts/version
OUTPUT_VARIABLE VPP_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (VPP_PLATFORM)
set(VPP_VERSION ${VPP_VERSION}-${VPP_PLATFORM_NAME})
endif()
string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
##############################################################################
# compiler specifics
##############################################################################
set(MIN_SUPPORTED_CLANG_C_COMPILER_VERSION 9.0.0)
set(MIN_SUPPORTED_GNU_C_COMPILER_VERSION 9.0.0)
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
if (CMAKE_C_COMPILER_VERSION VERSION_LESS MIN_SUPPORTED_CLANG_C_COMPILER_VERSION)
set(COMPILER_TOO_OLD TRUE)
endif()
elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
if (CMAKE_C_COMPILER_VERSION VERSION_LESS MIN_SUPPORTED_GNU_C_COMPILER_VERSION)
set(COMPILER_TOO_OLD TRUE)
endif()
set(GCC_STRING_OVERFLOW_WARNING_DISABLE_VERSION 10.0.0)
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL GCC_STRING_OVERFLOW_WARNING_DISABLE_VERSION)
add_compile_options(-Wno-stringop-overflow)
endif()
set(GCC_STRING_OVERREAD_WARNING_DISABLE_VERSION 12.0.0)
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL GCC_STRING_OVERREAD_WARNING_DISABLE_VERSION)
add_compile_options(-Wno-stringop-overread)
endif()
set(GCC_ARRAY_BOUNDS_WARNING_DISABLE_VERSION 12.0.0)
if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL GCC_ARRAY_BOUNDS_WARNING_DISABLE_VERSION)
add_compile_options(-Wno-array-bounds)
endif()
else()
message(WARNING "WARNING: Unsupported C compiler `${CMAKE_C_COMPILER_ID}` is used")
set (PRINT_MIN_C_COMPILER_VER TRUE)
endif()
if (COMPILER_TOO_OLD)
message(WARNING "WARNING: C compiler version is too old and it's usage may result")
message(WARNING " in sub-optimal binaries or lack of support for specific CPU types.")
set (PRINT_MIN_C_COMPILER_VER TRUE)
endif()
if (PRINT_MIN_C_COMPILER_VER)
string (APPEND _t "Supported C compilers are ")
string (APPEND _t "Clang ${MIN_SUPPORTED_CLANG_C_COMPILER_VERSION} or higher ")
string (APPEND _t "and GNU ${MIN_SUPPORTED_GNU_C_COMPILER_VERSION} or higher.")
message(WARNING " ${_t}")
unset (_t)
endif()
##############################################################################
# cross compiling
##############################################################################
if(CMAKE_CROSSCOMPILING)
if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(COMPILER_SUFFIX "linux-gnu")
elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
set(COMPILER_SUFFIX "freebsd")
endif()
set(CMAKE_IGNORE_PATH
/usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-${COMPILER_SUFFIX}/
/usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-${COMPILER_SUFFIX}/lib/
)
set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-${COMPILER_SUFFIX})
endif()
##############################################################################
# build config
##############################################################################
check_c_compiler_flag("-Wno-address-of-packed-member"
compiler_flag_no_address_of_packed_member)
set(VPP_RUNTIME_DIR ${CMAKE_INSTALL_BINDIR} CACHE STRING "Relative runtime directory path")
set(VPP_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING "Relative library directory path")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
set(VPP_BINARY_DIR ${CMAKE_BINARY_DIR}/CMakeFiles)
set(PYENV PYTHONPYCACHEPREFIX=${CMAKE_BINARY_DIR}/CMakeFiles/__pycache__)
if (CMAKE_BUILD_TYPE)
add_compile_options(-g -Werror -Wall)
endif()
if (compiler_flag_no_address_of_packed_member)
add_compile_options(-Wno-address-of-packed-member)
endif()
string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LC)
string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
set(CMAKE_C_FLAGS_RELEASE "")
set(CMAKE_C_FLAGS_DEBUG "")
if (${CMAKE_BUILD_TYPE_LC} MATCHES "release")
add_compile_options(-O3 -fstack-protector -fno-common)
add_compile_definitions(_FORTIFY_SOURCE=2)
elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "debug")
add_compile_options(-O0 -fstack-protector -fno-common)
add_compile_definitions(CLIB_DEBUG)
elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "coverity")
add_compile_options(-O0)
add_compile_definitions(__COVERITY__)
elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "gcov")
add_compile_options(-O0 -fprofile-arcs -ftest-coverage -fprofile-update=prefer-atomic)
add_compile_definitions(CLIB_DEBUG CLIB_GCOV)
link_libraries(gcov)
endif()
set(BUILD_TYPES release debug coverity gcov)
string(REPLACE ";" " " BUILD_TYPES_STR "${BUILD_TYPES}")
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
HELPSTRING "Build type - valid options are: ${BUILD_TYPES_STR}")
##############################################################################
# link time optimizations
##############################################################################
if (CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
check_ipo_supported(RESULT _result)
if (_result)
option(VPP_USE_LTO "Link time optimization of release binaries" ON)
endif()
endif()
if(VPP_USE_LTO)
check_c_compiler_flag("-Wno-stringop-overflow"
compiler_flag_no_stringop_overflow)
endif()
##############################################################################
# sanitizers
##############################################################################
option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
set(VPP_SANITIZE_ADDR_OPTIONS
"unmap_shadow_on_exit=1:disable_coredump=0:abort_on_error=1:detect_leaks=0"
CACHE
STRING "Address sanitizer arguments"
)
if (VPP_ENABLE_SANITIZE_ADDR)
add_compile_options(-fsanitize=address)
add_link_options(-fsanitize=address)
endif (VPP_ENABLE_SANITIZE_ADDR)
##############################################################################
# trajectory trace
##############################################################################
option(VPP_ENABLE_TRAJECTORY_TRACE "Build vpp with trajectory tracing enabled" OFF)
if(VPP_ENABLE_TRAJECTORY_TRACE)
add_compile_definitions(VLIB_BUFFER_TRACE_TRAJECTORY=1)
endif()
##############################################################################
# unittest with clang code coverage
##############################################################################
if("${CMAKE_VERSION}" VERSION_GREATER_EQUAL "3.13" AND "${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
option(VPP_BUILD_TESTS_WITH_COVERAGE "Build unit tests with code coverage" OFF)
endif()
##############################################################################
# install config
##############################################################################
option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
if(VPP_SET_RPATH)
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${VPP_LIBRARY_DIR}")
endif()
set(CMAKE_INSTALL_MESSAGE NEVER)
include_directories (
${CMAKE_SOURCE_DIR}
${VPP_BINARY_DIR}
)
set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
include(cmake/syscall.cmake)
include(cmake/api.cmake)
include(cmake/library.cmake)
include(cmake/exec.cmake)
include(cmake/plugin.cmake)
##############################################################################
# FreeBSD - use epoll-shim
##############################################################################
set(EPOLL_LIB "")
if("${CMAKE_SYSTEM_NAME}" STREQUAL "FreeBSD")
find_path(EPOLL_SHIM_INCLUDE_DIR NAMES sys/epoll.h HINTS /usr/local/include/libepoll-shim)
find_library(EPOLL_SHIM_LIB NAMES epoll-shim HINTS /usr/local/lib)
if(EPOLL_SHIM_INCLUDE_DIR AND EPOLL_SHIM_LIB)
message(STATUS "Found epoll-shim in ${EPOLL_SHIM_INCLUDE_DIR}")
include_directories(${EPOLL_SHIM_INCLUDE_DIR})
string(JOIN " " EPOLL_LIB "${EPOLL_SHIM_LIB}")
endif()
endif()
##############################################################################
# subdirs - order matters
##############################################################################
option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
if(VPP_HOST_TOOLS_ONLY)
set(SUBDIRS tools/vppapigen cmake)
install(
PROGRAMS
vpp-api/vapi/vapi_c_gen.py
vpp-api/vapi/vapi_cpp_gen.py
vpp-api/vapi/vapi_json_parser.py
DESTINATION ${VPP_RUNTIME_DIR}
COMPONENT vpp-dev
)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD")
find_package(OpenSSL)
set(SUBDIRS
vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl vpp-api
plugins tools/vppapigen tools/g2 tools/perftool cmake pkg
tools/appimage
)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
set(SUBDIRS vppinfra)
else()
message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
endif()
foreach(DIR ${SUBDIRS})
add_subdirectory(${DIR} ${VPP_BINARY_DIR}/${DIR})
endforeach()
##############################################################################
# detect if we are inside git repo and add configure dependency
##############################################################################
execute_process(
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMAND git rev-parse --show-toplevel
OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
if (VPP_GIT_TOPLEVEL_DIR)
set_property(
DIRECTORY APPEND PROPERTY
CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
)
endif()
##############################################################################
# custom targets
##############################################################################
add_custom_target(run
COMMAND ./${VPP_RUNTIME_DIR}/vpp -c startup.conf
COMMENT "Starting VPP..."
USES_TERMINAL
)
add_custom_target(debug
COMMAND gdb --args ./${VPP_RUNTIME_DIR}/vpp -c startup.conf
COMMENT "Starting VPP in the debugger..."
USES_TERMINAL
)
add_custom_target(config
COMMAND ccmake ${CMAKE_BINARY_DIR}
COMMENT "Starting Configuration TUI..."
USES_TERMINAL
)
foreach(bt ${BUILD_TYPES})
add_custom_target(set-build-type-${bt}
COMMAND cmake -DCMAKE_BUILD_TYPE:STRING=${bt} .
COMMENT "Changing build type to ${bt}"
USES_TERMINAL
)
endforeach()
mark_as_advanced(CLEAR
CMAKE_C_FLAGS
CMAKE_C_COMPILER
CMAKE_EXPORT_COMPILE_COMMANDS
CMAKE_INSTALL_PREFIX
CMAKE_LINKER
CMAKE_SHARED_LINKER_FLAGS
CMAKE_VERBOSE_MAKEFILE
)
##############################################################################
# print configuration
##############################################################################
message(STATUS "Configuration:")
pr("VPP platform" ${VPP_PLATFORM_NAME})
pr("VPP version" ${VPP_VERSION})
pr("VPP library version" ${VPP_LIB_VERSION})
pr("GIT toplevel dir" ${VPP_GIT_TOPLEVEL_DIR})
pr("Build type" ${CMAKE_BUILD_TYPE})
pr("C compiler" "${CMAKE_C_COMPILER} (${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER_VERSION})")
pr("C flags" ${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}})
pr("Linker flags (apps)" ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}})
pr("Linker flags (libs)" ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}})
pr("Host processor" ${CMAKE_HOST_SYSTEM_PROCESSOR})
pr("Target processor" ${CMAKE_SYSTEM_PROCESSOR})
pr("Prefix path" ${CMAKE_PREFIX_PATH})
pr("Install prefix" ${CMAKE_INSTALL_PREFIX})
pr("Library dir" ${VPP_LIBRARY_DIR})
pr("Multiarch variants" ${MARCH_VARIANTS_NAMES})
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