# See the License for the specific language governing permissions and
# limitations under the License.
-cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.10)
+
+set(CMAKE_C_COMPILER_NAMES
+ clang-12
+ clang-11
+ clang-10
+ clang-9
+ gcc-10
+ gcc-9
+ cc
+)
project(vpp C)
include(CheckCCompilerFlag)
+include(CheckIPOSupported)
+include(cmake/misc.cmake)
+include(cmake/cpu.cmake)
+include(cmake/ccache.cmake)
##############################################################################
-# Highlight WARNING and ERROR messages
-##############################################################################
-function(message)
- list(GET ARGV 0 type)
- string(ASCII 27 esc)
- set(red "${esc}[1;31m")
- set(yellow "${esc}[1;33m")
- set(reset "${esc}[m")
- if(type STREQUAL FATAL_ERROR OR type STREQUAL SEND_ERROR)
- list(REMOVE_AT ARGV 0)
- _message(${type} "${red}${ARGV}${reset}")
- elseif(type STREQUAL WARNING)
- list(REMOVE_AT ARGV 0)
- _message(STATUS "${yellow}${ARGV}${reset}")
- elseif(type STREQUAL STATUS)
- list(REMOVE_AT ARGV 0)
- _message(STATUS "${ARGV}")
- else()
- _message(${ARGV})
- endif()
-endfunction()
+# VPP Version
+##############################################################################
+execute_process(
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ COMMAND scripts/version
+ OUTPUT_VARIABLE VPP_VERSION
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
+list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
##############################################################################
-# CPU optimizations and multiarch support
+# cross compiling
##############################################################################
-if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
- set(CMAKE_C_FLAGS "-march=corei7 -mtune=corei7-avx ${CMAKE_C_FLAGS}")
- check_c_compiler_flag("-march=core-avx2" AVX2)
- if(AVX2)
- list(APPEND MARCH_VARIANTS "avx2\;-march=core-avx2 -mtune=core-avx2")
- endif()
- check_c_compiler_flag("-march=skylake-avx512" AVX512)
- if(AVX512)
- list(APPEND MARCH_VARIANTS "avx512\;-march=skylake-avx512 -mtune=skylake-avx512")
- endif()
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
- set(CMAKE_C_FLAGS "-march=armv8-a+crc ${CMAKE_C_FLAGS}")
+if(CMAKE_CROSSCOMPILING)
+ set(CMAKE_IGNORE_PATH
+ /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
+ /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
+ )
endif()
-
-macro(vpp_library_set_multiarch_sources lib)
- foreach(V ${MARCH_VARIANTS})
- list(GET V 0 VARIANT)
- list(GET V 1 VARIANT_FLAGS)
- set(l ${lib}_${VARIANT})
- add_library(${l} OBJECT ${ARGN})
- set_target_properties(${l} PROPERTIES POSITION_INDEPENDENT_CODE ON)
- target_compile_options(${l} PUBLIC "-DCLIB_MARCH_VARIANT=${VARIANT}")
- separate_arguments(VARIANT_FLAGS)
- target_compile_options(${l} PUBLIC ${VARIANT_FLAGS})
- target_sources(${lib} PRIVATE $<TARGET_OBJECTS:${l}>)
- endforeach()
-endmacro()
+set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
##############################################################################
# build config
##############################################################################
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
-set(CMAKE_C_FLAGS_COMMON "-DFORTIFY_SOURCE=2 -fstack-protector-all -Werror")
-set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_FLAGS_COMMON} -DCLIB_DEBUG")
-set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS_COMMON}")
+check_c_compiler_flag("-Wno-address-of-packed-member"
+ compiler_flag_no_address_of_packed_member)
+set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
+set(VPP_LIBRARY_DIR "lib" 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})
+
+if (CMAKE_BUILD_TYPE)
+ set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
+endif()
+
+if (compiler_flag_no_address_of_packed_member)
+ set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
+endif()
+
+# release
+list(APPEND BUILD_TYPES "release")
+string(CONCAT CMAKE_C_FLAGS_RELEASE
+ "-O2 "
+ "-fstack-protector "
+ "-D_FORTIFY_SOURCE=2 "
+ "-fno-common "
+)
+
+string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
+
+# debug
+list(APPEND BUILD_TYPES "debug")
+string(CONCAT CMAKE_C_FLAGS_DEBUG
+ "-O0 "
+ "-DCLIB_DEBUG "
+ "-fstack-protector "
+ "-fno-common "
+)
+
+# coverity
+list(APPEND BUILD_TYPES "coverity")
+string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
+
+# gcov
+list(APPEND BUILD_TYPES "gcov")
+string(CONCAT CMAKE_C_FLAGS_GCOV
+ "-O0 "
+ "-DCLIB_DEBUG "
+ "-DCLIB_GCOV "
+ "-fprofile-arcs "
+ "-ftest-coverage ")
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
+
+
+string(REPLACE ";" " " BUILD_TYPES "${BUILD_TYPES}")
+set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
+ HELPSTRING "Build type - valid options are: ${BUILD_TYPES}")
+
+##############################################################################
+# 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()
##############################################################################
-# ccache
+# sanitizers
##############################################################################
-option(VPP_USE_CCACHE "Use ccache compiler cache." ON)
-if(VPP_USE_CCACHE)
- find_program(CCACHE_FOUND ccache)
- message(STATUS "Looking for ccache")
- if(CCACHE_FOUND)
- message(STATUS "Looking for ccache - found")
- set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
- set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
- else(CCACHE_FOUND)
- message(STATUS "Looking for ccache - not found")
- endif(CCACHE_FOUND)
-endif(VPP_USE_CCACHE)
+
+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)
+ set(CMAKE_C_FLAGS "-fsanitize=address -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
+ set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
+ set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
+endif (VPP_ENABLE_SANITIZE_ADDR)
##############################################################################
# install config
##############################################################################
-set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
+if(VPP_SET_RPATH)
+ set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+endif()
set(CMAKE_INSTALL_MESSAGE NEVER)
-message(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
-message(STATUS "We are on a ${CMAKE_SYSTEM_NAME} system")
-message(STATUS "The host processor is ${CMAKE_HOST_SYSTEM_PROCESSOR}")
-
include_directories (
${CMAKE_SOURCE_DIR}
${CMAKE_BINARY_DIR}
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
-find_package(OpenSSL REQUIRED)
-include_directories(${OPENSSL_INCLUDE_DIR})
+
+include(cmake/syscall.cmake)
+include(cmake/api.cmake)
+include(cmake/library.cmake)
+include(cmake/exec.cmake)
+include(cmake/plugin.cmake)
##############################################################################
-# Check for memfd_create headers and libs
+# subdirs - order matters
##############################################################################
-check_c_source_compiles("
- #define _GNU_SOURCE
- #include <sys/mman.h>
- int main() { return memfd_create (\"/dev/false\", 0); }
-" HAVE_MEMFD_CREATE)
-
-if (HAVE_MEMFD_CREATE)
- add_definitions(-DHAVE_MEMFD_CREATE)
+option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
+if(VPP_HOST_TOOLS_ONLY)
+ set(SUBDIRS tools/vppapigen cmake)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+ find_package(OpenSSL REQUIRED)
+ set(SUBDIRS
+ vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
+ vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
+ tools/appimage
+ )
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+ set(SUBDIRS vppinfra)
+else()
+ message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
endif()
+foreach(DIR ${SUBDIRS})
+ add_subdirectory(${DIR})
+endforeach()
+
##############################################################################
-# API
+# detect if we are inside git repo and add configure dependency
##############################################################################
-function(vpp_generate_api_c_header file)
- set (output_name ${CMAKE_CURRENT_BINARY_DIR}/${file}.h)
- get_filename_component(output_dir ${output_name} DIRECTORY)
- add_custom_command (OUTPUT ${output_name}
- COMMAND mkdir -p ${output_dir}
- COMMAND ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen
- ARGS --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} --output ${output_name}
- DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${file}
- COMMENT "Generating API header ${output_name}"
- )
-endfunction()
-
-function(vpp_generate_api_json_header file dir)
- set (output_name ${CMAKE_CURRENT_BINARY_DIR}/${file}.json)
- get_filename_component(output_dir ${output_name} DIRECTORY)
- add_custom_command (OUTPUT ${output_name}
- COMMAND mkdir -p ${output_dir}
- COMMAND ${CMAKE_SOURCE_DIR}/tools/vppapigen/vppapigen
- ARGS --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} JSON --output ${output_name}
- DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${file}
- COMMENT "Generating API header ${output_name}"
- )
- install(FILES ${output_name} DESTINATION share/vpp/api/${dir}/)
-endfunction()
-
-##############################################################################
-# generate the .h and .json files for a .api file
-# @param file - the name of the .api
-# @param dir - the install directory under ROOT/share/vpp/api to place the
-# generated .json file
-##############################################################################
-function(vpp_generate_api_header file dir)
- vpp_generate_api_c_header (${file})
- vpp_generate_api_json_header (${file} ${dir})
-endfunction()
-
-function(vpp_add_api_files target)
- unset(header_files)
- foreach(file ${ARGN})
- vpp_generate_api_header (${file} core)
- list (APPEND header_files ${file}.h ${file}.json)
- endforeach()
- add_custom_target(${target} DEPENDS ${header_files})
-endfunction()
-
-add_custom_target(api_headers
- DEPENDS vlibmemory_api_headers vnet_api_headers vpp_api_headers
+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
)
-##############################################################################
-# header files
-##############################################################################
-function (vpp_add_header_files path)
- foreach(file ${ARGN})
- get_filename_component(dir ${file} DIRECTORY)
- install(FILES ${file} DESTINATION include/${path}/${dir})
- endforeach()
-endfunction()
+if (VPP_GIT_TOPLEVEL_DIR)
+ set_property(
+ DIRECTORY APPEND PROPERTY
+ CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
+ )
+endif()
##############################################################################
-# subdirs
-##############################################################################
-foreach (DIR vppinfra svm vlib vlibmemory vlibapi vnet vpp vpp-api vat vcl plugins)
- add_subdirectory(${DIR})
-endforeach ()
-
-##############################################################################
-# DEB Packaging
-##############################################################################
-set(CPACK_GENERATOR "DEB")
-set(CPACK_DEBIAN_PACKAGE_MAINTAINER "VPP Team")
-set(CPACK_PACKAGE_NAME "vpp")
-set(CPACK_PACKAGE_VENDOR "fd.io")
-set(CPACK_PACKAGE_VERSION "18.08")
-set(CPACK_DEB_COMPONENT_INSTALL ON)
-set(CPACK_COMPONENTS_IGNORE_GROUPS 1)
-set(CPACK_DEBIAN_VPP_PACKAGE_NAME "vpp")
-set(CPACK_DEBIAN_VPP_FILE_NAME "vpp.deb")
-set(CPACK_DEBIAN_DEV_PACKAGE_NAME "vpp-dev")
-set(CPACK_DEBIAN_DEV_FILE_NAME "vpp-dev.deb")
-set(CPACK_DEBIAN_PLUGINS_PACKAGE_NAME "vpp-plugins")
-set(CPACK_DEBIAN_PLUGINS_FILE_NAME "vpp-plugins.deb")
-include(CPack)
+# print configuration
+##############################################################################
+message(STATUS "Configuration:")
+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 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}")