# See the License for the specific language governing permissions and
# limitations under the License.
-cmake_minimum_required(VERSION 3.10)
-
-set(CMAKE_C_COMPILER_NAMES
- clang-12
- clang-11
- clang-10
- clang-9
- gcc-10
- gcc-9
- cc
-)
+cmake_minimum_required(VERSION 3.13)
+
+set(CMAKE_C_COMPILER_NAMES clang gcc cc)
project(vpp C)
-set(CMAKE_EXPORT_COMPILE_COMMANDS on)
+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)
string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
+##############################################################################
+# compiler specifics
+##############################################################################
+
+set(MIN_SUPPORTED_CLANG_C_COMPILER_VERSION 9.0.0)
+set(MIN_SUPPORTED_GNU_C_COMPILER_VERSION 9.0.0)
+
+if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
+ if (CMAKE_C_COMPILER_VERSION VERSION_LESS MIN_SUPPORTED_CLANG_C_COMPILER_VERSION)
+ set(COMPILER_TOO_OLD TRUE)
+ endif()
+elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
+ if (CMAKE_C_COMPILER_VERSION VERSION_LESS MIN_SUPPORTED_GNU_C_COMPILER_VERSION)
+ set(COMPILER_TOO_OLD TRUE)
+ endif()
+ set(GCC_STRING_OVERFLOW_WARNING_DISABLE_VERSION 10.0.0)
+ if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL GCC_STRING_OVERFLOW_WARNING_DISABLE_VERSION)
+ add_compile_options(-Wno-stringop-overflow)
+ endif()
+else()
+ message(WARNING "WARNING: Unsupported C compiler `${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
##############################################################################
##############################################################################
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(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)
- set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
+ add_compile_options(-g -Werror -Wall)
endif()
if (compiler_flag_no_address_of_packed_member)
- set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
+ add_compile_options(-Wno-address-of-packed-member)
endif()
-# release
-list(APPEND BUILD_TYPES "release")
-string(CONCAT CMAKE_C_FLAGS_RELEASE
- "-O3 "
- "-fstack-protector "
- "-D_FORTIFY_SOURCE=2 "
- "-fno-common "
-)
-
-string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
-
-# debug
-list(APPEND BUILD_TYPES "debug")
-string(CONCAT CMAKE_C_FLAGS_DEBUG
- "-O0 "
- "-DCLIB_DEBUG "
- "-fstack-protector "
- "-fno-common "
-)
-
-# coverity
-list(APPEND BUILD_TYPES "coverity")
-string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
-
-# gcov
-list(APPEND BUILD_TYPES "gcov")
-string(CONCAT CMAKE_C_FLAGS_GCOV
- "-O0 "
- "-DCLIB_DEBUG "
- "-DCLIB_GCOV "
- "-fprofile-arcs "
- "-ftest-coverage ")
-
+string(TOLOWER "${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 (${CMAKE_BUILD_TYPE_LC} MATCHES "gcov")
+ add_compile_options(-O0 -fprofile-arcs -ftest-coverage)
+ add_compile_definitions(CLIB_DEBUG CLIB_GCOV)
+endif()
+set(BUILD_TYPES release debug coverity gcov)
string(REPLACE ";" " " BUILD_TYPES_STR "${BUILD_TYPES}")
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
HELPSTRING "Build type - valid options are: ${BUILD_TYPES_STR}")
endif()
endif()
+if(VPP_USE_LTO)
+ check_c_compiler_flag("-Wno-stringop-overflow"
+ compiler_flag_no_stringop_overflow)
+endif()
##############################################################################
# sanitizers
##############################################################################
)
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}")
+ add_compile_options(-fsanitize=address)
+ add_link_options(-fsanitize=address)
endif (VPP_ENABLE_SANITIZE_ADDR)
##############################################################################
option(VPP_ENABLE_TRAJECTORY_TRACE "Build vpp with trajectory tracing enabled" OFF)
if(VPP_ENABLE_TRAJECTORY_TRACE)
- set(CMAKE_C_FLAGS "-DVLIB_BUFFER_TRACE_TRAJECTORY=1 ${CMAKE_C_FLAGS}")
+ add_compile_definitions(VLIB_BUFFER_TRACE_TRAJECTORY=1)
+endif()
+
+##############################################################################
+# unittest with clang ode coverage
+##############################################################################
+
+if("${CMAKE_VERSION}" VERSION_GREATER_EQUAL "3.13" AND "${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
+ option(VPP_BUILD_TESTS_WITH_COVERAGE "Build unit tests with code coverage" OFF)
endif()
##############################################################################
##############################################################################
option(VPP_SET_RPATH "Set rpath for resulting binaries and libraries." ON)
if(VPP_SET_RPATH)
- set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+ set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${VPP_LIBRARY_DIR}")
endif()
set(CMAKE_INSTALL_MESSAGE NEVER)
if(VPP_HOST_TOOLS_ONLY)
set(SUBDIRS tools/vppapigen cmake)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
- find_package(OpenSSL REQUIRED)
+ find_package(OpenSSL)
set(SUBDIRS
- vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
- vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
+ vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl vpp-api
+ plugins tools/vppapigen tools/g2 tools/perftool cmake pkg
tools/appimage
)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
USES_TERMINAL
)
-add_custom_target(compdb
- COMMAND ninja -C ${CMAKE_BINARY_DIR} -t compdb |
- ${CMAKE_SOURCE_DIR}/scripts/compdb_cleanup.py >
- ${CMAKE_BINARY_DIR}/compile_commands.json
- COMMENT "Generating compile_commands.json"
- USES_TERMINAL
-)
-
foreach(bt ${BUILD_TYPES})
add_custom_target(set-build-type-${bt}
COMMAND cmake -DCMAKE_BUILD_TYPE:STRING=${bt} .
)
endforeach()
+mark_as_advanced(CLEAR
+ CMAKE_C_FLAGS
+ CMAKE_C_COMPILER
+ CMAKE_EXPORT_COMPILE_COMMANDS
+ CMAKE_INSTALL_PREFIX
+ CMAKE_LINKER
+ CMAKE_SHARED_LINKER_FLAGS
+ CMAKE_VERBOSE_MAKEFILE
+)
+
##############################################################################
# print configuration
##############################################################################
message(STATUS "Configuration:")
-pr("VPP version" "${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}")
+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})
Code Review / vpp.git / blobdiff