vrrp: fix vrrp_garp_or_na_send()'s memory leak
[vpp.git] / src / CMakeLists.txt
index fedf931..68d0a4f 100644 (file)
 # 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 3.13)
+
+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(cmake/message.cmake)
+include(CheckIPOSupported)
+include(GNUInstallDirs)
+include(cmake/misc.cmake)
 include(cmake/cpu.cmake)
 include(cmake/ccache.cmake)
 
@@ -29,53 +56,229 @@ execute_process(
   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_SYSTEM_NAME} MATCHES "Linux")
+  set(COMPILER_SUFFIX "linux-gnu")
+elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+  set(COMPILER_SUFFIX "freebsd")
+endif()
+
+if(CMAKE_CROSSCOMPILING)
+  set(CMAKE_IGNORE_PATH
+    /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-${COMPILER_SUFFIX}/
+    /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-${COMPILER_SUFFIX}/lib/
+  )
+endif()
+  set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-${COMPILER_SUFFIX})
 ##############################################################################
 # 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 ${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()
 
-check_c_compiler_flag("-Wno-address-of-packed-member" compiler_flag_no_address_of_packed_member)
 if (compiler_flag_no_address_of_packed_member)
-  add_definitions(-Wno-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)
+  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
 ##############################################################################
-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}/${VPP_LIBRARY_DIR}")
+endif()
 set(CMAKE_INSTALL_MESSAGE NEVER)
 
 include_directories (
        ${CMAKE_SOURCE_DIR}
-       ${CMAKE_BINARY_DIR}
-       ${CMAKE_BINARY_DIR}/include
+       ${VPP_BINARY_DIR}
 )
 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
 
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 
-include(cmake/memfd.cmake)
+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 "${EPOLL_SHIM_LIB}")
+  endif()
+endif()
+
 ##############################################################################
 # subdirs - order matters
 ##############################################################################
-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
-  find_package(OpenSSL REQUIRED)
+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 vcl plugins
-    vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake
+    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)
@@ -84,19 +287,9 @@ else()
 endif()
 
 foreach(DIR ${SUBDIRS})
-  add_subdirectory(${DIR})
+  add_subdirectory(${DIR} ${VPP_BINARY_DIR}/${DIR})
 endforeach()
 
-##############################################################################
-# packaging
-##############################################################################
-include(cmake/pack.cmake)
-add_vpp_packaging(
-  NAME "vpp"
-  VENDOR "fd.io"
-  DESCRIPTION "Vector Packet Processor"
-)
-
 ##############################################################################
 # detect if we are inside git repo and add configure dependency
 ##############################################################################
@@ -105,6 +298,7 @@ execute_process(
   COMMAND git rev-parse --show-toplevel
   OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
   OUTPUT_STRIP_TRAILING_WHITESPACE
+  ERROR_QUIET
 )
 
 if (VPP_GIT_TOPLEVEL_DIR)
@@ -114,17 +308,62 @@ if (VPP_GIT_TOPLEVEL_DIR)
   )
 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 ${bt}"
+    USES_TERMINAL
+  )
+endforeach()
+
+mark_as_advanced(CLEAR
+  CMAKE_C_FLAGS
+  CMAKE_C_COMPILER
+  CMAKE_EXPORT_COMPILE_COMMANDS
+  CMAKE_INSTALL_PREFIX
+  CMAKE_LINKER
+  CMAKE_SHARED_LINKER_FLAGS
+  CMAKE_VERBOSE_MAKEFILE
+)
+
 ##############################################################################
 # print configuration
 ##############################################################################
 message(STATUS "Configuration:")
-pr("VPP version" "${VPP_VERSION}")
-pr("VPP library version" "${VPP_LIB_VERSION}")
-pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
-pr("C flags" "${CMAKE_C_FLAGS}")
-pr("Linker flags" "${CMAKE_LINKER_FLAGS}")
-pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
-pr("Build type" "${CMAKE_BUILD_TYPE}")
-pr("Prefix path" "${CMAKE_PREFIX_PATH}")
-pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")
-
+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})