nat: nat44-ed add session timing out indicator in api
[vpp.git] / src / CMakeLists.txt
index cd028cb..49ea037 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 3.10)
+
+set(CMAKE_C_COMPILER_NAMES
+  clang-12
+  clang-11
+  clang-10
+  clang-9
+  gcc-10
+  gcc-9
+  cc
+)
 
 project(vpp C)
 
-include(CheckCCompilerFlag)
+if(CMAKE_VERSION VERSION_LESS 3.12)
+  macro(add_compile_definitions defs)
+    foreach(d ${defs})
+      add_compile_options(-D${d})
+    endforeach()
+  endmacro()
+endif()
 
-include(cmake/message.cmake)
+include(CheckCCompilerFlag)
+include(CheckIPOSupported)
+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
+)
+string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
+list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
+
+##############################################################################
+# cross compiling
+##############################################################################
+if(CMAKE_CROSSCOMPILING)
+  set(CMAKE_IGNORE_PATH
+    /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
+    /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
+  )
+endif()
+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})
+set(VPP_BINARY_DIR ${CMAKE_BINARY_DIR}/CMakeFiles)
+set(PYENV PYTHONPYCACHEPREFIX=${CMAKE_BINARY_DIR}/CMakeFile/__pycache__)
+
+if (CMAKE_BUILD_TYPE)
+  add_compile_options(-g -fPIC -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 (${CMAKE_BUILD_TYPE_LC} MATCHES "release")
+  add_compile_options(-O3 -fstack-protector -fno-common)
+  add_compile_definitions(_FORTIFY_SOURCE=2)
+  set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
+elseif (${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}")
+
+##############################################################################
+# 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()
+
+##############################################################################
+# 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_compile_definitions(CLIB_SANITIZE_ADDR)
+  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)
+
+##############################################################################
+# 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()
 
 ##############################################################################
 # 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}
-       ${CMAKE_BINARY_DIR}/include
+       ${VPP_BINARY_DIR}
 )
 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
 
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
-find_package(OpenSSL 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)
-include(cmake/deb.cmake)
 
 ##############################################################################
-# header files
+# subdirs - order matters
+##############################################################################
+option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
+if(VPP_HOST_TOOLS_ONLY)
+  set(SUBDIRS tools/vppapigen cmake)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+  find_package(OpenSSL)
+  set(SUBDIRS
+    vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
+    vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
+    tools/appimage
+  )
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+  set(SUBDIRS vppinfra)
+else()
+  message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
+endif()
+
+foreach(DIR ${SUBDIRS})
+  add_subdirectory(${DIR} ${VPP_BINARY_DIR}/${DIR})
+endforeach()
+
+##############################################################################
+# detect if we are inside git repo and add configure dependency
 ##############################################################################
-function (vpp_add_header_files path)
-  foreach(file ${ARGN})
-    get_filename_component(dir ${file} DIRECTORY)
-    install(FILES ${file} DESTINATION include/${path}/${dir})
-  endforeach()
-endfunction()
+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()
 
 ##############################################################################
-# subdirs
+# custom targets
 ##############################################################################
-foreach (DIR vppinfra svm vlib vlibmemory vlibapi vnet vpp vpp-api vat vcl plugins)
-  add_subdirectory(${DIR})
-endforeach ()
 
+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("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})