X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2FCMakeLists.txt;h=8947c8afff68fcd16db69315307a28dbd6db8abe;hb=df87f8092;hp=8757053af64957b98c03fecc7c3e15d6bb85085a;hpb=33ed3e4c7d0fa1335642ad45e4e52c7ba15cded6;p=vpp.git

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8757053af64..8947c8afff6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,40 +11,134 @@
 # 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-11 clang-10 clang-9 gcc-10 gcc-9 cc)
 
 project(vpp C)
 
 include(CheckCCompilerFlag)
-
-include(cmake/message.cmake)
+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})
+
+if (CMAKE_BUILD_TYPE)
+  set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
+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)
+  set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
+endif()
+
+# release
+list(APPEND BUILD_TYPES "release")
+string(CONCAT CMAKE_C_FLAGS_RELEASE
+  "-O2 "
+  "-fstack-protector "
+  "-DFORTIFY_SOURCE=2 "
+  "-fno-common "
+)
+
+string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
+
+# debug
+list(APPEND BUILD_TYPES "debug")
+string(CONCAT CMAKE_C_FLAGS_DEBUG
+  "-O0 "
+  "-DCLIB_DEBUG "
+  "-fstack-protector "
+  "-DFORTIFY_SOURCE=2 "
+  "-fno-common "
+)
+
+# coverity
+list(APPEND BUILD_TYPES "coverity")
+string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
+
+# gcov
+list(APPEND BUILD_TYPES "gcov")
+string(CONCAT CMAKE_C_FLAGS_GCOV
+  "-O0 "
+  "-DCLIB_DEBUG "
+  "-DCLIB_GCOV "
+  "-fprofile-arcs "
+  "-ftest-coverage ")
+
+string(TOUPPER "${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()
 
+##############################################################################
+# 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)
+  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}/${VPP_LIB_DIR_NAME}")
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
 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}
@@ -54,19 +148,66 @@ 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)
 
 ##############################################################################
-# subdirs
+# subdirs - order matters
 ##############################################################################
-foreach (DIR vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins vpp-api)
+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 ()
+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 ${VPP_GIT_TOPLEVEL_DIR}/.git/index
+  )
+endif()
+
+##############################################################################
+# print configuration
+##############################################################################
+message(STATUS "Configuration:")
+pr("VPP version" "${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}")