misc: experimental configure script

[vpp.git] / src / CMakeLists.txt

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 499a39f..96d373a 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,13 +11,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
-
-set(CMAKE_C_COMPILER_NAMES clang-10 clang-9 gcc-9 cc)
+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)
@@ -55,6 +64,7 @@ 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)
 
 if (CMAKE_BUILD_TYPE)
   set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
@@ -67,9 +77,9 @@ endif()
 # release
 list(APPEND BUILD_TYPES "release")
 string(CONCAT CMAKE_C_FLAGS_RELEASE
-  "-O2 "
+  "-O3 "
   "-fstack-protector "
-  "-DFORTIFY_SOURCE=2 "
+  "-D_FORTIFY_SOURCE=2 "
   "-fno-common "
 )
 
@@ -81,7 +91,6 @@ string(CONCAT CMAKE_C_FLAGS_DEBUG
   "-O0 "
   "-DCLIB_DEBUG "
   "-fstack-protector "
-  "-DFORTIFY_SOURCE=2 "
   "-fno-common "
 )
 
@@ -105,6 +114,16 @@ 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
 ##############################################################################
@@ -125,13 +144,15 @@ 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)
 
 include_directories (
        ${CMAKE_SOURCE_DIR}
-       ${CMAKE_BINARY_DIR}
-       ${CMAKE_BINARY_DIR}/include
+       ${VPP_BINARY_DIR}
 )
 set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "vpp")
 
@@ -153,7 +174,7 @@ if(VPP_HOST_TOOLS_ONLY)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   find_package(OpenSSL REQUIRED)
   set(SUBDIRS
-    vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
+    vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
     vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
     tools/appimage
   )
@@ -164,7 +185,7 @@ else()
 endif()
 
 foreach(DIR ${SUBDIRS})
-  add_subdirectory(${DIR})
+  add_subdirectory(${DIR} ${VPP_BINARY_DIR}/${DIR})
 endforeach()
 
 ##############################################################################
@@ -185,6 +206,36 @@ 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(menu
+  COMMAND ccmake ${CMAKE_BINARY_DIR}
+  COMMENT "Starting Configuration TUI..."
+  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
+)
+
 ##############################################################################
 # print configuration
 ##############################################################################