build: add the missing leading underscore to FORTIFY_SOURCE

[vpp.git] / src / CMakeLists.txt

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 248d7b8..0b06a4c 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,11 +11,14 @@
 # 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(CheckIPOSupported)
 include(cmake/misc.cmake)
 include(cmake/cpu.cmake)
 include(cmake/ccache.cmake)
@@ -48,30 +51,95 @@ set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
 ##############################################################################
 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}/bin)
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+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 ${CMAKE_C_FLAGS}")
-  set(CMAKE_C_FLAGS "-fstack-protector-all ${CMAKE_C_FLAGS}")
-  set(CMAKE_C_FLAGS "-Werror ${CMAKE_C_FLAGS}")
-  set(CMAKE_C_FLAGS "-DFORTIFY_SOURCE=2 ${CMAKE_C_FLAGS}")
+  set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
 endif()
 
 if (compiler_flag_no_address_of_packed_member)
   set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
 endif()
 
-set(CMAKE_C_FLAGS_RELEASE "-O2 ${CMAKE_C_FLAGS_RELEASE}")
-set(CMAKE_C_FLAGS_DEBUG "-O0 -DCLIB_DEBUG ${CMAKE_C_FLAGS_DEBUG}")
-set(CMAKE_LINKER_FLAGS_RELEASE "-pie -Wl,-z,now ${CMAKE_LINKER_FLAGS_RELEASE}")
+# release
+list(APPEND BUILD_TYPES "release")
+string(CONCAT CMAKE_C_FLAGS_RELEASE
+  "-O2 "
+  "-fstack-protector "
+  "-D_FORTIFY_SOURCE=2 "
+  "-fno-common "
+)
+
+string(CONCAT CMAKE_EXE_LINKER_FLAGS_RELEASE "-pie")
+
+# debug
+list(APPEND BUILD_TYPES "debug")
+string(CONCAT CMAKE_C_FLAGS_DEBUG
+  "-O0 "
+  "-DCLIB_DEBUG "
+  "-fstack-protector "
+  "-D_FORTIFY_SOURCE=2 "
+  "-fno-common "
+)
+
+# coverity
+list(APPEND BUILD_TYPES "coverity")
+string(CONCAT CMAKE_C_FLAGS_COVERITY "-O2 -D__COVERITY__")
+
+# gcov
+list(APPEND BUILD_TYPES "gcov")
+string(CONCAT CMAKE_C_FLAGS_GCOV
+  "-O0 "
+  "-DCLIB_DEBUG "
+  "-DCLIB_GCOV "
+  "-fprofile-arcs "
+  "-ftest-coverage ")
+
 string(TOUPPER "${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}/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 (
@@ -93,11 +161,14 @@ include(cmake/plugin.cmake)
 ##############################################################################
 # subdirs - order matters
 ##############################################################################
-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
+if(VPP_HOST_TOOLS_ONLY)
+  set(SUBDIRS tools/vppapigen cmake)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   find_package(OpenSSL REQUIRED)
   set(SUBDIRS
-    vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
-    vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake pkg
+    vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vat2 vcl plugins
+    vpp-api tools/vppapigen tools/g2 tools/perftool cmake pkg
     tools/appimage
   )
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
@@ -137,7 +208,8 @@ pr("VPP library version" "${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_${CMAKE_BUILD_TYPE_UC}}")
-pr("Linker flags" "${CMAKE_LINKER_FLAGS}${CMAKE_LINKER_FLAGS_${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}")