X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2FCMakeLists.txt;h=2fb0703e1748451c9788b36f830c7cb830e64540;hb=07c73690e992525320be1067cff33a6b8d5ec9e3;hp=32f0e7edcdc006a29098ee8a20dce82dcd8ac2f0;hpb=9c412e9ee58ae4a2671d63f70add6fd2c6c15a2b;p=vpp.git

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 32f0e7edcdc..2fb0703e174 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -13,16 +13,7 @@
 
 cmake_minimum_required(VERSION 3.13)
 
-set(CMAKE_C_COMPILER_NAMES
-  clang-13
-  clang-12
-  clang-11
-  clang-10
-  clang-9
-  gcc-10
-  gcc-9
-  cc
-)
+set(CMAKE_C_COMPILER_NAMES clang gcc cc)
 
 project(vpp C)
 
@@ -49,6 +40,39 @@ execute_process(
 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()
+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
 ##############################################################################
@@ -71,7 +95,7 @@ set(VPP_LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING "Relative library direc
 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__)
+set(PYENV PYTHONPYCACHEPREFIX=${CMAKE_BINARY_DIR}/CMakeFiles/__pycache__)
 
 if (CMAKE_BUILD_TYPE)
   add_compile_options(-g -Werror -Wall)
@@ -133,7 +157,6 @@ set(VPP_SANITIZE_ADDR_OPTIONS
 
 if (VPP_ENABLE_SANITIZE_ADDR)
   add_compile_options(-fsanitize=address)
-  add_compile_definitions(CLIB_SANITIZE_ADDR)
   add_link_options(-fsanitize=address)
 endif (VPP_ENABLE_SANITIZE_ADDR)
 
@@ -267,7 +290,7 @@ 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" ${CMAKE_C_COMPILER})
+pr("C compiler" "${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}})
@@ -276,3 +299,4 @@ 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})