Add some compiler flags conditionally to improve performance

CMakeLists.txt

@@ -103,6 +103,21 @@ if (COMPUTED_GOTO AND NOT MSVC)
     endif ()
 endif ()
 
+include(CheckCCompilerFlag)
+check_c_compiler_flag("-march=native" COMPILER_OPT_ARCH_NATIVE_SUPPORTED)
+if (COMPILER_OPT_ARCH_NATIVE_SUPPORTED AND NOT CMAKE_C_FLAGS MATCHES "-march=")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
+endif()
+check_c_compiler_flag("-fno-common" COMPILER_OPT_NO_COMMON_SUPPORTED)
+if (COMPILER_OPT_NO_COMMON_SUPPORTED AND NOT CMAKE_C_FLAGS MATCHES "-fno-common")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-common")
+endif()
+check_c_compiler_flag("-fno-stack-protector" COMPILER_OPT_NO_STACK_PROTECTOR_SUPPORTED)
+if (COMPILER_OPT_NO_STACK_PROTECTOR_SUPPORTED AND NOT CMAKE_C_FLAGS MATCHES "-fno-stack-protector")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-stack-protector")
+endif()
+
+
 set(EMBEDDED_DMRC ON)
 if (LLVM_JIT)
     find_package(LLVM REQUIRED CONFIG)