diff --git a/CMakeLists.txt b/CMakeLists.txt
index 328f4897..8e0ed8f8 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,16 @@ project(bounded_integer LANGUAGES CXX)
 
 if(NOT CMAKE_BUILD_TYPE)
 	set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type" FORCE)
-endif()	
+endif()
+
+project(bounded_integer LANGUAGES CXX)
+if(NOT DEFINED REQUIRED_GCC_VER )
+	set(REQUIRED_GCC_VER 13)
+endif()
+
+if(NOT DEFINED REQUIRED_CLANG_VER )
+	set(REQUIRED_CLANG_VER 16)
+endif()
 
 enable_testing()
 
@@ -40,7 +49,39 @@ if (NOT has_parent)
 	endif()
 endif()
 
-add_library(bounded STATIC)
+
+if(DEFINED FATAL_ERR)
+	set(MFLAG_FETAL FATAL_ERROR)
+else()
+	set(MFLAG_FETAL WARNING)
+endif()
+
+function(EMIT_VER_WARNINGS REQUIRED_VER)
+	cmake_parse_arguments(FLAG "Else" "IF" "FAIL" ${ARGN})
+	string(REPLACE "." ";" __VLIST ${CMAKE_CXX_COMPILER_VERSION}) 
+	list(GET __VLIST 0 CXX_CMP_V_1)
+	if(NOT DEFINED FLAG_FAIL)
+		set(FLAG_FAIL FALSE)
+	endif()
+	if(FLAG_FAIL)
+		set(MFLAG_FATAL FATAL_ERROR)
+	else()
+		set(MFLAG_FATAL WARNING)
+	endif()
+	if(${CXX_CMP_V_1} LESS ${REQUIRED_VER}) 
+		message(${MFLAG_FATAL} "${CMAKE_CXX_COMPILER_ID}: detected version ${CXX_CMP_V_1}(${CMAKE_CXX_COMPILER_VERSION}); you must use version ${REQUIRED_VER}+")
+	endif()
+endfunction()
+
+if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
+	EMIT_VER_WARNINGS(${REQUIRED_CLANG_VER} FAIL TRUE)
+elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
+	EMIT_VER_WARNINGS(${REQUIRED_GCC_VER} FAIL TRUE)
+else()
+	message(WARNING "UNKNOWN Compiler")
+endif()
+
+add_library(bounded INTERFACE)
 
 target_link_libraries(bounded
 	PUBLIC