exclude compilers that dont support modules from compiling module.test

Author: JeffGarland

tests/CMakeLists.txt

@@ -9,7 +9,16 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(Catch2)
 
-set(ALL_TESTNAMES scope_success scope_exit scope_fail unique_resource module)
+message("Compiler is: ${CMAKE_CXX_COMPILER_ID} version:  ${CMAKE_CXX_COMPILER_VERSION}")
+
+# module tests will only compile with gcc15 or clang20 and above
+if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 20)
+  set(ALL_TESTNAMES scope_success scope_exit scope_fail unique_resource module)
+elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 15)
+  set(ALL_TESTNAMES scope_success scope_exit scope_fail unique_resource module)
+else()
+  set(ALL_TESTNAMES scope_success scope_exit scope_fail unique_resource)
+endif()
 
 message("Tests to be built: ${ALL_TESTNAMES}")