order was mixed up, no global relaxation of standards

Author: MarDiehl

CMakeLists.txt

@@ -14,12 +14,9 @@ if(CMAKE_Fortran_COMPILER_ID STREQUAL GNU)
   add_compile_options(-Wconversion-extra)
   add_compile_options(-pedantic-errors)
   if(CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
-    add_compile_options(-std=f2008ts)
-  else()
     add_compile_options(-std=f2018)
-  endif()
-  if(CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10.0)
-    add_compile_options(-fallow-invalid-boz) # ToDo: hack for invalid code
+  else()
+    add_compile_options(-std=f2008ts)
   endif()
 elseif(CMAKE_Fortran_COMPILER_ID STREQUAL Intel)
   add_compile_options(-warn declarations,general,usage,interfaces,unused)