Merge branch 'fix/minimal_debug_level_vverb' into 'master'

[cmake] Fix vverb not recognized as MINIMAL_DEBUG_LEVEL

See merge request !356

cmake/modules/DuneStreams.cmake

@@ -13,14 +13,15 @@ macro(dune_set_minimal_debug_level)
 set(MINIMAL_DEBUG_LEVEL ON CACHE STRING "set the MINIMAL_DEBUG_LEVEL. Standard debug streams with level below MINIMAL_DEBUG_LEVEL will collapse to doing nothing if output is requested. (default=warn)")
 set_property(CACHE MINIMAL_DEBUG_LEVEL PROPERTY STRINGS
   "grave" "warn" "info" "verb" "vverb")
-if(MINIMAL_DEBUG_LEVEL MATCHES "grave")
+if(MINIMAL_DEBUG_LEVEL STREQUAL "grave")
   set(DUNE_MINIMAL_DEBUG_LEVEL 5)
-elseif(MINIMAL_DEBUG_LEVEL MATCHES "info")
+elseif(MINIMAL_DEBUG_LEVEL STREQUAL "info")
   set(DUNE_MINIMAL_DEBUG_LEVEL 3)
-elseif(MINIMAL_DEBUG_LEVEL MATCHES "verb")
+elseif(MINIMAL_DEBUG_LEVEL STREQUAL "verb")
   set(DUNE_MINIMAL_DEBUG_LEVEL 2)
-elseif(MINIMAL_DEBUG_LEVEL MATCHES "vverb")
+elseif(MINIMAL_DEBUG_LEVEL STREQUAL "vverb")
   set(DUNE_MINIMAL_DEBUG_LEVEL 1)
+# default to warn
 else()
   set(DUNE_MINIMAL_DEBUG_LEVEL 4)
 endif()