Shows the compiler version.
.TP
.I \-warnaserror, \-warnaserror+
-Treat warnings as errors.
+All compilers warnings will be reported as errors.
.TP
-.I \-warnaserror:W1,[Wn]
+.I \-warnaserror:W1,[Wn], -warnaserror+:W1,[Wn]
Treats one or more compiler warnings as errors.
.TP
+.I \-warnaserror-:W1,[Wn]
+Sets one or more compiler warnings to be always threated as warnings.
+Becomes useful when used together with -warnaserror.
+.TP
.I \-warn:LEVEL
Sets the warning level. 0 is the lowest warning level, and 4 is the
highest. The default is 4.