When using GCC 2.7/3.3/4.0/4.02 the following warnings are not reported by the plugIn

in GCC 3.3/4.0/4.2 (Xcode - MacOS X)
folder1/file1.m:638: warning: local declaration of `command' hides instance variable
folder1/file1.m:640: warning: instance variable `command' accessed in class method

in GCC 2.7 (ProjectBuilder OpenStep-Enterprise (Windows))
file1.m:47: warning: `oldGeb' might be used uninitialized in this function
file1.m:640: warning: local declaration of `command' hides instance variable
file1.h(15): warning: `BOOL' redefined
file1.c(34): warning: this is the location of the previous definition

All warning where generate by compiling ObjectiveC Code (see the *.m in the File-Names)