[Debian GNUstep maintainers] [4.4/4.5 regression] ObjC: Error: symbol `_OBJC_CLASS_AppController' is already defined

[Matthias Klose]

Package: gobjc-4.4
Version: 4.4.1-5
Severity: important
Tags: upstream

PR41617

seen with 4.4 and 4.5 on arm-linux-gnueabi:

gcc AppController.m -c \
               -MMD -MP -DGNUSTEP -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 
-DGNU_RUNTIME=1 -DGNUSTEP_BASE_LIBRARY=1 -D_REENTRANT -fPIC -g -Wall -DDEBUG 
-fno-omit-frame-pointer -DGSWARN -DGSDIAGNOSE -Wno-import -O2 
-fno-strict-aliasing -fexceptions -fobjc-exceptions -D_NATIVE_OBJC_EXCEPTIONS 
-fgnu-runtime -fconstant-string-class=NSConstantString -I. 
-I/usr/local/include/GNUstep -I/usr/include/GNUstep \
                -o obj/AppController.m.o
In file included from Date.h:4,
                  from Event.h:3,
                  from AppointmentEditor.h:3,
                  from AppController.m:4:
/usr/include/ical.h:22:2: warning: #warning "#include <ical.h> is deprecated. 
Please #include <libical/ical.h> instead."
/tmp/ccdTn0Sv.s: Assembler messages:
/tmp/ccdTn0Sv.s:11021: Error: symbol `_OBJC_CLASS_AppController' is already defined
make[2]: *** [obj/AppController.m.o] Error 1