Ubuntu
gcc-4.4 package

[PR41617, 4.4/4.5 regression] ObjC: Error: symbol `_OBJC_CLASS_AppController' is already defined

Bug #445308 reported by Matthias Klose
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gcc
Fix Released
Medium
gcc-4.4 (Ubuntu)
Confirmed
Medium
Unassigned

Bug Description

Binary package hint: gcc-4.4

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

See original description
Tags: armel
Revision history for this message
In , Matthias Klose (doko) wrote :

Created attachment 18735
preprocessed source

Revision history for this message
In , Matthias Klose (doko) wrote :

Created attachment 18736
assembler file

Revision history for this message
In , Matthias Klose (doko) wrote :

Created attachment 18737
preprocessed source

Revision history for this message
In , Matthias Klose (doko) wrote :

Created attachment 18738
assembler file

Revision history for this message
Matthias Klose (doko) wrote : [4.4/4.5 regression] ObjC: Error: symbol `_OBJC_CLASS_AppController' is already defined

Binary package hint: gcc-4.4

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

Changed in gcc-4.4 (Ubuntu):
importance: Undecided → Medium
status: New → Confirmed
Bug Watch Updater (bug-watch-updater)
Changed in gcc:
status: Unknown → New
Revision history for this message
In , Jakub-gcc (jakub-gcc) wrote :

This doesn't even compile, you forgot NXConstStr.h stuff.
When it is added, it compiles just fine, at least on x86_64-linux and i686-linux, no assembler errors.

Revision history for this message
In , Matthias Klose (doko) wrote :

Created attachment 18740
preprocessed source

regenerated with objc/NXConstStr.h included.

Matthias Klose (doko)
summary: - [4.4/4.5 regression] ObjC: Error: symbol `_OBJC_CLASS_AppController' is
- already defined
+ [PR41617, 4.4/4.5 regression] ObjC: Error: symbol
+ `_OBJC_CLASS_AppController' is already defined
Revision history for this message
In , Iains (iains) wrote :

Is this still a problem?

I cannot reproduce this on i686-darwin9 on trunk or 4.5.2 with :

 ./gcc/xgcc -Bgcc ../tests/AppController_44.mi -c -fgnu-runtime -w

Revision history for this message
In , Nicola-gcc (nicola-gcc) wrote :

Matthias,

it looks like this may be an "arm-linux-gnueabi"-specific problem ... it does work for me (as for everyone else) on i686-pc-linux-gnu, but you're clearly on arm-linux-gnueabi.

Can you produce a smaller testcase? Does it happen with all Objective-C classes?

Thanks

Revision history for this message
In , Matthias Klose (doko) wrote :

no, can't see this even with 4.4 now, on a system with binutils 2.21

Revision history for this message
In , Nicola-gcc (nicola-gcc) wrote :

So, can I close the bug ?

Thanks

Revision history for this message
In , Matthias Klose (doko) wrote :

works on armv5 too, current 4.4 branch and binutils 2.20.1

Bug Watch Updater (bug-watch-updater)
Changed in gcc:
importance: Unknown → Medium
status: New → Fix Released
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