llvm dev - Aug 2007 - [LLVMdev] Strange error of llvm-ld

I'm using llvm-ld from SVN r41106

When issueing the command

$ /usr/src/llvm/installed/bin/llvm-ld -v -stats -native -O1 -strip-all -o main \
  .obj/conf.o .obj/configwriter.o \
  -L/usr/share/qt3/lib -L/usr/X11R6/lib \
  -lcrypto -lusb -lutil -lqt-mt -lXext -lX11 -lm -lpthread

I get this output:

  Linking bitcode file '.obj/conf.o'
  Linked in file '.obj/conf.o'
  Linking bitcode file '.obj/configwriter.o'
llvm-ld: error: Cannot link file '.obj/configwriter.o'


If I swap the order of configwriter.o and conf.o, then I'll get
the same error, it just says that it cannot link conf.o

The "*.o" files are made by llvm-gcc-4.0 with --emit-llvm. I can
"llvm-dis conf.o -o -" on both files and don't see any apparent
error there.

Should I file a bug and attach those two files?

I think I have experienced this when more than one module contains
definitions for the same values. ie. it should only be a declaration
in one of them.

On 8/15/07, Holger Schurig <hs4233 at mail.mn-solutions.de>
wrote:
> I'm using llvm-ld from SVN r41106
>
> When issueing the command
>
> $ /usr/src/llvm/installed/bin/llvm-ld -v -stats -native -O1 -strip-all -o
main \
>   .obj/conf.o .obj/configwriter.o \
>   -L/usr/share/qt3/lib -L/usr/X11R6/lib \
>   -lcrypto -lusb -lutil -lqt-mt -lXext -lX11 -lm -lpthread
>
> I get this output:
>
>   Linking bitcode file '.obj/conf.o'
>   Linked in file '.obj/conf.o'
>   Linking bitcode file '.obj/configwriter.o'
> llvm-ld: error: Cannot link file '.obj/configwriter.o'
>
>
> If I swap the order of configwriter.o and conf.o, then I'll get
> the same error, it just says that it cannot link conf.o
>
> The "*.o" files are made by llvm-gcc-4.0 with --emit-llvm. I can
> "llvm-dis conf.o -o -" on both files and don't see any
apparent
> error there.
>
> Should I file a bug and attach those two files?
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>

> I think I have experienced this when more than one module
> contains definitions for the same values. ie. it should only
> be a declaration in one of them.
Hmm, when I compile and link this with plain gcc, it everything 
works.

Anyway, llvm-ld should probably not just say "Cannot link 
file 'blah'", but why it cannot link it.

I compiled llvm in with --enable-debug. Is there any switch that 
I can use to turn on some verbosity, so that I can maybe see 
from debug output where the problem is?

Tomas,

Please file a bug for this. Attach the .o files and command line in
question.

Thanks,

Reid.

On Wed, 2007-08-15 at 23:22 +0200, Tomas Lindquist Olsen
wrote:
> I think I have experienced this when more than one module contains
> definitions for the same values. ie. it should only be a declaration
> in one of them.
> 
> On 8/15/07, Holger Schurig <hs4233 at mail.mn-solutions.de> wrote:
> > I'm using llvm-ld from SVN r41106
> >
> > When issueing the command
> >
> > $ /usr/src/llvm/installed/bin/llvm-ld -v -stats -native -O1 -strip-all
-o main \
> >   .obj/conf.o .obj/configwriter.o \
> >   -L/usr/share/qt3/lib -L/usr/X11R6/lib \
> >   -lcrypto -lusb -lutil -lqt-mt -lXext -lX11 -lm -lpthread
> >
> > I get this output:
> >
> >   Linking bitcode file '.obj/conf.o'
> >   Linked in file '.obj/conf.o'
> >   Linking bitcode file '.obj/configwriter.o'
> > llvm-ld: error: Cannot link file '.obj/configwriter.o'
> >
> >
> > If I swap the order of configwriter.o and conf.o, then I'll get
> > the same error, it just says that it cannot link conf.o
> >
> > The "*.o" files are made by llvm-gcc-4.0 with --emit-llvm. I
can
> > "llvm-dis conf.o -o -" on both files and don't see any
apparent
> > error there.
> >
> > Should I file a bug and attach those two files?
> > _______________________________________________
> > LLVM Developers mailing list
> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
> >
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev