Re: [Gems-users] (no subject)

[Dan Gibson <degibson@xxxxxxxx>]

I assume then that there are object files in a subdirectory of 
$GEMS/ruby/x86-linux?
Try eliminating those symlinks and recompile.

Mike Marty wrote:
> > /home/nikolas/gems is a link to /media/gems
> > so this shouldn't affect anything. I am beginning to think that since Ubuntu
> > does a minimal installation by default, I am missing a library or something
> > similar. Unfortunately the error message isn't helping.
> >
> >     
> No, I doubt that.  The symbol it is having problems linking with is
> defined in $GEMS/common/util
>
> The issue here is that Ruby/Opal Makefiles will build the object files.
> Then to build a Simics module, we use the Virtutech Makefile which may be
> using a different compiler.  The compilers do not seem to agree on the
> names of mangled symbols.
>
> This problem comes up frequently on the list.  We currently do not have a
> clear, bullet-proof solution.
>
> --Mike
>
>
>
>   
> > Quoting Dan Gibson <degibson@xxxxxxxx>:
> >
> >     
> > > A path seems to be inconsistent:
> > > /home/nikolas/gems/programs/sparc in one message
> > > /media/gems/programs/sparc/ in another...
> > >
> > > This is probably an artifact of the reformat you mentioned -- did you
> > > copy files directly from one install to the other by chance? Otherwise,
> > > grep for whichever path is wrong, and change it.
> > >
> > > Regards,
> > > Dan Gibson
> > >
> > > nikolaos@xxxxxxxxxx wrote:
> > >       
> > > > The "make ruby" command from
> > > > $GEMS/simics/x86-linux/lib
> > > > fails with the same error message:
> > > >
> > > > === Building module "ruby" using the 2.0 API ===
> > > > ls:
> > > >
> > > >         
> > /home/nikolas/gems/programs/sparc/simics/../ruby/x86-linux/generated//obj/*.o:
> >     
> > > > No such file or directory
> > > > make: *** [ruby] Error 2
> > > >
> > > > I have tried both with
> > > > SIMICS_VERSION := -DSIMICS_2_2
> > > > and
> > > > SIMICS_VERSION += -DSIMICS_2_2
> > > >
> > > > Could this be a compatibility problem with gcc-3.3 ?
> > > >
> > > > Nikolas
> > > >
> > > >
> > > >
> > > > Quoting Dan Gibson <degibson@xxxxxxxx>:
> > > >
> > > >         
> > > > > The latest version of GEMS handles Simics versions a little
> > > > > differently, by changing Makefile.simics_version. Don't use the append
> > > > > operator in Makefile.simics_version in GEMS 1.2+... that could break
> > > > > several #ifdefs in various places. Use := instead of += if you're
> > > > > defining the Simics version.
> > > > >
> > > > >
> > > > >
> > > > > Regards,
> > > > >
> > > > > Dan Gibson
> > > > >
> > > > >
> > > > >
> > > > > Javier Merino wrote:
> > > > >
> > > > >   Check that you have the correct simics version in
> > > > > $GEMS/common/Makefile.common, around line 46:
> > > > >
> > > > > SIMICS_VERSION += -DSIMICS_2_2
> > > > >
> > > > > Good luck,
> > > > > Javi
> > > > >
> > > > > Nikolaos wrote:
> > > > >
> > > > >
> > > > >     Yes, about 4 times...
> > > > >
> > > > > I am using
> > > > >
> > > > > ./configure CC=/usr/lib/gcc-3.3
> > > > >
> > > > > and I am using g++-3.3 in the GEMS Makefiles
> > > > >
> > > > > Nikolas
> > > > >
> > > > >
> > > > > Quoting Dan Gibson <degibson@xxxxxxxx>:
> > > > >
> > > > >
> > > > >
> > > > >       Have your run the Simics configure step?
> > > > > cd $GEMS/simics/x86-linux
> > > > > ../configure
> > > > >
> > > > > Regards,
> > > > > Dan Gibson
> > > > >
> > > > > nikolaos@xxxxxxxxxx wrote:
> > > > >
> > > > >
> > > > >
> > > > >         Hello again,
> > > > >
> > > > > I had to format my PC and I changed my linux distribution to Ubuntu. I am
> > > > >
> > > > >
> > > > >       trying
> > > > >
> > > > >
> > > > >         to setup GEMS again but I am having some problems that I haven't
> > > > >           
> > > been
> > >       
> > > > > able
> > > > >
> > > > >
> > > > >       to
> > > > >
> > > > >
> > > > >         solve. From what I understand something goes wrong during the
> > > > > linking
> > > > >
> > > > >
> > > > >       process.
> > > > >
> > > > >
> > > > >         I am using gcc 3.3, Simics 2.2.17 and GEMS 1.2
> > > > >
> > > > > The output I am getting from the 2 modules is:
> > > > >
> > > > > >From Ruby:
> > > > >
> > > > > Template closure done
> > > > > Made module
> > > > > make[1]: Leaving directory `/media/gems/programs/sparc/ruby'
> > > > > Ruby: Linking simics module
> > > > > cd ../simics/x86-linux/lib; make ruby
> > > > > make[1]: Entering directory
> > > > > `/media/gems/programs/sparc/simics-2.2.17/x86-linux/lib'
> > > > > === Building module "ruby" using the 2.0 API ===
> > > > > make[1]: *** [ruby] Error 2
> > > > > make[1]: Leaving directory
> > > > > `/media/gems/programs/sparc/simics-2.2.17/x86-linux/lib'
> > > > > make: *** [all] Error 2
> > > > >
> > > > >
> > > > > >From Opal:
> > > > >
> > > > > Made module
> > > > > make[1]: Leaving directory `/media/gems/programs/sparc/opal'
> > > > > Opal: Linking simics module
> > > > > cd ../simics/x86-linux/lib; make opal
> > > > > make[1]: Entering directory
> > > > > `/media/gems/programs/sparc/simics-2.2.17/x86-linux/lib'
> > > > > === Building module "opal" using the 2.0 API ===
> > > > > gmake[2]: Circular
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >           
> > /home/nikolas/gems/programs/sparc/simics/x86-linux/obj/include/simics/module_id.c
> >     
> > > > >         <-
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >           
> > /home/nikolas/gems/programs/sparc/simics/x86-linux/obj/include/simics/module_id.c
> >     
> > > > >         dependency dropped.
> > > > > Linking opal.so
> > > > > /media/gems/programs/sparc/simics-2.2.17/x86-linux/lib/opal.so:
> > > > > /media/gems/programs/sparc/simics-2.2.17/x86-linux/lib/opal.so: undefined
> > > > > symbol: _Z20initvar_dispatch_setPvP11conf_objectP10attr_valueS3_
> > > > > gmake[2]: ***
> > > > >
> > > > >
> > > > >       [/media/gems/programs/sparc/simics-2.2.17/x86-linux/lib/opal.so]
> > > > >
> > > > >
> > > > >         Error 1
> > > > > gmake[2]: *** Deleting file
> > > > > `/media/gems/programs/sparc/simics-2.2.17/x86-linux/lib/opal.so'
> > > > > make[1]: *** [opal] Error 2
> > > > > make[1]: Leaving directory
> > > > > `/media/gems/programs/sparc/simics-2.2.17/x86-linux/lib'
> > > > > make: *** [module] Error 2
> > > > >
> > > > > I have tried recopying my library files, cleaning up previous makes etc.
> > > > >           
> > > to
> > >       
> > > > >       no
> > > > >
> > > > >
> > > > >         avail. Any suggestions?
> > > > >
> > > > > Thanks in advance,
> > > > >
> > > > > Nikolas
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