Re: [Gems-users] (no subject)

[Dan Gibson <degibson@xxxxxxxx>]

The problem seems to be due to *where* the build process is looking for 
the object files:
/home/nikolas/gems/programs/sparc/simics/../ruby/x86-linux/generated//obj/

Notice the double /. It *should* be looking in 
x86-linux/generated/[PROTOCOL]/obj, but obviously the protocol string 
appears to be blank. I don't think this is an Ubuntu problem or a gcc 
problem, but something going wrong somewhere in the Makefiles.
Are you properly defining the PROTOCOL Makefile variable on the command 
line?
The path above is specified by ruby's module makefile, in 
gems/ruby/module/Makefile. Can you verify that the paths are correctly 
set for Simics 2.2.17 in that file? It would seem that, somehow, the 
definition of PROTOCOL is not surviving to reach that makefile.
Regards,
Dan

nikolaos@xxxxxxxxxx wrote:
> I did eliminate the symlinks. No change noticed.
> The obj directory exists in MOSI_SMP_bcast directory and is full of object files
> while the make is happening, but it is being removed at the end of the process.
>
> Quoting 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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