Re: Moving from IRIX 5.3 to 6.5

From: Pasha Murat (murat@cdfsga.fnal.gov)
Date: Mon May 17 1999 - 23:18:56 MEST


Hi Scott,
	don't get desperate but download ROOT sources and build ROOT from
them using whatever compiler and default options you need on your machine. 
There is a makefile for SGI/EGCS in the source distribution, just modify it 
to use -n32. This would take you about 30 minutes. 
							regards, pasha.

Scott Sampson writes:
 > 
 > Hi,
 > 
 > I compile programs which use ROOT and link with fortran .o files which
 > use cernlib. I did this without problems on IRIX 5.3.
 > 
 > My sysadmin recently upgrade our SGI from IRIX5.3 to IRIX6.5. I assume
 > that I have to use a ROOT version compiled under IRIX6.X, so I download
 > the gcc IRIX6.2 from the website and change my Makefile to use gcc. But
 > when I try compiling I get
 > 
 > ld32: FATAL 12: Expecting n32 objects:
 > /usr5/zeus/sampson/apps/root/lib/libNew.so is o32.
 > 
 > it seems that the rootlibs are not compiled under n32, but the old o32!
 > So I try using the -o32 everywhere, then I get
 > 
 > /usr/bin/ld ERROR:  cannot mix -o32 abi with -n32 abi. But it doesn't say
 > which lib is -n32. (I use cerlib 98 in this case: that's -o32, I believe.
 > when using n32 I use cerlib 99).
 > 
 > Out of desperation I try using the root compiled under CC IRIX5.3, and
 > -o32 everywhere and cern98 and get many warnings and errors, like
 > 
 > ld: WARNING 85: definition of y_gets in /usr/lib/libI77.a(dfe.o) preempts
 > that definition in /usr/lib/libftn.so.
 > ld: Giving up after printing 50 warnings.  Use -wall to print all
 > warnings.
 > ld: ERROR 33: Unresolved text symbol "s_copy" -- 1st referenced by
 > /cern/98/lib/libpdflib.a(structm.o).
 > 
 > so it seems fortran linking doesn't work in this case.
 > 
 > Basically, I want to be able to compile with ROOT and link to fortran
 > CERLIB routines under IRIX 6.5. Can anyone tell me how to do this? 
 > 
 > Thanks,
 > 
 > Scott
 > 
 > 
 > 



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