G4 relocation errors

[Owen Stampflee]

NICE CATCH!

Please submit a bug report. We're in the middle of doing errata (when
I'm not working on YHPC) and I'll try to get this recompiled.

Cheers,
Owen

On Fri, 2005-01-14 at 11:15, Joseph E. Sacco, Ph.D. wrote:
> The relocation errors are the result of mixing position-independent-code
> with non-position-independent-code in a shared library.  The "fix" is to
> rebuild the library making sure that each and every file is compiled
> "-fPIC".
> 
> Once upon a time only PIC code could be used to construct a shared
> library. While this is no longer true,  it is still the safest thing to
> do.
> 
> 
> -Joseph
> 
> ================================================================================
> On Tue, 2005-01-11 at 10:05, Brad Douglas wrote:
> > Hello,
> > 
> > I have recently installed YDL 4.0 (with updates) and I have had some
> > interesting issues compiling software.
> > 
> > With libgeotiff, I get a relocation error on 'strcmp' and with OGDI, I
> > get relocation errors with 'strlen'.
> > 
> > My guess is that this has something to do with 32/64.  GCC and/or glibc?
> > 
> > Here's some output from libgeotiff:
> > 
> > [brad at anisotropy brad]$ uname -rm
> > 2.6.9-1.ydl.8 ppc
> > 
> > [brad at anisotropy]$ gdalinfo
> > gdalinfo: error while loading shared libraries:
> > /opt/gis/lib/libgeotiff.so: R_PPC_REL24 relocation at 0x0f68b06c for
> > symbol `strcmp' out of range
> > 
> > [brad at anisotropy]$ nm /opt/gis/lib/libgeotiff.so.1.2.2 | grep 'U '
> >          U TIFFClientOpen
> >          U TIFFClose
> >          U TIFFFdOpen
> >          U TIFFGetField
> >          U TIFFMergeFieldInfo
> >          U TIFFOpen
> >          U TIFFSetField
> >          U TIFFSetTagExtender
> >          U _TIFFfree
> >          U _TIFFmalloc
> >          U _TIFFmemcpy
> >          U _TIFFmemset
> >          U _TIFFrealloc
> >          U __assert_fail
> >          U __strdup
> >          U __strtod_internal
> >          U __strtol_internal
> >          U abort
> >          U fclose
> >          U fgets
> >          U fopen
> >          U fprintf
> >          U free
> >          U fscanf
> >          U pj_free
> >          U pj_fwd
> >          U pj_init
> >          U pj_inv
> >          U sprintf
> >          U sscanf
> >          U stderr
> >          U stdin
> >          U stdout
> >          U strcasecmp
> >          U strcat
> >          U strchr
> >          U strcmp
> >          U strcpy
> >          U strlen
> >          U strncmp
> >          U strstr
> >          U vsprintf
> > [brad at anisotropy]$
> > 
> > On an unrelated note, I also get the following error in R when trying to
> > calculate Kappa coefficients.  Either this is related to the above
> > errors or LAPACK is broken (or perhaps something else I haven't thought
> > of yet :):
> > 
> > > kappa(h9, exact = TRUE) == max(sv9) / min(sv9)
> > Error in La.svd(x, nu, nv) : LAPACK routine DGEBRD gave error code -10
> > 
> > 
> > Any suggestions for correcting these problems would be greatly
> > appreciated.  Thanks!
> > 
> > 
> > - Brad Douglas
> > 
> > 
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