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To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: libgrass: undefined symbols from libm
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Package: libgrass
Version: 6.0.1-1+b1
Severity: normal


Hi,

here is the problem:

$ ldd -r /usr/lib/grass/lib/libgrass_gis.6.0.1.so
undefined symbol: log   (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: sqrt  (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: ceil  (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: floor (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: cos   (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: sin   (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: atan2 (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: exp   (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: tan   (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: atan  (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: acos  (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
undefined symbol: hypot (/usr/lib/grass/lib/libgrass_gis.6.0.1.so)
        linux-gate.so.1 =>  (0xffffe000)
        libz.so.1 => /usr/lib/libz.so.1 (0x41eb9000)
        libgrass_datetime.so => /usr/lib/grass/lib/libgrass_datetime.so 
(0x4216c000)
        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0x41d53000)
        /lib/ld-linux.so.2 (0x80000000)

Could you please link libgrass_gis with libm ?


-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (100, 'unstable'), (99, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.15-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages libgrass depends on:
ii  fftw2 [fftw2-double]      2.1.3-16.2     Library for computing Fast Fourier
ii  libc6                     2.3.5-11       GNU C Library: Shared libraries an
ii  libgdal1c2a               1.2.6-1.3      Geospatial Data Abstraction Librar
ii  libglu1-xorg [libglu1]    6.9.0.dfsg.1-2 Mesa OpenGL utility library [X.Org
ii  libncurses5               5.5-1          Shared libraries for terminal hand
ii  libtiff4                  3.7.4-1        Tag Image File Format (TIFF) libra
ii  proj                      4.4.9d-2       Cartographic projection filter and
ii  xlibmesa-gl [libgl1]      6.9.0.dfsg.1-2 Mesa 3D graphics library [X.Org]
ii  zlib1g                    1:1.2.3-9      compression library - runtime

libgrass recommends no packages.

-- no debconf information

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Date: Tue, 31 Jan 2006 14:20:04 +0100
From: Francesco Paolo Lovergine <[EMAIL PROTECTED]>
To: "Francesco P. Lovergine" <[EMAIL PROTECTED]>
Cc: Laurent Bonnaud <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
Subject: Re: Bug#346467: [DebianGIS-dev] Bug#346467: libgrass: undefined 
symbols from libm
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On Fri, Jan 13, 2006 at 11:41:06AM +0100, Francesco P. Lovergine wrote:
> On Thu, Jan 12, 2006 at 03:22:58PM +0100, Laurent Bonnaud wrote:
> > > ldd /usr/lib/grass/lib/libgrass_gis.6.0.1.so
> > >         linux-gate.so.1 =>  (0xffffe000)
> > >         libz.so.1 => /usr/lib/libz.so.1 (0xb7ee4000)
> > >         libgrass_datetime.so => /usr/lib/grass/lib/libgrass_datetime.so 
> > > (0xb7edc000)
> > >         libc.so.6 => /lib/tls/libc.so.6 (0xb7da5000)
> > >         /lib/ld-linux.so.2 (0x80000000)
> > 
> > You did not use the "-r" switch.  Do you get the same result with it?
> > 
> > > The same with the experimental package.
> > > Would you please reinstall from scratch the sid pkg?
> > 
> > The md5sum of my file should be the same as yours:
> > 
> > $ md5sum /usr/lib/grass/lib/libgrass_gis.6.0.1.so
> > 6d8ef9b38c1ce694bae212058a63b540  /usr/lib/grass/lib/libgrass_gis.6.0.1.so
> > 
> > > What distribution are you using?
> > 
> > sid, updated every day, and some packages from experimental.
> > 
> 
> Yes I see the same unresolved. I suspect the libm is differently
> resolved, btw. There's something about in the autoconf scripts, I need
> to check...
> 

Ok, ext function relocs are resolved by ld.so at run-time. You will find a
tons of solibs working the same around in /usr/lib/... They are indeed
resolved because the library is linked by the ELF using that lib.
I think that's a ld 'feature'. So closing.

-- 
Francesco P. Lovergine

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