dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

	On Thu, Jun 15, 2006 at 05:51:20PM +0200, Beni Stamm wrote:
> In src/lib/Makefile.am on the below mentioned line there is already
> 
> libdolfin_la_LIBADD  = @DOLFIN_LTLIBOBJS@

src/lib/Makefile.am should look as follows:

  INCLUDES             = @KERNEL_CFLAGS@
  lib_LTLIBRARIES      = libdolfin.la
  libdolfin_la_SOURCES = 
  libdolfin_la_LIBADD  = @DOLFIN_LTLIBOBJS@ @DOLFIN_EXT_LIBS@
  libdolfin_la_DEPENDENCIES = @DOLFIN_LTLIBOBJS@

The change I made yesterday was to add @DOLFIN_EXT_LIBS@ to fix
some compilation problems related to linking of PETSc libraries.

If this does not work for everyone, we'll just roll back the fix and
find another solution. Can anyone else confirm this problem?

Garth, did you do a configure + make clean + make install and it still
doesn't work?

> (without @DOLFIN_EXT_LIBS@)
> So, I just added the @DOLFIN_EXT_LIBS@ to check the other possibility. but
> while
> running ./scripts/preconfigure the following error occurs

This is a known bug in the script preconfigure. You need to run

    scripts/preconfigure

without the ./ or otherwise it will break... It's a stupid test to see
from where the script is run. I didn't have time to find a better
solution when I wrote it:

CHECK=`echo $0 | cut -d'/' -f1`
if [ "$CHECK" != "scripts" ]; then
        echo "This script must be run from the top level directory."
        exit 1
fi

If anyone has a better solution, just name it.

/Anders


> iacspc79:/Users/stamm/Documents/dolfin-0.6.1 stamm# ./scripts/preconfigure
> This script must be run from the top level directory.
> 
> Although I running this command from the dolfin-0.6.1-level. 
> And I tested with only (without scripts/preconfigure):
> configure
> make 
> make install
> make demo
> 
> and it doesn't solve the problem.
> 
> ben
> 
> 
> On Jun 15, 2006, at 5:30 PM, Anders Logg wrote:
> 
> 
>     Strange... works for me. I checked it before committing.
> 
>     Does it work if you change in src/lib/Makefile.am on the line
> 
>     libdolfin_la_LIBADD  = @DOLFIN_LTLIBOBJS@ @DOLFIN_EXT_LIBS@
> 
>     Remove @DOLFIN_EXT_LIBS@ and then run scripts/preconfigure and
>     configure.
> 
>     Does it work then?
> 
>     /Anders
> 
>     On Thu, Jun 15, 2006 at 05:02:46PM +0200, Garth N. Wells wrote:
> 
>         Looks like something got messed up with the changes (made today) to how
>         libraries are linked. I can't link anything, and get the error
> 
>         . . . . /libdolfin.so: undefined reference to `MAIN__'
>         collect2: ld returned 1 exit status
>         make: *** [dolfin-poisson] Error 1
> 
> 
>         Garth
> 
>         On Thu, 2006-06-15 at 15:39 +0200, Beni Stamm wrote:
> 
>             Hello,
>             I've just successfully compiled dolfin on my mac osx 10.5
>             (intel-based). everything worked fine.
>             I also did successfully "make demo" but while executing for example
>             "dolfin-poisson" the 
>             following error occurs:
> 
> 
>             iacspc79:/Users/stamm/Documents/dolfin-0.6.1/src/demo/pde/poisson
>             root# ./dolfin-poisson 
>             dyld: Symbol not found: _PETSC_COMM_WORLD
>               Referenced from: /usr/local/lib/libdolfin.0.dylib
>               Expected in: flat namespace
> 
> 
>             Trace/BPT trap
> 
> 
>             Is there a conflict between _PETSC_COMM_WORLD  and 
>             _MPI_COMM_WORLD?
>             Do I have
>             to change something in my petsc/mpi installation? Does anyone knows
>             how to handle this
>             problem?
> 
> 
>             thanks for your answer
> 
> 
>             benjamin stamm
> 
> 
>             p.s.  I had to downgrade the gcc compiler from 4.2 to 4.0.1 as the
>             4.2
>             seems to be more strict than the older versions
>             (I had some errors during compilation).
> 
> 
> 
> 
>             _________________________________________________________
> 
> 
>             Benjamin Stamm
>             Modeling and Scientific Computing
>             CMCS-IACS-EPFL                      
>             Station 8                                   
>             CH-1015 Lausanne                   
>             Switzerland                              
> 
> 
>             Tel: +41 21 693 55 09, 
>             http://iacs.epfl.ch/~stamm/
>             _________________________________________________________
> 
> 
> 
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> _________________________________________________________
> 
> Benjamin Stamm
> Modeling and Scientific Computing
> CMCS-IACS-EPFL                      
> Station 8                                   
> CH-1015 Lausanne                   
> Switzerland                              
> 
> Tel: +41 21 693 55 09, 
> http://iacs.epfl.ch/~stamm/
> _________________________________________________________
> 
> 

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