dolfin team mailing list archive

[Johan Hake <hake@xxxxxxxxx>]

On Friday 27 February 2009 21:46:14 mspieg wrote:
> Hi All,
>     I've been running into similar problems on macosx with the JIT
> compiler for Dolfin Functions in PyDolfin
>
> info:
> python-2.5 from the enthought distribution
> OS is macosx-10.4.11 intel.
> swig-1.3.36
> Dolfin 0.9.1 (development version)
> FFC 0.6.1 (development version)
> instant (dev version etc...)

...and ufc dev version? Just to be sure ;)

> running something like the restriction-interpolation demo, I get
>
> Calling FFC just-in-time (JIT) compiler, this may take some time... done
> Creating Python extension (compiling and linking), this may take some
> time... done
> Calling FFC just-in-time (JIT) compiler, this may take some time... done
> Creating Python extension (compiling and linking), this may take some
> time... done
> Calling DOLFIN Function just-in-time (JIT) compiler, this may take
> some time...In instant.recompile: The module did not compile, see '/
> tmp/tmpVKDvoA2009-2-27-15-07_instant/
> dolfin_compile_function_227f8d92341151df5a32d2c19fc7a041/compile.log'
>
> looking at the log file, the issue seems to be that the compiler is
> using the options
>
> g++ -arch i386 -arch ppc -isysroot /Developer/SDKs/MacOSX10.4u.sdk -g
> -bundle -undefined dynamic_lookup blah blah blah

I do not think we add this flag. This is probably added by python distutils. 
We do add this manually for both ufc and dolfin when compiling the python 
extension module. Here we use scons as build system. 

> which appends /Developer/SDKs/MacOSX10.4u.sdk/  in front of some of
> my dynamic library paths which generates missing symbols etc. etc (in
> addition, I don't want to build for ppc but that doesn't seem as
> serious)
>
> In particular, my openmpi libraries happen to be in  /Applications/
> mpich/openmpi-1.2.8/lib
>
> but ld  complains:
>
> warning can't open dynamic library: /Developer/SDKs/MacOSX10.4u.sdk/
> Applications/mpich/openmpi-1.2.8/lib/libmpi_cxx.0.dylib
> referenced from: /Users/mspieg/mspieg/hg_repositories/FEniCS/
> srcFEniCS/dolfin/local/lib/libdolfin.dylib (checking for undefined
> symbols may be affected) (No such file or directory, errno = 2)
>
> and then generates a pile of missing MPI symbols.
>
> All the c++ demos work as does some of the mesh and plotting python
> demos.  Unfortunately, projection from python is just what I need
> (and I'm hoping there's an easy fix)

I am not a power mac user so I do not know exactly whats going on here. 


Johan