The problems that I have encountered with blas/lapack are due to
unresolved symbols as you describe. They are not consistent across
versions: version 3.0-039 of lapack generates this error but not
version 3.0-020. I can't install more recent versions of blas/lapack
- eg version 3.1-xxx - because this requires more recent versions of
the C and Fortran libraries which are not compatible with current
versions of OpenSuse, SLED, Mepis, Xandros and older versions of
Ubuntu (I haven't tried this yet in 7.04). Relying upon an old
version of lapack is a nuisance because my systems keep on trying to
update it (I can't get the "keep" command to work properly).
I have only tried gretl fully on Ubuntu 6.06, which caused the
problems that I described. But note that 6.06 is an LTS (long term
support) version so that cautious users would be inclined to stick
with it for reasons of stability.
With respect to libpng I was trying to install gretl 1.6.5 from the
website rpm in different Suse systems. I don't like recompiling
programs unless it is absolutely necessary. The repositories were
unable to resolve the dependencies for libpng and I could not do it
manually because the trail became too difficult.
Distributing a version of gretl including troublesome libraries
(along the lines of the Windows and Mac versions) would be fine for
most people provided that the order in which libraries are searched
can be controlled - I am not sufficiently familiar with the way in
which Linux does this to be sure since my programming was all done on
much older systems.
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