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Dirk Eddelbuettel wrote:
> Could be the compiler, could be R.  FWIW the debian/rules specifies gcc 4.2
> as per
> 
> 
> # edd 03 Apr 2006  switch to gfortran
> # edd 04 Apr 2006  use optimflags, build per-compiler flags later
> # edd 26 Jun 2007  need 4.2 for fortran linking
> fortrancompiler       = F77=gfortran-4.2
> compiler      = gcc-4.2
> cxxcompiler   = g++-4.2
> optimflags    = -O3 -pipe
> 
> 
> and those variables are used later in the configure and make calls.
> 
> Another possible source of trouble could be if you mix local and external
> packages with different compilers, though it's been a while that I've seen
> trouble from that.  But maybe life is trickier on amd64 -- dunno.

Okay. I have only a few packages that are from CRAN (as opposed to the
Debian repos), but the only packages that are loaded at startup are the
basic ones that load out of the box on R. Comparing the output to
starting R through valgrind on 32bit Debian, the problem seems to be
early in the startup sequence. On the 32bit, there is lots of valgrind
output when base, methods, etc. are loaded that the 64bit evidently
never gets to in my case.

Thanks,
Ben
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