[Rd] make hanging during compile of r-patched/R-devel on Fedora Core 3

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed May 4 19:15:19 CEST 2005

On Wed, 4 May 2005, Gavin Simpson wrote:

> I had a quick google search for this problem and found a discussion in the 
> redhat mailing list archives that discusses the issue and points to the 
> following bug:
> https://bugzilla.redhat.com/beta/show_bug.cgi?id=138447
> Which describes the behaviour I am experiencing.
> Basically, the LAPACK in FC3 is broken because it was compiled with gcc-3.4 
> and that introduced errors when -O2 optimisations were used to compile the 
> rpm. That bug was recently reopened so there may be the possibility of the 
> FC3 rpm being updated (the underlying problem has been fixed by compiling 
> with lower optimisation).

Yes, that _is_ described in R-admin, and R is itself careful to compile 
the critical routines with -ffloat-store.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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