[Bioc-devel] gfortran instead of g77 ?

Hi Korbinian,

(I've cc'ed to bioc-devel where, I think, we can benefit from more 
feedback.)

Dear Herve,

 

 o The -Wall flag is back. We've been using it for the 1.8 builds
   since February.
   It's back in the 1.9 builds too. I will also try to add the
   -pedantic flag if this can lead to even more usefull compiler
   messages.
   

I have another suggestion for BioC 1.9 and 1.10:  would it be possible
that in the Linux tool chain instead of the (obsolete) "g77" you
now use the "gfortran" compiler?

"gfortran" is the official Fortran 95 compiler and is part of
gcc 4 (http://gcc.gnu.org/wiki/GFortran).

R itself compiles perfectly with "gfortran", but unfortunately not all
BioC packages (e.g. impute). So having "gfortran" as default this would
probably lead to more compatible Fortran code...
 

When we build R on our Build System machines, we let the 'configure' script
pick up the right compilers for us.
The default search for the Fortran compiler is described here
  http://cran.r-project.org/doc/manuals/R-admin.html#Using-FORTRAN)

So, g77 will be picked up on a Linux systems with gcc 3 (e.g. SUSE 9.2) and
it will be gfortran on a Linux system with gcc 4 (e.g. SUSE 10.0).

Compare the BUILD output for the DNAcopy package on gopher5 (SUSE 9.2)
vs gladstone (SUSE 10.0):
  http://bioconductor.org/checkResults/1.9/gopher5/DNAcopy.buildsrc.html
  http://bioconductor.org/checkResults/1.9/gladstone/DNAcopy.buildsrc.html

To make this more clear, more details about the platforms used on our
Build System machines will be available on the build/check report soon...
Thanks for your feedback.
Best,

H.

------------------------
Herv? Pag?s
E-mail: hpages at fhcrc.org
 Phone: (206) 667-5791
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