[R] Configuring with gcc3

[Göran Broström]

I'm trying to build the latest snapshot of  R  on RedHat 7.2 with gcc3, 
g77-3 and g++3, which correspond to gcc version 3.04 (is this a bad 
idea?).
I made the required changes in config.site (CC=gcc3, CFLAGS=-g -O2, 
F77=g77-3, FFLAGS=O2, CXX=c++3), but  ./configure  gives warnings:

-------------------------------------------------------------------------
R is now configured for i686-pc-linux-gnu

  Source directory:          .
  Installation directory:    /usr/local
  C compiler:                gcc3  -D__NO_MATH_INLINES -mieee-fp -g -O2
  C++ compiler:              c++3  
  FORTRAN compiler:          g77-3  -O2

  X11 support:               yes
  Gnome support:             yes
  Tcl/Tk support:            yes
  Readline support:          yes

  R profiling support:       yes
  R as a shared library:     yes

configure: WARNING: I could not determine CXXPICFLAGS
configure: WARNING: I could not determine SHLIB_CXXLDFLAGS
-----------------------------------------------------------------------

I guess I have to set these guys manually. What are proper values?

Thanks,

Göran
-- 
 Göran Broström                      tel: +46 90 786 5223
 professor                           fax: +46 90 786 6614
 Department of Statistics            http://www.stat.umu.se/egna/gb/
 Umeå University
 SE-90187 Umeå, Sweden             e-mail: gb at stat.umu.se

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