[Rd] Re: [R] Nothing can be pasted...
Prof Brian Ripley
Prof Brian Ripley <email@example.com>
Thu, 28 Sep 2000 13:51:12 +0100 (BST)
> Date: Thu, 28 Sep 2000 14:28:31 +0200 (CEST)
> From: gb <firstname.lastname@example.org>
> Compiling R-1.1.1 on RedHat Linux 7.0 gives lots of warnings like
> In file included from tabulate.c:24:
> ../../src/include/config.h:192:21: warning: nothing can be pasted after
> this token
> which I didn't see with RH6.2. However, R seems to run just fine
> nevertheless. The offending line in config.h is
> #define DYNLOADEXT "." ## SHLIBEXT
> I'm not too familiar with C programming, but if ## SHLIBEXT
> is meant as a comment, shouldn't it be surrounded by /* */?
A bit more on this. I understood from PD's recent post that RH7.0 uses
gcc 2.96, even though that is not yet released accoring to the gcc site
(gcc.gnu.org) has as NEWS for Sept 11, 2000:
Neil Booth has contributed a new lexer and macro-expander for the C
preprocessor. The lexer makes a single pass over the source files,
whereas previously it made two. The macro expander works without
re-scanning for nested macros to expand, and operates on lexical tokens
instead of text strings.
ISO C, C++, and Objective C use the new preprocessor. Traditional (K+R)
C, Fortran, and Chill use an older implementation (taken from GCC 1)
which obeys the rules for pre-standard C preprocessing. Either version
may be used to preprocess assembly language.
I wonder if this is a problem with using a beta compiler?
Brian D. Ripley, email@example.com
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 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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