On Thu, 14 Dec 2006, Barry Rowlingson wrote: [Silently discarding the answer to his question, and breaching 'fair use' copyright provisions.]
>> So the problem is that you needed rather >> >> #include <R.h> >> #ifdef USING_R >> x = rand_unif(0.0,1.0); >> #else >> #include <gsl_random.h> >> x = gsl_runif(0.0,1.0); >> #endif >> >> since if R.h is not around, the include will not include it. > If R.h is not around, the preprocessor will throw a tantrum: If *no* R.h is around: easy to solve. > cc -c -o simple.o simple.c > simple.c:2:15: error: R.h: No such file or directory > > - all of which would be solved if SHLIB and BUILD set a preprocessor flag to > indicate compilation by R. What is BUILD? > I dont see what use USING_R is. If you #include <R.h> you get it, but then > you know you're USING_R because you included R.h, hence USING_R is going to > always be defined in that code (unless the inclusion of R.h is conditional on > something else...). > > Oh but of course I've missed something... Just tell me what... You've clipped it from my previous mail, with no indication. As the posting guide points out, this is reprehensible. -- Brian D. Ripley, [EMAIL PROTECTED] 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 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
