[Rd] bnlearn package compilation failure on MacOSX

Marco Scutari marco.scutari at gmail.com
Thu Oct 4 23:44:11 CEST 2007

On Thu 04/10/07, Simon Urbanek wrote:
> It was not deliberate. The current  R build (R 2.6.0) was modified
> to use -std=gnu99 in the CC section for both architectures instead
> of using CFLAGS, that should solve  the problem. A work around for
> older R is to set PKG_CFLAGS=-std=gnu99 when installing bnlearn.


> However, note  that C99 compiler is  not required for R  so it may
> not  be  available.  Since  you don't  really  need  any  advanced
> functionality of C99, it may be a good idea to change it to a more
> portable C code.

That's what I'm going to do; it's now on the top of my TODO list. 

>> Is  it safe  to  force gcc  to  use C99  with  either -std=c99  o
>> -std=gnu99?
> Not  in  your  package  as  cannot  assume  gcc  in  general,  but
> temporarily for R 2.5.1 on OS X, yes.

Thanks for the clarification.

Marco Scutari                               
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