[Rd] forcing R CMD COMPILE
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Mar 23 22:59:00 CET 2005
On Wed, 23 Mar 2005, Pedro Ribeiro de Andrade Neto wrote:
> Let me tell an example.
> I found the bayesSurv package in CRAN. It has some .cpp and .h files, and
> doesn't have a makefile. I did the following steps:
> 1. compile the package (R CMD INSTALL)
> 2. write something in /src/List.cpp (only add an empty line)
> 3. recompile package (INSTALL)
> it works, OK.
> 4. write something in /src/List.h
> 5. recompile
> it does nothing. List.cpp was not changed and so R says List.o is up
> to date, right?
> Is there any way to tell R that List.o depends on List.h???
> I think it is not an R problem, because Makefiles can check it. My
> question is: I know that List.o is not up to dated, because I changed
> List.h, and my Makefile recognizes it. But if I tell R to compile List.cpp
> again using COMPILE, it will say that the file is up to date, and won't
> compile it. So, the only way to check dependencies, as I can see, is using a
> Makefile, and compiling .cpp files without any R help. Is it true?
As I said before, COMPILE is not the correct tool. Please don't expect me
to keep repeating myself.
BTW, R CMD INSTALL under Windows does build dependencies, and you have not
specified your platform here.
> On Wed, 23 Mar 2005, Prof Brian Ripley wrote:
>> On Wed, 23 Mar 2005, Pedro Ribeiro de Andrade Neto wrote:
>>> On Wed, 23 Mar 2005, Prof Brian Ripley wrote:
>>>> On Wed, 23 Mar 2005, Pedro Ribeiro de Andrade Neto wrote:
>>>>> I am developing a package with a lot of C++ code, and I have a question
>>>>> about R CMD COMPILE. As I can see, when the package's Makefile calls
>>>>> R CMD COMPILE foo.cpp
>>>> Why does your package have a Makefile? And why is it calling COMPILE and
>>>> not SHLIB?
>>> My package has a Makefile because I need to compile 16 .cpp files. After
>>> it, I call R CMD SHLIB.
>> R CMD SHLIB would do that for you. Many packages using multiple .cpp
>> files have no Makefile. Please study the many examples on CRAN.
>> Brian D. Ripley, ripley at stats.ox.ac.uk
>> 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
Brian D. Ripley, ripley at stats.ox.ac.uk
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
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