[R] making Rmath.dll

[Prof Brian D Ripley]

On Tue, 10 Apr 2001, Thomas Stockton wrote:

> R folk,
>
> Win2k
> gcc-2.95.2
> perl 5.6.0
> R 1.2.2
>
> I am trying to make Rmath.dll using the instructions in README in
> /R/src/nmath/standalone and get the following error:
>
> bash-2.04$ make -f Makefile.win
> cp -p ../*.c .
> d:/gcc-2.95.2/bin/make.exe -f Makefile.win cpy
> make.exe[1]: Entering directory `d:/R/src/nmath/standalone'
> cp -p ../*.c .
> make.exe[1]: Leaving directory `d:/R/src/nmath/standalone'
> d:/gcc-2.95.2/bin/make.exe -f Makefile.win makeMakedeps
> make.exe[1]: Entering directory `d:/R/src/nmath/standalone'
> making mlutils.d from mlutils.c
> mlutils.c:21: config.h: No such file or directory
> make.exe[1]: *** [mlutils.d] Error 1
> make.exe[1]: Leaving directory `d:/R/src/nmath/standalone'
> d:\gcc-2.95.2\bin\make.exe: *** [all] Error 2
>
> I see in mlutils.c the code causing the problem:
>
> #ifdef HAVE_CONFIG_H
> # include "config.h"
> #endif
>
> and in Makefile.win where HAVE_CONFIG_H is set:
>
> CFLAGS=$(OPTFLAGS) -I../include -DHAVE_CONFIG_H
>
> It would appear that I need a config.h. I see a shell script in
> /R/src/gnuwin32/include/config.h.in which looks like a potential solution. I
> must be missing a step but in reviewing R docs and help archives I can figure
> out what it is.

Under Windows you are expected to build R first, which installs config.h.
I think

cd .../src/gnuwin32/fixed
make

will suffice.

Under Unix you need to at least configure R first.  In short, you can't
jump into a single directory in the middle of R and expect things to work
in isolation.


-- 
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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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