R_LATEXCMD is defined in R_HOME/etc/Renviron (sourced by R CMD), and
conditionally re-defined in Rd2dvi.
On a sub-architecture build such as the CRAN MacOS distribution that will
be R_HOME/etc/<arch>/Renviron, and on that distribution it is defined as
'false'. So you do need to define to a proper value in your environment,
e.g. put R_LATEXCMD=latex in your ~/.Renviron file.
It might be worth discussing on R-sig-mac why the default is not 'latex'.
This is what is done on Windows, another system on which a TeX
installation is optional.
On Mon, 10 Nov 2008, Rolf Turner wrote:
If I execute
R CMD Rd2dvi foo.Rd
I get messages of the form:
Converting Rd files to LaTeX ...
foo.Rd
Creating dvi output from LaTeX ...
Saving output to 'foo.dvi' ...
cp: .Rd2dvi4366/Rd2.dvi: No such file or directory
Done
xdvi-xaw: Fatal error: foo.dvi: No such file.
Indeed if I add the --no-clean flag and then cd to the .Rd2dvi<whatever>
directory, I find that there is no Rd2.dvi file there. There *are*
files Rd2.tex and Rd2.tex.pre present. And moreover if I execute
latex Rd2
I get a perfectly acceptable Rd2.dvi file.
I don't find a file ``foo.dvi'' anywhere.
Note that ``R CMD Rd2dvi --pdf foo.Rd'' works seamlessly and produces foo.pdf
as expected.
When I look at the sh code in Rd2dvi I get the impression that ``R_LATEXCMD''
is defined only when the --pdf flag is on, and it seems that this is what is
or should be used to do the actual latex processing. The comments at the
point where the latex processing looks like it is taking place refer to
``R_LATEXCMD'' being ***re*** defined for --pdf, but as far as I can the
only place where it is defined at all is for the --pdf case. But I could be
wrong since I don't really understand what is going on here.
I'm sure that R CMD Rd2dvi (without the --pdf flag) worked for me in the
past.
Something seems to have changed as consequence of an upgrade. Has a bug
crept
into R CMD Rd2dvi or is there something weird about my system? I'm currently
using R 2.8.0; complete session information is:
R version 2.8.0 (2008-10-20)
i386-apple-darwin8.11.1
locale:
C
attached base packages:
[1] datasets utils stats graphics grDevices methods base
other attached packages:
[1] misc_0.0-9 fortunes_1.3-5 MASS_7.2-44
Can anyone suggest where to start looking for the source of my problem?
Thanks.
cheers,
Rolf Turner
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