Dear folks,
I'm testing a downsized R build - in features and obviously sizes -
for a "modern" flat deployment (eg. like python virtualenv, just to
name one).
Questions:
1) Is flat style possible?
2) With this setup, R and packages can be installed/updated?
3) The directory can be easy renamed or moved?
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I didn't find any official git repo, so I downloaded latest stable
R release (3.6.2), exploring different setups of configure options.
# tested in debian 10
# $ sudo apt-get build-dep r-base
$ mkdir ~/r-virtual
$ cd R-3.6.2/
$ ./configure --prefix=/home/dmedri/r-virtual/ \
--exec-prefix=/home/dmedri/r-virtual/ \
--without-recommended-packages \
--without-cairo \
--without-libtiff \
--without-jpeglib \
--without-x \
--without-aqua \
--without-tcltk \
--disable-rpath
$ make && make install
This minimal R could run inside a container, no desktop just cli,
with just one graphical formats in output (png). Java support was
leaved in. I didn't find options to disable html docs. Recommended
packages were leaved out, for a 2nd stage.
$ cd r-virtual/
$ ./bin/R
The environment was there, "yes" to question 1).
I can install/update packages, obviously with required includes
installed in the system, not fetched online -- a limit, looking at
python pip, partially by design/choice. BTW answer to question 2)
is "yes" for packages, "no" for the core.
Without the "--disable-rpath" option, abs paths break everything
with the easy case of "renaming r-virtual directory". IMHO this option
should be a general default, and another "yes" to question 3).
While I'm still investigating, tips are welcome...
HTH
Best Regards,
DM
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