An update: The RStudio bug that causes problems here is triggered by
setting "Automatically activate project-local Python environments" in
the Python global option. Unsetting that checkbox stops /usr/local/bin
from being prepended.
I've decided not to try to work around this in rgl's configure script.
Duncan Murdoch
On 2024-06-15 2:13 p.m., Duncan Murdoch wrote:
RStudio is causing problems for rgl builds. In particular, on my M3
system, I have installed the arm64 binaries and tools in
/opt/R/arm64/bin as recommended, and builds work fine if I run them in a
shell with that directory first in the PATH.
However, when I try to do builds in RStudio, they fail. I think this is
because it prepends /usr/local/bin to my PATH before configuring, and
the rgl configure script finds the x86_64 versions of some files before
the arm64 ones, and they don't work. So then rgl thinks I don't have
X11 libs available, and builds as though I don't.
This isn't the right place to ask how to fix RStudio. I've already done
that in one of their forums, and I already know how to build rgl outside
of it. However, I do get complaints from users who try to build rgl and
have the builds fail (e.g. https://github.com/dmurdoch/rgl/issues/423),
and I'd like to make the configure script resilient against this sort of
problem. (And this might not be RStudio specific: there are lots of
ways to end up with a PATH that doesn't have things in the right order.)
So here are my questions:
- What is the correct way in a package configure script (or
configure.ac, since I use autoconf) to determine that the build is
happening on an arm64 Mac?
- Is it correct in a configure script to force the arm64 directory to
be first? If so, how do I do that?
- How do I determine if the user really did install the arm64 files to
/opt/R/arm64/bin?
- Should I really be doing this, or is my system broken since my
/usr/local/bin directory contains things it shouldn't, or should I just
tell people to put /opt/R/arm64/bin first in their PATH?
Duncan Murdoch
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