On 24/06/2021 5:15 a.m., Greg Minshall wrote:
hi.
when developing packages, my current work flow is to change the code,
(re-)build the package, detach/load the package, test (to find the
N+1'st bug, sigh).
the building step takes tens of seconds.
is there an obvious way to present some code to the R command line and
have it replace the appropriate function in a given package?
or, are there other things people do to speed up this process?
Wolfgang pointed out the devtools way to do this. I don't use that for
rgl (a pretty slow 75 second from scratch), but I find R CMD INSTALL
pkgdir works fast enough: if C++ source has already been compiled, it
won't be compiled again, as it would be if I installed from a tarball.
A second build after a clean build takes about 15 seconds. That's
acceptable for me.
A disadvantage of the devtools method is that a regular build after
load_all() seems to do a full 75 sec build: load_all caches things for
itself, but doesn't put them in the same place as a regular build, so
make doesn't see the object files, and rebuilds all of them. Or at
least it did that last time I tried it, a few months ago.
As Dirk said, you can also use command line options to suppress building
vignettes or other things if they take too long.
Duncan Murdoch
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