[R-pkg-devel] new package version fails on r-devel fedora clang

[Dirk Eddelbuettel]

On 7 October 2025 at 20:07, Ivan Krylov via R-package-devel wrote:
| Clang is programmed to print a message saying "PLEASE submit a bug
| report" when it receives an unexpected fatal signal. Here, the fatal
| signal is SIGXCPU, delivered by the kernel because of the 90-minute
| per-process CPU time limit set for the job [0]. This is not a crash,
| you can see this for yourself using something like
| 
| ( ulimit -S -t 2; R -q -s -e 'repeat runif(100)' )
| 
| The bits of information we have are Ttotal=19394.68s [1], the R CMD
| check output [2] saying that R CMD INSTALL tool 94 minutes of real time
| but 323 minutes of userspace plus kernel CPU time, and 00install.log
| saying that the processes being stopped for going over the limit are
| compiling rcpp_bcRel_dec.cpp and rcpp_bc_int.cpp.

Most excellent work. I suspected this, but was not careful enough: I looked
for SIGKILL so 'today I learned' about SIGXCPU.

My recommendation ended up being the same though: those files should to be
smaller / simpler.

Dirk

-- 
dirk.eddelbuettel.com | @eddelbuettel | edd using debian.org