On Sat, Jul 12, 2025 at 6:08 PM Lynn Winebarger <owinebar@gmail.com> wrote:
> However, in a parallel build, I am now seeing the cus-load.el target
> get run twice simultaneously, so that one instance will exit with a
> file lock error and stop the build.

I am not sure why the generate-ja-dic target in lisp/Makefile.in
depends on custom-deps, but that seems to be the cause of the race
condition.  At least the attached patch appears to eliminate the
problem (and the random segfaults for that matter) in a parallel make.

Lynn