Re: Avoid certain spurious `testsuite' rebuilds

[Paul Eggert]

Noah Misch <address@hidden> writes:

> With this patch, mktests.sh runs for each edit in lib/autoconf/*.m4
> but only touches output files that have changed.  This eliminates
> the spurious rebuilds.

I've written my fair share of patches that do something similar, for
other programs, and have often lived to regret it.  I'd rather avoid
this sort of "file X is actually a time stamp for file Y" business
unless the efficiency issue really is a major one.