Re: RCS 5.10.1 fails 6 tests on 2023 Mac Studio with macOS 15.0 Sequoia

[Paul Eggert]

Thanks for reporting that. It looks like the use of 'access' is more 
trouble than it's worth. I'd rather not have to chase down all the uses 
of 'access' that should stay 'access', vs be replaced by 'rpl_access'. I 
now see that RCS actually uses the 'access' function in one spot, too.

The 'access' function is trouble, as it inherently leads to races. It's 
also wrong for setuid programs; we could fix that by using faccessat 
instead but it's not worth the hassle to drag that in from Gnulib (and 
avoid the 'access' module).

I reverted my most recent patch, and installed the attached two patches 
instead. This should cause RCS to not pull in Gnulib's 'access' module, 
and not use the 'access' function.

0001-maint-Stop-using-findprog.patch
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0002-maint-Stop-using-access.patch
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