On Saturday 18 December 2010, Ralf Wildenhues wrote: > [MEGA CUT] > > > > > > # Don't redefine several times the same variable. > > > > > > -cp Makefile.am Makefile.src > > > > > > +cp -f Makefile.am Makefile.src > > > > > > > > > > Why should you need this change? Generally, I don't see why you ever > > > > > need 'cp -f'. > > > > > > > > > I dimly remember that I used to think there were cp implementations > > > > which > > > > might prompt if stdout/stderr is a tty and the dest file exists, unless > > > > the `-f' option is used.. > > > > > > That is true, but when you run a test, there is no tty involved. > > That part (about the tty) is not true. Sorry about that. > OK, noted.
> > Even when I run it from the shell prompt? > > cp should only ever prompt when given -i. That may happen through a > shell alias. But aliases are not normally enabled in scripts. > OK, then I'll keep the `cp -f' change reverted. > If and when we find a cp that does prompt from a script, > Let's hope we never do. > then we can think of going back to this; but only after amending > autoconf.texi (which, by the way, also documents that some old cp > versions do not accept -f at all). > I've now merged the patch into master, and pushed. Thanks, Stefano
