On Sat, Oct 03, 2015 at 02:11:57PM +0000, Mathieu Desnoyers wrote: > ----- On Oct 3, 2015, at 12:38 AM, dvhart dvhart@xxxxxxxxxxxxx wrote: > > > On Mon, Sep 28, 2015 at 03:16:53AM +0000, Mathieu Desnoyers wrote: > >> ----- On Sep 27, 2015, at 10:10 PM, Wang Long long.wanglong@xxxxxxxxxx wrote: > >> > >> > Some test's Makefile using "$(RM)" while the other's > >> > using "rm -f". It is better to use one of them in all > >> > tests. > >> > >> I agree that this disparity appears to be unwanted. We > >> should settle on one or the other. > >> > >> > > >> > "rm -f" is better, because it is less magic, and everyone > >> > konws what is does. > >> > >> "$(RM)" is clearly defined as a Makefile implicit variable > >> which defaults to "rm -f". > >> Ref. https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html > >> > >> Leaving it as a variable is more flexible because then the > >> default behavior can be overridden if need be, which is > >> not the case of a hardcoded "rm -f". > >> > >> Following your line of argumentation, we should then > >> invoke "gcc" directly in every Makefile because it is > >> less magic than "$(CC)". This makes no sense. > > > > I don't think they can be compared so simply. Specifying a compiler is a common > > use case. Customizing the rm command is not, in my experience anyway, and like > > Michael, I would definately have to look up what RM means. > > > > That said, I care more about consistency than which is used. Both are valid, but > > $(RM), while more flexible, will cost more people time to look up what it does > > as it isn't commonly used than any benefit we're likely to see from its use. > > > > Meh. :-) > > An example is "grm" when you install the opencsw repository > packages on Solaris. In the unlikely example where someone > would have a Solaris machine to build Linux, overriding > various command names, including "rm", can be useful. This > is just one example, there are probably others. Does Solaris rm not support -f? -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
