> On 18 Oct 2015, at 01:12, Rakesh Sharma <sharma...@hotmail.com> wrote: > > Tony Theodore <tony.t <at> me.com> writes: > >> >> Is this a reasonable idea and is there any chance $(else) will have some >> defined value in the future? >> > > This is not at all a good idea, since it's very easy in make to slip in > a variable $(else) whose value whenever it's non-null will cause your > carefully constructed clauses to come crashing down.
Ah! I wasn’t thinking about all the ways a variable could be set. We have reasonable control over inputs at the moment but I’m doing this sweep in preparation for a plugin system where people can load whatever arbitrary makefiles they want... > On 18 Oct 2015, at 01:10, Paul Smith <psm...@gnu.org> wrote: > > "else" as a variable will never have another value. The POSIX standard > for make reserves variables that start with "." and are all capitalized > for the implementation. > > I suppose it's possible that there could be a function $(else ...) > created, but I can't imagine what that would be and it wouldn't conflict > with the variable "else" anyway. > > So, you're good. Thanks, I think I’ll run with it and see what happens. Cheers, Tony _______________________________________________ Help-make mailing list Help-make@gnu.org https://lists.gnu.org/mailman/listinfo/help-make
