On 2014-06-10 11:50, Sam Ravnborg wrote: >> >> The variable is assinged with a ":=", not a "?=", so you can't change it >> from outside, can you? > > Variables assigned with ":=" can be changed like this: > > $ cat Makefile > FOO := fisk > $(info FOO=$(FOO)) > all: > @: > > $ FOO=bar make > FOO=fisk > > $ make FOO=bar > FOO=bar > > > The first is the same as using an environment variable. > The latter is a special make syntax. I see. But do we want to encourage people to change the value? IMO There should be some "change this variable only if you know what you are doing" warning. Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html