Hi, On Wed, Aug 10, 2011 at 2:52 PM, David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote: > On Wed, 2011-08-10 at 14:40 -0400, Arnaud Lacombe wrote: >> so, at best, this buggy behavior is ~ 6 years old. Before that, I'd >> assume that the internal namespace was not accessible by any other >> mean than the front-ends. > > I've been editing .config or doing 's/.*CONFIG_FOO[= ].*/CONFIG_FOO=y/' > on it for a decade before that. With all the same limitations as > all.config, and my new CONFIG_FOO=y command line support. > > How do *you* quickly, from the command line, enable or disable a single > option in an existing config? > >> > Please, if this offends you then by all means go and fix it. A sane way >> > of handling dependencies would give a way to say "do what you need to do >> > in order to enable CONFIG_SATA_MV", and should remove the abomination of >> > 'select', which was introduced purely to work around that lack. >> > >> > But none of that is directly relevant in *this* thread. >> > >> to paraphrase you, I'd say, this might looks "cute but might give >> behavior that people will come to depend on in their scripts and then >> we take it away again", "that's why I'd kind of like to see it done >> *once*, *properly*". > > That's a reasonable concern, but I think it's misplaced in this case. > We're not enabling anything that we're later going to break. I can't see > many people *depending* on the fact that 'make CONFIG_SATA_MV=y > oldconfig' actually does *nothing* in some cases. > you are wrong, you ends up with half-baked compile-time dependency, which break the build: % make allnoconfig drivers/ata/ do nothing, but works. % make CONFIG_SATA_MV=y allnoconfig drivers/ata/ tries to build `drivers/ata/sata_mv.o' and miserably fails. [tested on top of your patches] - Arnaud > When we later, hopefully, get proper dependency resolution, that will > take something that *wasn't* working and make it work. For all.config > and for the command line overrides (and in other places) at the same > time. > > -- > dwmw2 > > -- 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
