On Fri, Jul 16, 2010 at 12:19 PM, Nicolas Pitre <nico@xxxxxxxxxxx> wrote: > On Fri, 16 Jul 2010, Grant Likely wrote: > >> On Fri, Jul 16, 2010 at 10:03 AM, Catalin Marinas >> <catalin.marinas@xxxxxxx> wrote: >> > On Wed, 2010-07-14 at 00:04 +0100, Grant Likely wrote: >> >> - It still doesn't resolve dependencies. A solver would help with this. >> >> For the time being I work around the problem by running the generated >> >> config through 'oldconfig' and looking for differences. If the files >> >> differ (ignoring comments and generateconfig_* options) after oldconfig, >> >> then the <board>_defconfig target returns a failure. (but leaves the >> >> new .config intact so the user can resolve it with menuconfig). This >> >> way at least the user is told when a Kconfig fragment is invalid. >> > >> > It's not a solver but I'm pushing a patch to warn on selecting symbols >> > with unmet dependencies so that you can select further symbols (manual >> > solving). The patch is in linux-next but you also can grab it from: >> > >> > http://git.kernel.org/?p=linux/kernel/git/cmarinas/linux-2.6-cm.git;a=commitdiff_plain;h=5d87db2d2a332784bbf2b1ec3e141486f4d41d6f >> >> sfr and I were talking about your patch the other day. Just warning >> on incomplete dependencies is enough to make it actually workable for >> me (without my ugly post-processing step). I was very happy to hear >> that it is in linux-next. >> >> Last missing piece is being able to do "select FOO = n", which Stephen >> is currently working on. > > Instead of (or in addition to) warning for incomplete > dependencies, I'd much prefer if the prerequisites were recursively > selected automatically. This way if some options are moved inside a > submenu at some point with a config symbol for that subcategory > (e.g. CONFIG_NETDEV_1000), or if the subsystem is reorganized into > submodules that are required for some driver to work, then my > config will still be fine. > > For example, if I want CONFIG_MTD_CMDLINE_PARTS=y, the system may be > smart enough to notice and automatically enable CONFIG_MTD and > CONFIG_MTD_PARTITIONS without having to carry those in the defconfig. I fully agree. However, the warnings make the system work now while we wait for a full solver to be implemented. g. -- 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
