On Mon, Sep 1, 2014 at 11:24 AM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > Hi Konstantin, > > On Mon, Sep 1, 2014 at 9:16 AM, Konstantin Khlebnikov <koct9i@xxxxxxxxx> wrote: >> This is second attempt of fixing target archecture amnesia. >> v1 patch: http://lkml.kernel.org/r/20140706080234.19520.96704.stgit@zurg >> >> First version saved ARCH as CONFIG_DEFAULT_ARCH and used it as defult ARCH. >> >> This version changes semantic of Kconfig option env="...", now it acts more >> like the user input, except that the value comes from the environment. >> Variable from environment overrides all defaults and value from config file. >> If environment variable is not defined this option has no effect. >> >> So, now ARCH is saved as CONFIG_ARCH. >> >> Also this patchset links CONFIG_CROSS_COMPILE and CROSS_COMPILE in the same way. >> Changing it in command line/environment also updates value in the config file. > > Thanks, I haven't tried this yet, but it looks promising! > > For the record, right now I use a GNUmakefile (which takes precedence over > the Makefile) in the build directory containing e.g. Heh, I've used and seen a lot of such hacks. GNUmakefile also might include Makefile after defining environment. > > MAKEARGS = ARCH=arm CROSS_COMPILE=arm-unknown-linux-gnueabi- > > MAKEFLAGS += --no-print-directory > > .PHONY: all $(MAKECMDGOALS) > > all := $(filter-out all Makefile,$(MAKECMDGOALS)) > > all: > $(MAKE) $(MAKEARGS) $(all) -f Makefile > > Makefile:; > > $(all) %/: all > @: > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds -- 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
