Hi, On Wed, Apr 18, 2012 at 6:12 AM, James Hogan <james.hogan@xxxxxxxxxx> wrote: > Hi, > > Is it a bug in kbuild if I have a .config produced by make menuconfig, > use savedefconfig to create a compact config file, and the defconfig > produces a different .config to the original .config file? > > I've attached a simple Kconfig patch based on v3.4-rc3 to help reproduce > it (easier than finding another example of it), and an initial .config: > > $ git apply defconfig_problem.patch > $ cp defconfig_problem_in.config .config > $ make oldconfig > $ make savedefconfig > $ cp defconfig arch/x86/configs/my_defconfig > $ make my_defconfig > > finally: > > $ diff -U0 .config defconfig_problem_in.config > --- .config 2012-04-18 11:04:59.631964466 +0100 > +++ defconfig_problem_in.config 2012-04-18 10:43:44.423896052 +0100 > @@ -1685 +1685 @@ > -CONFIG_USB_GADGET_DWC_OTG=m > +CONFIG_USB_GADGET_DWC_OTG=y > I would assume there is something wrong with kconfig. That would not surprise me. That said, for the sake of asking, which tree are you playing with ? There is no such USB_GADGET_DWC_OTG in Linus' tree: % git describe v3.4-rc3 % git grep USB_GADGET_DWC_OTG % Thanks, - Arnaud > CONFIG_USB_GADGET_DWC_OTG is part of a tristate choice, and it doesn't > happen if CONFIG_USB_DWC_OTG=n (which depends on CONFIG_USB_GADGET_DWC_OTG). > > Is it a bug or is something wrong with the dependencies in the Kconfig > files? > > Thanks > James -- 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
