On 03/28/11 12:14, Shyam_Iyer@Dell.com wrote: > > >> -----Original Message----- >> From: Randy Dunlap [mailto:randy.dunlap@oracle.com] >> Sent: Monday, March 28, 2011 11:02 AM >> To: Jesse Barnes >> Cc: Matthew Garrett; K, Narendra; viro@zeniv.linux.org.uk; >> sfr@canb.auug.org.au; linux-kernel@vger.kernel.org; linux- >> next@vger.kernel.org; Iyer, Shyam; Domsch, Matt; Rose, Charles; >> Hargrave, Jordan >> Subject: Re: [PATCH] Fix build failure when CONFIG_NLS is set to 'm' by >> allmodconfig >> >> On Fri, 4 Mar 2011 10:15:09 -0800 Jesse Barnes wrote: >> >>> On Wed, 23 Feb 2011 13:17:34 +0000 >>> Matthew Garrett wrote: >>> >>>> On Wed, Feb 23, 2011 at 06:24:31PM +0530, Narendra_K@Dell.com >> wrote: >>>> >>>>> This patch fixes the following build breakage introduced by the >> patch >>>>> '[PATCH V3] Export ACPI _DSM provided firmware instance number >> and string to >>>>> sysfs'. >>>> >>>> First, you should include this as part of your original patch so >> that >>>> the build doesn't break during bisection. >>>> >>>>> This is fixed by making fs/nls/nls_base.c compile conditionally >> into >>>>> vmlinux by introducing a new config option CONFIG_NLS_BASE which >> is >>>>> selected by (ACPI || DMI || NLS). >>>> >>>> Why? >>>> >>>>> -obj-$(CONFIG_NLS) += nls/ >>>>> +obj-y += nls/ >>>> >>>> You seem to have just broken building any of the NLS code as >> modules. >>>> >>>>> menuconfig NLS >>>>> tristate "Native language support" >>>>> + select NLS_BASE >>>> >>>> All CONFIG_NLS does is build nls_base. >>>> >>>>> +config NLS_BASE >>>>> + bool "Base NLS functions" >>>>> + depends on ACPI || DMI >>>> >>>> What in this code depends on ACPI or DMI? >>>> >>>>> -obj-$(CONFIG_NLS) += nls_base.o >>>>> +obj-$(CONFIG_NLS_BASE) += nls_base.o >>>> >>>> And why make this change? >>>> >>>> Just have something like >>>> >>>> select NLS if (ACPI || DMI) >>>> >>>> in drivers/pci/Kconfig. >>> >>> Narendra, can you send me an updated patch including the build fix? >>> Either using this approach or the other one I outlined in my other >> mail. >> >> >> This driver still has build failures in linux-next 20110328. >> >> pci-label.c:(.text+0x9a40): undefined reference to `utf16s_to_utf8s' >> >> CONFIG_NLS=m > > I don't get this.. you should not be getting CONFIG_NLS=m unless you have stripped you config files really.. :-) Is it possible to get your .config to hit this issue. I haven't stripped any config files -- but they are randconfig files. Two (2) config files that cause build failures are attached. -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***