On Thu, 16 Nov 2006 20:07:41 -0800 Randy Dunlap wrote: > Hi, > > I have a (randconfig) build of 2.6.19-rc5-mm2 with: > > CONFIG_DEBUG_READAHEAD=y > > which selects DEBUG_FS, so DEBUG_FS=y, but DEBUG_FS depends on > SYSFS, and SYSFS is not set in the randconfig. > > This randconfig causes this build error: > > fs/built-in.o: In function `debugfs_init': > inode.c:(.init.text+0xdb2): undefined reference to `kernel_subsys' > > so the question is: > (How) can kconfig follow the dependency chain and either > - prevent this odd config combination or > - see that 'select DEBUG_FS' implies 'select SYSFS' and then enable SYSFS > ? > > I don't believe that the right answer is to add > depends on SYSFS > to DEBUG_READAHEAD. > > > .config is at http://oss.oracle.com/~rdunlap/configs/config-readahead-debugfs
Roman, Here's another one for your consideration. USB_APPLEDISPLAY selects BACKLIGHT_LCD_SUPPORT & BACKLIGHT_CLASS_DEVICE; drivers/backlight/Kconfig depends on SYSFS (but SYSFS=n) http://oss.oracle.com/~rdunlap/configs/config-backlight-appledisplay --- ~Randy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
