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SubjectRe: linux-next: Tree for December 8 (drivers/platform/x86/Kconfig:422:error: recursive dependency detected!)
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On Wed, Dec 8, 2010 at 9:17 AM, Sedat Dilek <sedat.dilek@googlemail.com> wrote:
> Hi,
>
> just wanted to build a new linux-next and see this:
>
> [ setup.log ]
> ...
> dileks.1" make -C 'debian/build/source_i386_none'
> O='/home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/build_i386_none_686'
> oldnoconfig
> make[2]: Entering directory
> `/home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/source_i386_none'
>  HOSTCC  scripts/basic/fixdep
>  HOSTCC  scripts/basic/docproc
>  GEN     /home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/build_i386_none_686/Makefile
>  HOSTCC  scripts/kconfig/conf.o
>  HOSTCC  scripts/kconfig/kxgettext.o
>  SHIPPED scripts/kconfig/zconf.tab.c
>  SHIPPED scripts/kconfig/lex.zconf.c
>  SHIPPED scripts/kconfig/zconf.hash.c
>  HOSTCC  scripts/kconfig/zconf.tab.o
>  HOSTLD  scripts/kconfig/conf
> scripts/kconfig/conf --oldnoconfig Kconfig
> drivers/platform/x86/Kconfig:422:error: recursive dependency detected!
> drivers/platform/x86/Kconfig:422:       symbol EEEPC_WMI depends on ACPI_WMI
> drivers/platform/x86/Kconfig:438:       symbol ACPI_WMI is selected by ACER_WMI
> drivers/platform/x86/Kconfig:18:        symbol ACER_WMI depends on LEDS_CLASS
> drivers/leds/Kconfig:10:        symbol LEDS_CLASS is selected by EEEPC_WMI
> warning: (ADB_PMU_LED && MACINTOSH_DRIVERS && ADB_PMU || ATH5K &&
> NETDEVICES && WLAN && ATH_COMMON && (PCI || ATHEROS_AR231X) &&
> MAC80211 || ATH9K && NETDEVICES && WLAN && ATH_COMMON && PCI &&
> MAC80211 || ATH9K_HTC && NETDEVICES && WLAN && ATH_COMMON && USB &&
> MAC80211 || CARL9170_LEDS && NETDEVICES && WLAN && ATH_COMMON &&
> CARL9170 || INPUT_WISTRON_BTNS && !S390 && INPUT && INPUT_MISC && X86
> && !X86_64 || SENSORS_APPLESMC && HWMON && INPUT && X86 ||
> SENSORS_LIS3LV02D && HWMON && ACPI && INPUT || IR_WINBOND_CIR &&
> MEDIA_SUPPORT && X86 && PNP && RC_CORE || BACKLIGHT_ADP8860 &&
> HAS_IOMEM && BACKLIGHT_LCD_SUPPORT && BACKLIGHT_CLASS_DEVICE && I2C ||
> MSM_STAGING && STAGING && !STAGING_EXCLUDE_BUILD && FB && ARCH_MSM &&
> !FB_MSM || ASUS_LAPTOP && X86 && X86_PLATFORM_DEVICES && ACPI &&
> !ACPI_ASUS && INPUT && (RFKILL || RFKILL=n) || THINKPAD_ACPI && X86 &&
> X86_PLATFORM_DEVICES && ACPI && INPUT && (RFKILL || RFKILL=n) ||
> EEEPC_LAPTOP && X86 && X86_PLATFORM_DEVICES && ACPI && INPUT &&
> EXPERIMENTAL && (RFKILL || RFKILL=n) && HOTPLUG_PCI || EEEPC_WMI &&
> X86 && X86_PLATFORM_DEVICES && ACPI_WMI && INPUT && EXPERIMENTAL &&
> BACKLIGHT_CLASS_DEVICE && (RFKILL || RFKILL=n)) selects LEDS_CLASS
> which has unmet direct dependencies (NEW_LEDS)
> #
> # configuration written to .config
> #
> make[2]: Leaving directory
> `/home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/source_i386_none'
> env -u ABINAME -u ARCH -u FEATURESET -u FLAVOUR -u VERSION -u
> LOCALVERSION DISTRIBUTION_OFFICIAL_BUILD=1
> DISTRIBUTION_UPLOADER=sedat.dilek@gmail.com
> DISTRIBUTION_VERSION="2.6.37~rc5-1~next20101208.dileks.1" make -C
> 'debian/build/source_i386_none'
> O='/home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/build_i386_none_686'
>  prepare
> make[2]: Entering directory
> `/home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/source_i386_none'
>  GEN     /home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/build_i386_none_686/Makefile
> scripts/kconfig/conf --silentoldconfig Kconfig
> drivers/platform/x86/Kconfig:422:error: recursive dependency detected!
> drivers/platform/x86/Kconfig:422:       symbol EEEPC_WMI depends on ACPI_WMI
> drivers/platform/x86/Kconfig:438:       symbol ACPI_WMI is selected by ACER_WMI
> drivers/platform/x86/Kconfig:18:        symbol ACER_WMI depends on LEDS_CLASS
> drivers/leds/Kconfig:10:        symbol LEDS_CLASS is selected by EEEPC_WMI
> warning: (ADB_PMU_LED && MACINTOSH_DRIVERS && ADB_PMU || ATH5K &&
> NETDEVICES && WLAN && ATH_COMMON && (PCI || ATHEROS_AR231X) &&
> MAC80211 || ATH9K && NETDEVICES && WLAN && ATH_COMMON && PCI &&
> MAC80211 || ATH9K_HTC && NETDEVICES && WLAN && ATH_COMMON && USB &&
> MAC80211 || CARL9170_LEDS && NETDEVICES && WLAN && ATH_COMMON &&
> CARL9170 || INPUT_WISTRON_BTNS && !S390 && INPUT && INPUT_MISC && X86
> && !X86_64 || SENSORS_APPLESMC && HWMON && INPUT && X86 ||
> SENSORS_LIS3LV02D && HWMON && ACPI && INPUT || IR_WINBOND_CIR &&
> MEDIA_SUPPORT && X86 && PNP && RC_CORE || BACKLIGHT_ADP8860 &&
> HAS_IOMEM && BACKLIGHT_LCD_SUPPORT && BACKLIGHT_CLASS_DEVICE && I2C ||
> MSM_STAGING && STAGING && !STAGING_EXCLUDE_BUILD && FB && ARCH_MSM &&
> !FB_MSM || ASUS_LAPTOP && X86 && X86_PLATFORM_DEVICES && ACPI &&
> !ACPI_ASUS && INPUT && (RFKILL || RFKILL=n) || THINKPAD_ACPI && X86 &&
> X86_PLATFORM_DEVICES && ACPI && INPUT && (RFKILL || RFKILL=n) ||
> EEEPC_LAPTOP && X86 && X86_PLATFORM_DEVICES && ACPI && INPUT &&
> EXPERIMENTAL && (RFKILL || RFKILL=n) && HOTPLUG_PCI || EEEPC_WMI &&
> X86 && X86_PLATFORM_DEVICES && ACPI_WMI && INPUT && EXPERIMENTAL &&
> BACKLIGHT_CLASS_DEVICE && (RFKILL || RFKILL=n)) selects LEDS_CLASS
> which has unmet direct dependencies (NEW_LEDS)
>  Using /home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/source_i386_none
> as source for kernel
>  GEN     /home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/build_i386_none_686/Makefile
>  CHK     include/linux/version.h
>  UPD     include/linux/version.h
>  CHK     include/generated/utsrelease.h
>  UPD     include/generated/utsrelease.h
>  CC      kernel/bounds.s
>  GEN     include/generated/bounds.h
>  CC      arch/x86/kernel/asm-offsets.s
>  GEN     include/generated/asm-offsets.h
>  CALL    /home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/source_i386_none/scripts/checksyscalls.sh
> make[2]: Leaving directory
> `/home/sd/src/linux-2.6/linux-2.6.37-rc5/debian/build/source_i386_none'
> make[1]: Leaving directory `/home/sd/src/linux-2.6/linux-2.6.37-rc5'
>
> Regards,
> - Sedat -
> --
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>

Hum ...
ACER_WMI:
select ACPI_WMI
depends on LEDS_CLASS
depends on NEW_LEDS

EEEPC_WMI:
depends on ACPI_WMI
select LEDS_CLASS
select NEW_LEDS

I don't really see how it's a recursive dependency, but maybe it's
time to clean this KConfig.
What is our current policy about that ?

I think we should *depends* on important subsystem (ACPI, INPUT, ...)
and select obscure things so
that the driver does not get lost if you don't enable the leds.

depends:
- ACPI
- INPUT
- EXPERIMENTAL
- RFKILL
- ACPI_WMI ?
- HWMON ?
- THERMAL ?

select:
- BACKLIGHT_CLASS_*
- LEDS_CLASS
- NEW_LEDS
- INPUT_*

--
Corentin Chary
http://xf.iksaif.net
--
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