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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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    > the body of a message to majordomo@vger.kernel.org
    > More majordomo info at  http://vger.kernel.org/majordomo-info.html
    >

    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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