Re: unmet direct dependencies in -next

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Am 10.08.2015 um 11:10 schrieb Lee Jones:
> On Sun, 09 Aug 2015, Richard Weinberger wrote:
> 
>> Hi!
>>
>> -next faces some build issues on UML because of unmet direct dependencies.
>> Mostly due to HAS_IOMEM and I2C.
>>
>> warning: (MEDIA_SUBDRV_AUTOSELECT && VIDEO_CX231XX && INV_MPU6050_IIO) selects I2C_MUX which has unmet direct dependencies (I2C && HAS_IOMEM)
>> warning: (ST_IRQCHIP && HIP04_ETH && STMMAC_PLATFORM && DWMAC_IPQ806X && DWMAC_LPC18XX && DWMAC_ROCKCHIP && DWMAC_SOCFPGA && DWMAC_STI && TI_CPSW && PINCTRL_ROCKCHIP &&
>> PINCTRL_DOVE && POWER_RESET_KEYSTONE && POWER_RESET_SYSCON && POWER_RESET_SYSCON_POWEROFF && S3C2410_WATCHDOG && VIDEO_OMAP3 && VIDEO_S5P_FIMC && RTC_DRV_AT91SAM9 && VIDEO_OMAP4 &&
>> HWSPINLOCK_QCOM && ATMEL_ST && QCOM_GSBI) selects MFD_SYSCON which has unmet direct dependencies (HAS_IOMEM)
>> warning: (MEDIA_SUBDRV_AUTOSELECT && VIDEO_CX231XX && INV_MPU6050_IIO) selects I2C_MUX which has unmet direct dependencies (I2C && HAS_IOMEM)
>> warning: (ST_IRQCHIP && HIP04_ETH && STMMAC_PLATFORM && DWMAC_IPQ806X && DWMAC_LPC18XX && DWMAC_ROCKCHIP && DWMAC_SOCFPGA && DWMAC_STI && TI_CPSW && PINCTRL_ROCKCHIP &&
>> PINCTRL_DOVE && POWER_RESET_KEYSTONE && POWER_RESET_SYSCON && POWER_RESET_SYSCON_POWEROFF && S3C2410_WATCHDOG && VIDEO_OMAP3 && VIDEO_S5P_FIMC && RTC_DRV_AT91SAM9 && VIDEO_OMAP4 &&
>> HWSPINLOCK_QCOM && ATMEL_ST && QCOM_GSBI) selects MFD_SYSCON which has unmet direct dependencies (HAS_IOMEM)
>>
>> For example MFD_SYSCON cannot build on UML as it depends on HAS_IOMEM.
>> While the symbol MFD_SYSCON has correct dependencies some users of MFD_SYSCON
>> just issue a "select MFD_SYSCON" and bypass the HAS_IOMEM dependency and causing the build to fail.
>>
>> This brings me to a question on kconfig itself, wouldn't it be better to just disable a symbol if it has
>> unmet direct dependencies?
> 
> If this is a question about "kconfig itself", you should probably have
> included the correct ML and Maintainer:
> 
> KCONFIG
> M:      Michal Marek <mmarek@xxxxxxx>
> L:      linux-kbuild@xxxxxxxxxxxxxxx
> S:      Odd Fixes
> F:      Documentation/kbuild/kconfig-language.txt
> F:      scripts/kconfig/

Isn't this kbuild related? I've added kbuild folks...
But adding Michal now too...

Thanks,
//richard
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