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 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html