Hi fellows,

When I build uboot for my imx6 wandboard. I got toolchain error, please see detailed below. Previously I can build the uboot month ago.

arch/arm/imx-common/built-in.o: In function `print_cpuinfo': /home/lucid/imx6dl/uboot-imx/arch/arm/imx-common/cpu.c:199: undefined reference to `uclass_get_device' /home/lucid/imx6dl/uboot-imx/arch/arm/imx-common/cpu.c:201: undefined reference to `thermal_get_temp' arch/arm/imx-common/built-in.o: In function `arch_preboot_os': /home/lucid/imx6dl/uboot-imx/arch/arm/imx-common/cpu.c:270: undefined reference to `ldo_mode_set' drivers/built-in.o: In function `read_cpu_temperature': /home/lucid/imx6dl/uboot-imx/drivers/thermal/imx_thermal.c:43: undefined reference to `dev_get_platdata' /home/lucid/imx6dl/uboot-imx/drivers/thermal/imx_thermal.c:45: undefined reference to `dev_get_priv' drivers/built-in.o: In function `imx_thermal_probe': /home/lucid/imx6dl/uboot-imx/drivers/thermal/imx_thermal.c:226: undefined reference to `dev_get_platdata' /home/lucid/imx6dl/uboot-imx/drivers/thermal/imx_thermal.c:227: undefined reference to `dev_get_priv' arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696 arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696 arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696 arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696 arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696 arm-linux-gnueabihf-ld.bfd: error: required section '.rel.plt' not found in the linker script arm-linux-gnueabihf-ld.bfd: final link failed: Invalid operation make: *** [u-boot] Error 1

Thanks! Wenming