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make[5]: Entering directory '/home/sanliang/workspace/openwrt1/openwrt/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7620/linux-3.18.45'
scripts/kconfig/conf --silentoldconfig Kconfig
net/sched/Kconfig:43: warning: menuconfig statement without prompt
#
# configuration written to .config
#
CHK include/config/kernel.release
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
CALL scripts/checksyscalls.sh
Building modules, stage 2.
MODPOST 101 modules
drivers/media/v4l2-core/v4l2-common.o: Invalid argument
scripts/Makefile.modpost:90: recipe for target '__modpost' failed
make[6]: *** [__modpost] Error 1
Makefile:1101: recipe for target 'modules' failed
make[5]: *** [modules] Error 2
make[5]: Leaving directory '/home/sanliang/workspace/openwrt1/openwrt/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7620/linux-3.18.45'
Makefile:26: recipe for target '/home/sanliang/workspace/openwrt1/openwrt/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7620/linux-3.18.45/.modules' failed
make[4]: *** [/home/sanliang/workspace/openwrt1/openwrt/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/linux-ramips_mt7620/linux-3.18.45/.modules] Error 2
make[4]: Leaving directory '/home/sanliang/workspace/openwrt1/openwrt/target/linux/ramips'
Makefile:13: recipe for target 'compile' failed
make[3]: *** [compile] Error 2
make[3]: Leaving directory '/home/sanliang/workspace/openwrt1/openwrt/target/linux'
target/Makefile:21: recipe for target 'target/linux/compile' failed
make[2]: *** [target/linux/compile] Error 2
make[2]: Leaving directory '/home/sanliang/workspace/openwrt1/openwrt'
target/Makefile:16: recipe for target '/home/sanliang/workspace/openwrt1/openwrt/staging_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/stamp/.target_compile' failed
make[1]: *** [/home/sanliang/workspace/openwrt1/openwrt/staging_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/stamp/.target_compile] Error 2
make[1]: Leaving directory '/home/sanliang/workspace/openwrt1/openwrt'
/home/sanliang/workspace/openwrt1/openwrt/include/toplevel.mk:181: recipe for target 'world' failed
在编译openwrt过程中遇到以上错误，分析我在编译之前的操作，我尝试配置openwrt支持IIC驱动，由于在之前的资料中，menuconfig的时候，不需要既make menuconfig又make kernel_menuconfig配置IIC，这样同时操作，可能会有错误，于是我取消了kernel_menuconfig中对IIC的配置，再次编译，以上错误问题解决。