Luckfox Forums

make -C /home/user/Luckfox-pico/luckfox-pico/sysdrv/source/kernel ARCH=arm CROSS_COMPILE=arm-rockchip830-linux-uclibcgnueabihf- luckfox_rv1106_linux_defconfig
make[1]: Entering directory '/home/user/Luckfox-pico/luckfox-pico/sysdrv/source/kernel'
HOSTCC scripts/basic/fixdep
HOSTCC scripts/kconfig/conf.o
HOSTCC scripts/kconfig/confdata.o
HOSTCC scripts/kconfig/expr.o
LEX scripts/kconfig/lexer.lex.c
/bin/sh: 1: flex: not found
scripts/Makefile.host:9: recipe for target 'scripts/kconfig/lexer.lex.c' failed
make[2]: *** [scripts/kconfig/lexer.lex.c] Error 127
Makefile:627: recipe for target 'luckfox_rv1106_linux_defconfig' failed
make[1]: *** [luckfox_rv1106_linux_defconfig] Error 2
make[1]: Leaving directory '/home/user/Luckfox-pico/luckfox-pico/sysdrv/source/kernel'
Makefile:398: recipe for target 'kernel' failed
make: *** [kernel] Error 2
make: Leaving directory '/home/user/Luckfox-pico/luckfox-pico/sysdrv'
[build.sh:error] Running build_sysdrv failed!
[build.sh:error] exit code 2 from line 523:

It seems that you're missing the flex tool, which is used to generate lexical analyzers. Please try installing it with the following commands: Also, please strictly follow our SDK's official documentation. We include the flex tool when installing environment dependencies. If you're using a different Ubuntu distribution version, you can compile using Docker. Normally, compilation errors should not occur. https://wiki.luckfox.com/Luckfox-Pico/Luckfox-Pico-SDK/