error building for Pico

[benevpi]

Hi,

I'm getting the below error when trying to compile for Raspberry Pi Pico. Any ideas what's caused it?

[  0%] Generating bs2_default.bin
[  1%] Generating bs2_default_padded_checksummed.S
make[3]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
[  1%] Built target bs2_default_padded_checksummed_asm
make[3]: Entering directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
make[3]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
make[3]: Entering directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
GEN /home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO/genhdr/mpversion.h
make[3]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
[  1%] Built target BUILD_VERSION_HEADER
make[3]: Entering directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
make[3]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
make[3]: Entering directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
[  1%] Generating genhdr/pins.h, pins_RPI_PICO.c
[  1%] Generating lvgl_all.h
[  1%] Generating lvgl_all.json
make[3]: *** No rule to make target '/home/ben/pybook/ch4/stage/lv_micropython/user_modules/lv_binding_micropython/pycparser/utils/fake_libc_include', needed by 'lv_mp.c.pp'.  Stop.
make[3]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
make[2]: *** [CMakeFiles/Makefile2:1803: CMakeFiles/BUILD_FROZEN_CONTENT.dir/all] Error 2
make[2]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
make[1]: *** [Makefile:91: all] Error 2
make[1]: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2/build-RPI_PICO'
-e See https://github.com/micropython/micropython/wiki/Build-Troubleshooting
make: *** [Makefile:59: all] Error 1
make: Leaving directory '/home/ben/pybook/ch4/stage/lv_micropython/ports/rp2'