west build -b qemu_x86 $PWD/samples/hello_world

-- west build: build configuration:

       source directory: /home/michele/devel/zephyr/samples/hello_world

       build directory: /home/michele/devel/zephyr/build

       BOARD: qemu_x86 (origin: command line)

-- west build: generating a build system

Zephyr version: 2.1.0

-- Selected BOARD qemu_x86

-- Found west: /home/michele/.local/bin/west (found suitable version "0.6.3", minimum required is "0.6.0")

CMake Error at /home/michele/devel/zephyr/cmake/zephyr_module.cmake:45 (message):

  Traceback (most recent call last):

 

    File "/home/michele/devel/zephyr/scripts/zephyr_module.py", line 167, in <module>

      main()

    File "/home/michele/devel/zephyr/scripts/zephyr_module.py", line 158, in main

      process_module(project, cmake_out_file, kconfig_out_file)

    File "/home/michele/devel/zephyr/scripts/zephyr_module.py", line 68, in process_module

      pykwalify.core.Core(source_data=meta, schema_data=schema)\

    File "/home/michele/.local/lib/python3.7/site-packages/pykwalify/core.py", line 114, in __init__

      raise CoreError(u"No source file/data was loaded")

 

  pykwalify.errors.CoreError: <CoreError: error code 3: No source file/data

  was loaded: Path: '/'>

 

Call Stack (most recent call first):

  /home/michele/devel/zephyr/cmake/app/boilerplate.cmake:458 (include)

  CMakeLists.txt:5 (include)

 

 

-- Configuring incomplete, errors occurred!

ERROR: command exited with status 1: /usr/bin/cmake -B/home/michele/devel/zephyr/build -S/home/michele/devel/zephyr/samples/hello_world -GNinja -DBOARD=qemu_x86

Any idea?

Thanks