CMakeLists.txt

# Copyright (c) 2020 The ZMK Contributors
# SPDX-License-Identifier: MIT

target_include_directories(app boards/shields/pockettype)

Error

-- Adding zmk-config shields directory
CMake Error at /workspaces/zmk-config/keyboards/zmk-config/config/CMakeLists.txt:4 (target_include_directories):
  Cannot specify include directories for target "app" which is not built by
  this project.

zmk_config.cmake

if (ZMK_CONFIG)
	set(ENV{ZMK_CONFIG} "${ZMK_CONFIG}")
	if(EXISTS ${ZMK_CONFIG}/boards)
		message(STATUS "Adding ZMK config directory as board root: ${ZMK_CONFIG}")
		list(APPEND BOARD_ROOT ${ZMK_CONFIG})
	endif()
	if(EXISTS ${ZMK_CONFIG}/dts)
		message(STATUS "Adding ZMK config directory as DTS root: ${ZMK_CONFIG}")
		list(APPEND DTS_ROOT ${ZMK_CONFIG})
	endif()
	if(EXISTS ${ZMK_CONFIG}/CMakeLists.txt)
		message(STATUS "Adding zmk-config shields directory")
		add_subdirectory(${ZMK_CONFIG} ${CMAKE_BINARY_DIR}/zmk_config)
	endif()
endif()