CMakeLists.txt extract top level helpers (ccache, doxygen, metadata, etc)

cmake/px4_config.cmake

@@ -0,0 +1,104 @@
+############################################################################
+#
+#   Copyright (c) 2019 PX4 Development Team. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+# find PX4 config
+#  look for in tree board config that matches CONFIG input
+if(NOT PX4_CONFIG_FILE)
+
+	file(GLOB_RECURSE board_configs
+		RELATIVE "${PX4_SOURCE_DIR}/boards"
+		"boards/*.cmake"
+		)
+
+	set(PX4_CONFIGS ${board_configs} CACHE STRING "PX4 board configs" FORCE)
+
+	foreach(filename ${board_configs})
+		# parse input CONFIG into components to match with existing in tree configs
+		#  the platform prefix (eg nuttx_) is historical, and removed if present
+		string(REPLACE ".cmake" "" filename_stripped ${filename})
+		string(REPLACE "/" ";" config ${filename_stripped})
+		list(LENGTH config config_len)
+
+		if(${config_len} EQUAL 3)
+			list(GET config 0 vendor)
+			list(GET config 1 model)
+			list(GET config 2 label)
+
+			set(board "${vendor}${model}")
+
+			# <VENDOR>_<MODEL>_<LABEL> (eg px4_fmu-v2_default)
+			# <VENDOR>_<MODEL>_default (eg px4_fmu-v2) # allow skipping label if "default"
+			if ((${CONFIG} MATCHES "${vendor}_${model}_${label}") OR # match full vendor, model, label
+			    ((${label} STREQUAL "default") AND (${CONFIG} STREQUAL "${vendor}_${model}")) # default label can be omitted
+			)
+				set(PX4_CONFIG_FILE "${PX4_SOURCE_DIR}/boards/${filename}" CACHE FILEPATH "path to PX4 CONFIG file" FORCE)
+				break()
+			endif()
+
+			# <BOARD>_<LABEL> (eg px4_fmu-v2_default)
+			# <BOARD>_default (eg px4_fmu-v2) # allow skipping label if "default"
+			if ((${CONFIG} MATCHES "${board}_${label}") OR # match full board, label
+			    ((${label} STREQUAL "default") AND (${CONFIG} STREQUAL "${board}")) # default label can be omitted
+			)
+				set(PX4_CONFIG_FILE "${PX4_SOURCE_DIR}/boards/${filename}" CACHE FILEPATH "path to PX4 CONFIG file" FORCE)
+				break()
+			endif()
+
+
+			# LEGACY form
+			# <OS>_<BOARD>_<LABEL> (eg nuttx_px4_fmu-v2_default)
+			string(REGEX REPLACE "^nuttx_|^posix_|^qurt_" "" config_no_os ${CONFIG}) # ignore OS prefix
+
+			if ((${config_no_os} MATCHES "${board}_${label}"))
+				set(PX4_CONFIG_FILE "${PX4_SOURCE_DIR}/boards/${filename}" CACHE FILEPATH "path to PX4 CONFIG file" FORCE)
+				break()
+			endif()
+
+
+			# LEGACY form special case to ease board layout transition (2018-11-18)
+			#  match board with model and label only: eg sitl_default -> px4_sitl_default
+			if ((${config_no_os} MATCHES "${model}_${label}"))
+				set(PX4_CONFIG_FILE "${PX4_SOURCE_DIR}/boards/${filename}" CACHE FILEPATH "path to PX4 CONFIG file" FORCE)
+				break()
+			endif()
+
+		endif()
+
+	endforeach()
+endif()
+
+if(NOT PX4_CONFIG_FILE)
+	message(FATAL_ERROR "PX4 config file not set, try one of ${PX4_CONFIGS}")
+endif()
+
+message(STATUS "PX4 config file: ${PX4_CONFIG_FILE}")