boards organization

cmake/px4_git.cmake

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+############################################################################
+#
+# Copyright (c) 2017 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.
+#
+############################################################################
+
+include(CMakeParseArguments)
+include(px4_base)
+
+#=============================================================================
+#
+#	Defined functions in this file
+#
+# 	utility functions
+#
+#		* px4_add_git_submodule
+#
+
+#=============================================================================
+#
+#	px4_add_git_submodule
+#
+#	This function add a git submodule target.
+#
+#	Usage:
+#		px4_add_git_submodule(TARGET <target> PATH <path>)
+#
+#	Input:
+#		PATH		: git submodule path
+#
+#	Output:
+#		TARGET		: git target
+#
+#	Example:
+#		px4_add_git_submodule(TARGET git_nuttx PATH "NuttX")
+#
+function(px4_add_git_submodule)
+	px4_parse_function_args(
+		NAME px4_add_git_submodule
+		ONE_VALUE TARGET PATH
+		REQUIRED TARGET PATH
+		ARGN ${ARGN})
+
+	set(REL_PATH)
+
+	if(IS_ABSOLUTE ${PATH})
+		file(RELATIVE_PATH REL_PATH ${PX4_SOURCE_DIR} ${PATH})
+	else()
+		file(RELATIVE_PATH REL_PATH ${PX4_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${PATH})
+	endif()
+
+	execute_process(
+		COMMAND Tools/check_submodules.sh ${REL_PATH}
+		WORKING_DIRECTORY ${PX4_SOURCE_DIR}
+		)
+
+	string(REPLACE "/" "_" NAME ${PATH})
+	string(REPLACE "." "_" NAME ${NAME})
+
+	add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/git_init_${NAME}.stamp
+		COMMAND Tools/check_submodules.sh ${REL_PATH}
+		COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/git_init_${NAME}.stamp
+		DEPENDS ${PX4_SOURCE_DIR}/.gitmodules ${PATH}/.git
+		COMMENT "git submodule ${REL_PATH}"
+		WORKING_DIRECTORY ${PX4_SOURCE_DIR}
+		USES_TERMINAL
+		)
+
+	add_custom_target(${TARGET} DEPENDS git_init_${NAME}.stamp)
+endfunction()