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# Copyright (C) 2013 Daniel Scharrer
#
# This software is provided 'as-is', without any express or implied
# warranty.  In no event will the author(s) be held liable for any damages
# arising from the use of this software.
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
#    claim that you wrote the original software. If you use this software
#    in a product, an acknowledgment in the product documentation would be
#    appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
#    misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
#
#
# Modified 2015 by Robin Krahl -- removed "--filter" and "--project", added
# "--root"
# Original source: https://github.com/dscharrer/innoextract/blob/master/cmake/StyleCheck.cmake

find_package(PythonInterp)

# Add a target that runs cpplint.py
#
# Parameters:
# - TARGET_NAME the name of the target to add
# - SOURCES_LIST a complete list of source and include files to check
function(add_style_check_target TARGET_NAME SOURCES_LIST)
	
	if(NOT PYTHONINTERP_FOUND)
		return()
	endif()
	
	list(SORT SOURCES_LIST)
	list(REMOVE_DUPLICATES SOURCES_LIST)
	
	add_custom_target(${TARGET_NAME}
		COMMAND "${CMAKE_COMMAND}" -E chdir
			"${CMAKE_SOURCE_DIR}"
			"${PYTHON_EXECUTABLE}"
			"${CMAKE_MODULE_PATH}/cpplint.py"
      "--root=include"
			${SOURCES_LIST}
		DEPENDS ${SOURCES_LIST}
		COMMENT "Checking code style."
		VERBATIM
	)
	
endfunction(add_style_check_target)