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diff -up ./libs/hwdrivers/CMakeLists.txt.freenect ./libs/hwdrivers/CMakeLists.txt
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--- ./libs/hwdrivers/CMakeLists.txt.freenect	2015-11-03 16:51:17.000000000 -0500
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+++ ./libs/hwdrivers/CMakeLists.txt	2016-02-06 10:43:44.185261874 -0500
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@@ -47,9 +47,9 @@ ENDIF(CMAKE_MRPT_HAS_INTERSENSE)
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 IF(CMAKE_MRPT_HAS_FREENECT)
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 	IF (CMAKE_MRPT_HAS_FREENECT_SYSTEM)
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 		# No need to build if it's already built in the system:
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-		IF (NOT "${OPENKINECT_FREENECT_INCLUDE_DIR}" STREQUAL "")
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-			INCLUDE_DIRECTORIES("${OPENKINECT_FREENECT_INCLUDE_DIR}")
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-		ENDIF (NOT "${OPENKINECT_FREENECT_INCLUDE_DIR}" STREQUAL "")
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+		IF (NOT "${PKG_LIBFREENECT_INCLUDE_DIRS}" STREQUAL "")
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+			INCLUDE_DIRECTORIES("${PKG_LIBFREENECT_INCLUDE_DIRS}")
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+		ENDIF (NOT "${PKG_LIBFREENECT_INCLUDE_DIRS}" STREQUAL "")
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 	ELSE (CMAKE_MRPT_HAS_FREENECT_SYSTEM)
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 		# Embedded version:
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 		INCLUDE_DIRECTORIES("${MRPT_LIBS_ROOT}/hwdrivers/src/libfreenect/")
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@@ -135,7 +135,6 @@ ENDIF(CMAKE_MRPT_HAS_DUO3D)
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 IF(CMAKE_MRPT_HAS_OPENNI2)
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 	include_directories(${OPENNI2_INCLUDE_DIRS})
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-	ADD_DIRECTORIES_AS_ISYSTEM(OPENNI2_INCLUDE_DIRS)
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 ENDIF(CMAKE_MRPT_HAS_OPENNI2)
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 IF(CMAKE_MRPT_HAS_SWISSRANGE)