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#
# try to find X11 on UNIX systems.
#
# The following values are defined
# X11_INCLUDE_DIR - where to find X11.h
# X11_LIBRARIES - link against these to use X11
# X11_FOUND - True if X11 is available
# X11_Xext_FOUND - True if the X11 extensions are available.
IF (UNIX)
FIND_PATH(X11_INCLUDE_DIR X11/X.h
/usr/include
/usr/local/include
/usr/openwin/include
/usr/openwin/share/include
/usr/X11R6/include
/usr/include/X11
/opt/graphics/OpenGL/include
)
FIND_LIBRARY(X11_X11_LIBRARY X11
/usr/lib
/usr/local/lib
/usr/openwin/lib
/usr/X11R6/lib
)
FIND_LIBRARY(X11_Xext_LIBRARY Xext
/usr/lib
/usr/local/lib
/usr/openwin/lib
/usr/X11R6/lib
)
IF(X11_INCLUDE_DIR)
IF(X11_X11_LIBRARY)
SET( X11_FOUND "YES" )
SET( X11_LIBRARIES ${X11_X11_LIBRARY} )
ENDIF(X11_X11_LIBRARY)
IF(X11_Xext_LIBRARY)
SET( X11_LIBRARIES ${X11_LIBRARIES} ${X11_Xext_LIBRARY} )
SET( X11_Xext_FOUND "YES")
ENDIF(X11_Xext_LIBRARY)
ENDIF(X11_INCLUDE_DIR)
# Deprecated variable fro backwards compatibility with CMake 1.4
SET (X11_LIBRARY ${X11_X11_LIBRARY})
ENDIF (UNIX)
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