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#
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# Find a VTK installation or build tree.
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#
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# The following variables are set if VTK is found. If VTK is not
# found, VTK_FOUND is set to false.
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#
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# VTK_FOUND - Set to true when VTK is found.
# VTK_USE_FILE - CMake source file to setup a project to use VTK.
# VTK_MAJOR_VERSION - The VTK major version number.
# VTK_MINOR_VERSION - The VTK minor version number (odd for non-release).
# VTK_BUILD_VERSION - The VTK patch level (meaningless for odd minor).
# VTK_INCLUDE_DIRS - Include directories for VTK headers.
# VTK_LIBRARY_DIRS - Link directories for VTK libraries.
# VTK_KITS - List of VTK kits, in all CAPS (COMMON, IO, ...).
# VTK_LANGUAGES - List of wrapped languages, in all CAPS (TCL, ...).
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#
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# The following cache entries must be set by the user to locate VTK:
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#
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# VTK_DIR - The directory containing VTKConfig.cmake. This is either
# the root of the build tree, or the lib/vtk
# directory. This is the only cache entry.
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#
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# The following variables are set for backward compatability and
# should not be used in new code:
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#
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# USE_VTK_FILE - The full path to the UseVTK.cmake file. This is provided
# for backward compatability. Use VTK_USE_FILE instead.
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#
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# Construct consitent error messages for use below.
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SET ( VTK_DIR_DESCRIPTION "directory containing VTKConfig.cmake. This is either the root of the build tree, or PREFIX/lib/vtk for an installation. For VTK 4.0, this is the location of UseVTK.cmake. This is either the root of the build tree or PREFIX/include/vtk for an installation." )
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SET ( VTK_DIR_MESSAGE "VTK not found. Set the VTK_DIR cmake cache entry to the ${VTK_DIR_DESCRIPTION}" )
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# Search only if the location is not already known.
IF ( NOT VTK_DIR )
# Get the system search path as a list.
IF ( UNIX )
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STRING ( REGEX MATCHALL "[^:]+" VTK_DIR_SEARCH1 "$ENV{PATH}" )
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ELSE ( UNIX )
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STRING ( REGEX REPLACE "\\\\" "/" VTK_DIR_SEARCH1 "$ENV{PATH}" )
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ENDIF ( UNIX )
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STRING ( REGEX REPLACE "/;" ";" VTK_DIR_SEARCH2 "${VTK_DIR_SEARCH1}" )
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# Construct a set of paths relative to the system search path.
SET ( VTK_DIR_SEARCH "" )
FOREACH ( dir ${ VTK_DIR_SEARCH2 } )
SET ( VTK_DIR_SEARCH ${ VTK_DIR_SEARCH } "${dir}/../lib/vtk" )
ENDFOREACH ( dir )
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# Old scripts may set these directories in the CMakeCache.txt file.
# They can tell us where to find VTKConfig.cmake.
SET ( VTK_DIR_SEARCH_LEGACY "" )
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IF ( VTK_BINARY_PATH AND USE_BUILT_VTK )
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SET ( VTK_DIR_SEARCH_LEGACY ${ VTK_DIR_SEARCH_LEGACY } ${ VTK_BINARY_PATH } )
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ENDIF ( VTK_BINARY_PATH AND USE_BUILT_VTK )
IF ( VTK_INSTALL_PATH AND USE_INSTALLED_VTK )
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SET ( VTK_DIR_SEARCH_LEGACY ${ VTK_DIR_SEARCH_LEGACY }
$ { V T K _ I N S T A L L _ P A T H } / l i b / v t k )
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ENDIF ( VTK_INSTALL_PATH AND USE_INSTALLED_VTK )
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#
# Look for an installation or build tree.
#
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FIND_PATH ( VTK_DIR UseVTK.cmake
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# Support legacy cache files.
$ { V T K _ D I R _ S E A R C H _ L E G A C Y }
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# Look for an environment variable VTK_DIR.
$ E N V { V T K _ D I R }
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# Look in places relative to the system executable search path.
$ { V T K _ D I R _ S E A R C H }
# Look in standard UNIX install locations.
/ u s r / l o c a l / l i b / v t k
/ u s r / l i b / v t k
# Read from the CMakeSetup registry entries. It is likely that
# VTK will have been recently built.
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 1 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 2 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 3 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 4 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 5 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 6 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 7 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 8 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 9 ]
[ H K E Y _ C U R R E N T _ U S E R \ \ S o f t w a r e \ \ K i t w a r e \ \ C M a k e S e t u p \ \ S e t t i n g s \ \ S t a r t P a t h ; W h e r e B u i l d 1 0 ]
# Help the user find it if we cannot.
D O C " T h e $ { V T K _ D I R _ D E S C R I P T I O N } "
)
ENDIF ( NOT VTK_DIR )
# If VTK was found, load the configuration file to get the rest of the
# settings.
IF ( VTK_DIR )
# Make sure the VTKConfig.cmake file exists in the directory provided.
IF ( EXISTS ${ VTK_DIR } /VTKConfig.cmake )
# We found VTK. Load the settings.
SET ( VTK_FOUND 1 )
INCLUDE ( ${ VTK_DIR } /VTKConfig.cmake )
ELSE ( EXISTS ${ VTK_DIR } /VTKConfig.cmake )
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IF ( EXISTS ${ VTK_DIR } /UseVTK.cmake )
# We found VTK 4.0 (UseVTK.cmake exists, but not VTKConfig.cmake).
SET ( VTK_FOUND 1 )
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# Load settings for VTK 4.0.
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INCLUDE ( UseVTKConfig40 )
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ELSE ( EXISTS ${ VTK_DIR } /UseVTK.cmake )
# We did not find VTK.
SET ( VTK_FOUND 0 )
ENDIF ( EXISTS ${ VTK_DIR } /UseVTK.cmake )
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ENDIF ( EXISTS ${ VTK_DIR } /VTKConfig.cmake )
ELSE ( VTK_DIR )
# We did not find VTK.
SET ( VTK_FOUND 0 )
ENDIF ( VTK_DIR )
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#-----------------------------------------------------------------------------
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IF ( VTK_FOUND )
# Set USE_VTK_FILE for backward-compatability.
SET ( USE_VTK_FILE ${ VTK_USE_FILE } )
ELSE ( VTK_FOUND )
# VTK not found, explain to the user how to specify its location.
IF ( NOT VTK_FIND_QUIETLY )
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MESSAGE ( FATAL_ERROR ${ VTK_DIR_MESSAGE } )
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ELSE ( NOT VTK_FIND_QUIETLY )
IF ( VTK_FIND_REQUIRED )
MESSAGE ( FATAL_ERROR ${ VTK_DIR_MESSAGE } )
ENDIF ( VTK_FIND_REQUIRED )
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ENDIF ( NOT VTK_FIND_QUIETLY )
ENDIF ( VTK_FOUND )