132 lines
5.5 KiB
CMake
132 lines
5.5 KiB
CMake
# - Find a VTK installation or build tree.
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# The following variables are set if VTK is found. If VTK is not
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# found, VTK_FOUND is set to false.
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# VTK_FOUND - Set to true when VTK is found.
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# VTK_USE_FILE - CMake file to setup a project to use VTK.
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# VTK_MAJOR_VERSION - The VTK major version number.
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# VTK_MINOR_VERSION - The VTK minor version number
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# (odd non-release).
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# VTK_BUILD_VERSION - The VTK patch level
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# (meaningless for odd minor).
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# VTK_INCLUDE_DIRS - Include directories for VTK headers.
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# VTK_LIBRARY_DIRS - Link directories for VTK libraries.
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# VTK_KITS - List of VTK kits, in CAPS (COMMON,IO,).
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# VTK_LANGUAGES - List of wrapped languages, in CAPS (TCL,)
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# The following cache entries must be set by the user to locate VTK:
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# VTK_DIR - The directory containing VTKConfig.cmake. This
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# is either the root of the build tree, or the
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# lib/vtk directory. This is the only cache entry.
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# The following variables are set for backward compatibility and
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# should not be used in new code:
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# USE_VTK_FILE - The full path to the UseVTK.cmake file. This
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# is provided for backward compatability. Use
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# 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 ${VTK_DIR_DESCRIPTION}")
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# Search only if the location is not already known.
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IF(NOT VTK_DIR)
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# Get the system search path as a list.
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IF(UNIX)
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STRING(REGEX MATCHALL "[^:]+" VTK_DIR_SEARCH1 "$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.
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SET(VTK_DIR_SEARCH "")
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FOREACH(dir ${VTK_DIR_SEARCH2})
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SET(VTK_DIR_SEARCH ${VTK_DIR_SEARCH} "${dir}/../lib/vtk")
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ENDFOREACH(dir)
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# Old scripts may set these directories in the CMakeCache.txt file.
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# They can tell us where to find VTKConfig.cmake.
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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)
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IF(VTK_INSTALL_PATH AND USE_INSTALLED_VTK)
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SET(VTK_DIR_SEARCH_LEGACY ${VTK_DIR_SEARCH_LEGACY}
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${VTK_INSTALL_PATH}/lib/vtk)
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ENDIF(VTK_INSTALL_PATH AND USE_INSTALLED_VTK)
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#
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# Look for an installation or build tree.
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#
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FIND_PATH(VTK_DIR UseVTK.cmake
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# Support legacy cache files.
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${VTK_DIR_SEARCH_LEGACY}
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# Look for an environment variable VTK_DIR.
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$ENV{VTK_DIR}
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# Look in places relative to the system executable search path.
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${VTK_DIR_SEARCH}
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# Look in standard UNIX install locations.
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/usr/local/lib/vtk
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/usr/lib/vtk
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# Read from the CMakeSetup registry entries. It is likely that
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# VTK will have been recently built.
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
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# Help the user find it if we cannot.
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DOC "The ${VTK_DIR_DESCRIPTION}"
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)
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ENDIF(NOT VTK_DIR)
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# If VTK was found, load the configuration file to get the rest of the
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# settings.
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IF(VTK_DIR)
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# Make sure the VTKConfig.cmake file exists in the directory provided.
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IF(EXISTS ${VTK_DIR}/VTKConfig.cmake)
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# We found VTK. Load the settings.
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SET(VTK_FOUND 1)
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INCLUDE(${VTK_DIR}/VTKConfig.cmake)
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ELSE(EXISTS ${VTK_DIR}/VTKConfig.cmake)
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IF(EXISTS ${VTK_DIR}/UseVTK.cmake)
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# We found VTK 4.0 (UseVTK.cmake exists, but not VTKConfig.cmake).
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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)
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# We did not find VTK.
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SET(VTK_FOUND 0)
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ENDIF(EXISTS ${VTK_DIR}/UseVTK.cmake)
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ENDIF(EXISTS ${VTK_DIR}/VTKConfig.cmake)
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ELSE(VTK_DIR)
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# We did not find VTK.
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SET(VTK_FOUND 0)
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ENDIF(VTK_DIR)
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#-----------------------------------------------------------------------------
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IF(VTK_FOUND)
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# Set USE_VTK_FILE for backward-compatability.
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SET(USE_VTK_FILE ${VTK_USE_FILE})
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ELSE(VTK_FOUND)
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# VTK not found, explain to the user how to specify its location.
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IF(NOT VTK_FIND_QUIETLY)
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MESSAGE(FATAL_ERROR ${VTK_DIR_MESSAGE})
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ELSE(NOT VTK_FIND_QUIETLY)
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IF(VTK_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR ${VTK_DIR_MESSAGE})
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ENDIF(VTK_FIND_REQUIRED)
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ENDIF(NOT VTK_FIND_QUIETLY)
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ENDIF(VTK_FOUND)
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