142 lines
6.0 KiB
CMake
142 lines
6.0 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 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
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# VTK_LIBRARY_DIRS - Link directories for VTK libraries
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# VTK_KITS - List of VTK kits, in CAPS
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# (COMMON,IO,) etc.
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# VTK_LANGUAGES - List of wrapped languages, in CAPS
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# (TCL, PYHTON,) etc.
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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.
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# This is either the root of the build tree,
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# or the lib/vtk directory. This is the
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# 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.
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# This is provided for backward
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# compatibility. Use VTK_USE_FILE
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# instead.
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#
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#=============================================================================
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# Copyright 2001-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distributed this file outside of CMake, substitute the full
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# License text for the above reference.)
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# Assume not found.
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SET(VTK_FOUND 0)
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# VTK 4.0 did not provide VTKConfig.cmake.
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IF("${VTK_FIND_VERSION}" VERSION_LESS 4.1)
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SET(_VTK_40_ALLOW 1)
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IF(VTK_FIND_VERSION)
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SET(_VTK_40_ONLY 1)
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ENDIF()
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ENDIF()
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# Construct consitent error messages for use below.
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SET(VTK_DIR_DESCRIPTION "directory containing VTKConfig.cmake. This is either the root of the build tree, or PREFIX/lib/vtk for an installation.")
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IF(_VTK_40_ALLOW)
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SET(VTK_DIR_DESCRIPTION "${VTK_DIR_DESCRIPTION} 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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ENDIF()
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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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# Check whether VTK 4.0 has already been found.
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IF(_VTK_40_ALLOW AND VTK_DIR)
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IF(EXISTS ${VTK_DIR}/UseVTK.cmake AND NOT EXISTS ${VTK_DIR}/VTKConfig.cmake)
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SET(VTK_FOUND 1)
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INCLUDE(UseVTKConfig40) # No VTKConfig; load VTK 4.0 settings.
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ENDIF()
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ENDIF()
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# Use the Config mode of the find_package() command to find VTKConfig.
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# If this succeeds (possibly because VTK_DIR is already set), the
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# command will have already loaded VTKConfig.cmake and set VTK_FOUND.
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IF(NOT _VTK_40_ONLY AND NOT VTK_FOUND)
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FIND_PACKAGE(VTK QUIET NO_MODULE)
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ENDIF()
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# Special search for VTK 4.0.
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IF(_VTK_40_ALLOW AND NOT VTK_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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# Look for UseVTK.cmake in build trees or under <prefix>/include/vtk.
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FIND_PATH(VTK_DIR
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NAMES UseVTK.cmake
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PATH_SUFFIXES vtk-4.0 vtk
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HINTS $ENV{VTK_DIR}
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PATHS
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# Support legacy cache files.
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${VTK_DIR_SEARCH_LEGACY}
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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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IF(VTK_DIR)
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IF(EXISTS ${VTK_DIR}/UseVTK.cmake AND NOT EXISTS ${VTK_DIR}/VTKConfig.cmake)
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SET(VTK_FOUND 1)
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INCLUDE(UseVTKConfig40) # No VTKConfig; load VTK 4.0 settings.
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ELSE()
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# We found the wrong version. Pretend we did not find it.
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SET(VTK_DIR "VTK_DIR-NOTFOUND" CACHE PATH "The ${VTK_DIR_DESCRIPTION}" FORCE)
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ENDIF()
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ENDIF()
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ENDIF()
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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(VTK_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR ${VTK_DIR_MESSAGE})
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ELSE(VTK_FIND_REQUIRED)
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IF(NOT VTK_FIND_QUIETLY)
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MESSAGE(STATUS ${VTK_DIR_MESSAGE})
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ENDIF(NOT VTK_FIND_QUIETLY)
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ENDIF(VTK_FIND_REQUIRED)
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ENDIF(VTK_FOUND)
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