117 lines
4.5 KiB
CMake
117 lines
4.5 KiB
CMake
#
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# Find a VTK installation or build tree.
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#
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# When VTK is found, the VTKConfig.cmake file is sourced to setup the
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# location and configuration of VTK. Please read this file, or
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# VTKConfig.cmake.in from the VTK source tree for the full list of
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# definitions. Of particular interest is
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#
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# VTK_USE_FILE - A CMake source file that can be included
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# to set the include directories, library
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# directories, and preprocessor macros.
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#
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# In addition to the variables read from VTKConfig.cmake, this find
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# module also defines
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#
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# VTK_DIR - The directory containing VTKConfig.cmake. This is either
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# the root of the build tree, or the lib/vtk
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# directory. This is the only cache entry.
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#
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# VTK_FOUND - Whether VTK was found. If this is true, VTK_DIR is okay.
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#
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# USE_VTK_FILE - The full path to the UseVTK.cmake file. This is provided
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# 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.")
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SET(VTK_DIR_MESSAGE "VTK not found. Set VTK_DIR 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 VTKConfig.cmake
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# Support legacy cache files.
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${VTK_DIR_SEARCH_LEGACY}
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# Look in places relative to the system executable search path.
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${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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# Set USE_VTK_FILE for backward-compatability.
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SET(USE_VTK_FILE ${VTK_USE_FILE})
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ELSE(EXISTS ${VTK_DIR}/VTKConfig.cmake)
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# We did not find VTK.
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SET(VTK_FOUND 0)
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ENDIF(EXISTS ${VTK_DIR}/VTKConfig.cmake)
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ELSE(VTK_DIR)
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# We did not find VTK.
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SET(VTK_FOUND 0)
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ENDIF(VTK_DIR)
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# If it was not found, explain to the user how to specify its
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# location.
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IF (NOT VTK_FOUND)
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IF (NOT VTK_FIND_QUIETLY)
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MESSAGE(${VTK_DIR_MESSAGE})
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ENDIF (NOT VTK_FIND_QUIETLY)
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ENDIF (NOT VTK_FOUND)
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