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Diffstat (limited to 'Modules/FindVTK.cmake')
| -rw-r--r-- | Modules/FindVTK.cmake | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/Modules/FindVTK.cmake b/Modules/FindVTK.cmake new file mode 100644 index 000000000..6b1772fa4 --- /dev/null +++ b/Modules/FindVTK.cmake @@ -0,0 +1,141 @@ +# - Find a VTK installation or build tree. +# The following variables are set if VTK is found. If VTK is not +# found, VTK_FOUND is set to false. +# VTK_FOUND - Set to true when VTK is found. +# VTK_USE_FILE - CMake file to use VTK. +# VTK_MAJOR_VERSION - The VTK major version number. +# VTK_MINOR_VERSION - The VTK minor version number +# (odd non-release). +# VTK_BUILD_VERSION - The VTK patch level +# (meaningless for odd minor). +# VTK_INCLUDE_DIRS - Include directories for VTK +# VTK_LIBRARY_DIRS - Link directories for VTK libraries +# VTK_KITS - List of VTK kits, in CAPS +# (COMMON,IO,) etc. +# VTK_LANGUAGES - List of wrapped languages, in CAPS +# (TCL, PYHTON,) etc. +# The following cache entries must be set by the user to locate VTK: +# 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. +# The following variables are set for backward compatibility and +# should not be used in new code: +# USE_VTK_FILE - The full path to the UseVTK.cmake file. +# This is provided for backward +# compatibility. Use VTK_USE_FILE +# instead. +# + +#============================================================================= +# Copyright 2001-2009 Kitware, Inc. +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +# Assume not found. +SET(VTK_FOUND 0) + +# VTK 4.0 did not provide VTKConfig.cmake. +IF("${VTK_FIND_VERSION}" VERSION_LESS 4.1) + SET(_VTK_40_ALLOW 1) + IF(VTK_FIND_VERSION) + SET(_VTK_40_ONLY 1) + ENDIF() +ENDIF() + +# Construct consitent error messages for use below. +SET(VTK_DIR_DESCRIPTION "directory containing VTKConfig.cmake. This is either the root of the build tree, or PREFIX/lib/vtk for an installation.") +IF(_VTK_40_ALLOW) + SET(VTK_DIR_DESCRIPTION "${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.") +ENDIF() +SET(VTK_DIR_MESSAGE "VTK not found. Set the VTK_DIR cmake cache entry to the ${VTK_DIR_DESCRIPTION}") + +# Check whether VTK 4.0 has already been found. +IF(_VTK_40_ALLOW AND VTK_DIR) + IF(EXISTS ${VTK_DIR}/UseVTK.cmake AND NOT EXISTS ${VTK_DIR}/VTKConfig.cmake) + SET(VTK_FOUND 1) + INCLUDE(UseVTKConfig40) # No VTKConfig; load VTK 4.0 settings. + ENDIF() +ENDIF() + +# Use the Config mode of the find_package() command to find VTKConfig. +# If this succeeds (possibly because VTK_DIR is already set), the +# command will have already loaded VTKConfig.cmake and set VTK_FOUND. +IF(NOT _VTK_40_ONLY AND NOT VTK_FOUND) + FIND_PACKAGE(VTK QUIET NO_MODULE) +ENDIF() + +# Special search for VTK 4.0. +IF(_VTK_40_ALLOW AND NOT VTK_DIR) + # 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 "") + IF(VTK_BINARY_PATH AND USE_BUILT_VTK) + SET(VTK_DIR_SEARCH_LEGACY ${VTK_DIR_SEARCH_LEGACY} ${VTK_BINARY_PATH}) + ENDIF(VTK_BINARY_PATH AND USE_BUILT_VTK) + IF(VTK_INSTALL_PATH AND USE_INSTALLED_VTK) + SET(VTK_DIR_SEARCH_LEGACY ${VTK_DIR_SEARCH_LEGACY} + ${VTK_INSTALL_PATH}/lib/vtk) + ENDIF(VTK_INSTALL_PATH AND USE_INSTALLED_VTK) + + # Look for UseVTK.cmake in build trees or under <prefix>/include/vtk. + FIND_PATH(VTK_DIR + NAMES UseVTK.cmake + PATH_SUFFIXES vtk-4.0 vtk + HINTS $ENV{VTK_DIR} + + PATHS + + # Support legacy cache files. + ${VTK_DIR_SEARCH_LEGACY} + + # Read from the CMakeSetup registry entries. It is likely that + # VTK will have been recently built. + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9] + [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10] + + # Help the user find it if we cannot. + DOC "The ${VTK_DIR_DESCRIPTION}" + ) + + IF(VTK_DIR) + IF(EXISTS ${VTK_DIR}/UseVTK.cmake AND NOT EXISTS ${VTK_DIR}/VTKConfig.cmake) + SET(VTK_FOUND 1) + INCLUDE(UseVTKConfig40) # No VTKConfig; load VTK 4.0 settings. + ELSE() + # We found the wrong version. Pretend we did not find it. + SET(VTK_DIR "VTK_DIR-NOTFOUND" CACHE PATH "The ${VTK_DIR_DESCRIPTION}" FORCE) + ENDIF() + ENDIF() +ENDIF() + +#----------------------------------------------------------------------------- +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(VTK_FIND_REQUIRED) + MESSAGE(FATAL_ERROR ${VTK_DIR_MESSAGE}) + ELSE(VTK_FIND_REQUIRED) + IF(NOT VTK_FIND_QUIETLY) + MESSAGE(STATUS ${VTK_DIR_MESSAGE}) + ENDIF(NOT VTK_FIND_QUIETLY) + ENDIF(VTK_FIND_REQUIRED) +ENDIF(VTK_FOUND) |