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88 lines
3.5 KiB
CMake
88 lines
3.5 KiB
CMake
# - Find an ITK installation or build tree.
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# When ITK is found, the ITKConfig.cmake file is sourced to setup the
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# location and configuration of ITK. Please read this file, or
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# ITKConfig.cmake.in from the ITK source tree for the full list of
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# definitions. Of particular interest is ITK_USE_FILE, a CMake source file
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# that can be included to set the include directories, library directories,
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# and preprocessor macros. In addition to the variables read from
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# ITKConfig.cmake, this find module also defines
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# ITK_DIR - The directory containing ITKConfig.cmake.
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# This is either the root of the build tree,
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# or the lib/InsightToolkit directory.
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# This is the only cache entry.
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#
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# ITK_FOUND - Whether ITK was found. If this is true,
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# ITK_DIR is okay.
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#
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# USE_ITK_FILE - The full path to the UseITK.cmake file.
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# This is provided for backward
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# compatability. Use ITK_USE_FILE
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# instead.
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SET(ITK_DIR_STRING "directory containing ITKConfig.cmake. This is either the root of the build tree, or PREFIX/lib/InsightToolkit for an installation.")
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# Search only if the location is not already known.
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IF(NOT ITK_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 "[^:]+" ITK_DIR_SEARCH1 "$ENV{PATH}")
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ELSE(UNIX)
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STRING(REGEX REPLACE "\\\\" "/" ITK_DIR_SEARCH1 "$ENV{PATH}")
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ENDIF(UNIX)
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STRING(REGEX REPLACE "/;" ";" ITK_DIR_SEARCH2 ${ITK_DIR_SEARCH1})
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# Construct a set of paths relative to the system search path.
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SET(ITK_DIR_SEARCH "")
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FOREACH(dir ${ITK_DIR_SEARCH2})
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SET(ITK_DIR_SEARCH ${ITK_DIR_SEARCH} "${dir}/../lib/InsightToolkit")
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ENDFOREACH(dir)
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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(ITK_DIR ITKConfig.cmake
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# Look for an environment variable ITK_DIR.
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$ENV{ITK_DIR}
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# Look in places relative to the system executable search path.
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${ITK_DIR_SEARCH}
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# Look in standard UNIX install locations.
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/usr/local/lib/InsightToolkit
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/usr/lib/InsightToolkit
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# Read from the CMakeSetup registry entries. It is likely that
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# ITK 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 ${ITK_DIR_STRING}"
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)
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ENDIF(NOT ITK_DIR)
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# If ITK was found, load the configuration file to get the rest of the
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# settings.
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IF(ITK_DIR)
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SET(ITK_FOUND 1)
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INCLUDE(${ITK_DIR}/ITKConfig.cmake)
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# Set USE_ITK_FILE for backward-compatability.
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SET(USE_ITK_FILE ${ITK_USE_FILE})
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ELSE(ITK_DIR)
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SET(ITK_FOUND 0)
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IF(ITK_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Please set ITK_DIR to the ${ITK_DIR_STRING}")
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ENDIF(ITK_FIND_REQUIRED)
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ENDIF(ITK_DIR)
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