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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
329 lines
10 KiB
CMake
329 lines
10 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindDCMTK
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# ---------
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#
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# Find DCMTK libraries and applications
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#
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# The module defines the following variables::
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#
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# DCMTK_INCLUDE_DIRS - Directories to include to use DCMTK
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# DCMTK_LIBRARIES - Files to link against to use DCMTK
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# DCMTK_FOUND - If false, don't try to use DCMTK
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# DCMTK_DIR - (optional) Source directory for DCMTK
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#
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# Compatibility
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# ^^^^^^^^^^^^^
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#
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# This module is able to find a version of DCMTK that does or does not export
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# a *DCMTKConfig.cmake* file. It applies a two step process:
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#
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# * Step 1: Attempt to find DCMTK version providing a *DCMTKConfig.cmake* file.
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# * Step 2: If step 1 failed, rely on *FindDCMTK.cmake* to set `DCMTK_*` variables details below.
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#
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#
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# `Recent DCMTK
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# <http://git.dcmtk.org/web?p=dcmtk.git;a=commit;h=662ae187c493c6b9a73dd5e3875372cebd0c11fe>`_
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# provides a *DCMTKConfig.cmake* :manual:`package configuration file
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# <cmake-packages(7)>`. To exclusively use the package configuration file
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# (recommended when possible), pass the `NO_MODULE` option to
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# :command:`find_package`. For example, `find_package(DCMTK NO_MODULE)`.
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# This requires official DCMTK snapshot *3.6.1_20140617* or newer.
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#
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#
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# Until all clients update to the more recent DCMTK, build systems will need
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# to support different versions of DCMTK.
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#
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# On any given system, the following combinations of DCMTK versions could be
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# considered:
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#
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# +--------+---------------------+-----------------------+-------------------+
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# | | SYSTEM DCMTK | LOCAL DCMTK | Supported ? |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case A | NA | [ ] DCMTKConfig | YES |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case B | NA | [X] DCMTKConfig | YES |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case C | [ ] DCMTKConfig | NA | YES |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case D | [X] DCMTKConfig | NA | YES |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case E | [ ] DCMTKConfig | [ ] DCMTKConfig | YES (*) |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case F | [X] DCMTKConfig | [ ] DCMTKConfig | NO |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case G | [ ] DCMTKConfig | [X] DCMTKConfig | YES |
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# +--------+---------------------+-----------------------+-------------------+
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# | Case H | [X] DCMTKConfig | [X] DCMTKConfig | YES |
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# +--------+---------------------+-----------------------+-------------------+
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#
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# (*) See Troubleshooting section.
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#
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# Legend:
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#
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# NA ...............: Means that no System or Local DCMTK is available
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#
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# [ ] DCMTKConfig ..: Means that the version of DCMTK does NOT export a DCMTKConfig.cmake file.
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#
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# [X] DCMTKConfig ..: Means that the version of DCMTK exports a DCMTKConfig.cmake file.
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#
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#
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# Troubleshooting
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# ^^^^^^^^^^^^^^^
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#
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# What to do if my project finds a different version of DCMTK?
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#
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# Remove DCMTK entry from the CMake cache per :command:`find_package`
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# documentation.
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#
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# Written for VXL by Amitha Perera.
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# Upgraded for GDCM by Mathieu Malaterre.
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# Modified for EasyViz by Thomas Sondergaard.
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#
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set(_dcmtk_dir_description "The directory of DCMTK build or install tree.")
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# Ensure that DCMTK_DIR is set to a reasonable default value
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# so that DCMTK libraries can be found on a standard Unix distribution.
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# It also overwrite the value of DCMTK_DIR after this one has been
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# set by a successful discovery of DCMTK by the unpatched FindDCMTK.cmake module
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# distributed with CMake (as of 0167cea)
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if(NOT DCMTK_DIR OR DCMTK_DIR STREQUAL "/usr/include/dcmtk")
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set(DCMTK_DIR "/usr" CACHE PATH ${_dcmtk_dir_description} FORCE)
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endif()
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set(_SAVED_DCMTK_DIR ${DCMTK_DIR})
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#
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# Step1: Attempt to find a version of DCMTK providing a DCMTKConfig.cmake file.
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#
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if(NOT DCMTK_FIND_QUIETLY)
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message(STATUS "Trying to find DCMTK expecting DCMTKConfig.cmake")
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endif()
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find_package(DCMTK QUIET NO_MODULE)
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if(DCMTK_FOUND
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AND NOT "x" STREQUAL "x${DCMTK_LIBRARIES}"
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AND NOT "x" STREQUAL "x${DCMTK_INCLUDE_DIRS}")
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if(NOT DCMTK_FIND_QUIETLY)
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message(STATUS "Trying to find DCMTK expecting DCMTKConfig.cmake - ok")
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endif()
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return()
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else()
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if(NOT DCMTK_FIND_QUIETLY)
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message(STATUS "Trying to find DCMTK expecting DCMTKConfig.cmake - failed")
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endif()
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endif()
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if(NOT DCMTK_FIND_QUIETLY)
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message(STATUS "Trying to find DCMTK relying on FindDCMTK.cmake")
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endif()
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# Restore the value reset by the previous call to 'find_package(DCMTK QUIET NO_MODULE)'
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set(DCMTK_DIR ${_SAVED_DCMTK_DIR} CACHE PATH ${_dcmtk_dir_description} FORCE)
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#
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# Step2: Attempt to find a version of DCMTK that does NOT provide a DCMTKConfig.cmake file.
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#
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# prefer DCMTK_DIR over default system paths like /usr/lib
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if(DCMTK_DIR)
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set(CMAKE_PREFIX_PATH ${DCMTK_DIR}/lib ${CMAKE_PREFIX_PATH}) # this is given to FIND_LIBRARY or FIND_PATH
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endif()
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# Find all libraries, store debug and release separately
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foreach(lib
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dcmpstat
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dcmsr
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dcmsign
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dcmtls
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dcmqrdb
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dcmnet
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dcmjpeg
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dcmimage
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dcmimgle
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dcmdata
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oflog
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ofstd
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ijg12
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ijg16
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ijg8
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)
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# Find Release libraries
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find_library(DCMTK_${lib}_LIBRARY_RELEASE
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${lib}
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PATHS
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${DCMTK_DIR}/${lib}/libsrc
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${DCMTK_DIR}/${lib}/libsrc/Release
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${DCMTK_DIR}/${lib}/Release
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${DCMTK_DIR}/lib
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${DCMTK_DIR}/lib/Release
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${DCMTK_DIR}/dcmjpeg/lib${lib}/Release
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NO_DEFAULT_PATH
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)
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# Find Debug libraries
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find_library(DCMTK_${lib}_LIBRARY_DEBUG
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${lib}${DCMTK_CMAKE_DEBUG_POSTFIX}
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PATHS
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${DCMTK_DIR}/${lib}/libsrc
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${DCMTK_DIR}/${lib}/libsrc/Debug
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${DCMTK_DIR}/${lib}/Debug
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${DCMTK_DIR}/lib
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${DCMTK_DIR}/lib/Debug
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${DCMTK_DIR}/dcmjpeg/lib${lib}/Debug
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NO_DEFAULT_PATH
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)
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mark_as_advanced(DCMTK_${lib}_LIBRARY_RELEASE)
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mark_as_advanced(DCMTK_${lib}_LIBRARY_DEBUG)
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# Add libraries to variable according to build type
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if(DCMTK_${lib}_LIBRARY_RELEASE)
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list(APPEND DCMTK_LIBRARIES optimized ${DCMTK_${lib}_LIBRARY_RELEASE})
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endif()
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if(DCMTK_${lib}_LIBRARY_DEBUG)
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list(APPEND DCMTK_LIBRARIES debug ${DCMTK_${lib}_LIBRARY_DEBUG})
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endif()
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endforeach()
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set(CMAKE_THREAD_LIBS_INIT)
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if(DCMTK_oflog_LIBRARY_RELEASE OR DCMTK_oflog_LIBRARY_DEBUG)
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# Hack - Not having a DCMTKConfig.cmake file to read the settings from, we will attempt to
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# find the library in all cases.
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# Ideally, pthread library should be discovered only if DCMTK_WITH_THREADS is enabled.
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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find_package(Threads)
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endif()
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if(CMAKE_THREAD_LIBS_INIT)
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list(APPEND DCMTK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
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endif()
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#
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# SPECIFIC CASE FOR DCMTK BUILD DIR as DCMTK_DIR
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# (as opposed to a DCMTK install dir)
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# Have to find the source directory.
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if(EXISTS ${DCMTK_DIR}/CMakeCache.txt)
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load_cache(${DCMTK_DIR} READ_WITH_PREFIX "EXT"
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DCMTK_SOURCE_DIR)
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if(NOT EXISTS ${EXTDCMTK_SOURCE_DIR})
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message(FATAL_ERROR
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"DCMTK build directory references
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nonexistant DCMTK source directory ${EXTDCMTK_SOURCE_DIR}")
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endif()
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endif()
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set(DCMTK_config_TEST_HEADER osconfig.h)
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set(DCMTK_dcmdata_TEST_HEADER dctypes.h)
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set(DCMTK_dcmimage_TEST_HEADER dicoimg.h)
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set(DCMTK_dcmimgle_TEST_HEADER dcmimage.h)
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set(DCMTK_dcmjpeg_TEST_HEADER djdecode.h)
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set(DCMTK_dcmnet_TEST_HEADER assoc.h)
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set(DCMTK_dcmpstat_TEST_HEADER dcmpstat.h)
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set(DCMTK_dcmqrdb_TEST_HEADER dcmqrdba.h)
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set(DCMTK_dcmsign_TEST_HEADER sicert.h)
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set(DCMTK_dcmsr_TEST_HEADER dsrtree.h)
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set(DCMTK_dcmtls_TEST_HEADER tlslayer.h)
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set(DCMTK_ofstd_TEST_HEADER ofstdinc.h)
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set(DCMTK_oflog_TEST_HEADER oflog.h)
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set(DCMTK_dcmjpls_TEST_HEADER djlsutil.h)
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set(DCMTK_INCLUDE_DIR_NAMES)
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foreach(dir
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config
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dcmdata
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dcmimage
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dcmimgle
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dcmjpeg
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dcmjpls
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dcmnet
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dcmpstat
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dcmqrdb
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dcmsign
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dcmsr
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dcmtls
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ofstd
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oflog)
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if(EXTDCMTK_SOURCE_DIR)
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set(SOURCE_DIR_PATH
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${EXTDCMTK_SOURCE_DIR}/${dir}/include/dcmtk/${dir})
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endif()
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find_path(DCMTK_${dir}_INCLUDE_DIR
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${DCMTK_${dir}_TEST_HEADER}
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PATHS
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${DCMTK_DIR}/${dir}/include
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${DCMTK_DIR}/${dir}
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${DCMTK_DIR}/include/dcmtk/${dir}
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${DCMTK_DIR}/${dir}/include/dcmtk/${dir}
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${DCMTK_DIR}/include/${dir}
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${SOURCE_DIR_PATH}
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)
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mark_as_advanced(DCMTK_${dir}_INCLUDE_DIR)
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list(APPEND DCMTK_INCLUDE_DIR_NAMES DCMTK_${dir}_INCLUDE_DIR)
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if(DCMTK_${dir}_INCLUDE_DIR)
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# add the 'include' path so eg
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#include "dcmtk/dcmimgle/dcmimage.h"
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# works
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get_filename_component(_include ${DCMTK_${dir}_INCLUDE_DIR} PATH)
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get_filename_component(_include ${_include} PATH)
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list(APPEND
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DCMTK_INCLUDE_DIRS
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${DCMTK_${dir}_INCLUDE_DIR}
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${_include})
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endif()
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endforeach()
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list(APPEND DCMTK_INCLUDE_DIRS ${DCMTK_DIR}/include)
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if(WIN32)
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list(APPEND DCMTK_LIBRARIES netapi32 wsock32)
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endif()
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if(DCMTK_ofstd_INCLUDE_DIR)
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get_filename_component(DCMTK_dcmtk_INCLUDE_DIR
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${DCMTK_ofstd_INCLUDE_DIR}
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PATH
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CACHE)
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list(APPEND DCMTK_INCLUDE_DIRS ${DCMTK_dcmtk_INCLUDE_DIR})
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mark_as_advanced(DCMTK_dcmtk_INCLUDE_DIR)
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endif()
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# Compatibility: This variable is deprecated
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set(DCMTK_INCLUDE_DIR ${DCMTK_INCLUDE_DIRS})
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(DCMTK
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REQUIRED_VARS ${DCMTK_INCLUDE_DIR_NAMES} DCMTK_LIBRARIES
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FAIL_MESSAGE "Please set DCMTK_DIR and re-run configure")
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# Workaround bug in packaging of DCMTK 3.6.0 on Debian.
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# See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=637687
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if(DCMTK_FOUND AND UNIX AND NOT APPLE)
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include(CheckCXXSourceCompiles)
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set(CMAKE_REQUIRED_FLAGS )
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set(CMAKE_REQUIRED_DEFINITIONS )
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set(CMAKE_REQUIRED_INCLUDES ${DCMTK_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES ${DCMTK_LIBRARIES})
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set(CMAKE_REQUIRED_QUIET ${DCMTK_FIND_QUIETLY})
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check_cxx_source_compiles("#include <dcmtk/config/osconfig.h>\n#include <dcmtk/ofstd/ofstream.h>\nint main(int,char*[]){return 0;}"
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DCMTK_HAVE_CONFIG_H_OPTIONAL
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)
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if(NOT DCMTK_HAVE_CONFIG_H_OPTIONAL)
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set(DCMTK_DEFINITIONS "HAVE_CONFIG_H")
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endif()
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endif()
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if(NOT DCMTK_FIND_QUIETLY)
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message(STATUS "Trying to find DCMTK relying on FindDCMTK.cmake - ok")
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endif()
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