FindDCMTK.cmake

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# adapted version of FindDCMTK, better suited for super-builds

# - find DCMTK libraries and applications
#

#  DCMTK_INCLUDE_DIRS   - Directories to include to use DCMTK
#  DCMTK_LIBRARIES     - Files to link against to use DCMTK
#  DCMTK_FOUND         - If false, don't try to use DCMTK
#  DCMTK_DIR           - (optional) Source directory for DCMTK
#
# DCMTK_DIR can be used to make it simpler to find the various include
# directories and compiled libraries if you've just compiled it in the
# source tree. Just set it to the root of the tree where you extracted
# the source (default to /usr/include/dcmtk/)

#=============================================================================
# Copyright 2004-2009 Kitware, Inc.
# Copyright 2009-2010 Mathieu Malaterre <mathieu.malaterre@gmail.com>
# Copyright 2010 Thomas Sondergaard <ts@medical-insight.com>
#
# 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 distributed this file outside of CMake, substitute the full
#  License text for the above reference.)

#
# Written for VXL by Amitha Perera.
# Upgraded for GDCM by Mathieu Malaterre.
# Modified for EasyViz by Thomas Sondergaard.
#

# prefer DCMTK_DIR over default system paths like /usr/lib
set(CMAKE_PREFIX_PATH ${DCMTK_DIR}/lib ${CMAKE_PREFIX_PATH}) # this is given to FIND_LIBRARY or FIND_PATH

if(NOT DCMTK_FOUND AND NOT DCMTK_DIR)
  set(DCMTK_DIR
    "/usr/include/dcmtk/"
    CACHE
    PATH
    "Root of DCMTK source tree (optional).")
  mark_as_advanced(DCMTK_DIR)
endif()

# Find all libraries, store debug and release separately
foreach(lib
    dcmpstat
    dcmsr
    dcmsign
    dcmtls
    dcmqrdb
    dcmnet
    dcmjpeg
    dcmimage
    dcmimgle
    dcmdata
    dcmrt
    oflog
    ofstd
    ijg12
    ijg16
    ijg8
    )

  # Find Release libraries
  find_library(DCMTK_${lib}_LIBRARY_RELEASE
    ${lib}
    PATHS
    ${DCMTK_DIR}/${lib}/libsrc
    ${DCMTK_DIR}/${lib}/libsrc/Release
    ${DCMTK_DIR}/${lib}/Release
    ${DCMTK_DIR}/lib
    ${DCMTK_DIR}/lib/Release
    ${DCMTK_DIR}/dcmjpeg/lib${lib}/Release
    NO_DEFAULT_PATH
    )

  # Find Debug libraries
  find_library(DCMTK_${lib}_LIBRARY_DEBUG
    ${lib}${DCMTK_CMAKE_DEBUG_POSTFIX}
    PATHS
    ${DCMTK_DIR}/${lib}/libsrc
    ${DCMTK_DIR}/${lib}/libsrc/Debug
    ${DCMTK_DIR}/${lib}/Debug
    ${DCMTK_DIR}/lib
    ${DCMTK_DIR}/lib/Debug
    ${DCMTK_DIR}/dcmjpeg/lib${lib}/Debug
    NO_DEFAULT_PATH
    )

  mark_as_advanced(DCMTK_${lib}_LIBRARY_RELEASE)
  mark_as_advanced(DCMTK_${lib}_LIBRARY_DEBUG)

  # Add libraries to variable according to build type
  set(DCMTK_${lib}_LIBRARY)
  if(DCMTK_${lib}_LIBRARY_RELEASE)
    list(APPEND DCMTK_LIBRARIES optimized ${DCMTK_${lib}_LIBRARY_RELEASE})
    list(APPEND DCMTK_${lib}_LIBRARY optimized ${DCMTK_${lib}_LIBRARY_RELEASE})
  endif()

  if(DCMTK_${lib}_LIBRARY_DEBUG)
    list(APPEND DCMTK_LIBRARIES debug ${DCMTK_${lib}_LIBRARY_DEBUG})
    list(APPEND DCMTK_${lib}_LIBRARY debug ${DCMTK_${lib}_LIBRARY_DEBUG})
  endif()

endforeach()

set(DCMTK_config_TEST_HEADER osconfig.h)
set(DCMTK_dcmdata_TEST_HEADER dctypes.h)
set(DCMTK_dcmimage_TEST_HEADER dicoimg.h)
set(DCMTK_dcmimgle_TEST_HEADER dcmimage.h)
set(DCMTK_dcmjpeg_TEST_HEADER djdecode.h)
set(DCMTK_dcmnet_TEST_HEADER assoc.h)
set(DCMTK_dcmpstat_TEST_HEADER dcmpstat.h)
set(DCMTK_dcmqrdb_TEST_HEADER dcmqrdba.h)
set(DCMTK_dcmsign_TEST_HEADER sicert.h)
set(DCMTK_dcmsr_TEST_HEADER dsrtree.h)
set(DCMTK_dcmtls_TEST_HEADER tlslayer.h)
set(DCMTK_ofstd_TEST_HEADER ofstdinc.h)
set(DCMTK_dcmrt_TEST_HEADER drtstrct.h)

foreach(dir
    config
    dcmdata
    dcmimage
    dcmimgle
    dcmjpeg
    dcmnet
    dcmpstat
    dcmqrdb
    dcmsign
    dcmsr
    dcmtls
    dcmrt
    ofstd)
  find_path(DCMTK_${dir}_INCLUDE_DIR
    ${DCMTK_${dir}_TEST_HEADER}
    PATHS
    ${DCMTK_DIR}/${dir}/include
    ${DCMTK_DIR}/${dir}
    ${DCMTK_DIR}/include/dcmtk/${dir}
    ${DCMTK_DIR}/include/${dir})

  mark_as_advanced(DCMTK_${dir}_INCLUDE_DIR)
  #message("** DCMTKs ${dir} found at ${DCMTK_${dir}_INCLUDE_DIR}")

  if(DCMTK_${dir}_INCLUDE_DIR)
    # add the 'include' path so eg
    #include "dcmtk/dcmimgle/dcmimage.h"
    # works
    get_filename_component(_include ${DCMTK_${dir}_INCLUDE_DIR} PATH)
    get_filename_component(_include ${_include} PATH)
    list(APPEND DCMTK_INCLUDE_DIRS ${DCMTK_${dir}_INCLUDE_DIR} ${_include})
  endif()
endforeach()

if(WIN32)
  list(APPEND DCMTK_LIBRARIES netapi32 wsock32)
endif()

if(DCMTK_ofstd_INCLUDE_DIR)
  get_filename_component(DCMTK_dcmtk_INCLUDE_DIR
    ${DCMTK_ofstd_INCLUDE_DIR}
    PATH
    CACHE)
  list(APPEND DCMTK_INCLUDE_DIRS ${DCMTK_dcmtk_INCLUDE_DIR})
  mark_as_advanced(DCMTK_dcmtk_INCLUDE_DIR)
endif()

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(DCMTK DEFAULT_MSG
  DCMTK_config_INCLUDE_DIR
  DCMTK_ofstd_INCLUDE_DIR
  DCMTK_ofstd_LIBRARY
  DCMTK_dcmdata_INCLUDE_DIR
  DCMTK_dcmdata_LIBRARY
  DCMTK_dcmimgle_INCLUDE_DIR
  DCMTK_dcmimgle_LIBRARY
  )

# Compatibility: This variable is deprecated
set(DCMTK_INCLUDE_DIR ${DCMTK_INCLUDE_DIRS})