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| Current File : //usr/opt/nge/share/cmake-3.6/Modules/FindDCMTK.cmake |
#.rst:
# FindDCMTK
# ---------
#
# Find DCMTK libraries and applications
#
# The module defines the following variables::
#
# 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
#
# Compatibility
# ^^^^^^^^^^^^^
#
# This module is able to find a version of DCMTK that does or does not export
# a *DCMTKConfig.cmake* file. It applies a two step process:
#
# * Step 1: Attempt to find DCMTK version providing a *DCMTKConfig.cmake* file.
# * Step 2: If step 1 failed, rely on *FindDCMTK.cmake* to set `DCMTK_*` variables details below.
#
#
# `Recent DCMTK
# <http://git.dcmtk.org/web?p=dcmtk.git;a=commit;h=662ae187c493c6b9a73dd5e3875372cebd0c11fe>`_
# provides a *DCMTKConfig.cmake* :manual:`package configuration file
# <cmake-packages(7)>`. To exclusively use the package configuration file
# (recommended when possible), pass the `NO_MODULE` option to
# :command:`find_package`. For example, `find_package(DCMTK NO_MODULE)`.
# This requires official DCMTK snapshot *3.6.1_20140617* or newer.
#
#
# Until all clients update to the more recent DCMTK, build systems will need
# to support different versions of DCMTK.
#
# On any given system, the following combinations of DCMTK versions could be
# considered:
#
# +--------+---------------------+-----------------------+-------------------+
# | | SYSTEM DCMTK | LOCAL DCMTK | Supported ? |
# +--------+---------------------+-----------------------+-------------------+
# | Case A | NA | [ ] DCMTKConfig | YES |
# +--------+---------------------+-----------------------+-------------------+
# | Case B | NA | [X] DCMTKConfig | YES |
# +--------+---------------------+-----------------------+-------------------+
# | Case C | [ ] DCMTKConfig | NA | YES |
# +--------+---------------------+-----------------------+-------------------+
# | Case D | [X] DCMTKConfig | NA | YES |
# +--------+---------------------+-----------------------+-------------------+
# | Case E | [ ] DCMTKConfig | [ ] DCMTKConfig | YES (*) |
# +--------+---------------------+-----------------------+-------------------+
# | Case F | [X] DCMTKConfig | [ ] DCMTKConfig | NO |
# +--------+---------------------+-----------------------+-------------------+
# | Case G | [ ] DCMTKConfig | [X] DCMTKConfig | YES |
# +--------+---------------------+-----------------------+-------------------+
# | Case H | [X] DCMTKConfig | [X] DCMTKConfig | YES |
# +--------+---------------------+-----------------------+-------------------+
#
# (*) See Troubleshooting section.
#
# Legend:
#
# NA ...............: Means that no System or Local DCMTK is available
#
# [ ] DCMTKConfig ..: Means that the version of DCMTK does NOT export a DCMTKConfig.cmake file.
#
# [X] DCMTKConfig ..: Means that the version of DCMTK exports a DCMTKConfig.cmake file.
#
#
# Troubleshooting
# ^^^^^^^^^^^^^^^
#
# What to do if my project finds a different version of DCMTK?
#
# Remove DCMTK entry from the CMake cache per :command:`find_package`
# documentation.
#=============================================================================
# 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 distribute 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.
#
set(_dcmtk_dir_description "The directory of DCMTK build or install tree.")
# Ensure that DCMTK_DIR is set to a reasonable default value
# so that DCMTK libraries can be found on a standard Unix distribution.
# It also overwrite the value of DCMTK_DIR after this one has been
# set by a successful discovery of DCMTK by the unpatched FindDCMTK.cmake module
# distributed with CMake (as of 0167cea)
if(NOT DCMTK_DIR OR DCMTK_DIR STREQUAL "/usr/include/dcmtk")
set(DCMTK_DIR "/usr" CACHE PATH ${_dcmtk_dir_description} FORCE)
endif()
set(_SAVED_DCMTK_DIR ${DCMTK_DIR})
#
# Step1: Attempt to find a version of DCMTK providing a DCMTKConfig.cmake file.
#
if(NOT DCMTK_FIND_QUIETLY)
message(STATUS "Trying to find DCMTK expecting DCMTKConfig.cmake")
endif()
find_package(DCMTK QUIET NO_MODULE)
if(DCMTK_FOUND
AND NOT "x" STREQUAL "x${DCMTK_LIBRARIES}"
AND NOT "x" STREQUAL "x${DCMTK_INCLUDE_DIRS}")
if(NOT DCMTK_FIND_QUIETLY)
message(STATUS "Trying to find DCMTK expecting DCMTKConfig.cmake - ok")
endif()
return()
else()
if(NOT DCMTK_FIND_QUIETLY)
message(STATUS "Trying to find DCMTK expecting DCMTKConfig.cmake - failed")
endif()
endif()
if(NOT DCMTK_FIND_QUIETLY)
message(STATUS "Trying to find DCMTK relying on FindDCMTK.cmake")
endif()
# Restore the value reset by the previous call to 'find_package(DCMTK QUIET NO_MODULE)'
set(DCMTK_DIR ${_SAVED_DCMTK_DIR} CACHE PATH ${_dcmtk_dir_description} FORCE)
#
# Step2: Attempt to find a version of DCMTK that does NOT provide a DCMTKConfig.cmake file.
#
# prefer DCMTK_DIR over default system paths like /usr/lib
if(DCMTK_DIR)
set(CMAKE_PREFIX_PATH ${DCMTK_DIR}/lib ${CMAKE_PREFIX_PATH}) # this is given to FIND_LIBRARY or FIND_PATH
endif()
# Find all libraries, store debug and release separately
foreach(lib
dcmpstat
dcmsr
dcmsign
dcmtls
dcmqrdb
dcmnet
dcmjpeg
dcmimage
dcmimgle
dcmdata
oflog
ofstd
ijg12
ijg16
ijg8
)
# Find Release libraries
find_library(DCMTK_${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
if(DCMTK_${lib}_LIBRARY_RELEASE)
list(APPEND DCMTK_LIBRARIES optimized ${DCMTK_${lib}_LIBRARY_RELEASE})
endif()
if(DCMTK_${lib}_LIBRARY_DEBUG)
list(APPEND DCMTK_LIBRARIES debug ${DCMTK_${lib}_LIBRARY_DEBUG})
endif()
endforeach()
set(CMAKE_THREAD_LIBS_INIT)
if(DCMTK_oflog_LIBRARY_RELEASE OR DCMTK_oflog_LIBRARY_DEBUG)
# Hack - Not having a DCMTKConfig.cmake file to read the settings from, we will attempt to
# find the library in all cases.
# Ideally, pthread library should be discovered only if DCMTK_WITH_THREADS is enabled.
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
find_package(Threads)
endif()
if(CMAKE_THREAD_LIBS_INIT)
list(APPEND DCMTK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
endif()
#
# SPECIFIC CASE FOR DCMTK BUILD DIR as DCMTK_DIR
# (as opposed to a DCMTK install dir)
# Have to find the source directory.
if(EXISTS ${DCMTK_DIR}/CMakeCache.txt)
load_cache(${DCMTK_DIR} READ_WITH_PREFIX "EXT"
DCMTK_SOURCE_DIR)
if(NOT EXISTS ${EXTDCMTK_SOURCE_DIR})
message(FATAL_ERROR
"DCMTK build directory references
nonexistant DCMTK source directory ${EXTDCMTK_SOURCE_DIR}")
endif()
endif()
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_oflog_TEST_HEADER oflog.h)
set(DCMTK_dcmjpls_TEST_HEADER djlsutil.h)
set(DCMTK_INCLUDE_DIR_NAMES)
foreach(dir
config
dcmdata
dcmimage
dcmimgle
dcmjpeg
dcmjpls
dcmnet
dcmpstat
dcmqrdb
dcmsign
dcmsr
dcmtls
ofstd
oflog)
if(EXTDCMTK_SOURCE_DIR)
set(SOURCE_DIR_PATH
${EXTDCMTK_SOURCE_DIR}/${dir}/include/dcmtk/${dir})
endif()
find_path(DCMTK_${dir}_INCLUDE_DIR
${DCMTK_${dir}_TEST_HEADER}
PATHS
${DCMTK_DIR}/${dir}/include
${DCMTK_DIR}/${dir}
${DCMTK_DIR}/include/dcmtk/${dir}
${DCMTK_DIR}/${dir}/include/dcmtk/${dir}
${DCMTK_DIR}/include/${dir}
${SOURCE_DIR_PATH}
)
mark_as_advanced(DCMTK_${dir}_INCLUDE_DIR)
list(APPEND DCMTK_INCLUDE_DIR_NAMES 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()
list(APPEND DCMTK_INCLUDE_DIRS ${DCMTK_DIR}/include)
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()
# Compatibility: This variable is deprecated
set(DCMTK_INCLUDE_DIR ${DCMTK_INCLUDE_DIRS})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(DCMTK
REQUIRED_VARS ${DCMTK_INCLUDE_DIR_NAMES} DCMTK_LIBRARIES
FAIL_MESSAGE "Please set DCMTK_DIR and re-run configure")
# Workaround bug in packaging of DCMTK 3.6.0 on Debian.
# See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=637687
if(DCMTK_FOUND AND UNIX AND NOT APPLE)
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_FLAGS )
set(CMAKE_REQUIRED_DEFINITIONS )
set(CMAKE_REQUIRED_INCLUDES ${DCMTK_INCLUDE_DIRS})
set(CMAKE_REQUIRED_LIBRARIES ${DCMTK_LIBRARIES})
set(CMAKE_REQUIRED_QUIET ${DCMTK_FIND_QUIETLY})
check_cxx_source_compiles("#include <dcmtk/config/osconfig.h>\n#include <dcmtk/ofstd/ofstream.h>\nint main(int,char*[]){return 0;}"
DCMTK_HAVE_CONFIG_H_OPTIONAL
)
if(NOT DCMTK_HAVE_CONFIG_H_OPTIONAL)
set(DCMTK_DEFINITIONS "HAVE_CONFIG_H")
endif()
endif()
if(NOT DCMTK_FIND_QUIETLY)
message(STATUS "Trying to find DCMTK relying on FindDCMTK.cmake - ok")
endif()