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## Only present and build DCMTK options if ITKIODCMTK is requested
option(ITK_USE_SYSTEM_DCMTK "Use an outside build of DCMTK." OFF)
if(NOT WIN32)
set(lib_prefix lib)
if(BUILD_SHARED_LIBS)
set(lib_suffix "${CMAKE_SHARED_LIBRARY_SUFFIX}")
set(lib_prefix "${CMAKE_SHARED_LIBRARY_PREFIX}")
else()
set(lib_suffix "${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(lib_prefix "${CMAKE_STATIC_LIBRARY_PREFIX}")
endif()
else()
set(lib_prefix "")
if(BUILD_SHARED_LIBS)
set(lib_suffix "${CMAKE_IMPORT_LIBRARY_SUFFIX}")
set(lib_prefix "${CMAKE_IMPORT_LIBRARY_PREFIX}")
else()
set(lib_suffix "${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(lib_prefix "${CMAKE_IMPORT_LIBRARY_PREFIX}")
endif()
endif()
if(ITK_USE_SYSTEM_DCMTK)
# Use local FindDCMTK.cmake.
list(INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_LIST_DIR}/CMake")
find_package(DCMTK REQUIRED NO_MODULE)
else(ITK_USE_SYSTEM_DCMTK)
# Copied and mofified from DCMTK/CMake/3rdparty.cmake
if(NOT DEFINED DCMTK_USE_ICU)
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("#include <iconv.h>\nint main(){iconv_t cd = iconv_open(\"\",\"\");iconv(cd,0,0,0,0);iconv_close(cd);return 0;}" WITH_STDLIBC_ICONV)
if(WITH_STDLIBC_ICONV)
message(STATUS "Info: found builtin ICONV support inside the C standard library.")
set(ICU_ARGS
-DDCMTK_WITH_STDLIBC_ICONV:BOOL=ON
-DDCMTK_WITH_ICU:BOOL=OFF
"-DDCMTK_ENABLE_CHARSET_CONVERSION:STRING=stdlibc (iconv)"
CACHE INTERNAL "ICU Internal arguments"
)
set(_DCMTK_USE_ICU_default OFF)
else()
if(WIN32 AND "${MSVC_VERSION}" LESS 1800) # No precompiled ICU for VS < 2013
set(_DCMTK_USE_ICU_default OFF)
elseif(WIN32 AND CMAKE_VERSION VERSION_LESS 3.7) # FindICU.cmake included in DMCTK doesn't find Windows ICU libraries.
set(_DCMTK_USE_ICU_default OFF)
else()
set(_DCMTK_USE_ICU_default ON)
endif()
endif()
option(DCMTK_USE_ICU "Downloads and compile ICU for DCMTK" ${_DCMTK_USE_ICU_default})
endif()
if(DCMTK_USE_ICU)
if(ITK_USE_SYSTEM_ICU)
find_package(ICU COMPONENTS uc data)
set(ITKDCMTK_ICU_LIBRARIES ${ICU_LIBRARIES})
endif()
endif()
endif(ITK_USE_SYSTEM_DCMTK)
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