forked from InsightSoftwareConsortium/ITK
/
ITKModuleMacros.cmake
484 lines (453 loc) · 20.1 KB
/
ITKModuleMacros.cmake
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get_filename_component(_ITKModuleMacros_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
set(_ITKModuleMacros_DEFAULT_LABEL "ITKModular")
include(${_ITKModuleMacros_DIR}/ITKModuleAPI.cmake)
include(${_ITKModuleMacros_DIR}/ITKModuleDoxygen.cmake)
include(${_ITKModuleMacros_DIR}/ITKModuleHeaderTest.cmake)
include(${_ITKModuleMacros_DIR}/ITKModuleKWStyleTest.cmake)
include(${_ITKModuleMacros_DIR}/ITKModuleClangFormat.cmake)
include(${_ITKModuleMacros_DIR}/CppcheckTargets.cmake)
include(${_ITKModuleMacros_DIR}/ITKModuleCPPCheckTest.cmake)
# With Apple's (GGC <=4.2 and LLVM-GCC <=4.2) or (Clang < 3.2)
# visibility of template don't work. Set the option to off and hide it.
if(APPLE AND ((CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.3")
OR ((CMAKE_CXX_COMPILER_ID MATCHES "Clang") AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.2")))
set( USE_COMPILER_HIDDEN_VISIBILITY OFF CACHE INTERNAL "" )
endif()
include(GenerateExportHeader)
# itk_module(<name>)
#
# Main function for declaring an ITK module, usually in an itk-module.cmake file
# in the module search path. The module name is the only required argument, all
# others are optional named arguments that will be outlined below.
# The following named options take one (or more) arguments, such as the names of
# dependent modules:
# DEPENDS = Modules that will be publicly linked to this module
# PRIVATE_DEPENDS = Modules that will be privately linked to this module
# COMPILE_DEPENDS = Modules that are needed at compile time by this module
# TEST_DEPENDS = Modules that are needed by this modules testing executables
# DESCRIPTION = Free text description of the module
# FACTORY_NAMES = List of <factories>::<formats> to register
#
# The following options take no arguments:
# EXCLUDE_FROM_DEFAULT = Exclude this module from the build default modules flag
# EXCLUDE_FROM_ALL = (depreciated) Exclude this module from the build all modules flag
# ENABLE_SHARED = Build this module as a shared library if the build shared libraries flag is set
#
# This macro will ensure the module name is compliant, and set the appropriate
# module variables as declared in the itk-module.cmake file.
#
# Note on dependency types:
# Public vs. Private Dependencies: Public dependencies are added to the modules
# INTERFACE_LINK_LIBRARIES which is a list of transitive link dependencies.
# When this module is linked to by another target the libraries listed (and
# recursively their link interface libraries) will be provided to the target
# also. Private dependencies are linked to by this module, but not
# added to INTERFACE_LINK_LIBRARIES.
#
# Compile dependencies: Compile Dependencies are added to CMake's list of
# dependencies for the current module ensuring that they are built before the
# current module, but will not be linked either publicly or privately, they are
# only used to support the building of the current module.
macro(itk_module _name)
itk_module_check_name(${_name})
set(itk-module ${_name})
set(itk-module-test ${_name}-Test)
set(_doing "")
set(ITK_MODULE_${itk-module}_DECLARED 1)
set(ITK_MODULE_${itk-module-test}_DECLARED 1)
set(ITK_MODULE_${itk-module}_DEPENDS "")
set(ITK_MODULE_${itk-module}_COMPILE_DEPENDS "")
set(ITK_MODULE_${itk-module}_PRIVATE_DEPENDS "")
set(ITK_MODULE_${itk-module}_FACTORY_NAMES "")
set(ITK_MODULE_${itk-module-test}_DEPENDS "${itk-module}")
set(ITK_MODULE_${itk-module}_DESCRIPTION "description")
set(ITK_MODULE_${itk-module}_EXCLUDE_FROM_DEFAULT 0)
set(ITK_MODULE_${itk-module}_ENABLE_SHARED 0)
foreach(arg ${ARGN})
### Parse itk_module named options
if("${arg}" MATCHES "^((|COMPILE_|PRIVATE_|TEST_|)DEPENDS|DESCRIPTION|DEFAULT|FACTORY_NAMES)$")
set(_doing "${arg}")
elseif("${arg}" MATCHES "^EXCLUDE_FROM_DEFAULT$")
set(_doing "")
set(ITK_MODULE_${itk-module}_EXCLUDE_FROM_DEFAULT 1)
elseif("${arg}" MATCHES "^EXCLUDE_FROM_ALL$") # To maintain backward compatibility
set(_doing "")
message(AUTHOR_WARNING "EXCLUDE_FROM_ALL is deprecated, please use EXCLUDE_FROM_DEFAULT.")
set(ITK_MODULE_${itk-module}_EXCLUDE_FROM_DEFAULT 1)
elseif("${arg}" MATCHES "^ENABLE_SHARED$")
set(_doing "")
set(ITK_MODULE_${itk-module}_ENABLE_SHARED 1)
### Parse named option parameters
elseif("${_doing}" MATCHES "^DEPENDS$")
list(APPEND ITK_MODULE_${itk-module}_DEPENDS "${arg}")
elseif("${_doing}" MATCHES "^TEST_DEPENDS$")
list(APPEND ITK_MODULE_${itk-module-test}_DEPENDS "${arg}")
elseif("${_doing}" MATCHES "^COMPILE_DEPENDS$")
list(APPEND ITK_MODULE_${itk-module}_COMPILE_DEPENDS "${arg}")
elseif("${_doing}" MATCHES "^PRIVATE_DEPENDS$")
list(APPEND ITK_MODULE_${itk-module}_PRIVATE_DEPENDS "${arg}")
elseif("${_doing}" MATCHES "^FACTORY_NAMES$")
list(APPEND ITK_MODULE_${itk-module}_FACTORY_NAMES "${arg}")
elseif("${_doing}" MATCHES "^DESCRIPTION$")
set(_doing "")
set(ITK_MODULE_${itk-module}_DESCRIPTION "${arg}")
elseif("${_doing}" MATCHES "^DEFAULT")
message(FATAL_ERROR "Invalid argument [DEFAULT]")
else()
set(_doing "")
message(AUTHOR_WARNING "Unknown argument [${arg}]")
endif()
endforeach()
list(SORT ITK_MODULE_${itk-module}_DEPENDS) # Deterministic order.
set(ITK_MODULE_${itk-module}_PUBLIC_DEPENDS ${ITK_MODULE_${itk-module}_DEPENDS} )
list(APPEND ITK_MODULE_${itk-module}_DEPENDS
${ITK_MODULE_${itk-module}_COMPILE_DEPENDS}
${ITK_MODULE_${itk-module}_PRIVATE_DEPENDS}
)
set(ITK_MODULE_${itk-module}_TRANSITIVE_DEPENDS
${ITK_MODULE_${itk-module}_PUBLIC_DEPENDS}
${ITK_MODULE_${itk-module}_COMPILE_DEPENDS}
)
unset(ITK_MODULE_${itk-module}_COMPILE_DEPENDS)
list(SORT ITK_MODULE_${itk-module}_DEPENDS) # Deterministic order.
if(ITK_MODULE_${itk-module}_TRANSITIVE_DEPENDS) # Don't sort an empty list
list(SORT ITK_MODULE_${itk-module}_TRANSITIVE_DEPENDS) # Deterministic order.
endif()
list(SORT ITK_MODULE_${itk-module}_PRIVATE_DEPENDS) # Deterministic order.
list(SORT ITK_MODULE_${itk-module-test}_DEPENDS) # Deterministic order.
if(ITK_MODULE_${itk-module}_FACTORY_NAMES) # Don't sort an empty list
list(SORT ITK_MODULE_${itk-module}_FACTORY_NAMES) # Deterministic order.
endif()
endmacro()
macro(itk_module_check_name _name)
if( NOT "${_name}" MATCHES "^[a-zA-Z][a-zA-Z0-9]*$")
message(FATAL_ERROR "Invalid module name: ${_name}")
endif()
endmacro()
macro(itk_module_impl)
include(itk-module.cmake) # Load module meta-data
set(${itk-module}_INSTALL_RUNTIME_DIR ${ITK_INSTALL_RUNTIME_DIR})
set(${itk-module}_INSTALL_LIBRARY_DIR ${ITK_INSTALL_LIBRARY_DIR})
set(${itk-module}_INSTALL_ARCHIVE_DIR ${ITK_INSTALL_ARCHIVE_DIR})
set(${itk-module}_INSTALL_INCLUDE_DIR ${ITK_INSTALL_INCLUDE_DIR})
# Collect all sources and headers for IDE projects.
set(_srcs "")
if("${CMAKE_GENERATOR}" MATCHES "Xcode|Visual Studio|KDevelop"
OR CMAKE_EXTRA_GENERATOR)
# Add sources to the module target for easy editing in the IDE.
set(_include ${${itk-module}_SOURCE_DIR}/include)
if(EXISTS ${_include})
set(_src ${${itk-module}_SOURCE_DIR}/src)
file(GLOB_RECURSE _srcs ${_src}/*.cxx)
file(GLOB_RECURSE _hdrs ${_include}/*.h ${_include}/*.hxx)
list(APPEND _srcs ${_hdrs})
endif()
endif()
# Create a ${itk-module}-all target to build the whole module.
add_custom_target(${itk-module}-all ALL SOURCES ${_srcs})
itk_module_use(${ITK_MODULE_${itk-module}_DEPENDS})
if(NOT DEFINED ${itk-module}_LIBRARIES)
set(${itk-module}_LIBRARIES "")
foreach(dep IN LISTS ITK_MODULE_${itk-module}_DEPENDS)
list(APPEND ${itk-module}_LIBRARIES "${${dep}_LIBRARIES}")
endforeach()
if(${itk-module}_LIBRARIES)
list(REMOVE_DUPLICATES ${itk-module}_LIBRARIES)
endif()
endif()
if(EXISTS ${${itk-module}_SOURCE_DIR}/include)
list(APPEND ${itk-module}_INCLUDE_DIRS ${${itk-module}_SOURCE_DIR}/include)
install(DIRECTORY include/ DESTINATION ${${itk-module}_INSTALL_INCLUDE_DIR} COMPONENT Development)
endif()
if(NOT ITK_SOURCE_DIR AND ${itk-module}_ENABLE_SHARED)
# When building a module outside the ITK source tree, if ENABLE_SHARED is enabled,
# find the export header.
list(APPEND ${itk-module}_INCLUDE_DIRS ${${itk-module}_BINARY_DIR}/include)
endif()
if(${itk-module}_INCLUDE_DIRS)
include_directories(${${itk-module}_INCLUDE_DIRS})
endif()
if(${itk-module}_SYSTEM_INCLUDE_DIRS)
include_directories(${${itk-module}_SYSTEM_INCLUDE_DIRS})
endif()
if(${itk-module}_SYSTEM_LIBRARY_DIRS)
link_directories(${${itk-module}_SYSTEM_LIBRARY_DIRS})
endif()
if(${itk-module}_THIRD_PARTY)
itk_module_warnings_disable(C CXX)
else()
if(ITK_USE_KWSTYLE)
itk_module_kwstyle_test( ${itk-module} )
endif()
if(ITK_CPPCHECK_TEST)
itk_module_cppcheck_test( ${itk-module} )
endif()
if(EXISTS "${${itk-module}_SOURCE_DIR}/include" AND BUILD_TESTING)
if("${itk-module}" MATCHES ITKGPU)
if(${ITK_USE_GPU})
itk_module_headertest(${itk-module})
endif()
else()
itk_module_headertest(${itk-module})
endif()
endif()
endif()
if(EXISTS ${${itk-module}_SOURCE_DIR}/src/CMakeLists.txt AND NOT ${itk-module}_NO_SRC)
set_property(GLOBAL APPEND PROPERTY ITKTargets_MODULES ${itk-module})
add_subdirectory(src)
endif()
# Target ${itk-module} may not exist if the module only contains header files
if(TARGET ${itk-module})
if( ITK_MODULE_${itk-module}_ENABLE_SHARED )
if(ITK_SOURCE_DIR)
set(_export_header_file "${ITKCommon_BINARY_DIR}/${itk-module}Export.h")
else()
set(_export_header_file "${${itk-module}_BINARY_DIR}/include/${itk-module}Export.h")
endif()
# Generate the export macro header for symbol visibility/Windows DLL declspec
generate_export_header(${itk-module}
EXPORT_FILE_NAME ${_export_header_file}
EXPORT_MACRO_NAME ${itk-module}_EXPORT
NO_EXPORT_MACRO_NAME ${itk-module}_HIDDEN
STATIC_DEFINE ITK_STATIC )
install(FILES
${_export_header_file}
DESTINATION ${${itk-module}_INSTALL_INCLUDE_DIR}
COMPONENT Development
)
endif()
if( (ITK_MODULE_${itk-module}_ENABLE_SHARED AND BUILD_SHARED_LIBS) OR (APPLE AND NOT BUILD_SHARED_LIBS) )
if (USE_COMPILER_HIDDEN_VISIBILITY)
# Prefer to use target properties supported by newer cmake
set_target_properties(${itk-module} PROPERTIES CXX_VISIBILITY_PRESET hidden)
set_target_properties(${itk-module} PROPERTIES C_VISIBILITY_PRESET hidden)
set_target_properties(${itk-module} PROPERTIES VISIBILITY_INLINES_HIDDEN 1)
endif()
endif()
endif()
set(itk-module-EXPORT_CODE-build "${${itk-module}_EXPORT_CODE_BUILD}")
set(itk-module-EXPORT_CODE-install "${${itk-module}_EXPORT_CODE_INSTALL}")
if(ITK_SOURCE_DIR)
# Uses ITKTargets.cmake
set(itk-module-TARGETS_FILE-build "")
set(itk-module-TARGETS_FILE-install "")
else()
set(itk-module-TARGETS_FILE-build "${${itk-module}_TARGETS_FILE_BUILD}")
set(itk-module-TARGETS_FILE-install "${${itk-module}_TARGETS_FILE_INSTALL}")
endif()
set(itk-module-ENABLE_SHARED "${ITK_MODULE_${itk-module}_ENABLE_SHARED}")
set(itk-module-DEPENDS "${ITK_MODULE_${itk-module}_DEPENDS}")
set(itk-module-PUBLIC_DEPENDS "${ITK_MODULE_${itk-module}_PUBLIC_DEPENDS}")
set(itk-module-TRANSITIVE_DEPENDS "${ITK_MODULE_${itk-module}_TRANSITIVE_DEPENDS}")
set(itk-module-PRIVATE_DEPENDS "${ITK_MODULE_${itk-module}_PRIVATE_DEPENDS}")
set(itk-module-FACTORY_NAMES "${ITK_MODULE_${itk-module}_FACTORY_NAMES}")
set(itk-module-LIBRARIES "${${itk-module}_LIBRARIES}")
set(itk-module-INCLUDE_DIRS-build "${${itk-module}_INCLUDE_DIRS}")
set(itk-module-INCLUDE_DIRS-install "\${ITK_INSTALL_PREFIX}/${${itk-module}_INSTALL_INCLUDE_DIR}")
if(${itk-module}_SYSTEM_INCLUDE_DIRS)
list(APPEND itk-module-INCLUDE_DIRS-build "${${itk-module}_SYSTEM_INCLUDE_DIRS}")
list(APPEND itk-module-INCLUDE_DIRS-install "${${itk-module}_SYSTEM_INCLUDE_DIRS}")
endif()
if(WIN32)
set(itk-module-RUNTIME_LIBRARY_DIRS-build "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
set(itk-module-RUNTIME_LIBRARY_DIRS-install "\${ITK_INSTALL_PREFIX}/${ITK_INSTALL_RUNTIME_DIR}")
else()
set(itk-module-RUNTIME_LIBRARY_DIRS-build "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}")
set(itk-module-RUNTIME_LIBRARY_DIRS-install "\${ITK_INSTALL_PREFIX}/${ITK_INSTALL_LIBRARY_DIR}")
endif()
set(itk-module-LIBRARY_DIRS "${${itk-module}_SYSTEM_LIBRARY_DIRS}")
set(itk-module-RUNTIME_LIBRARY_DIRS "${itk-module-RUNTIME_LIBRARY_DIRS-build}")
set(itk-module-INCLUDE_DIRS "${itk-module-INCLUDE_DIRS-build}")
set(itk-module-EXPORT_CODE "${itk-module-EXPORT_CODE-build}")
set(itk-module-TARGETS_FILE "${itk-module-TARGETS_FILE-build}")
configure_file(${_ITKModuleMacros_DIR}/ITKModuleInfo.cmake.in ${ITK_MODULES_DIR}/${itk-module}.cmake @ONLY)
set(itk-module-INCLUDE_DIRS "${itk-module-INCLUDE_DIRS-install}")
set(itk-module-EXPORT_CODE "${itk-module-EXPORT_CODE-install}")
set(itk-module-TARGETS_FILE "${itk-module-TARGETS_FILE-install}")
set(itk-module-RUNTIME_LIBRARY_DIRS "${itk-module-RUNTIME_LIBRARY_DIRS-install}")
configure_file(${_ITKModuleMacros_DIR}/ITKModuleInfo.cmake.in CMakeFiles/${itk-module}.cmake @ONLY)
install(FILES
${${itk-module}_BINARY_DIR}/CMakeFiles/${itk-module}.cmake
DESTINATION ${ITK_INSTALL_PACKAGE_DIR}/Modules
COMPONENT Development
)
itk_module_doxygen(${itk-module}) # module name
endmacro()
# itk_module_link_dependencies()
#
# Macro for linking to modules dependencies. Links this module to every
# dependency given to itk_module either publicly or privately.
macro(itk_module_link_dependencies)
# link to public dependencies
foreach(dep IN LISTS ITK_MODULE_${itk-module}_PUBLIC_DEPENDS)
if(DEFINED ${dep}_LIBRARIES)
target_link_libraries(${itk-module} LINK_PUBLIC ${${dep}_LIBRARIES})
elseif(DEFINED ${dep})
target_link_libraries(${itk-module} LINK_PUBLIC ${${dep}})
else()
message(FATAL_ERROR "Dependency \"${dep}\" not found: could not find [${dep}] or [${dep}_LIBRARIES]")
endif()
endforeach()
# link to private dependencies
foreach(dep IN LISTS ITK_MODULE_${itk-module}_PRIVATE_DEPENDS)
if(DEFINED ${dep}_LIBRARIES)
target_link_libraries(${itk-module} LINK_PRIVATE ${${dep}_LIBRARIES})
elseif(DEFINED ${dep})
target_link_libraries(${itk-module} LINK_PRIVATE ${${dep}})
else()
message(FATAL_ERROR "Dependency \"${dep}\" not found: could not find [${dep}] or [${dep}_LIBRARIES]")
endif()
endforeach()
endmacro()
macro(itk_module_test)
include(../itk-module.cmake) # Load module meta-data
set(${itk-module-test}_LIBRARIES "")
itk_module_use(${ITK_MODULE_${itk-module-test}_DEPENDS})
foreach(dep IN LISTS ITK_MODULE_${itk-module-test}_DEPENDS)
list(APPEND ${itk-module-test}_LIBRARIES "${${dep}_LIBRARIES}")
endforeach()
endmacro()
macro(itk_module_examples)
#Some modules have examples, and those should be hidden if the module is disabled, or examples are not requested
cmake_dependent_option(Module_${itk-module}_BUILD_EXAMPLES
"Build the examples for Module_${itk-module}"
ON
"BUILD_EXAMPLES OR ITK_BUILD_EXAMPLES;Module_${itk-module}"
OFF
)
if(Module_${itk-module}_BUILD_EXAMPLES)
if(ITK_SOURCE_DIR)
# If configuration is done from within ITK,
# point to internal ITKConfig.cmake
set(ITK_DIR ${ITK_BINARY_DIR}/CMakeTmp)
else()
# Ensure that executables get added to the current build tree instead of
# ITK's build tree when building as an external module.
if(CMAKE_RUNTIME_OUTPUT_DIRECTORY STREQUAL "${ITK_DIR}/bin")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
endif()
endif()
# Adds example subdirectory
add_subdirectory( examples )
if(ITK_SOURCE_DIR)
# Cleanup ITK_DIR variable that is currently pointing to the directory
# containing the internal version of "ITKConfig.cmake". The clean-up could
# be done directly inside ITKInternalConfig.cmake but it would not be
# obvious that it is done and therefore the CMake code would not be easy to read.
unset(ITK_DIR)
endif()
endif()
endmacro()
macro(itk_module_warnings_disable)
foreach(lang ${ARGN})
if(MSVC)
string(REGEX REPLACE "(^| )[/-]W[0-4]( |$)" " "
CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS}")
set(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} /W0")
elseif(BORLAND)
set(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} -w-")
else()
set(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} -w")
endif()
endforeach()
endmacro()
macro(itk_module_target_label _target_name)
if(itk-module)
set(_label ${itk-module})
if(TARGET ${itk-module}-all)
add_dependencies(${itk-module}-all ${_target_name})
endif()
else()
set(_label ${_ITKModuleMacros_DEFAULT_LABEL})
endif()
set_property(TARGET ${_target_name} PROPERTY LABELS ${_label})
endmacro()
macro(itk_module_target_name _name)
if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
set_property(TARGET ${_name} PROPERTY VERSION 1)
set_property(TARGET ${_name} PROPERTY SOVERSION 1)
endif()
if("${_name}" MATCHES "^[Ii][Tt][Kk]")
set(_itk "")
else()
set(_itk "itk")
endif()
# Support custom library suffix names, for other projects wanting to inject
# their own version numbers etc.
if(DEFINED ITK_CUSTOM_LIBRARY_SUFFIX)
set(_lib_suffix "${ITK_CUSTOM_LIBRARY_SUFFIX}")
else()
set(_lib_suffix "-${ITK_VERSION_MAJOR}.${ITK_VERSION_MINOR}")
endif()
set_property(TARGET ${_name} PROPERTY OUTPUT_NAME ${_itk}${_name}${_lib_suffix})
endmacro()
macro(itk_module_target_export _name)
export(TARGETS ${_name} APPEND FILE ${${itk-module}-targets-build})
endmacro()
macro(itk_module_target_install _name)
#Use specific runtime components for executables and libraries separately when installing a module,
#considering that the target of a module could be either an executable or a library.
get_property(_ttype TARGET ${_name} PROPERTY TYPE)
if("${_ttype}" STREQUAL EXECUTABLE)
set(runtime_component Runtime)
else()
set(runtime_component RuntimeLibraries)
endif()
install(TARGETS ${_name}
EXPORT ${${itk-module}-targets}
RUNTIME DESTINATION ${${itk-module}_INSTALL_RUNTIME_DIR} COMPONENT ${runtime_component}
LIBRARY DESTINATION ${${itk-module}_INSTALL_LIBRARY_DIR} COMPONENT RuntimeLibraries
ARCHIVE DESTINATION ${${itk-module}_INSTALL_ARCHIVE_DIR} COMPONENT Development
)
endmacro()
macro(itk_module_target _name)
set(_install 1)
foreach(arg ${ARGN})
if("${arg}" MATCHES "^(NO_INSTALL)$")
set(_install 0)
else()
message(FATAL_ERROR "Unknown argument [${arg}]")
endif()
endforeach()
itk_module_target_name(${_name})
itk_module_target_label(${_name})
itk_module_target_export(${_name})
if(_install)
itk_module_target_install(${_name})
endif()
endmacro()
# itk_module_add_library(_name LibrarySource1 LibrarySource2 ... LibrarySourceN)
#
# This macro is used to add a library in ITK modules. A typical module
# src/CMakeLists.txt will have contents like:
#
# set(MyModule_SRCS
# itkClass1.cxx
# itkClass2.cxx
# )
#
# itk_module_add_library(MyModule ${ModuleModule_SRCS})
#
macro(itk_module_add_library _name)
set(_LIBRARY_BUILD_TYPE "${ITK_LIBRARY_BUILD_TYPE}")
# If ENABLE_SHARED is not specified in the itk_module macro, then
# there is no export specification generated for the library. In
# such a case we fall back to the CMake default, instead of the ITK
# type.
if(NOT ITK_MODULE_${itk-module}_ENABLE_SHARED)
set(_LIBRARY_BUILD_TYPE)
endif()
add_library(${_name} ${_LIBRARY_BUILD_TYPE} ${ARGN})
target_compile_features(${_name} PUBLIC cxx_nullptr
cxx_override
cxx_constexpr
cxx_range_for
cxx_rvalue_references
cxx_static_assert
cxx_strong_enums
cxx_lambdas
cxx_noexcept
cxx_alias_templates )
itk_module_link_dependencies()
itk_module_target(${_name})
endmacro()