function(echo_target_property tgt prop)
	# v for value, d for defined, s for set
	get_property(v TARGET ${tgt} PROPERTY ${prop})
	get_property(d TARGET ${tgt} PROPERTY ${prop} DEFINED)
	get_property(s TARGET ${tgt} PROPERTY ${prop} SET)
 
	# only produce output for values that are set
	if(s)
		message("tgt='${tgt}' prop='${prop}'")
		message("    value='${v}'")
		message("    defined='${d}'")
		message("    set='${s}'")
		message("")
	endif()
endfunction()
 
function(echo_target tgt)
	if(NOT TARGET ${tgt})
		message("There is no target named '${tgt}'")
		return()
	endif()

	set(props
		DEBUG_OUTPUT_NAME
		RELEASE_OUTPUT_NAME
		DEBUG_POSTFIX
		RELEASE_POSTFIX
		ARCHIVE_OUTPUT_DIRECTORY
		ARCHIVE_OUTPUT_DIRECTORY_DEBUG
		ARCHIVE_OUTPUT_DIRECTORY_RELEASE
		ARCHIVE_OUTPUT_NAME
		ARCHIVE_OUTPUT_NAME_DEBUG
		ARCHIVE_OUTPUT_NAME_RELEASE
		AUTOMOC
		AUTOMOC_MOC_OPTIONS
		BUILD_WITH_INSTALL_RPATH
		BUNDLE
		BUNDLE_EXTENSION
		COMPILE_DEFINITIONS
		COMPILE_DEFINITIONS_DEBUG
		COMPILE_DEFINITIONS_RELEASE
		COMPILE_FLAGS
		DEBUG_POSTFIX
		DEFINE_SYMBOL
		ENABLE_EXPORTS
		EXCLUDE_FROM_ALL
		EchoString
		FOLDER
		FRAMEWORK
		Fortran_FORMAT
		Fortran_MODULE_DIRECTORY
		GENERATOR_FILE_NAME
		GNUtoMS
		HAS_CXX
		IMPLICIT_DEPENDS_INCLUDE_TRANSFORM
		IMPORTED
		IMPORTED_CONFIGURATIONS
		IMPORTED_IMPLIB
		IMPORTED_IMPLIB_RELEASE
		IMPORTED_IMPLIB_RELEASE
		IMPORTED_LINK_DEPENDENT_LIBRARIES
		IMPORTED_LINK_DEPENDENT_LIBRARIES_DEBUG
		IMPORTED_LINK_DEPENDENT_LIBRARIES_RELEASE
		IMPORTED_LINK_INTERFACE_LANGUAGES
		IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG
		IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE
		IMPORTED_LINK_INTERFACE_LIBRARIES
		IMPORTED_LINK_INTERFACE_LIBRARIES_DEBUG
		IMPORTED_LINK_INTERFACE_LIBRARIES_RELEASE
		IMPORTED_LINK_INTERFACE_MULTIPLICITY
		IMPORTED_LINK_INTERFACE_MULTIPLICITY_DEBUG
		IMPORTED_LINK_INTERFACE_MULTIPLICITY_RELEASE
		IMPORTED_LOCATION
		IMPORTED_LOCATION_DEBUG
		IMPORTED_LOCATION_RELEASE
		IMPORTED_NO_SONAME
		IMPORTED_NO_SONAME_DEBUG
		IMPORTED_NO_SONAME_RELEASE
		IMPORTED_SONAME
		IMPORTED_SONAME_DEBUG
		IMPORTED_SONAME_RELEASE
		IMPORT_PREFIX
		IMPORT_SUFFIX
		INCLUDE_DIRECTORIES
		INSTALL_NAME_DIR
		INSTALL_RPATH
		INSTALL_RPATH_USE_LINK_PATH
		INTERPROCEDURAL_OPTIMIZATION
		INTERPROCEDURAL_OPTIMIZATION_DEBUG
		INTERPROCEDURAL_OPTIMIZATION_RELEASE
		LABELS
		LIBRARY_OUTPUT_DIRECTORY
		LIBRARY_OUTPUT_DIRECTORY_DEBUG
		LIBRARY_OUTPUT_DIRECTORY_RELEASE
		LIBRARY_OUTPUT_NAME
		LIBRARY_OUTPUT_NAME_DEBUG
		LIBRARY_OUTPUT_NAME_RELEASE
		LINKER_LANGUAGE
		LINK_DEPENDS
		LINK_LIBRARIES
		LINK_FLAGS
		LINK_FLAGS_DEBUG
		LINK_FLAGS_RELEASE
		LINK_INTERFACE_LIBRARIES
		LINK_INTERFACE_LIBRARIES_DEBUG
		LINK_INTERFACE_LIBRARIES_RELEASE
		LINK_INTERFACE_MULTIPLICITY
		LINK_INTERFACE_MULTIPLICITY_DEBUG
		LINK_INTERFACE_MULTIPLICITY_RELEASE
		LINK_SEARCH_END_STATIC
		LINK_SEARCH_START_STATIC
		LOCATION
		LOCATION_DEBUG
		LOCATION_RELEASE
		MACOSX_BUNDLE
		MACOSX_BUNDLE_INFO_PLIST
		MACOSX_FRAMEWORK_INFO_PLIST
		MAP_IMPORTED_CONFIG_DEBUG
		MAP_IMPORTED_CONFIG_RELEASE
		OSX_ARCHITECTURES
		OSX_ARCHITECTURES_DEBUG
		OSX_ARCHITECTURES_RELEASE
		OUTPUT_NAME
		OUTPUT_NAME_DEBUG
		OUTPUT_NAME_RELEASE
		POST_INSTALL_SCRIPT
		PREFIX
		PRE_INSTALL_SCRIPT
		PRIVATE_HEADER
		PROJECT_LABEL
		PUBLIC_HEADER
		RESOURCE
		RULE_LAUNCH_COMPILE
		RULE_LAUNCH_CUSTOM
		RULE_LAUNCH_LINK
		RUNTIME_OUTPUT_DIRECTORY
		RUNTIME_OUTPUT_DIRECTORY_DEBUG
		RUNTIME_OUTPUT_DIRECTORY_RELEASE
		RUNTIME_OUTPUT_NAME
		RUNTIME_OUTPUT_NAME_DEBUG
		RUNTIME_OUTPUT_NAME_RELEASE
		SKIP_BUILD_RPATH
		SOURCES
		SOVERSION
		STATIC_LIBRARY_FLAGS
		STATIC_LIBRARY_FLAGS_DEBUG
		STATIC_LIBRARY_FLAGS_RELEASE
		SUFFIX
		TYPE
		VERSION
		VS_DOTNET_REFERENCES
		VS_GLOBAL_KEYWORD
		VS_GLOBAL_PROJECT_TYPES
		VS_KEYWORD
		VS_SCC_AUXPATH
		VS_SCC_LOCALPATH
		VS_SCC_PROJECTNAME
		VS_SCC_PROVIDER
		VS_WINRT_EXTENSIONS
		VS_WINRT_REFERENCES
		WIN32_EXECUTABLE
	)

	message("======================== ${tgt} ========================")
	foreach(p ${props})
		echo_target_property("${tgt}" "${p}")
	endforeach()
	message("")

endfunction()

function(echo_targets)
	set(tgts ${ARGV})
	foreach(t ${tgts})
		echo_target("${t}")
	endforeach()
endfunction()