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# - Macros for generating a summary of enabled/disabled features
#
# PRINT_ENABLED_FEATURES()
# Print a summary of all enabled features. By default all successfull
# FIND_PACKAGE() calls will appear here, except the ones which used the
# QUIET keyword. Additional features can be added by appending an entry
# to the global ENABLED_FEATURES property. If SET_FEATURE_INFO() is
# used for that feature, the output will be much more informative.
#
# PRINT_DISABLED_FEATURES()
# Same as PRINT_ENABLED_FEATURES(), but for disabled features. It can
# be extended the same way by adding to the global property
# DISABLED_FEATURES.
#
# SET_FEATURE_INFO(NAME DESCRIPTION [URL [COMMENT] ] )
# Use this macro to set up information about the named feature, which will
# then be displayed by PRINT_ENABLED/DISABLED_FEATURES().
# Example: SET_FEATURE_INFO(LibXml2 "XML processing library."
# "http://xmlsoft.org/")
#
MACRO(SET_FEATURE_INFO _name _desc)
SET(_url "${ARGV2}")
SET(_comment "${ARGV3}")
SET_PROPERTY(GLOBAL PROPERTY ${_name}_DESCRIPTION "${_desc}" )
IF(_url MATCHES ".+")
SET_PROPERTY(GLOBAL PROPERTY ${_name}_URL "${_url}" )
ENDIF(_url MATCHES ".+")
IF(_comment MATCHES ".+")
SET_PROPERTY(GLOBAL PROPERTY ${_name}_COMMENT "${_comment}" )
ENDIF(_comment MATCHES ".+")
ENDMACRO(SET_FEATURE_INFO)
MACRO(_PRINT_FEATURES _property _text)
SET(_currentFeatureText "${_text}")
GET_PROPERTY(_EnabledFeatures GLOBAL PROPERTY ${_property})
FOREACH(_currentFeature ${_EnabledFeatures})
SET(_currentFeatureText "${_currentFeatureText}\n${_currentFeature}")
GET_PROPERTY(_info GLOBAL PROPERTY ${_currentFeature}_DESCRIPTION)
IF(_info)
SET(_currentFeatureText "${_currentFeatureText} , ${_info}")
ENDIF(_info)
GET_PROPERTY(_info GLOBAL PROPERTY ${_currentFeature}_URL)
IF(_info)
SET(_currentFeatureText "${_currentFeatureText} , <${_info}>")
ENDIF(_info)
GET_PROPERTY(_info GLOBAL PROPERTY ${_currentFeature}_COMMENT)
IF(_info)
SET(_currentFeatureText "${_currentFeatureText} , ${_info}")
ENDIF(_info)
ENDFOREACH(_currentFeature)
MESSAGE(STATUS "${_currentFeatureText}\n")
ENDMACRO(_PRINT_FEATURES)
MACRO(PRINT_ENABLED_FEATURES)
_PRINT_FEATURES( ENABLED_FEATURES "Enabled features:")
ENDMACRO(PRINT_ENABLED_FEATURES)
MACRO(PRINT_DISABLED_FEATURES)
_PRINT_FEATURES( DISABLED_FEATURES "Disabled features:")
ENDMACRO(PRINT_DISABLED_FEATURES)
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