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582 lines
22 KiB
582 lines
22 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FeatureSummary
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--------------
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Functions for generating a summary of enabled/disabled features.
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These functions can be used to generate a summary of enabled and disabled
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packages and/or feature for a build tree such as::
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-- The following OPTIONAL packages have been found:
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LibXml2 (required version >= 2.4), XML processing lib, <http://xmlsoft.org>
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* Enables HTML-import in MyWordProcessor
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* Enables odt-export in MyWordProcessor
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PNG , A PNG image library. , <http://www.libpng.org/pub/png/>
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* Enables saving screenshots
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-- The following OPTIONAL packages have not been found:
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Lua51 , The Lua scripting language. , <http://www.lua.org>
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* Enables macros in MyWordProcessor
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Foo , Foo provides cool stuff.
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Functions
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^^^^^^^^^
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#]=======================================================================]
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include("${CMAKE_CURRENT_LIST_DIR}/CMakeParseArguments.cmake")
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function(_FS_GET_FEATURE_SUMMARY _property _var _includeQuiet)
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set(_type "ANY")
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if("${_property}" MATCHES "REQUIRED_")
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set(_type "REQUIRED")
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elseif("${_property}" MATCHES "RECOMMENDED_")
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set(_type "RECOMMENDED")
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elseif("${_property}" MATCHES "RUNTIME_")
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set(_type "RUNTIME")
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elseif("${_property}" MATCHES "OPTIONAL_")
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set(_type "OPTIONAL")
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endif()
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if("${_property}" MATCHES "PACKAGES_FOUND")
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set(_property "PACKAGES_FOUND")
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elseif("${_property}" MATCHES "PACKAGES_NOT_FOUND")
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set(_property "PACKAGES_NOT_FOUND")
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endif()
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set(_currentFeatureText "")
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get_property(_EnabledFeatures GLOBAL PROPERTY ${_property})
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if(_EnabledFeatures)
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list(REMOVE_DUPLICATES _EnabledFeatures)
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endif(_EnabledFeatures)
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foreach(_currentFeature ${_EnabledFeatures})
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# does this package belong to the type we currently want to list ?
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get_property(_currentType GLOBAL PROPERTY _CMAKE_${_currentFeature}_TYPE)
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if(NOT _currentType)
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set(_currentType OPTIONAL)
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endif()
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if("${_type}" STREQUAL ANY OR "${_type}" STREQUAL "${_currentType}")
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# check whether the current feature/package should be in the output depending on whether it was QUIET or not
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set(includeThisOne TRUE)
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# skip QUIET packages, except if they are REQUIRED or INCLUDE_QUIET_PACKAGES has been set
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if((NOT "${_currentType}" STREQUAL "REQUIRED") AND NOT _includeQuiet)
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get_property(_isQuiet GLOBAL PROPERTY _CMAKE_${_currentFeature}_QUIET)
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if(_isQuiet)
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set(includeThisOne FALSE)
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endif()
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endif()
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get_property(_isTransitiveDepend
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GLOBAL PROPERTY _CMAKE_${_currentFeature}_TRANSITIVE_DEPENDENCY
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)
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if(_isTransitiveDepend)
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set(includeThisOne FALSE)
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endif()
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if(includeThisOne)
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string(APPEND _currentFeatureText "\n * ${_currentFeature}")
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get_property(_info GLOBAL PROPERTY _CMAKE_${_currentFeature}_REQUIRED_VERSION)
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if(_info)
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string(APPEND _currentFeatureText " (required version ${_info})")
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endif()
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get_property(_info GLOBAL PROPERTY _CMAKE_${_currentFeature}_DESCRIPTION)
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if(_info)
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string(APPEND _currentFeatureText " , ${_info}")
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endif()
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get_property(_info GLOBAL PROPERTY _CMAKE_${_currentFeature}_URL)
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if(_info)
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string(APPEND _currentFeatureText " , <${_info}>")
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endif()
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get_property(_info GLOBAL PROPERTY _CMAKE_${_currentFeature}_PURPOSE)
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foreach(_purpose ${_info})
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string(APPEND _currentFeatureText "\n ${_purpose}")
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endforeach()
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endif()
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endif()
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endforeach()
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set(${_var} "${_currentFeatureText}" PARENT_SCOPE)
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endfunction()
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#[=======================================================================[.rst:
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.. command:: feature_summary
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::
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feature_summary( [FILENAME <file>]
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[APPEND]
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[VAR <variable_name>]
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[INCLUDE_QUIET_PACKAGES]
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[FATAL_ON_MISSING_REQUIRED_PACKAGES]
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[DESCRIPTION "Found packages:"]
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WHAT (ALL | PACKAGES_FOUND | PACKAGES_NOT_FOUND
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| ENABLED_FEATURES | DISABLED_FEATURES)
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)
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The ``feature_summary()`` macro can be used to print information about
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enabled or disabled packages or features of a project. By default,
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only the names of the features/packages will be printed and their
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required version when one was specified. Use ``set_package_properties()``
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to add more useful information, like e.g. a download URL for the
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respective package or their purpose in the project.
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The ``WHAT`` option is the only mandatory option. Here you specify what
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information will be printed:
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``ALL``
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print everything
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``ENABLED_FEATURES``
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the list of all features which are enabled
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``DISABLED_FEATURES``
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the list of all features which are disabled
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``PACKAGES_FOUND``
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the list of all packages which have been found
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``PACKAGES_NOT_FOUND``
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the list of all packages which have not been found
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``OPTIONAL_PACKAGES_FOUND``
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only those packages which have been found which have the type OPTIONAL
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``OPTIONAL_PACKAGES_NOT_FOUND``
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only those packages which have not been found which have the type OPTIONAL
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``RECOMMENDED_PACKAGES_FOUND``
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only those packages which have been found which have the type RECOMMENDED
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``RECOMMENDED_PACKAGES_NOT_FOUND``
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only those packages which have not been found which have the type RECOMMENDED
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``REQUIRED_PACKAGES_FOUND``
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only those packages which have been found which have the type REQUIRED
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``REQUIRED_PACKAGES_NOT_FOUND``
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only those packages which have not been found which have the type REQUIRED
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``RUNTIME_PACKAGES_FOUND``
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only those packages which have been found which have the type RUNTIME
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``RUNTIME_PACKAGES_NOT_FOUND``
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only those packages which have not been found which have the type RUNTIME
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With the exception of the ``ALL`` value, these values can be combined
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in order to customize the output. For example:
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.. code-block:: cmake
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feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES)
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If a ``FILENAME`` is given, the information is printed into this file. If
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``APPEND`` is used, it is appended to this file, otherwise the file is
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overwritten if it already existed. If the VAR option is used, the
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information is "printed" into the specified variable. If ``FILENAME`` is
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not used, the information is printed to the terminal. Using the
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``DESCRIPTION`` option a description or headline can be set which will be
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printed above the actual content. If ``INCLUDE_QUIET_PACKAGES`` is given,
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packages which have been searched with ``find_package(... QUIET)`` will
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also be listed. By default they are skipped. If
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``FATAL_ON_MISSING_REQUIRED_PACKAGES`` is given, CMake will abort if a
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package which is marked as ``REQUIRED`` has not been found.
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Example 1, append everything to a file:
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.. code-block:: cmake
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include(FeatureSummary)
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feature_summary(WHAT ALL
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FILENAME ${CMAKE_BINARY_DIR}/all.log APPEND)
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Example 2, print the enabled features into the variable
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enabledFeaturesText, including QUIET packages:
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.. code-block:: cmake
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include(FeatureSummary)
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feature_summary(WHAT ENABLED_FEATURES
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INCLUDE_QUIET_PACKAGES
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DESCRIPTION "Enabled Features:"
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VAR enabledFeaturesText)
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message(STATUS "${enabledFeaturesText}")
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#]=======================================================================]
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function(FEATURE_SUMMARY)
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# CMAKE_PARSE_ARGUMENTS(<prefix> <options> <one_value_keywords> <multi_value_keywords> args...)
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set(options APPEND INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
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set(oneValueArgs FILENAME VAR DESCRIPTION)
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set(multiValueArgs WHAT)
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CMAKE_PARSE_ARGUMENTS(_FS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${_FIRST_ARG} ${ARGN})
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if(_FS_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown keywords given to FEATURE_SUMMARY(): \"${_FS_UNPARSED_ARGUMENTS}\"")
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endif()
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if(NOT _FS_WHAT)
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message(FATAL_ERROR "The call to FEATURE_SUMMARY() doesn't set the required WHAT argument.")
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endif()
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set(validWhatParts "ENABLED_FEATURES"
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"DISABLED_FEATURES"
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"PACKAGES_FOUND"
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"PACKAGES_NOT_FOUND"
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"OPTIONAL_PACKAGES_FOUND"
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"OPTIONAL_PACKAGES_NOT_FOUND"
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"RECOMMENDED_PACKAGES_FOUND"
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"RECOMMENDED_PACKAGES_NOT_FOUND"
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"REQUIRED_PACKAGES_FOUND"
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"REQUIRED_PACKAGES_NOT_FOUND"
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"RUNTIME_PACKAGES_FOUND"
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"RUNTIME_PACKAGES_NOT_FOUND")
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list(FIND validWhatParts "${_FS_WHAT}" indexInList)
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if(NOT "${indexInList}" STREQUAL "-1")
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_FS_GET_FEATURE_SUMMARY( ${_FS_WHAT} _featureSummary ${_FS_INCLUDE_QUIET_PACKAGES} )
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set(_fullText "${_FS_DESCRIPTION}${_featureSummary}\n")
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if (("${_FS_WHAT}" STREQUAL "REQUIRED_PACKAGES_NOT_FOUND") AND _featureSummary)
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set(requiredPackagesNotFound TRUE)
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endif()
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else()
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if("${_FS_WHAT}" STREQUAL "ALL")
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set(allWhatParts "ENABLED_FEATURES"
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"RUNTIME_PACKAGES_FOUND"
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"OPTIONAL_PACKAGES_FOUND"
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"RECOMMENDED_PACKAGES_FOUND"
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"REQUIRED_PACKAGES_FOUND"
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"DISABLED_FEATURES"
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"RUNTIME_PACKAGES_NOT_FOUND"
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"OPTIONAL_PACKAGES_NOT_FOUND"
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"RECOMMENDED_PACKAGES_NOT_FOUND"
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"REQUIRED_PACKAGES_NOT_FOUND"
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)
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else()
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set(allWhatParts)
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foreach(part ${_FS_WHAT})
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list(FIND validWhatParts "${part}" indexInList)
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if(NOT "${indexInList}" STREQUAL "-1")
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list(APPEND allWhatParts "${part}")
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else()
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if("${part}" STREQUAL "ALL")
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message(FATAL_ERROR "The WHAT argument of FEATURE_SUMMARY() contains ALL, which cannot be combined with other values.")
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else()
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message(FATAL_ERROR "The WHAT argument of FEATURE_SUMMARY() contains ${part}, which is not a valid value.")
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endif()
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endif()
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endforeach()
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endif()
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set(title_ENABLED_FEATURES "The following features have been enabled:")
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set(title_DISABLED_FEATURES "The following features have been disabled:")
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set(title_PACKAGES_FOUND "The following packages have been found:")
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set(title_PACKAGES_NOT_FOUND "The following packages have not been found:")
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set(title_OPTIONAL_PACKAGES_FOUND "The following OPTIONAL packages have been found:")
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set(title_OPTIONAL_PACKAGES_NOT_FOUND "The following OPTIONAL packages have not been found:")
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set(title_RECOMMENDED_PACKAGES_FOUND "The following RECOMMENDED packages have been found:")
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set(title_RECOMMENDED_PACKAGES_NOT_FOUND "The following RECOMMENDED packages have not been found:")
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set(title_REQUIRED_PACKAGES_FOUND "The following REQUIRED packages have been found:")
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set(title_REQUIRED_PACKAGES_NOT_FOUND "The following REQUIRED packages have not been found:")
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set(title_RUNTIME_PACKAGES_FOUND "The following RUNTIME packages have been found:")
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set(title_RUNTIME_PACKAGES_NOT_FOUND "The following RUNTIME packages have not been found:")
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set(_fullText "${_FS_DESCRIPTION}")
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foreach(part ${allWhatParts})
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set(_tmp)
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_FS_GET_FEATURE_SUMMARY( ${part} _tmp ${_FS_INCLUDE_QUIET_PACKAGES})
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if(_tmp)
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string(APPEND _fullText "\n-- ${title_${part}}\n${_tmp}\n")
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if("${part}" STREQUAL "REQUIRED_PACKAGES_NOT_FOUND")
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set(requiredPackagesNotFound TRUE)
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endif()
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endif()
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endforeach()
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endif()
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if(_FS_FILENAME)
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if(_FS_APPEND)
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file(APPEND "${_FS_FILENAME}" "${_fullText}")
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else()
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file(WRITE "${_FS_FILENAME}" "${_fullText}")
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endif()
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else()
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if(NOT _FS_VAR)
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message(STATUS "${_fullText}")
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endif()
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endif()
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if(_FS_VAR)
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set(${_FS_VAR} "${_fullText}" PARENT_SCOPE)
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endif()
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if(requiredPackagesNotFound AND _FS_FATAL_ON_MISSING_REQUIRED_PACKAGES)
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message(FATAL_ERROR "feature_summary() Error: REQUIRED package(s) are missing, aborting CMake run.")
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endif()
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endfunction()
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#[=======================================================================[.rst:
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.. command:: set_package_properties
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::
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set_package_properties(<name> PROPERTIES
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[ URL <url> ]
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[ DESCRIPTION <description> ]
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[ TYPE (RUNTIME|OPTIONAL|RECOMMENDED|REQUIRED) ]
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[ PURPOSE <purpose> ]
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)
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Use this macro to set up information about the named package, which
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can then be displayed via FEATURE_SUMMARY(). This can be done either
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directly in the Find-module or in the project which uses the module
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after the find_package() call. The features for which information can
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be set are added automatically by the find_package() command.
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``URL <url>``
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This should be the homepage of the package, or something similar.
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Ideally this is set already directly in the Find-module.
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``DESCRIPTION <description>``
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A short description what that package is, at most one sentence.
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Ideally this is set already directly in the Find-module.
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``TYPE <type>``
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What type of dependency has the using project on that package.
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Default is ``OPTIONAL``. In this case it is a package which can be used
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by the project when available at buildtime, but it also work without.
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``RECOMMENDED`` is similar to ``OPTIONAL``, i.e. the project will build if
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the package is not present, but the functionality of the resulting
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binaries will be severly limited. If a ``REQUIRED`` package is not
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available at buildtime, the project may not even build. This can be
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combined with the ``FATAL_ON_MISSING_REQUIRED_PACKAGES`` argument for
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``feature_summary()``. Last, a ``RUNTIME`` package is a package which is
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actually not used at all during the build, but which is required for
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actually running the resulting binaries. So if such a package is
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missing, the project can still be built, but it may not work later on.
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If ``set_package_properties()`` is called multiple times for the same
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package with different TYPEs, the ``TYPE`` is only changed to higher
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TYPEs (``RUNTIME < OPTIONAL < RECOMMENDED < REQUIRED``), lower TYPEs are
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ignored. The ``TYPE`` property is project-specific, so it cannot be set
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by the Find-module, but must be set in the project.
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``PURPOSE <purpose>``
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This describes which features this package enables in the
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project, i.e. it tells the user what functionality he gets in the
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resulting binaries. If set_package_properties() is called multiple
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times for a package, all PURPOSE properties are appended to a list of
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purposes of the package in the project. As the TYPE property, also
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the PURPOSE property is project-specific, so it cannot be set by the
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Find-module, but must be set in the project.
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Example for setting the info for a package:
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.. code-block:: cmake
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find_package(LibXml2)
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set_package_properties(LibXml2 PROPERTIES
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DESCRIPTION "A XML processing library."
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URL "http://xmlsoft.org/")
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# or
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set_package_properties(LibXml2 PROPERTIES
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TYPE RECOMMENDED
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PURPOSE "Enables HTML-import in MyWordProcessor")
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# or
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set_package_properties(LibXml2 PROPERTIES
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TYPE OPTIONAL
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PURPOSE "Enables odt-export in MyWordProcessor")
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find_package(DBUS)
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set_package_properties(DBUS PROPERTIES
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TYPE RUNTIME
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PURPOSE "Necessary to disable the screensaver during a presentation")
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#]=======================================================================]
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function(SET_PACKAGE_PROPERTIES _name _props)
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if(NOT "${_props}" STREQUAL "PROPERTIES")
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message(FATAL_ERROR "PROPERTIES keyword is missing in SET_PACKAGE_PROPERTIES() call.")
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endif()
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set(options ) # none
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set(oneValueArgs DESCRIPTION URL TYPE PURPOSE )
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set(multiValueArgs ) # none
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CMAKE_PARSE_ARGUMENTS(_SPP "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if(_SPP_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown keywords given to SET_PACKAGE_PROPERTIES(): \"${_SPP_UNPARSED_ARGUMENTS}\"")
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|
endif()
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|
if(_SPP_DESCRIPTION)
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|
get_property(_info GLOBAL PROPERTY _CMAKE_${_name}_DESCRIPTION)
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|
if(_info AND NOT "${_info}" STREQUAL "${_SPP_DESCRIPTION}")
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|
message(STATUS "Warning: Property DESCRIPTION for package ${_name} already set to \"${_info}\", overriding it with \"${_SPP_DESCRIPTION}\"")
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|
endif()
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|
set_property(GLOBAL PROPERTY _CMAKE_${_name}_DESCRIPTION "${_SPP_DESCRIPTION}" )
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|
endif()
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|
|
|
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|
if(_SPP_URL)
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|
get_property(_info GLOBAL PROPERTY _CMAKE_${_name}_URL)
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|
if(_info AND NOT "${_info}" STREQUAL "${_SPP_URL}")
|
|
message(STATUS "Warning: Property URL already set to \"${_info}\", overriding it with \"${_SPP_URL}\"")
|
|
endif()
|
|
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|
set_property(GLOBAL PROPERTY _CMAKE_${_name}_URL "${_SPP_URL}" )
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|
endif()
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|
|
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|
# handle the PURPOSE: use APPEND, since there can be multiple purposes for one package inside a project
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|
if(_SPP_PURPOSE)
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|
set_property(GLOBAL APPEND PROPERTY _CMAKE_${_name}_PURPOSE "${_SPP_PURPOSE}" )
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|
endif()
|
|
|
|
# handle the TYPE
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|
if(NOT _SPP_TYPE)
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|
set(_SPP_TYPE OPTIONAL)
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|
endif()
|
|
|
|
# List the supported types, according to their priority
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|
set(validTypes "RUNTIME" "OPTIONAL" "RECOMMENDED" "REQUIRED" )
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|
list(FIND validTypes ${_SPP_TYPE} _typeIndexInList)
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|
if("${_typeIndexInList}" STREQUAL "-1" )
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|
message(FATAL_ERROR "Bad package property type ${_SPP_TYPE} used in SET_PACKAGE_PROPERTIES(). "
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|
"Valid types are OPTIONAL, RECOMMENDED, REQUIRED and RUNTIME." )
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|
endif()
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|
get_property(_previousType GLOBAL PROPERTY _CMAKE_${_name}_TYPE)
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|
list(FIND validTypes "${_previousType}" _prevTypeIndexInList)
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|
|
|
# make sure a previously set TYPE is not overridden with a lower new TYPE:
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|
if("${_typeIndexInList}" GREATER "${_prevTypeIndexInList}")
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|
set_property(GLOBAL PROPERTY _CMAKE_${_name}_TYPE "${_SPP_TYPE}" )
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|
endif()
|
|
|
|
endfunction()
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#[=======================================================================[.rst:
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.. command:: add_feature_info
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::
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add_feature_info(<name> <enabled> <description>)
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Use this macro to add information about a feature with the given ``<name>``.
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``<enabled>`` contains whether this feature is enabled or not.
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``<description>`` is a text describing the feature. The information can
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be displayed using ``feature_summary()`` for ``ENABLED_FEATURES`` and
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``DISABLED_FEATURES`` respectively.
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Example for setting the info for a feature:
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.. code-block:: cmake
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option(WITH_FOO "Help for foo" ON)
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add_feature_info(Foo WITH_FOO "The Foo feature provides very cool stuff.")
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#]=======================================================================]
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function(ADD_FEATURE_INFO _name _enabled _desc)
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if (${_enabled})
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set_property(GLOBAL APPEND PROPERTY ENABLED_FEATURES "${_name}")
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else ()
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set_property(GLOBAL APPEND PROPERTY DISABLED_FEATURES "${_name}")
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endif ()
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set_property(GLOBAL PROPERTY _CMAKE_${_name}_DESCRIPTION "${_desc}" )
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endfunction()
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# The stuff below is only kept for compatibility
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#[=======================================================================[.rst:
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Legacy Macros
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^^^^^^^^^^^^^
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The following macros are provided for compatibility with previous
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CMake versions:
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.. command:: set_package_info
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::
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set_package_info(<name> <description> [ <url> [<purpose>] ])
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Use this macro to set up information about the named package, which
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can then be displayed via ``feature_summary()``. This can be done either
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directly in the Find-module or in the project which uses the module
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after the :command:`find_package` call. The features for which information
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can be set are added automatically by the ``find_package()`` command.
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#]=======================================================================]
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function(SET_PACKAGE_INFO _name _desc)
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unset(_url)
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unset(_purpose)
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if(ARGC GREATER 2)
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set(_url "${ARGV2}")
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endif()
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if(ARGC GREATER 3)
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set(_purpose "${ARGV3}")
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endif()
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set_property(GLOBAL PROPERTY _CMAKE_${_name}_DESCRIPTION "${_desc}" )
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if(NOT _url STREQUAL "")
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set_property(GLOBAL PROPERTY _CMAKE_${_name}_URL "${_url}" )
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endif()
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if(NOT _purpose STREQUAL "")
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set_property(GLOBAL APPEND PROPERTY _CMAKE_${_name}_PURPOSE "${_purpose}" )
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endif()
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endfunction()
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#[=======================================================================[.rst:
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.. command:: set_feature_info
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::
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set_feature_info(<name> <description> [<url>])
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Does the same as::
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set_package_info(<name> <description> <url>)
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#]=======================================================================]
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function(SET_FEATURE_INFO)
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SET_PACKAGE_INFO(${ARGN})
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endfunction()
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#[=======================================================================[.rst:
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.. command:: print_enabled_features
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::
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print_enabled_features()
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Does the same as
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.. code-block:: cmake
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feature_summary(WHAT ENABLED_FEATURES DESCRIPTION "Enabled features:")
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#]=======================================================================]
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function(PRINT_ENABLED_FEATURES)
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FEATURE_SUMMARY(WHAT ENABLED_FEATURES DESCRIPTION "Enabled features:")
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endfunction()
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#[=======================================================================[.rst:
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.. command:: print_disabled_features
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::
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print_disabled_features()
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Does the same as
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.. code-block:: cmake
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feature_summary(WHAT DISABLED_FEATURES DESCRIPTION "Disabled features:")
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#]=======================================================================]
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function(PRINT_DISABLED_FEATURES)
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FEATURE_SUMMARY(WHAT DISABLED_FEATURES DESCRIPTION "Disabled features:")
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endfunction()
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