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CMake/Tests/RunCMake/CompileFeatures/RunCMakeTest.cmake

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Features: Add cxx_auto_type. Record the availability of this feature for GNU 4.8 on (UNIX AND NOT APPLE) only. In the future, availability can be recorded for earlier GNU, for other platforms and for other compilers. Initially the affected configurations are as restricted as possible to allow for easy testing while extending the features vector in only one dimension. The error message when using the set_property API directly is not very good, but follow up commits will provide origin debugging of the property and a target_compile_features command which will provide a configure-time backtrace when possible.
2014-04-02 17:34:16 +04:00
include(RunCMake)
run_cmake(NotAFeature)
cmTarget: Allow populating COMPILE_FEATURES using generator expressions. Delay validation of the content as a feature if it contains a generator expression. It will be checked again at generate-time after evaluation.
2013-10-22 17:05:49 +04:00
run_cmake(NotAFeatureGenex)
cmTarget: Transitively evaluate compiler features. Extend the interface of the target_compile_features command with PUBLIC and INTERFACE keywords. Populate the INTERFACE_COMPILER_FEATURES target property if they are set. Consume the INTERFACE_COMPILER_FEATURES target property from linked dependent targets to determine the final required compiler features and the compile flag, if needed. Use the same pattern of origin-debugging which is used for other build properties.
2013-10-22 03:40:47 +04:00
run_cmake(NotAFeatureTransitive)
run_cmake(NotAFeature_OriginDebug)
run_cmake(NotAFeature_OriginDebugGenex)
run_cmake(NotAFeature_OriginDebugTransitive)
Add target_compile_features command. This can be used to set the compiler features required by particular targets. An error is issued at CMake time if the compiler does not support the required feature. If a language dialect flag is required by the features used, that will be added automatically. Base the target_compile_features command on cmTargetPropCommandBase. This gives us 'free' handling of IMPORTED, ALIAS, INTERFACE, non-compilable and missing targets.
2013-10-13 16:25:08 +04:00
run_cmake(NotAFeature_OriginDebug_target_compile_features)