STYLE: document the behaviour of UTILITY_SOURCE in cross compiling mode
Alex
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@ -70,7 +70,13 @@ public:
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"this command specifies its location and name. The cache entry will "
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"this command specifies its location and name. The cache entry will "
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"not be set unless the path_to_source and all listed files exist. It "
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"not be set unless the path_to_source and all listed files exist. It "
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"is assumed that the source tree of the utility will have been built "
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"is assumed that the source tree of the utility will have been built "
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"before it is needed.";
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"before it is needed.\n"
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"When cross compiling CMake will print a warning if a UTILITY_SOURCE() "
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"command is executed, because in many cases it is used to build an "
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"executable which is executed later on. This doesn't work when "
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"cross compiling, since the executable can run only on their target "
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"platform. So in this case the cache entry has to be adjusted manually "
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"so it points to an executable which is runnable on the build host.";
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}
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}
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/** This command is kept for compatibility with older CMake versions. */
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/** This command is kept for compatibility with older CMake versions. */
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