2014-08-03 19:52:23 +02:00
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HEADER_FILE_ONLY
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----------------
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Is this source file only a header file.
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A property on a source file that indicates if the source file is a
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header file with no associated implementation. This is set
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automatically based on the file extension and is used by CMake to
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determine if certain dependency information should be computed.
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2017-07-20 19:35:53 +02:00
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By setting this property to ``ON``, you can disable compilation of
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the given source file, even if it should be compiled because it is
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part of the library's/executable's sources.
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This is useful if you have some source files which you somehow
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pre-process, and then add these pre-processed sources via
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:command:`add_library` or :command:`add_executable`. Normally, in IDE,
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there would be no reference of the original sources, only of these
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pre-processed sources. So by setting this property for all the original
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source files to ``ON``, and then either calling :command:`add_library`
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or :command:`add_executable` while passing both the pre-processed
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sources and the original sources, or by using :command:`target_sources`
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to add original source files will do exactly what would one expect, i.e.
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the original source files would be visible in IDE, and will not be built.
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