[SOLVED] .pro-Files without HEADERS
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I was asked why we need to include the HEADERS into our .pro files. I should note that we do not use Creator as our primary IDE, we create the .pro-Files in order to use qmake for batch compilation.
Is there any good reason other than the IDE to include the HEADERS? Will omitting them cause dependency problems? Would a .pro-File without HEADERS still open & compile in Creator (for those of us who occasionally use that IDE)?
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Hi,
According to the "doc":http://doc.qt.digia.com/4.7/qmake-variable-reference.html#headers, the HEADERS variable is used by qmake to generate dependency information and detect if moc is required. So, yes, there are good reasons ;)
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But shouldn't adding a DEPENDSPATH to the path where the headers are located do the same thing?
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No, this tells qmake to check wether something has changed in these paths and rebuild if necessary
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If I understand you correctly, moc might not be run based on a header file change, even if the folder containing the header file is part of the DEPENDS_PATH.
Right? -
Yes, qmake will take the files from HEADERS and parse them to know if moc needs to be run.
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Thanks!
(Note: Seems like a plain "Thanks" does not conform to some posting rule. So I add this rather pointless explanation)
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You're welcome !
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