That sounds like a decent solution from my point of view.
I will create an issue for this topic.
Regards,
Lars
Date: Fri, 13 Dec 2013 10:53:49 +0100
From: [email protected]
To: [email protected]; [email protected]; [email protected]
Subject: Re: [CMake] depend.make
On 13.12.2013 10:43, Lars wrote:
Using the include_regular_expression macro made a
huge difference. The build time was reduced by more than 50%.
The regular expression appear to be only applied to part of
the dependency file path. So in the case of Boost this
works pretty well for us because we use #include
<boost/filesystem.hpp> but more difficult to remove qt
dependency like #include <QDir>. How do you view adding a
feature that allow applying regex to the absolute path?
Secondly, the documentation of include_regular_expression should
probably mention something about the target string (relative
path, not absolute).
Maybe CMake could filter out includes in system directories (like
gcc -MM does).
System directories in this case could be directories added with e.g.
include_directories(SYSTEM).
Nils
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