[CMake] CMake rebuilds every time

[David Cole]

What does your CMakeLists look like?

Only the necessary rebuild steps should be taken on an incremental build.

How do you invoke a rebuild? (Just typing 'make' or some other mechanism?)


On Mon, Oct 15, 2012 at 6:22 AM, Arindam Mukherjee
<arindam.mukerjee at gmail.com> wrote:
> Hi,
>
> I have a cross-platform build setup using cmake 2.8.9 which builds on
> 5 different OSs. However it rebuilds every time even when neither the
> Makefile timestamps nor the source file timastamps had changed.
> Examining the generated Makefiles I can see that all .o, .i and .s
> targets have been marked .PHONY. Don't know if this is the reason for
> it. How to fix this to not rebuild every time but do incremental
> builds?
>
> Thanks,
> Arindam
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