Make dependencies in KStars

[Jasem Mutlaq]

Try to install ccache and enable it in CMake, it helps reduce
compilation times.

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Best Regards,
Jasem Mutlaq



On Wed, May 13, 2020 at 5:56 AM Hy Murveit <murveit at gmail.com> wrote:

> *TL;DR* KStars makefiles seem to recompile everything (or a lot anyway)
> when seemingly small 'git pulls' come in. Wondering if there's something
> wrong with the setup. I'm not a cmake wizard.
>
> *Background:* I compile/test KStars mostly on my MacbookPro, and I find
> the compile times very reasonable there. However, when I am ready to test
> something with a telescope, I compile and run on my 4Gb RPi4. There it
> takes about 40 minutes for me to completely build the system (I run 'make
> -j6 kstars' and am compiling RelWithDebInfo) and for some reason, it often
> seems to build most of the system.
>
> *Gripe: *When I change a single .cpp in an Ekos module, yes, it seems to
> work fine, just recompile that file, then build the library, then build the
> binary. However, often I seem relatively small updates come in, and I
> notice very long compiles.  Do others notice this? I wish I could give
> concrete examples. Does anyone know how to analyze? E.g. is there a command
> to see what would be compiled (and why) before running the make? Is there a
> way to improve this?
>
> Thanks,
> Hy
>
>
>
>
>
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