[riot-notifications] [RIOT-OS/RIOT] core: provide main thread as optional default module (#10971)
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Fri Feb 8 12:25:16 CET 2019
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### Contribution description
For a private project of mine I did not really need the main thread. At most I needed [it for some device-setup](https://github.com/miri64/RIOT_playground/blob/a02ca4e157e5afcb6e148103d7626271a585a3a2/wand/main.c#L274-L287) (I will also provide a feature to do that without `main()` that), but the rest was basically happening in ISR (or for other applications the action might happen in other threads). While it isn't really necessary for my specific case, as the board has a large enough memory, to cope with that, but basically I am wasting a lot of memory, just for simple initialization. As such I am wondering if we could provide a mechanism to completely remove the main-thread and is stack. This is my proposal for that.
Put here the description of your contribution:
- describe which part(s) of RIOT is (are) involved
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### Testing procedure
All applications should still compile and work as before. When compiling with `DISABLE_MODULE=core_main` most applications should still compile, they might not work properly anymore, but they should be significantly smaller.
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-- Commit Summary --
* make: Allow for true pseudo-submodules
* core: provide main thread as optional default module
-- File Changes --
M Makefile.base (2)
M core/kernel_init.c (10)
M makefiles/defaultmodules.inc.mk (2)
-- Patch Links --
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