Re: reduce compilation times?

[Tom St Denis <tstdenis at ellipticsemi dot com>]

Duft Markus wrote:
> You didn't get the question: i was asking if a *change* in a header is
> recognized to affect a *certain* .cpp file, not how make handles
> dependencies and updates targets. Micorosft recognizes that a change in
> a certain struct inside a header file may not require a recompilation of
> a certain .cpp file if it doesn't use that struct. Thats what i asked
> for.
>   
Sounds like a nice feature, but honestly, I'm a bit paranoid, most of 
the time when I edit header files I just do a "make clean" first 
anyways.  In a lot of our smaller SDKs, we often do a clean as part of 
the "code/test/verify" cycle.  It's just simpler to make sure everything 
is fresh then have some lingering files that weren't picked up properly 
in a makefile.   On the larger projects we only clean if the headers 
change for obvious reasons.

But I can't say honestly that I spend more time editing header files 
than source files. 

Tom