[CMake] 138% progress when building both all and not-in-all target?

[Dan Kegel]

On Fri, Jun 20, 2014 at 3:02 AM, David Cole <dlrdave at aol.com> wrote:
>>> 138%
>>> make -j4 all examples_noinst
>
>> I've seen this too but never noticed a pattern about when it happens.
>
> Does it always happen when naming more than one target with make -j?
>
> I thought you were not supposed to name more than one target with make -j...
> (but I don't understand fully exactly why that's a bad thing...)

make itself certainly doesn't have a bug along these lines; you can make -j
a hundred targets at once and it won't double-build -- if the Makefile
has proper dependencies.

I could try to demonstrate the problem with a tiny CMakeLists.txt,
but I'm not sure when I'll have time.
- Dan