[cmake-developers] Integrate fixdep for kconfig

[Brad King]

On 10/02/2014 08:52 AM, Sam H. wrote:
> I try my best to describe my understanding.

Thanks for the explanation.

> My prototype patch is try to do what fixdep do in CMake.

It is do-able in the CMake "Makefile" generator but AFAICT cannot possibly
work for the Ninja generator or the VS/Xcode generators.  Those all let
the build tool do their own dependencies.

> 4. Do more configuration:
>     $ cd ..
>     $ make menuconfig
>     $ make silentoldconfig

In plain CMake, configuration like this is normally kept in CMake cache
variables and edited with ccmake or cmake-gui.  It's not the same interface
as menuconfig but it has the same capabilities and works on all platforms
CMake supports.

> Because the license issue and mmap() issue, codes need to be re-implement.

Yes.  The implementor also shouldn't look at the original source.

> However, I'm not familiar with CMake codes and C++.
> So what can I do if this feature could be accepted?

Personally I see little value in supporting an auxiliary configuration
system in a way that works only with one of our generators.  However,
if it can be implemented in a way that is not intrusive and can be
enabled optionally then it would be an acceptable patch.  There must
still be a way to follow autoconf.h with normal scanning if the kconfig
part is not enabled.

-Brad