[JdeRobot] Two questions: ArDrone deps & out-of-source build

[Victor Arribas]

[Resend message of 20 de octubre de 2015, 19:16 to f.perez475 en gmail.com
Fran, you can skip it]

Thanks Fran.

About 2: recently, chainned CMakeLists changed from:
add_subdirectory(child-folder, child-folder)
To:
add_subdirectory(child-folder)
First one overrides defauld build dir (cmake_current_binary_dir) with
source dir, so it forces an in-source compilation.
Now, it will be under binary_dir.
So for out-of-source compilation (mkdir build + cmake ..) all generated
files will be under build tree
(Nevertheless, cmake . will maitain in-source style for backward
compatibility).

Y love this change, but it will bite us in some ways (hardcoded relative
paths, in-source dependencies (=config files)).
Workaround? Just build in source, so...

Therefore, as long as not al cmakelists took this change, will be the
official method?
Just to adapt it if it is part of my changeset (so at least I test the
change).

About 3:
I do not understand cmake pretty well, neither possible behavior changes
since ancient versions.
So, for example, if we have:
jderobot/a/b/c (directories)
And b is just a cmakelist with add_subdirectory(c)
Could this cmakelists disapear in favor of
add_subdirectory(b/c) at 'a' level?

ps: only drawback to avoid it is that binary_dir will lost "c prefix"
hierarchy, so b will no longer be at binary path. But i have no idea.

2015-10-20 18:17 GMT+02:00 Francisco Pérez <f.perez475 en gmail.com>:

> Hi Victor,
>
> 1- As the ardrone_server driver needs the parrot SDK to work, it make sense
> that it throws an error if there is no SDK installed. If this error does
> not
> appear in compilation time, it has to be fixed. On the other hand it also
> depends on the installation method of JdeRobot, as the
> installation-by-packages would install all the dependencies automatically;
> if you, otherwise, choose the manual installation (from source) you'll need
> to install all the dependencies before compiling JdeRobot (which includes
> the ardrone SDK).
>
> 2- Which commit do you mean? I don't understand quite well this question :S
>
> 3- Do you mean in the JdeRobot compilation chain? I've not tested it, but I
> think it would exist a workaround for this! Fran or Roberto will know
> better!
>
>
>
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