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Re: [Paparazzi-devel] Dependency problem

From: Christophe De Wagter
Subject: Re: [Paparazzi-devel] Dependency problem
Date: Tue, 29 Oct 2013 13:03:44 +0100

paparazzi (or actually make) tracks dependencies quite well, however, make does not understand the xml-configuration well. 

 - So if for instance you change your xml and add a <define ... > somewhere, make does not understand which control or driver files are affected. You then MUST clean before recompile.
 - Even worse: if you change the board file to another arch in the middle of some work, it will only rebuild the changed c files so you can have object files compiled with different architectures being linked (which does fortunately not work)
 - And if you change a module.xml, the build system does not necessarly know it should recompile (whjile for subsystems it does know as it is makefile)

Our rules of thumb: 
 - make clean anytime you need to be really sure
 - certainly clean after every xml change

PS: thanks for the pull request. 


On Tue, Oct 29, 2013 at 12:01 PM, Ben Laurie <address@hidden> wrote:
On 28 October 2013 12:50, Felix Ruess <address@hidden> wrote:
> Hi Ben,
> seems that this is because the gps_ubx_ucenter.c file is INCLUDED in
> subsystems/gps/gps_ubx.c Line 271 rather than being added as a normal source
> file.
> While this was probably easier to implement (to allow access to ubx
> internals to the ucenter module) it's not very nice.
> Christophe may have more details as he wrote the gps_ubx_ucenter module.

I am sending a pull request that fixes this.

In general, though, it seems paparazzi doesn't track dependencies. Am
I right, or am I missing something?

> Cheers, Felix
> On Sat, Oct 26, 2013 at 7:55 PM, Ben Laurie <address@hidden> wrote:
>> If I modify gps_ubx_center.c, then rebuild ardrone2_raw, it does not
>> recompile that file...
>> _______________________________________________
>> Paparazzi-devel mailing list
>> address@hidden
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> Paparazzi-devel mailing list
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