RE: [cdt-dev] A few more build/project questions

["Sennikovsky, Mikhail" <mikhail.sennikovsky@xxxxxxxxx>]

Hi Sascha,

Sorry for not responding sooner.. 

My current thought is that the TYPE_CUSTOM dep calculator should be
used.
This would avoid hard-coding the .d file logic in the Internal Builder.
The Internal Builder seems to be used more frequently on windows, where
most of dev tools do not seem to support the GNU .d file mechanism,
while the TYPE_CUSTOM allows implementing any custom dependency
calculation logic.

The problem we might need to overcome here is that currently the tool
definition can specify one dep calculator assuming that it will be used
with the builder the dep calculator is written for.
This worked in the 3.x times when we did not have the tool-chain
modification functionality.
Now since the tool-chain tools and builder can be changed, the tool's
dep calculator might not be relevant for the builder being used.
So in the future we might want to allow the tool to provide more
advanced dep calculator settings to allow the appropriate dep calculator
to be used for the given builder, e.g. to use the TYPE_BUILD_COMMANDS
with the Gnu make and TYPE_CUSTOM for the Internal Builder.

Mikhail


-----Original Message-----
From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx]
On Behalf Of Sascha Radike
Sent: Tuesday, April 24, 2007 7:23 PM
To: 'CDT General developers list.'
Subject: Re: [cdt-dev] A few more build/project questions


Hi Mikhail,

>"This is implemented basically ;), i.e. in case the tool specifies the
>IManagedDependencyGeneratorType.TYPE_CUSTOM dep calculator it should be
used
>instead of the PDOM Dependency calculator."

>My questions is: Is such a calculator planned for 4.0?
>[Mikhail] No, as far as I can tell :(

> [Mikhail] Try implementing the custom dependency calculator as
mentioned
above and let me know if you have any problems with this approach.

[Sascha] Is IManagedDependencyGeneratorType.TYPE_CUSTOM the right
choice?
Looking at the docs I'd go for the TYPE_BUILD_COMMANDS. But this type
has
not been completely implemeted yet...as it seems. In BuildDescription it
says:

	case IManagedDependencyGeneratorType.TYPE_COMMAND:
	case IManagedDependencyGeneratorType.TYPE_BUILD_COMMANDS:
	case IManagedDependencyGeneratorType.TYPE_PREBUILD_COMMANDS:
		//TODO: may implement the .d file parsing for deps
calculation here
		//break;
	default:
		depGen = getPDOMDependencyGenerator();
		break;	

Thanks

Sascha

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