Hi Anatoly,
On 10.08.2014 10:16, anatoly techtonik wrote:
Hi,
I am looking at D SConstruct example.
http://stackoverflow.com/a/9917185/239247
How does Program determine that it needs to call D tool?
in this case the D Builders are registered with the Program() method as
"source builders". This means, if Program() encounters a non-object
extension (like the suffix ".d") it will look up its internal list of
source builders, and try to find one for converting ".d"->"*.o".
So the decision is based on the suffix of the source file.
What is the minimum information that tool should tell about
itself so that Program can determine its source files and not
confuse them with anything else?
Because this way you don't need to search for tool or initialize
it until there is a need to build source file for that tool. There
might be need to adjust default parameters for that tool, but
that's another problem.
So *on demand* Program tool initialization means that tool
is fully initialized only when build demands building targets
that are associated with some tool.
Is it possible to add this part already?
We have started to discuss these kind of things on the ToolchainRevamp
pages in the Wiki:
http://www.scons.org/wiki/ToolchainRevamp
and
http://scons.org/wiki/RevampToolsSubsystem
. Feel free to add your points and comments there.
Best regards,
Dirk
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