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Subject: Re: [Boost-build] prototyping alternative Boost.Build syntax
From: Stefan Seefeld (stefan_at_[hidden])
Date: 2016-10-28 12:44:35

On 28.10.2016 12:21, Steven Watanabe wrote:
> On 10/28/2016 09:31 AM, Stefan Seefeld wrote:
>> On 28.10.2016 11:10, Vladimir Prus wrote:
>>> Therefore b2:
>>> - Starts Python code
>>> - Provides a very small interface to declare low-level targets and
>>> actions
>>> - Does know know anything else about what Python code does.
>> Cool ! So what I'm after is that "small interface to declare low-level
>> targets and actions". Is that defined / documented somewhere ? What is
>> the code I need to read to understand that ?
> A target is just represented as a string in Jam and
> Python. The internal structures used by the back end
> are created on demand.

That doesn't help me much. If I want to define a new target I surely
need to invoke some `bjam` function (from the bjam module Vladimir just
mentioned) to declare that.

> The code for handling actions in Python, is in two places.
> In kernel/bootstrap.jam, there are a few Jam rules that are
> designed to be called from python, in particular,
> set-update-action(action, targets, sources, properties).
> There's also a bjam.define_action(name, body, bindlist, flags)
> implemented in builtins.c.

What is the Python interface for that ?


      ...ich hab' noch einen Koffer in Berlin...

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