Re: [jamboost] Executing additional tools after build step

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-09-19 02:15:40

Hi Bojan,

> I am new to Boost.Build and I am introducing it as the build system
> at my company. Many times, we need to run a tool after a program has
> been generated. How would you suggest to do this?
>
> I was thinking of a custom generator, which would essentially perform
> the same task as built-in exe and lib generators, and run the additional
> program. I thought it might be used along the following lines:
>
> my-exe some_name : [ glob *.cpp ] : <post-run>tool ;
> my-lib a_lib : [ glob *.cpp ] : <post-run>tool ;
>
> However, I have no idea how to go about writing such a beast. Ideally,
> it would simply inherit from the built-in exe and lib rules and change
> properties or run the tool.
>
> Can you please point me in the right direction?

You can use the following:

exe main : main.cpp ;
notfile main_postprocess : @postprocess : main ;
actions postprocess
{ 
do_something $(>)
}

(Provided you use the CVS version).

For convenience, I attach my email describing this feature.

- Volodya

-- 
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build V2: http://boost.org/boost-build2
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Date: Mon, 11 Apr 2005 17:31:35 +0400
Subject: [jamboost] Proposal: 'notfile' main target
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I think it would be good to add a target that just runs some command, witho=
ut=20
creating any files. When such target is built, the command is just run, and=
=20
no up-to-date checks are made for any files.
There are two use cases.
1. In my projects the system tests are run with some rather long command. I=
'd=20
like to just type "bjam system-tests" and run that command.=20
2. Recently, C=E9dric wanted to run some tool on source .dsp files. And th=
ere's=20
no way to tell what the tool does and what files it produces. The tool just=
=20
must be run.
I propose this interface:
notfile <name> : <action> : <sources>=20
: <requirements> ... all the regular paramenters ;
The <action> parameter can have two forms:
1. "some command" in which case the command is run verbatim
For example
notfile say : "echo hi" ; =
=
=20
2. @name_of_the_rule, in which can the named rule/action will be invoked. F=
or=20
example:
notfile hello_valgrind : @valgrind : hello ;
actions valgrind
{
valgrind $(>)
}
The first will just execute the command. The second will invoke the 'valgri=
nd'=20
tool on the source -- the 'hello' target.
The implementation is ready -- it actually took me less time to code than=20
writing this message ;-) Any comments?
--=20
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build V2: http://boost.org/boost-build2
=20
Yahoo! Groups Links
=20
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