Re: [Boost-build] make more than one target with one custom command

Subject: Re: [Boost-build] make more than one target with one custom command
From: Roman Matsybora (matsic_at_[hidden])
Date: 2015-09-29 07:46:36

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This example invokes 2 actions for 2 targets 
What if 1 action makes 2 targets? 

29 сентября 2015, 14:33:52, от "Paulo Márcio Figueiredo Alves" < pauloalves1986_at_[hidden] >: 

If you take a look at https://github.com/boostorg/build/blob/develop/example/generator/soap.jam  line 64 you will see an example on how to create two targets. 
On Tue, Sep 29, 2015 at 5:42 AM Roman Matsybora < matsic_at_[hidden] > wrote: 
I know  all the files that will be produced. Can you provide example with 2 files generated and then sourced to exe? 

--- Исходное сообщение --- 
От кого: "Steven Watanabe" < watanabesj_at_[hidden] > 
Дата: 28 сентября 2015, 20:29:57 

AMDG

On 09/28/2015 11:02 AM, Roman Matsybora wrote:
> In Custom Command section of boost-build documentation there are 3 ways to use custom command: * using make rule 
> * using notfile rule * using generate rule 
> But all of these ways make only one target. 

Actually generate can produce multiple
targets (as long as you know all the
files that will be produced).  Just
create a list of all the targets and
return it from the generating rule.

> If project has some procedure that generates many source files at once, how can I declare them? 
> Example: 
> program make_sources creates a1.cpp and a2.cpp a1.cpp and a2.cpp are not available  before build. 
> 
> main target is exe a : a1.cpp a2.cpp ; 
> How to declare a1.cpp and a2.cpp targets? 
> 

In Christ,
Steven Watanabe

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