Re: [Boost-build] Generator's target build directory?

Subject: Re: [Boost-build] Generator's target build directory?
From: Alexander Sack (pisymbol_at_[hidden])
Date: 2008-11-10 14:23:24

On Mon, Nov 10, 2008 at 12:20 PM, Vladimir Prus <ghost_at_[hidden]> wrote:
> On Monday 10 November 2008 18:34:15 Alexander Sack wrote:
>> I am trying to create a simple generator for Google's protobuf tool
>> which has the following syntax:
>>
>> protoc --cpp_out="<some directory>" <sourcefiles>
>>
>> This will turn:
>>
>> MyProtoBufs.proto --> MyProtoBufs.pb.cc and MyProtoBufs.pb.h
>>
>> My issues are:
>>
>> 1)  I don't know what to put in <some directory> to bjam can pick up
>> the resulting CPP source file so the corresponding compilation fails,
>> i.e. can I get the current target build (this my main issue)
>
> Assuming your generator is defined to accept PROTO targets, and generate CPP
> and H targets, then inside the action associated with your generator you can use:
>
>        $(<[1]:D)
>
> to get the directory where the target should be placed.

Using the above I am to get the protoc create the pb.cc file in the
right spot (thanks again) and then rename it by just issuing a copy
command.  However, now my issue is the generated header file, *.pb.h.
Right now its in obviously a variant build directory.  How the heck do
I include this file in other targets?   I'm thinking the simple
generator model is not going to cut it because of this (so close too).

-aps