Re: [Boost-build] Generating multiple CPP/H targets from a single source

Subject: Re: [Boost-build] Generating multiple CPP/H targets from a single source
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2010-08-04 17:04:24

Tyson Marchuk wrote:

>   Thanks for the reply Volodya.
> 
> I looked at the Generated headers section in the documentation, and I
> tried adding <implicit-dependency> to my Jamfile, but this doesn't seem
> to be solution. The generated files are in the same main target as the
> files that include them so according to the documentation this should be
> handled automatically.
> 
> My Jamfile (names changed) is just:
> <code>
> exe testQtAndCodeGenerator
>     :
>     SourceForCodeGenerator.idl
>     AQt4Dialog.ui
>     AQt4DialogWrapper.h
>     AQt4DialogWrapper.cxx
>     AnotherQt4Class.h
>     AnotherQt4Class.cxx
>     main.cxx
>     /qt4//QtCore
>     /qt4//QtGui
>     /codeGenerator//codeGenerator
>     : <include>.
>     ;
> 
> install bindir : testQtAndCodeGenerator : <location>../bin ;
> </code>
> 
> Note above that the code generator will turn SourceForCodeGenerator.idl
> into:
> SourceForCodeGenerator.h
> SourceForCodeGeneratorPlugin.h
> SourceForCodeGeneratorSupport.h
> SourceForCodeGenerator.cpp
> SourceForCodeGeneratorPlugin.cpp
> SourceForCodeGeneratorSupport.cpp
> 
> These headers will be included in the other source files in the project.
> 
> Maybe this feature was added in a later version of Boost.Build? I'm
> using milestone 10. 

You really should try a later version, then -- nightly built preferably.
Detection of dependencies from .cpp file to a generated header is something
that original jam lacked, and was implemented in Boost.Jam; but I don't
remember when exactly.

- Volodya