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: Tyson Marchuk (tmarchuk_at_[hidden])
Date: 2010-08-09 12:50:39

  Just to report on what I found...

I upgraded to milestone 12 (the latest package I could find on source 
forge) and it properly detects the dependency and waits to build the 
generated files until after the generator works. I didn't change any of 
my generator code just updated some stuff in site-config, etc. for our 
environment.

Thanks for the help,
-Tyson

On 2010/08/04 3:04 PM, Vladimir Prus wrote:
> 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
>
>
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