Re: Custom compilers?

Hi Mirko.

> > > it's definitely possible, but you'd have to write your own cpptasks
> > compiler
> > > adapter.
> >
> > Interesting. Do you think it is possible to write one adapter that can
> > be configured (e.g. reads all necessary information like
> > path-to-executable from properties, etc)?
> 
> That, too, should be possible, in my opinion. In practice, your Ant script
> will still have to make accommodations for various differences between the
> target platforms (library naming scheme, custom optimization options,
> etc.). You can find an old article that I wrote long time ago still on-line
> at DDJ: http://www.ddj.com/architect/184405433
> 
> cpptasks encapsulates things like include path, library path,
> multi-threading level, warning level, and output type, but the
> <compilerarg> elements will still contain literal switches that are custom
> to a particular compiler. You could introduce additional abstract elements
> like, for example, <optimization level="..."/> or <compliance level="posix">
> to give you a higher-level view of things and have the
> compiler adapter figure out what it means on command-line level. I imagine
> there will still be some platform-specific odds and ends that just need to
> go into their own conditional <compilerarg>.

Ah, compilerarg is no problem I think. Right now we are using a
Make-based build system and we already have to deal with that. We
basically have many different configurations for the target systems,
each with their own set of compiler/linker/etc executable paths,
compiler switches, etc. I would need to do something similar with ant
and cpptasks. I think I can implement/extend a compiler adapter for my
use cases.

> Back when I was working on this, I actually developed an XML-based "option
> description language" that provided an abstract description of a compiler's
> options (for example, "-l is a boolean option and means ...", "-r can be
> followed by a number between 1 and 4, where 1 means ..., 2 means ..., ...",
> etc.). This was actually used for automatically creating an Eclipse GUI, but
> you could come up with a similar description language for generic cpptasks
> compiler adapters.

Interesting. Sounds like a reasonable idea.

/Roman

-- 
http://kennke.org/blog/

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