build system

[Jacob Carlborg]

On 2011-10-26 15:39, Martin Nowak wrote:
> On Wed, 26 Oct 2011 12:26:56 +0200, Gor Gyolchanyan
> <gor.f.gyolchanyan at gmail.com> wrote:
>
>> I had a few thoughts about integrating build awareness into DMD.
>> It would be really cool to add a flag to DMD to make it compile and
>> link in all import-referenced modules.
>> Also, it would be awesome to store basic build information in modules
>> themselves in the form of special comments (much like documentation
>> comments), where one could specify external build dependencies, output
>> type, etc.
>> There would be no need for makefiles and extra build systems. You'd
>> just feed an arbitrary module to the compiler and the compiler would
>> build the target, to which that module belongs (bu parsing build
>> comments and package hierarchies).
>> Wouldn't this be a good thing to have?
>
> Some work in this direction has been done.
> This proposal works by communicating url paths sources to an external
> tool which is a flexible and good proposal.
> It allows things as 'http://path/to/repo' for simple source file from
> web fetching as well as 'pkg://experimental' for more sophisticated package
> manager interaction.
> http://www.prowiki.org/wiki4d/wiki.cgi?LanguageDevel/DIPs/DIP11
>
> I've written a prototype implementation some weeks ago.
>
> This still needs a way to communicated modules to build or link.
> For now I've simply added a pragma(build, <package>) which builds
> every import from this package (globally, it's a prototype).
>
> Al together it can be used like this.
> https://github.com/dawgfoto/graphics/blob/master/src/graphics/_.d
>
> There are some issues though that would benefit from good ideas.
> Especially a better solution for import path and build declarations
> would be great.
>
> DIP14 was not so well received.
> http://www.prowiki.org/wiki4d/wiki.cgi?LanguageDevel/DIPs/DIP14.
>
> martin

BTW, I don't think a build tool and a package manager should be mixed 
together in one tool. Instead they should be very well integrated with 
each other.

-- 
/Jacob Carlborg