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 | Posted by Mike Parker in reply to WhatMeWorry | Permalink Reply |
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Mike Parker 
Posted in reply to WhatMeWorry
| On Sunday, 9 October 2016 at 01:24:57 UTC, WhatMeWorry wrote:
>
> I've got a little hello_window DUB project which uses these dependencies:
>
> dependency "derelict-util" version="~>2.0.6"
> dependency "derelict-glfw3" version="~>3.1.0"
> dependency "derelict-gl3" version="~>1.0.19"
> dependency "derelict-fi" version="~>2.0.3"
> dependency "derelict-ft" version="~>1.1.2"
> dependency "derelict-al" version="~>1.0.1"
>
>
> dub run --verbose --arch=x86_64 --force
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> successfully compiles and links hello_window.exe
>
> Going forward, I want to reuse common code, so I created a sub-directory called appropiately enough: common.
>
> And to quote M. Parker's Learning D, "...for imported modules to be compiled and linked, they should be passed to the compiler as well."
>
> So how do I get dub to call dmd with this pattern?
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> dmd hellow_window.d common/load_libraries.d
>
Subpackages are useful if you have mutiple projects in the same git repository. Otherwise, there are several ways to go about this, depending on what your intentions and what your directory structure looks like. Is the common subdirectory part of the same project? Is it an independent project you want to share between multiple projects? Are you planning on distributing the code (e.g. on github) or is it only for your local build system?
If common is an independent project with its own dub configuration, then you might use `dub add-local` to make it available to all of your other projects or, if you don't plan to distribute it, use a `path` instead of `version` for any projects that depend on it (in project A's dub.sdl: dependency "libcommon" path="../path/to/common").
If common is not an independent project (it has no dub configuration) then you can use `sourcePaths` (or `sourceFiles`) in the dub configuration of any projects that need it. Or you could copy it around into the source directory of any project that uses it and dub will compile it automatically:
- projectA
-- dub.sdl
--- source
----projecta
----common
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