Support dependencies in Cargo.toml gated with cfg!

[koute]

Related: koute/stdweb#135

[kuviman]

Hello, it looks like there is also an issue if the dependency is specified multiple times for different targets, like:

[target.wasm32-unknown-emscripten.dependencies]
stdweb = "*"
[target.asmjs-unknown-emscripten.dependencies]
stdweb = "*"

This way, stdweb's JavaScript is only prepended to asmjs output

[koute]

@kuviman Thanks for the report; I've fixed in on the newest master. I'll try to release a new cargo-web with this fix today.

[svenstaro]

Still doesn't seem to work and I can't find the relevant commit. What's the status on this?

[koute]

@svenstaro By "I've fixed" I meant the issue reported by kuviman where specifing the dependency for multiple targets was broken, which is an orthogonal issue to cfg support. (Although it was reported here, so I've also replied here.)

[kuviman]

This one has been implemented, right?

Looks like its working for me

[koute]

Yes it is! (:

Closing.