bundle feature is broken on macOS

[saty9]

Possibly relates to #1029

The bundled feature gives an error if you attempt to run the produced executable directly instead of using cargo run.

tested with version 0.34.{0,2,3}

./CrossFade
dyld: Library not loaded: @rpath/libSDL2-2.0.dylib
  Referenced from: /Users/kyle/CLionProjects/bedlam-cues-early-experiments/rust/target/release/./CrossFade
  Reason: image not found
zsh: abort      ./CrossFade

[Cobrand]

That is because cargo run adds this: https://github.com/Rust-SDL2/rust-sdl2/blob/master/sdl2-sys/build.rs#L525

Which tells your binary where to find SDL2 if it's needed. When you start your binary without cargo run, your OS can't find the dynamic library and outputs this message.

Two solutions:

• Copy the dylib to the same folder your binary is. Is in target/release/sdl2-sys-xxx/... and should be named SDL2-2.0.dylib or something.
• Use the static-link feature which compiles sdl2 statically instead of dynamically, removing the need of having sdl2.dylib

[saty9]

Thanks for speedy response that makes sense. Would you consider a pr that added a feature flag to copy that dylib/.something(I cant remember the linux equivalent) into the final target dir? I see this is already done for windows.

[Cobrand]

We already have many features so I'm not too fond of it. Windows does this because it's necessary for the tests/cargo run to run well, but it's not necessary for OSX and linux.

One thing you could do, is adding documentation about it instead. I have no idea where the best place to document that would be, though, perhaps the readme?

[TheRadioGuy]

One thing you could do, is adding documentation about it instead. I have no idea where the best place to document that would be, though, perhaps the readme?

I think we can use Wiki and add Troubleshooting section there

[schell]

I just tried compiling sdl2 statically using the static-link feature and ran into this error:

cargo build
   Compiling sdl2 v0.34.3
   Compiling sdl2-sys v0.34.3
error: failed to add native library /Users/schell/code/new-gods/target/debug/build/sdl2-sys-25280f9504461f51/out/lib/libSDL2main.a: file too small to be an archive

error: aborting due to previous error

error: could not compile `sdl2-sys`

[ctrlcctrlv]

Yes, static-link also broken, but I can't just disable it, I need it on some platforms, and I shouldn't have to disable it.

Cf. MFEK/glif#220, MFEK/glif#127.