Omnisharp Mono, Linux, Unity Instructions

[jalexspringer]

Hi - finally got this sorted out with some help over on the omnisharp-roslyn issues. I think that the README instructions for linux installation could use some more details. I am working with files created by Unity3d and needed to use the omnisharp-mono binaries to do so. It then requires additional tweaking to get the server to run from there.

Details on what finally got everything working perfectly for me are on this post: http://fbie.github.io/2017/04/06/omnisharp-mono-linux.html

I'm guessing that many linux users of Omnisharp are also working with Unity3d - would this be worth adding in the README? Happy to take a stab and make a pr if so.

[razzmatazz]

I definitely support for adding this to readme, please submit a PR.

Also, maybe it would be worth to create a package for omnisharp for you linux distro? Updating it can be pain though.. as releases come out often:

• https://github.com/OmniSharp/omnisharp-roslyn/releases

[razzmatazz]

Btw, there are plans to add automatic server download for omnisharp-emacs, as per #275

This would take a little bit of work to make it work in all cases/distros but should be portable, I think because omnisharp-mono.tgz binaries are .net/portable executables.

[willl]

@razzmatazz From what I'm aware, all of the omnisharp-*-netcoreapp.*.tar.gz versions will disappear in the future (as per #666) so hopefully that will simplify things for you with #275. Then you'll just need to decide which of the following variants should be downloaded

• Windows (x86 and x64)
• OSX
• Linux (x86 and x64)

[jalexspringer]

Alright - I'll keep it pretty simple then. Are there instances where the netcoreapp versions should be installed? Or should linux users just use the mono version in most instances?

As for making a package - I'm happy to take a stab at it but have never done so before. I'll start with the readme :)

[aleksandr-skobelev-epam]

Are you sure that copying System.Native library is needed? I tried it first but that didn't help: when I run omnisharp server from console it still crashed. But omnisharp-emacs uses the --stdio option, so it seems to run fine without this library. Just in case: I'm on macos.

[razzmatazz]

Could someone try the new omnisharp-install-server command which has recently been introduced (should work on macOS and Linux), — Windows native is not yet implemented. (As part of #275 )

It "works for me" on my macOS machine, but needs field testing.. Maybe this should make installation procedure easier for new people..

[lboklin]

@razzmatazz Holy shit it, "just works" for me on NixOS too! Very impressive and I'm so happy to finally have a usable IDE for work.

[razzmatazz]

@lboklin awesome! I didn't think it would be so easy.. good to hear!

[nico202]

@lboklin hi, is it still "just work"ing for you out of the box on nixos? mine is failing with

/home/USER/.emacs.d/.cache/omnisharp/server/v1.26.3/run: line 43: /home/USER/.emacs.d/.cache/omnisharp/server/v1.26.3/mono.linux-x86_64: No such file or directory

[lboklin]

@nico202 I don't write C# anymore these days so I'm not much of help. What I'd do is check the run script and run ldd on mono.linux-x86_64 to see what might be missing. For now you could try patchelf-ing it just to get it running, but obviously that's not a good solution in general.

[nico202]

I'm happy for you!

However ldd seems to be ok:
/home/USER/.emacs.d/.cache/omnisharp/server/v1.26.3/mono.linux-x86_64

        linux-vdso.so.1 (0x00007fff00b32000)                                                                                                                                                     
        libm.so.6 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib/libm.so.6 (0x00007f073728a000)
        librt.so.1 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib/librt.so.1 (0x00007f0737082000)
        libdl.so.2 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib/libdl.so.2 (0x00007f0736e7e000)
        libpthread.so.0 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib/libpthread.so.0 (0x00007f0736c60000)
        libgcc_s.so.1 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib/libgcc_s.so.1 (0x00007f0736a4a000)
        libc.so.6 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib/libc.so.6 (0x00007f0736698000)
        /lib64/ld-linux-x86-64.so.2 => /nix/store/2kcrj1ksd2a14bm5sky182fv2xwfhfap-glibc-2.26-131/lib64/ld-linux-x86-64.so.2 (0x00007f07375d6000)

edit: Ops I missed the linux-vdso.so.1