macOS 10.14 Mojave

[kirelagin]

Ok, here comes:

› nix
dyld: Library not loaded: /usr/lib/system/libsystem_network.dylib
  Referenced from: /nix/store/12yshvbpz9hjn7khzzf0ar67kaw6g7f7-Libsystem-osx-10.11.6/lib/libSystem.B.dylib
  Reason: image not found
zsh: abort      nix

As far as I can tell, this happens to any nix-built binary.

I’ll try to look into it later today and will keep you updated.

@LnL7 @copumpkin @matthewbauer @dhess

[kirelagin]

Oh ok, I found NixOS/nix#2244 (I think that here is a more appropriate place for this issue).
Cool thing that the other one already has the tarball I was about to build :).

[kirelagin]

The tarball works.

[kirelagin]

Ok, I have rebuilt my entire system from this commit and everything seems to work. Would be nice if we could get this thing moving and have a cache. @LnL7

[kirelagin]

The only issue I have encountered so far is this during the linking of Setup.hs when building stack:

/nix/store/rx9pn9766x6w2xqm1gnwm0sfddflmdk1-clang-wrapper-5.0.2/bin/cc: line 183: /nix/store/d6jmw4m66b23ka02ir5y0f5p33adg27i-clang-5.0.2/bin/clang: Argument list too long

but I am not sure if this is specifically related to Mojave or comes from some other changes in master.

[LnL7]

@kirelagin You probably where not planning to rebuild the world, thank you very much for testing the change! I will look at the bootstrap tarball and build one this weekend. With that we should have compatibility in nixpkgs pretty soon.

Stack is unrelated https://hydra.nixos.org/build/76556895, see #42107 (comment)

[kirelagin]

You probably where not planning to rebuild the world

Well I can’t say that I wasn’t, because as I was pressing the “Install” button I suspected that something like this could happen, so when it happened I was not too shocked 🤷‍♂️.

What’s the strategy for handling different versions of macOS without breaking compatibility? I think this deleted library is needed on Sierra, isn’t it?

[LnL7]

This change shouldn't impact compatibility, this only changes the Libsystem shim we use to hide new symbols that might not be available on older versions (Libsystem is impure). Removing symbols or system libraries in that list generally works fine everywhere and if there is a problem it's usually only in a few packages.

[lundjordan]

Thanks @LnL7

Do we have a work around landed somewhere? I'm happy to install latest Mojave public beta and give things a test if there are instructions somewhere.

[kirelagin]

FTR I have just upgraded to public beta 2 and things are still working.

[kirelagin]

dyld: Symbol not found: ___CFObjCIsCollectable
  Referenced from: /nix/store/755gx21fb43rrvgmb88smbgagmdnlmmw-libsecurity_utilities-osx-10.7.5/lib/libsecurity_utilities.0.dylib
  Expected in: /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
 in /nix/store/755gx21fb43rrvgmb88smbgagmdnlmmw-libsecurity_utilities-osx-10.7.5/lib/libsecurity_utilities.0.dylib

🤔

[qolii]

What's the status of this? Does @LnL7's fix work, and if so, could be it be pulled in here?

(For reference, I am hitting this in the context of trying to execute curl https://nixos.org/nix/install | sh to install Nix on my Mojave system. If there is a workaround in the mean time, that would also be welcome!)