libgomp.so.1 cannot open shared object file

[jemag]

I just wanted to leave this here for posterity of anyone else encountering the same issue, given that it took me some time to figure it out on my side.

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When opening Neovim once the plugin is intalled, I get the following error:

vim/_editor.lua:0: /home/jemag/dotfiles/neovim/.config/nvim/init.lua..nvim_exec2() called at /home/jemag/dotfiles/neovim/.config/nvim/init.lua:0[1]../home/jemag/.local/share/nvim/lazy/vscode-diff.nvim/plugin/vscode-diff.lua: Vim(source):E5113: Error while calling lua chunk: ...hare/nvim/lazy/vscode-diff.nvim/lua/vscode-diff/diff.lua:58: ...hare/nvim/lazy/vscode-diff.nvim/lua/vscode-diff/diff.lua:48: libgomp.so.1: cannot open shared object file: No such file or directory

I am currently running Arch on WSL and libgomp.so.1 is properly available within /usr/lib.

That being said, Neovim itself was installed using Nix. It seems that when trying to load the library with ffi inside the plugin, it cannot find my regular arch libgomp library, and since it is not available through my Nix installation, the plugin fails.

The solution, in my case, was to install libgcc.lib and make it available for neovim specifically using Home manager's :

    programs = {

      neovim = {
        enable = true;
        extraWrapperArgs = [
          "--prefix"
          "LD_LIBRARY_PATH"
          ":"
          "${pkgs.libgcc.lib}/lib"
        ];

There might be a simpler/better way to go about this though.

[esmuellert]

Edit: I just noticed that you did have libgomp installed so it might be another issue, but I believe static linking should solve it too.

Thanks for sharing. The issue is the same with #48 and this one reported on Reddit. The reason is that the OpenMP library used by the binary is missing on the OS, and the workaround is like you did to manually install it. A fix is to use clang to build and have libgomp static linked to the binary, so no one needs to install it even when the OS doesn't have it. I have been fixing other issues, and this will be the next on my list.

[esmuellert]

FYI, this is fixed in #60

[Knaifhogg]

I still had this issue when installing today. I have neovim installed using NIx Home Manager on my Ubuntu 22.

sudo apt search libgomp
libgomp1/jammy-updates,jammy-security,now 12.3.0-1ubuntu1~22.04.2 amd64 [installed,automatic]

I searched for the file on my system and none of the paths were /usr/lib/

/usr/libx32/libgomp.so.1
/usr/libx32/libgomp.so.1.0.0
/usr/local/crisv32/r101/lib/gcc/crisv32-axis-linux-gnu/4.7.2/libgomp.so.1
/usr/local/crisv32/r101/lib/gcc/crisv32-axis-linux-gnu/4.7.2/libgomp.so.1.0.0
/usr/lib32/libgomp.so.1
/usr/lib32/libgomp.so.1.0.0
/usr/x86_64-linux-gnu/lib/libgomp.so.1
/usr/x86_64-linux-gnu/lib/libgomp.so.1.0.0

I then installed libgomp1-amd64-cross which added:

/usr/lib/x86_64-linux-gnu/libgomp.so.1
/usr/lib/x86_64-linux-gnu/libgomp.so.1.0.0

These files I then copied to the plugin folder to make it work!