Ocaml packages fix build on darwin

[Et7f3]

Description of changes

While testing #197367 I saw that many other package was broken with the same kind of error so I did a pass to fix the same error in multiple packages.
build log before this PR:

error: builder for '/nix/store/vihic2dgbd98lrl0sas2c647c6fz7dsz-ocaml-libvirt-0.6.1.5.drv' failed with exit code 2;
       last 10 log lines:
       > like 'CDEFLMPSUVYZX', is deprecated.
       > Use the equivalent signed form: +C+D+E+F+L+M+P+S+U+V+Y+Z+X-3.
       > Hint: Enabling or disabling a warning by its mnemonic name requires a + or - prefix.
       > Hint: Did you make a spelling mistake when using a mnemonic name?
       > ocamlmklib -o mllibvirt libvirt_c.o libvirt.cmo libvirt_version.cmo -L/nix/store/nv200j8plka6f5knmnsx8wqx7736pq43-libvirt-8.10.0/lib -lvirt
       > ld: file not found: /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation for architecture x86_64
       > clang-11: error: linker command failed with exit code 1 (use -v to see invocation)
       > make[1]: *** [Makefile:68: mllibvirt.cma] Error 2
       > make[1]: Leaving directory '/private/tmp/nix-build-ocaml-libvirt-0.6.1.5.drv-0/source/libvirt'
       > make: *** [Makefile:31: all] Error 1
       For full logs, run 'nix log /nix/store/vihic2dgbd98lrl0sas2c647c6fz7dsz-ocaml-libvirt-0.6.1.5.drv'.

Things done

copied from what is done with cairo2

For reviewer:

nix build .#ocamlPackages.bjack .#ocamlPackages.ffmpeg .#ocamlPackages.ffmpeg-av .#ocamlPackages.ffmpeg-avcodec .#ocamlPackages.ffmpeg-avdevice .#ocamlPackages.ffmpeg-avfilter .#ocamlPackages.ffmpeg-avutil .#ocamlPackages.ffmpeg-swresample .#ocamlPackages.ffmpeg-swscale .#ocamlPackages.gstreamer .#ocamlPackages.labltk .#ocamlPackages.ocaml_libvirt

(might be quicker than nixpkgs-review)

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandbox = true set in nix.conf? (See Nix manual)
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 23.05 Release Notes (or backporting 22.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
  • (Release notes changes) Ran nixos/doc/manual/md-to-db.sh to update generated release notes
• Fits CONTRIBUTING.md.

[Et7f3]

Does I profit of this PR to split deps on each line and sort them ?

[wegank]

I would prefer it to be in a separate PR whose name starts with treewide.

[wegank]

@ofborg build ocamlPackages.ocaml_libvirt ocamlPackages.labltk ocamlPackages.gstreamer ocamlPackages.ffmpeg-avutil ocamlPackages.bjack ocamlPackages.ffmpeg-avcodec ocamlPackages.ffmpeg-avfilter ocamlPackages.ffmpeg-swscale ocamlPackages.ffmpeg-av ocamlPackages.ffmpeg-avdevice ocamlPackages.ffmpeg-swresample

[nixos-discourse]

This pull request has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/prs-already-reviewed/2617/794