go: support FreeBSD

[rhelmot]

Description of changes

Simply marking support and re-downloading the hashes is enough to get everything to work. Tests were done by compiling syncthing.

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
  • x86_64-freebsd
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• 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/)
• 24.11 Release Notes (or backporting 23.11 and 24.05 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
• Fits CONTRIBUTING.md.

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[Mic92]

Does this only work with native compilation?

This fails for me so far:

nix-build -A pkgsCross.x86_64-freebsd.go
error:
       … while calling the 'derivationStrict' builtin
         at <nix/derivation-internal.nix>:9:12:
            8|
            9|   strict = derivationStrict drvAttrs;
             |            ^
           10|

       … while evaluating derivation 'go-x86_64-unknown-freebsd-1.22.5'
         whose name attribute is located at /home/joerg/git/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:334:7

       … while evaluating attribute 'CC_FOR_TARGET' of derivation 'go-x86_64-unknown-freebsd-1.22.5'
         at /home/joerg/git/nixpkgs/pkgs/development/compilers/go/1.22.nix:104:3:
          103|   # to be different from CC/CXX
          104|   CC_FOR_TARGET =
             |   ^
          105|     if isCross then

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: infinite recursion encountered
       at /home/joerg/git/nixpkgs/pkgs/os-specific/bsd/freebsd/pkgs/mkDerivation.nix:85:27:
           84|     // lib.optionalAttrs stdenv'.isDarwin { MKRELRO = "no"; }
           85|     // lib.optionalAttrs (stdenv'.cc.isClang or false) {
             |                           ^
           86|       HAVE_LLVM = lib.versions.major (lib.getVersion stdenv'.cc.cc);
┏━ 1 Errors:
┃ error:
┃        … while calling the 'derivationStrict' builtin
┃          at <nix/derivation-internal.nix>:9:12:
┃             8|
┃             9|   strict = derivationStrict drvAttrs;
┃              |            ^
┃            10|
┃
┃        … while evaluating derivation 'go-x86_64-unknown-freebsd-1.22.5'
┃          whose name attribute is located at /home/joerg/git/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:334:7
┃
┃        … while evaluating attribute 'CC_FOR_TARGET' of derivation 'go-x86_64-unknown-freebsd-1.22.5'
┃          at /home/joerg/git/nixpkgs/pkgs/development/compilers/go/1.22.nix:104:3:
┃           103|   # to be different from CC/CXX
┃           104|   CC_FOR_TARGET =
┃              |   ^
┃           105|     if isCross then
┃
┃        (stack trace truncated; use '--show-trace' to show the full, detailed trace)
┃
┃        error: infinite recursion encountered
┃        at /home/joerg/git/nixpkgs/pkgs/os-specific/bsd/freebsd/pkgs/mkDerivation.nix:85:27:
┃            84|     // lib.optionalAttrs stdenv'.isDarwin { MKRELRO = "no"; }
┃            85|     // lib.optionalAttrs (stdenv'.cc.isClang or false) {
┃              |                           ^
┃            86|       HAVE_LLVM = lib.versions.major (lib.getVersion stdenv'.cc.cc);
┣━━━
┗━ ∑ ⚠ Exited with 1 errors reported by nix at 19:06:55 after 0s

[rhelmot]

All of FreeBSD cross is broken pending #327815 but on my staging branch with all my pending PRs merged, I can confirm that I can build go programs for FreeBSD cross successfully :)

[rhelmot]

But yes, it also works native.