diff options
Diffstat (limited to 'nixos/modules/config/debug-info.nix')
-rw-r--r-- | nixos/modules/config/debug-info.nix | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/nixos/modules/config/debug-info.nix b/nixos/modules/config/debug-info.nix new file mode 100644 index 000000000000..a096a9809cee --- /dev/null +++ b/nixos/modules/config/debug-info.nix @@ -0,0 +1,46 @@ +{ config, lib, ... }: + +with lib; + +{ + + options = { + + environment.enableDebugInfo = mkOption { + type = types.bool; + default = false; + description = '' + Some NixOS packages provide debug symbols. However, these are + not included in the system closure by default to save disk + space. Enabling this option causes the debug symbols to appear + in <filename>/run/current-system/sw/lib/debug/.build-id</filename>, + where tools such as <command>gdb</command> can find them. + If you need debug symbols for a package that doesn't + provide them by default, you can enable them as follows: + <!-- FIXME: ugly, see #10721 --> + <programlisting> + nixpkgs.config.packageOverrides = pkgs: { + hello = overrideDerivation pkgs.hello (attrs: { + outputs = attrs.outputs or ["out"] ++ ["debug"]; + buildInputs = attrs.buildInputs ++ [<nixpkgs/pkgs/build-support/setup-hooks/separate-debug-info.sh>]; + }); + }; + </programlisting> + ''; + }; + + }; + + + config = { + + # FIXME: currently disabled because /lib is already in + # environment.pathsToLink, and we can't have both. + #environment.pathsToLink = [ "/lib/debug/.build-id" ]; + + environment.outputsToLink = + optional config.environment.enableDebugInfo "debug"; + + }; + +} |