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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2015-10-30 15:16:48 +0100 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2015-10-30 15:21:16 +0100 |
commit | d9d5c98c56809d2941404751b2304beab4e00c3e (patch) | |
tree | a5fb048bbd8d4f9534f4d3b65bbc2d848338b2b9 /nixos/modules/config | |
parent | c20403631da45ab4eff6dc803d4701da421ad05a (diff) | |
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Add option environment.enableDebugInfo
This makes the debug outputs of packages that have them available to programs like gdb.
Diffstat (limited to 'nixos/modules/config')
-rw-r--r-- | nixos/modules/config/debug-info.nix | 46 | ||||
-rw-r--r-- | nixos/modules/config/system-path.nix | 3 |
2 files changed, 47 insertions, 2 deletions
diff --git a/nixos/modules/config/debug-info.nix b/nixos/modules/config/debug-info.nix new file mode 100644 index 00000000000..a096a9809ce --- /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"; + + }; + +} diff --git a/nixos/modules/config/system-path.nix b/nixos/modules/config/system-path.nix index f9257f578bf..e14e4cf1314 100644 --- a/nixos/modules/config/system-path.nix +++ b/nixos/modules/config/system-path.nix @@ -103,8 +103,7 @@ in [ "/bin" "/etc/xdg" "/info" - "/lib" # FIXME: remove - #"/lib/debug/.build-id" # enables GDB to find separated debug info + "/lib" # FIXME: remove and update debug-info.nix "/sbin" "/share/applications" "/share/desktop-directories" |