Add option environment.enableDebugInfo

This makes the debug outputs of packages that have them available to
programs like gdb.
This commit is contained in:
Eelco Dolstra 2015-10-30 15:16:48 +01:00
parent c20403631d
commit d9d5c98c56
4 changed files with 52 additions and 4 deletions

View file

@ -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 ++ [&lt;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";
};
}

View file

@ -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"

View file

@ -1,7 +1,8 @@
[
./config/debug-info.nix
./config/fonts/corefonts.nix
./config/fonts/fontconfig.nix
./config/fonts/fontconfig-ultimate.nix
./config/fonts/fontconfig.nix
./config/fonts/fontdir.nix
./config/fonts/fonts.nix
./config/fonts/ghostscript.nix
@ -22,9 +23,9 @@
./config/system-environment.nix
./config/system-path.nix
./config/timezone.nix
./config/vpnc.nix
./config/unix-odbc-drivers.nix
./config/users-groups.nix
./config/vpnc.nix
./config/zram.nix
./hardware/all-firmware.nix
./hardware/cpu/amd-microcode.nix

View file

@ -43,6 +43,8 @@ let
doInstallCheck = false;
separateDebugInfo = stdenv.isLinux;
crossAttrs = {
postUnpack =
'' export CPATH="${bzip2.crossDrv}/include"