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-rw-r--r--pkgs/os-specific/linux/systemd/default.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index 0311d46d1fc4a..e6872782b832a 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -144,6 +144,7 @@
 , docbook_xsl
 , docbook_xml_dtd_42
 , docbook_xml_dtd_45
+, withLogTrace ? false
 }:
 
 assert withImportd -> withCompression;
@@ -568,6 +569,8 @@ stdenv.mkDerivation (finalAttrs: {
   ] ++ lib.optionals withKmod [
     "-Dkmod=true"
     "-Dkmod-path=${kmod}/bin/kmod"
+  ] ++ lib.optionals withLogTrace [
+    "-Dlog-trace=true"
   ];
   preConfigure =
     let