Subject: [PATCH 1/2] gnu: Add dbus-verbose.

From: Maxim Cournoyer <[email-masked]>
Date: Tue, 31 May 2022 09:30:53 -0400

* gnu/packages/glib.scm (dbus-verbose): New variable.
---
 gnu/packages/glib.scm | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/gnu/packages/glib.scm b/gnu/packages/glib.scm
index 30e5433776..25bd5871b0 100644
--- a/gnu/packages/glib.scm
+++ b/gnu/packages/glib.scm
@@ -176,6 +176,21 @@ (define dbus
 shared NFS home directories.")
     (license license:gpl2+)))                     ; or Academic Free License 2.1
 
+;;; The reason this is not enabled in the regular dbus package is because it
+;;; impacts the performance of D-Bus (including its library) as a whole, even
+;;; when the DBUS_VERBOSE environment variable is not set.
+(define-public dbus-verbose
+  (package/inherit dbus
+    (name "dbus-verbose")
+    (arguments (substitute-keyword-arguments (package-arguments dbus)
+                 ((#:configure-flags flags '())
+                  `(cons "--enable-verbose-mode" ,flags))))
+    (synopsis "D-Bus with verbose mode enabled for debugging")
+    (description "This variant D-Bus package is built with verbose mode, which
+eases debugging of D-Bus services by printing various debug information when
+the @code{DBUS_VERBOSE} environment variable is set to @samp{1}.  For more
+information, refer to the @samp{dbus-daemon(1)} man page.")))
+
 (define glib
   (package
     (name "glib")
-- 
2.36.0