diff --git a/configure b/configure

index 17b2ebf..9530f6b 100755

--- a/configure

+++ b/configure

@@ -33915,6 +33915,7 @@ done

   fi

   if test "x$SYSTEMD_LIBS" != "x" ; then

     CXXFLAGS="$SYSTEMD_CFLAGS $CXXFLAGS"

+    LDFLAGS="$SYSTEMD_LIBS $LDFLAGS"

 $as_echo "#define USE_SYSTEMD 1" >>confdefs.h

diff --git a/src/Debug.h b/src/Debug.h

index 6eecd01..ddd9e38 100644

--- a/src/Debug.h

+++ b/src/Debug.h

@@ -99,6 +99,10 @@ public:

     /// configures the active debugging context to write syslog ALERT

     static void ForceAlert();

+

+    /// prefixes each grouped debugs() line after the first one in the group

+    static std::ostream& Extra(std::ostream &os) { return os << "\n    "; }

+

 private:

     static Context *Current; ///< deepest active context; nil outside debugs()

 };

diff --git a/configure.ac b/configure.ac

index d3c5da8..806302c 100644

--- a/configure.ac

+++ b/configure.ac

@@ -2162,6 +2162,7 @@ if test "x$with_systemd" != "xno" -a "x$squid_host_os" = "xlinux"; then

   fi

   if test "x$SYSTEMD_LIBS" != "x" ; then

     CXXFLAGS="$SYSTEMD_CFLAGS $CXXFLAGS"

+    LDFLAGS="$SYSTEMD_LIBS $LDFLAGS"

     AC_DEFINE(USE_SYSTEMD,1,[systemd support is available])

   else

     with_systemd=no