diff -Naur bristuff-0.2.0-RC7j.orig/zaptel-1.0.6/Makefile bristuff-0.2.0-RC7j/zaptel-1.0.6/Makefile
--- bristuff-0.2.0-RC7j.orig/zaptel-1.0.6/Makefile	2005-03-01 11:02:13.000000000 +0000
+++ bristuff-0.2.0-RC7j/zaptel-1.0.6/Makefile	2005-03-01 20:39:26.735650363 +0000
@@ -43,11 +43,11 @@
 
 ifeq (${BUILDVER},linux24)
 #We only support DEVFS in linux 2.4 kernels, since its considered obsolete post 2.4
-DYNFS=$(ps ax | grep -v grep | grep -q devfsd && echo "yes")
+DYNFS=$(shell ps ax | grep -v grep | grep -q devfsd && echo "yes")
 endif
 ifeq (${BUILDVER},linux26)
 #Tests for newer linux-2.6 udev support
-DYNFS=$(ps ax | grep -v grep | grep udevd && echo "yes")
+DYNFS=$(shell ps ax | grep -v grep | grep udevd && echo "yes")
 endif