diff --git a/Makefile.am b/Makefile.am
index 42111b4..2323042 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,9 +27,11 @@ install-data-local:
 	$(LN_S) $(TEMPLATEDIR)/sysfs $(DESTDIR)$(SVCDIR)/sysfs
 	$(LN_S) $(TEMPLATEDIR)/devfs $(DESTDIR)$(SVCDIR)/devfs
 	$(LN_S) $(TEMPLATEDIR)/tmpfs $(DESTDIR)$(SVCDIR)/tmpfs
+if PYGOSCFG
 	$(LN_S) $(TEMPLATEDIR)/tmpfsrun $(DESTDIR)$(SVCDIR)/tmpfsrun
 	$(LN_S) $(TEMPLATEDIR)/tmpfsvar $(DESTDIR)$(SVCDIR)/tmpfsvar
 	$(LN_S) $(TEMPLATEDIR)/rootusr $(DESTDIR)$(SVCDIR)/rootusr
+endif
 	$(LN_S) $(TEMPLATEDIR)/vfs $(DESTDIR)$(SVCDIR)/vfs
 	$(LN_S) $(TEMPLATEDIR)/shutdown $(DESTDIR)$(SVCDIR)/shutdown
 	$(LN_S) $(TEMPLATEDIR)/reboot $(DESTDIR)$(SVCDIR)/reboot
diff --git a/configure.ac b/configure.ac
index 3ac614a..2f16261 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,17 @@ AC_PROG_RANLIB
 AC_PROG_MKDIR_P
 AC_PROG_LN_S
 
+AC_ARG_WITH([pygos],
+	[AS_HELP_STRING([--without-pygos],
+			[Disable Pygos specific default configuration])],
+	[case "${withval}" in
+	yes) AM_CONDITIONAL([PYGOSCFG], [true]) ;;
+	no)  AM_CONDITIONAL([PYGOSCFG], [false]) ;;
+	*) AC_MSG_ERROR([bad value ${withval} for --without-pygos]) ;;
+	esac],
+	[AM_CONDITIONAL([PYGOSCFG], [true])])
+
+
 AC_CONFIG_HEADERS([lib/include/config.h])
 AC_DEFINE_DIR(SVCDIR, sysconfdir/init.d, [Startup service directory])
 AC_DEFINE_DIR(TEMPLATEDIR, datadir/init, [Service template directory])
diff --git a/scripts/Makemodule.am b/scripts/Makemodule.am
index d09b603..7ed5b10 100644
--- a/scripts/Makemodule.am
+++ b/scripts/Makemodule.am
@@ -1,2 +1,6 @@
 scriptdir = @SCRIPTDIR@
-script_SCRIPTS = scripts/devfs.sh scripts/trymount.sh scripts/overlay.sh
+script_SCRIPTS = scripts/devfs.sh scripts/trymount.sh
+
+if PYGOSCFG
+script_SCRIPTS += scripts/overlay.sh
+endif
diff --git a/services/Makemodule.am b/services/Makemodule.am
index a19d833..5f3c1bb 100644
--- a/services/Makemodule.am
+++ b/services/Makemodule.am
@@ -4,7 +4,10 @@ init_DATA += services/sysctl services/hwclock services/sysinit
 init_DATA += services/reboot services/shutdown services/sigkill
 init_DATA += services/sigterm services/sync services/devfs
 init_DATA += services/sysfs services/procfs services/tmpfs
-init_DATA += services/tmpfsrun services/tmpfsvar services/vfs
-init_DATA += services/rootusr
+init_DATA += services/vfs
+
+if PYGOSCFG
+init_DATA += services/rootusr services/tmpfsrun services/tmpfsvar
+endif
 
 EXTRA_DIST += services/sysinit services/vfs