diff --git a/Makefile.am b/Makefile.am
index 2bdbd26..50d23da 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,13 +7,28 @@
 openpower_occ_control_SOURCES = \
 	occ_finder.cpp \
 	occ_pass_through.cpp \
-	app.cpp
+	app.cpp \
+	org/open_power/OCC/PassThrough/error.cpp
+
+BUILT_SOURCES =  org/open_power/OCC/PassThrough/error.hpp \
+                 org/open_power/OCC/PassThrough/error.cpp
+
+CLEANFILES = ${BUILT_SOURCES}
 
 openpower_occ_control_LDFLAGS = \
 	$(SDBUSPLUS_LIBS) \
 	$(PHOSPHOR_LOGGING_LIBS) \
 	$(OPENPOWER_DBUS_INTERFACES_LIBS)
+
 openpower_occ_control_CXXFLAGS =
 	$(SDBUSPLUS_CFLAGS) \
 	$(PHOSPHOR_LOGGING_CFLAGS) \
 	$(OPENPOWER_DBUS_INTERFACES_CFLAGS)
+
+org/open_power/OCC/PassThrough/error.hpp: ${top_srcdir}/org/open_power/OCC/PassThrough.errors.yaml
+	@mkdir -p `dirname $@`
+	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-header org.open_power.OCC.PassThrough > $@
+
+org/open_power/OCC/PassThrough/error.cpp: ${top_srcdir}/org/open_power/OCC/PassThrough.errors.yaml
+	@mkdir -p `dirname $@`
+	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-cpp org.open_power.OCC.PassThrough > $@