diff --git a/src/Makefile.am b/src/Makefile.am
index 324d0991..48d65582 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -67,6 +67,8 @@ common/rclconfig.cpp \
 common/rclconfig.h \
 common/rclinit.cpp \
 common/rclinit.h \
+common/syngroups.cpp \
+common/syngroups.h \
 common/textsplit.cpp \
 common/textsplit.h \
 common/unacpp.cpp \
diff --git a/src/common/Makefile b/src/common/Makefile
index b5bb6173..c30268bc 100644
--- a/src/common/Makefile
+++ b/src/common/Makefile
@@ -1,5 +1,5 @@
 
-PROGS = unacpp textsplit rclconfig
+PROGS = unacpp textsplit rclconfig syngroups
 
 all: $(PROGS) 
 
@@ -23,4 +23,11 @@ trrclconfig.o : rclconfig.cpp
 	$(CXX) $(ALL_CXXFLAGS) -DTEST_RCLCONFIG -c -o trrclconfig.o \
 	       rclconfig.cpp
 
+SYNGROUPS_OBJS= trsyngroups.o 
+syngroups : $(SYNGROUPS_OBJS) 
+	$(CXX) $(ALL_CXXFLAGS) -o syngroups $(SYNGROUPS_OBJS) $(LIBRECOLL) 
+trsyngroups.o : syngroups.cpp 
+	$(CXX) $(ALL_CXXFLAGS) -DTEST_SYNGROUPS -c -o trsyngroups.o \
+	       syngroups.cpp
+
 include ../utils/utmkdefs.mk