diff --git a/lemon/Makefile.am b/lemon/Makefile.am
--- a/lemon/Makefile.am
+++ b/lemon/Makefile.am
@@ -7,13 +7,16 @@
 lib_LTLIBRARIES += lemon/libemon.la
 
 lemon_libemon_la_SOURCES = \
-        lemon/base.cc
+        lemon/base.cc \
+        lemon/random.cc
+
 
 lemon_libemon_la_CXXFLAGS = $(GLPK_CFLAGS) $(CPLEX_CFLAGS) $(SOPLEX_CXXFLAGS)
 lemon_libemon_la_LDFLAGS = $(GLPK_LIBS) $(CPLEX_LIBS) $(SOPLEX_LIBS)
 
 lemon_HEADERS += \
         lemon/dim2.h \
+        lemon/random.h \
 	lemon/list_graph.h \
         lemon/tolerance.h