diff --git a/cf/sunos.m4 b/cf/sunos.m4
index 938fc3a5e..d9aa52cb6 100644
--- a/cf/sunos.m4
+++ b/cf/sunos.m4
@@ -26,4 +26,5 @@ if test "$sunos" != no; then
 	AC_DEFINE_UNQUOTED(SunOS, $sunos, 
 		[Define to what version of SunOS you are running.])
 fi
+AM_CONDITIONAL(SUNOS, test "$sunos" != no)
 ])
diff --git a/lib/roken/Makefile.am b/lib/roken/Makefile.am
index f6d038f3f..0201a2c5a 100644
--- a/lib/roken/Makefile.am
+++ b/lib/roken/Makefile.am
@@ -198,6 +198,9 @@ EXTRA_libroken_la_SOURCES =	\
 	vis.hin	
 
 libroken_la_LIBADD = @LTLIBOBJS@ $(LIB_crypt) $(LIB_pidfile)
+if SUNOS
+libroken_la_LIBADD += -lnsl
+endif
 
 $(LTLIBOBJS) $(libroken_la_OBJECTS): roken.h $(XHEADERS)