Switch to side-by-side view

--- a/src/mk/Linux
+++ b/src/mk/Linux
@@ -5,5 +5,6 @@
 ALL_CXXFLAGS = $(CXXFLAGS) $(COMMONCXXFLAGS) $(LOCALCXXFLAGS) \
 	 -D_GNU_SOURCE 
 
-LIBSYS = -lpthread -ldl -lrt
-LIBSYSTHREADS = -lrt
+LIBSYS = -lpthread -ldl
+LIBSYSTHREADS = 
+