diff --git a/configure b/configure
index e1ae0e884..8396e3ee3 100755
--- a/configure
+++ b/configure
@@ -3170,6 +3170,7 @@ fi
 case "$host_os" in
 	linux*)
 		CLDFLAGS="$CLDFLAGS -Wl,--version-script,.export.sym"
+		# equivalent to -rdynamic
 		ELDFLAGS="-Wl,--export-dynamic"
 		# FIXME Generate list and use --dynamic-list=.dlopen.sym
 		CLDWHOLEARCHIVE="-Wl,-whole-archive"
@@ -14363,7 +14364,6 @@ fi
 
 $as_echo "#define HAVE_REALTIME 1" >>confdefs.h
 
-		LIBS="-lrt $LIBS"
 		RT_LIB="-lrt"
 	else
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Disabling realtime clock" >&5
diff --git a/configure.in b/configure.in
index 2e5e015c8..4e1367957 100644
--- a/configure.in
+++ b/configure.in
@@ -31,6 +31,7 @@ AS_IF([test -z "$CFLAGS"], [COPTIMISE_FLAG="-O2"])
 case "$host_os" in
 	linux*)
 		CLDFLAGS="$CLDFLAGS -Wl,--version-script,.export.sym"
+		# equivalent to -rdynamic
 		ELDFLAGS="-Wl,--export-dynamic"
 		# FIXME Generate list and use --dynamic-list=.dlopen.sym
 		CLDWHOLEARCHIVE="-Wl,-whole-archive"
@@ -1675,7 +1676,6 @@ if test "$REALTIME" = yes; then
 
 	if test "$HAVE_REALTIME" = yes; then
 		AC_DEFINE([HAVE_REALTIME], 1, [Define to 1 to include support for realtime clock.])
-		LIBS="-lrt $LIBS"
 		RT_LIB="-lrt"
 	else
 		AC_MSG_WARN(Disabling realtime clock)
diff --git a/libdm/Makefile.in b/libdm/Makefile.in
index 3c9a4cefd..5adf99292 100644
--- a/libdm/Makefile.in
+++ b/libdm/Makefile.in
@@ -56,7 +56,7 @@ include $(top_builddir)/make.tmpl
 
 CFLAGS += $(UDEV_CFLAGS) $(VALGRIND_CFLAGS)
 
-LIBS += $(SELINUX_LIBS) $(UDEV_LIBS) $(PTHREAD_LIBS) $(M_LIBS)
+LIBS += $(RT_LIB) $(SELINUX_LIBS) $(UDEV_LIBS) $(PTHREAD_LIBS) $(M_LIBS)
 
 device-mapper: all