--- a/Makefile.in
+++ b/Makefile.in
@@ -37,8 +37,8 @@
 X11INC	= @X_CFLAGS@
 X11LIB	= @X_LIBS@ @X_PRE_LIBS@ -lXmu -lX11 @X_EXTRA_LIBS@
 
-INCS	= -I. $(X11INC) -I$(srcdir)/missing 
-LIBS	= @LIBS@ -L$(srcdir) -lmissing
+INCS	= -I. $(X11INC) -I$(srcdir)/missing @TIRPC_CFLAGS@
+LIBS	= @LIBS@ -L$(srcdir) -lmissing @TIRPC_LIBS@
 
 INSTALL	= @INSTALL@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
--- a/configure.in
+++ b/configure.in
@@ -338,4 +338,6 @@
 AC_SUBST(SSLINC)
 AC_SUBST(SSLLIB)
 
+PKG_CHECK_MODULES([TIRPC], [libtirpc], [], [AC_MSG_NOTICE([Using glibc rpc support])])
+
 AC_OUTPUT(Makefile)