diff --git a/readline/.Sanitize b/readline/.Sanitize
index e04dc0d648..176115f50e 100644
--- a/readline/.Sanitize
+++ b/readline/.Sanitize
@@ -41,8 +41,11 @@ keymaps.c
 keymaps.h
 readline.c
 readline.h
-sysdep-norm.h
 sysdep-aix.h
+sysdep-irix.h
+sysdep-newsos.h
+sysdep-norm.h
+sysdep-sco.h
 vi_keymap.c
 vi_mode.c
 
diff --git a/readline/Makefile.in b/readline/Makefile.in
index a3e16d7810..6e0794949d 100644
--- a/readline/Makefile.in
+++ b/readline/Makefile.in
@@ -79,7 +79,7 @@ history.info: history.texi
 readline.info: readline.texi inc-read.texi
 	$(MAKEINFO) -o readline.info $(srcdir)/readline.texi
 
-libreadline.a:	readline.o history.o funmap.o keymaps.o tilde.o vi_mode.o
+libreadline.a:	readline.o history.o funmap.o keymaps.o ../glob/tilde.o vi_mode.o
 		$(RM) -f libreadline.a
 		$(AR) $(AR_FLAGS) libreadline.a readline.o history.o funmap.o keymaps.o tilde.o vi_mode.o
 		$(RANLIB) libreadline.a
@@ -88,8 +88,7 @@ readline.o:	readline.h chardefs.h  keymaps.h history.h readline.c vi_mode.c
 history.o:	history.c history.h
 funmap.o:	readline.h
 keymaps.o:	emacs_keymap.c vi_keymap.c keymaps.h chardefs.h keymaps.c
-tilde.o:	../glob/tilde.c
-		$(CC) -c $(CFLAGS) $(LOCAL_INCLUDES) $(CPPFLAGS) $(READLINE_DEFINES) ../glob/tilde.c
+../glob/tilde.o:	../glob/tilde.c
 
 libtest:	libreadline.a libtest.c
 		$(CC) -o libtest $(CFLAGS) $(CPPFLAGS) -L. libtest.c -lreadline -ltermcap
diff --git a/readline/configure.in b/readline/configure.in
index e56aab61c6..ffc54b4547 100644
--- a/readline/configure.in
+++ b/readline/configure.in
@@ -14,7 +14,7 @@ files=sysdep-norm.h
 links=sysdep.h
 
 case "${host_os}" in
-m88kbcs | sysv* | irix*)
+m88kbcs | sysv*)
 	host_makefile_frag=config/hm-sysv
 	;;
 
@@ -24,11 +24,21 @@ aix*)
 	rs6000)	files=sysdep-aix.h
 	esac
 	;;
+
+irix*)
+	host_makefile_frag=config/hm-sysv
+	files=sysdep-irix.h
+	;;
+
+newsos*)
+	files=sysdep-newsos.h
+	;;
 esac
 
 case "${host_vendor}" in
 sco* )
 	host_makefile_frag=config/hm-sco
+	files=sysdep-sco.h
 	;;
 esac