diff -up gc-7.4.2/cord/cord.am.inst gc-7.4.2/cord/cord.am
--- gc-7.4.2/cord/cord.am.inst	2016-02-27 19:43:26.000000000 +0100
+++ gc-7.4.2/cord/cord.am	2016-02-27 19:43:48.000000000 +0100
@@ -22,4 +22,6 @@ EXTRA_DIST += \
         cord/tests/de_win.h \
         cord/tests/de_win.rc
 
-pkginclude_HEADERS += include/cord.h
+pkginclude_HEADERS += \
+        include/cord.h \
+        include/cord_pos.h