diff -Nrup a/makeint.h b/makeint.h
--- a/makeint.h	2016-05-21 16:22:32.000000000 -0400
+++ b/makeint.h	2017-06-08 23:00:34.957343608 -0400
@@ -596,7 +596,7 @@ long int lseek ();
 # endif
 
 # ifdef  HAVE_GETCWD
-#  if !defined(VMS) && !defined(__DECC)
+#  if !defined(VMS) && !defined(__DECC) && !defined(getcwd)
 char *getcwd ();
 #  endif
 # else