Fix duplicate .o file on QNX

* configure.ac (CYGWIN_OBJ): Leave empty on QNX.
Problem reported by Elad Lahav in:
https://lists.gnu.org/archive/html/emacs-devel/2017-10/msg00750.html

diff --git a/configure.ac b/configure.ac
index ca75136474e40bd7af4eb2c9a4662d6554eb4e40..d397e8fa7e1ab975e9384ec99665e708a3429e67 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5153,8 +5153,6 @@ elif test "$opsys" = "mingw32"; then
   CYGWIN_OBJ=
   PRE_ALLOC_OBJ=
   POST_ALLOC_OBJ=lastfile.o
-elif test "$opsys" = "qnxnto"; then
-  CYGWIN_OBJ=sheap.o
 else
   CYGWIN_OBJ=
   PRE_ALLOC_OBJ=lastfile.o