From b7fa92967161e301b0990dcb6c4c842fd4747ae7 Mon Sep 17 00:00:00 2001
From: Douglas Katzman <dougk@google.com>
Date: Wed, 5 Jul 2017 19:03:53 -0400
Subject: [PATCH] Only compile os_zero() for cheneygc

---
 src/runtime/os-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/runtime/os-common.c b/src/runtime/os-common.c
index 2c1e80f1b..de50de24e 100644
--- a/src/runtime/os-common.c
+++ b/src/runtime/os-common.c
@@ -37,6 +37,7 @@
  * instead. See hpux-os.c for some useful restrictions on actual
  * usage. */
 
+#ifdef LISP_FEATURE_CHENEYGC
 void
 os_zero(os_vm_address_t addr, os_vm_size_t length)
 {
@@ -70,6 +71,7 @@ os_zero(os_vm_address_t addr, os_vm_size_t length)
                  addr);
     }
 }
+#endif
 
 os_vm_address_t
 os_allocate(os_vm_size_t len)
-- 
2.11.4.GIT