Use AVOID_MMAP.

diff --git a/gc/os_dep.c b/gc/os_dep.c
index a2a31c24c510021e369cf79f0160fe7f5e3dba55..29a5dce1e4c81ba1a4678d731c36068534a02ae3 100644 (file)
--- a/gc/os_dep.c
+++ b/gc/os_dep.c
@@ -1311,7 +1311,7 @@ word bytes;
 
 #else  /* Not RS6000 */
 
-#if defined(USE_MMAP)
+#if defined(USE_MMAP) && !defined(AVOID_MMAP)
 /* Tested only under Linux, IRIX5 and Solaris 2 */
 
 #ifdef USE_MMAP_FIXED