diff -u -r ../php-7.3.2/ext/opcache/config.m4 ./ext/opcache/config.m4
--- ../php-7.3.2/ext/opcache/config.m4	2019-02-05 13:10:04.000000000 +0000
+++ ./ext/opcache/config.m4	2019-02-09 01:48:59.965492259 +0000
@@ -145,7 +145,9 @@
 }
 ]])],[dnl
     AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
-    msg=yes],[msg=no],[msg=no])
+    msg=yes],[msg=no],
+    AC_DEFINE(HAVE_SHM_MMAP_ANON, 1, [Define if you have mmap(MAP_ANON) SHM support])
+    msg=yes)
   AC_MSG_RESULT([$msg])
 
   AC_MSG_CHECKING(for mmap() using /dev/zero shared memory support)