-diff -u -r ../php-5.6.15/ext/opcache/config.m4 ./ext/opcache/config.m4
---- ../php-5.6.15/ext/opcache/config.m4 2015-10-29 05:55:01.000000000 -0400
-+++ ./ext/opcache/config.m4 2015-11-10 15:24:37.080935147 -0500
-@@ -341,7 +341,15 @@
+diff -u -r ../php-7.2.3/ext/opcache/config.m4 ./ext/opcache/config.m4
+--- ../php-7.2.3/ext/opcache/config.m4 2018-02-27 16:33:06.000000000 +0000
++++ ./ext/opcache/config.m4 2018-03-10 23:38:51.259947633 +0000
+@@ -147,7 +147,9 @@
+ }
+ ],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)
+@@ -358,7 +360,15 @@