- AC_DEFINE(HAVE_GUESTFS_PHP, 1, [Whether you have libguestfs PHP bindings])
- PHP_NEW_EXTENSION(guestfs_php, guestfs_php.c, $ext_shared)
+ AC_DEFINE([HAVE_GUESTFS_PHP], [1], [Whether you have libguestfs PHP bindings])
+ PHP_NEW_EXTENSION([guestfs_php], [guestfs_php.c], [$ext_shared])