* make sure all source files have the "right" copyright.
* the following modules still use PHP3_TLS_*() macros (and thereby don't
work in ZTS mode): ext/dav/dav.c, ext/db/db.c, ext/gd/gd.c, ext/ldap/ldap.c
+ * INI system causes segfaults in ZTS mode (operates on static HashTable)
* make sure that all ZTS globals get destructed. Most ts_allocate_id()
calls should have a dtor entry.
* activate all extensions by default that don't rely on external