> I've been writing a module, it is dependent on some GD functions, how
> can I detect that GD has been installed PHP native?
>
Taking a page out of Zend/zend_builtin_functions and the source code for the
extension_loaded() userspace function:
int gd_is_loaded = zend_hash_exists(&module_registry, "gd",
sizeof("gd"));
> Anything I can add to aclocal.m4 and/or configure.ac would be greatly
> appreciated.
>
You could adapt the stuff in ext/gd/config.m4 to look for and link libgd
yourself...
-Sara
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