Merge pull request #20 from saghul/fix-compilation

Fix compilation on OSX

Author: MelindaShore

getdns.c

@@ -47,6 +47,8 @@
 #include "pygetdns.h"
 
 
+PyObject *getdns_error;
+
 
 PyMethodDef Context_methods[] = {
     { "get_api_information", (PyCFunction)context_get_api_information,

pygetdns.h

@@ -29,6 +29,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifndef PYGETDNS_H
+#define PYGETDNS_H
 
 #define GETDNS_STR_IPV4 "IPv4"
 #define GETDNS_STR_IPV6 "IPv6"
@@ -37,7 +39,7 @@
 # define UNUSED_PARAM(x) ((void)(x))
 #endif
 
-PyObject *getdns_error;
+extern PyObject *getdns_error;
 
 typedef struct pygetdns_libevent_callback_data  {
     void *userarg;
@@ -130,3 +132,5 @@ PyObject *dispatch_query(PyObject *context_capsule, void *name, uint16_t request
 PyObject *dispatch_query(PyObject *context_capsule, void *name, uint16_t request_type,
                          PyDictObject *extensions_obj, void *userarg, long tid, char *callback);
 #endif
+
+#endif /* PYGETDNS_H */