Extras: Redefined PyInt_AsSsize_T to PyLong_AsSsize_t.

Python 3 merges PyInt and PyLong types. This fixes the undefined symbol
error encountered when using the bindings with Python 3.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/extras/bindings/swig/python/lttng.i.in b/extras/bindings/swig/python/lttng.i.in
index 0d6d1e952634c0fcc5bbc1ef9045081d87bd558b..244bc2282da9639a432ba9820c9d787a56909d0f 100644 (file)
--- a/extras/bindings/swig/python/lttng.i.in
+++ b/extras/bindings/swig/python/lttng.i.in
@@ -15,6 +15,14 @@ multiple concurrent processes and threads. Tracing across multiple systems is al
 #include <lttng/lttng.h>
 %}
 
+%{
+#if PY_MAJOR_VERSION >= 3
+// The PyInt and PyLong types were unified as of Python 3
+// This makes the typemap code useable with both Python 2 and 3.
+#define PyInt_AsSsize_t PyLong_AsSsize_t
+#endif
+%}
+
 typedef unsigned int uint32_t;
 typedef int int32_t;
 typedef unsigned long long uint64_t;