Add compatibility macro for PQsetTraceFlags

Avoid a warning of implicit declaration compiling with libpq < 14.

diff --git a/psycopg_c/psycopg_c/pq/libpq.pxd b/psycopg_c/psycopg_c/pq/libpq.pxd
index b66ca8cd2f9658966de9f719463f23256c85ae8c..b554ff365c01abc933fbaa9973864cb69f2be713 100644 (file)
--- a/psycopg_c/psycopg_c/pq/libpq.pxd
+++ b/psycopg_c/psycopg_c/pq/libpq.pxd
@@ -316,5 +316,6 @@ typedef enum {
 #define PQexitPipelineMode(conn) 1
 #define PQpipelineSync(conn) 0
 #define PQsendFlushRequest(conn) 0
+#define PQsetTraceFlags(conn, stream) do {} while (0)
 #endif
 """