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-rw-r--r--src/include/c.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/include/c.h b/src/include/c.h
index 7c57430c81d..4ab3f8027a5 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -169,6 +169,17 @@
#define dummyret char
#endif
+/* Which __func__ symbol do we have, if any? */
+#ifdef HAVE_FUNCNAME__FUNC
+#define PG_FUNCNAME_MACRO __func__
+#else
+#ifdef HAVE_FUNCNAME__FUNCTION
+#define PG_FUNCNAME_MACRO __FUNCTION__
+#else
+#define PG_FUNCNAME_MACRO NULL
+#endif
+#endif
+
/* ----------------------------------------------------------------
* Section 2: bool, true, false, TRUE, FALSE, NULL
* ----------------------------------------------------------------