From df10a7ec9b537afae26da141810205c742e0d5b4 Mon Sep 17 00:00:00 2001
From: Christian Decker <decker.christian@gmail.com>
Date: Thu, 27 Jul 2023 14:35:18 +0930
Subject: [PATCH] config: Detect presence of USDT header in configure

---
 configure | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure b/configure
index 8a5b00c1f..807d4ab46 100755
--- a/configure
+++ b/configure
@@ -413,6 +413,18 @@ int main(void)
 	return 0;
 }
 /*END*/
+var=HAVE_USDT
+desc=User Statically-Defined Tracing (USDT)
+style=DEFINES_EVERYTHING|EXECUTE|MAY_NOT_COMPILE
+code=
+#include <sys/sdt.h>
+
+int main(void)
+{
+	DTRACE_PROBE(lightningd, test_sdt);
+	return 0;
+}
+/*END*/
 var=HAVE_GCC
 desc=compiler is GCC
 style=OUTSIDE_MAIN