From eb6f6bd959c2f496e4db1a90ea0629bbf9b12185 Mon Sep 17 00:00:00 2001
From: cf-zhao <zhaochuanfeng@huawei.com>
Date: Thu, 21 Mar 2024 13:04:26 +0800
Subject: [PATCH] Support for building with clang

---
 client/dhclient.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/client/dhclient.c b/client/dhclient.c
index 3e31dbf..a1f8849 100644
--- a/client/dhclient.c
+++ b/client/dhclient.c
@@ -48,7 +48,12 @@
 /*
  * Defined in stdio.h when _GNU_SOURCE is set, but we don't want to define
  * that when building ISC code.
+ * When build with clang, there is also a macro defined in stdio2.h,
+ * undefine it so that we still use the prototype in stdio.h.
  */
+#ifdef asprintf
+#undef asprintf
+#endif
 extern int asprintf(char **strp, const char *fmt, ...);
 
 TIME default_lease_time = 43200; /* 12 hours... */
-- 
2.33.0