From 190064993cd8ddbd48015c1fc1916e4110a97733 Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Fri, 21 Aug 2020 06:52:07 +0000
Subject: [PATCH] Don't declare asprintf if defined as a macro.

---
 include/libiberty.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/libiberty.h b/include/libiberty.h
index a65ced9c820..eb20ab0f95f 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -652,8 +652,11 @@ extern void *bsearch_r (const void *, const void *,
 /* Like sprintf but provides a pointer to malloc'd storage, which must
    be freed by the caller.  */
 
+/* asprintf may be declared as a macro by glibc with __USE_FORTIFY_LEVEL.  */
+#ifndef asprintf
 extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2;
 #endif
+#endif
 
 /* Like asprintf but allocates memory without fail. This works like
    xmalloc.  */
