From 34fc9416baf99a3472635a4be97cd2817ce1a981 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Wed, 25 Oct 2017 09:13:07 +0200
Subject: [PATCH] configure: fix vasprintf test (#236)

Fix the test for vasprintf function which failed with musl libc and
fortify-headers on aarch64:

_vasprintf.c:4:24: error: incompatible type for argument 3 of 'vasprintf'
  vasprintf(NULL, NULL, NULL);
                        ^~~~
---
 configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 861a67d0..b043dab0 100755
--- a/configure
+++ b/configure
@@ -390,7 +390,8 @@ else
 #define _GNU_SOURCE
 #include <stdio.h>
 int main(void) {
-	vasprintf(NULL, NULL, NULL);
+	va_list ap;
+	vasprintf(NULL, NULL, ap);
 	return 0;
 }
 EOF