From 7f5828f0fba0172baacebf9f75594ab222db0159 Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@users.sourceforge.net>
Date: Tue, 4 Jul 2000 08:44:03 +0000
Subject: 12149: guard against undefined h_errno in zftp

---
 configure.in | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index f4de01060..31903ea4d 100644
--- a/configure.in
+++ b/configure.in
@@ -816,6 +816,17 @@ zsh_STRUCT_MEMBER([
 #include <netinet/in.h>
 ], struct sockaddr_in6, sin6_scope_id)
 
+dnl Check for h_errno external variable
+AC_CACHE_CHECK(if we need our own h_errno,
+  zsh_cv_decl_h_errno_use_local,
+  [AC_TRY_LINK( ,[extern int h_errno; h_errno = 0;],
+  zsh_cv_decl_h_errno_use_local=no,
+  zsh_cv_decl_h_errno_use_local=yes)])
+
+if test $zsh_cv_decl_h_errno_use_local = yes; then
+  AC_DEFINE(USE_LOCAL_H_ERRNO)
+fi
+
 dnl ---------------
 dnl CHECK FUNCTIONS
 dnl ---------------
-- 
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