From 8a54c51238672abd7a72c1dbdc7d17b9956a0d35 Mon Sep 17 00:00:00 2001
From: Ivo Timmermans <ivo@lychnis.net>
Date: Sun, 15 Oct 2000 20:13:55 +0000
Subject: [PATCH] Linearized checks for if_tun.h
---
m4/tuntap.m4 | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/m4/tuntap.m4 b/m4/tuntap.m4
index 28ddc9ec..2fc29aef 100644
--- a/m4/tuntap.m4
+++ b/m4/tuntap.m4
@@ -17,11 +17,13 @@ AC_CACHE_CHECK([for linux/if_tun.h], tinc_cv_linux_if_tun_h,
[ AC_TRY_COMPILE([linux/if_tun.h],
[int a = IFF_TAP],
if_tun_h="linux/if_tun.h",
- [ AC_TRY_COMPILE([$kerneldir/include/linux/if_tun.h],
+ if_tun_h="no")
+ if test $if_tun_h = no; then
+ AC_TRY_COMPILE([$kerneldir/include/linux/if_tun.h],
[int a = IFF_TAP],
if_tun_h="$kerneldir/include/linux/if_tun.h",
if_tun_h="no")
- ])
+ fi
if test $if_tun_h = no; then
AC_MSG_RESULT(none)
else
--
2.39.5