From 3736a04ff5cf00d5d07e3e9f33438fbf83dc2401 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 28 Nov 2017 20:34:14 +0100
Subject: Fall back to using readlink -f if no realpath

Most coreutils have realpath(1), but not Debian Wheezy, so we fall back
to using readlink -f instead.
---
 Android.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Android.mk b/Android.mk
index 0ac774e..953bece 100644
--- a/Android.mk
+++ b/Android.mk
@@ -5,7 +5,7 @@ fetch:
 
 TARGET_KERNEL_BINARIES: patch-wireguard
 patch-wireguard: fetch
-	ln -vsfT "$$(realpath --relative-to="$(TARGET_KERNEL_SOURCE)/net)" "$(WIREGUARD_PATH)/wireguard/src")" "$(TARGET_KERNEL_SOURCE)/net/wireguard"
+	ln -vsfT "$$(realpath --relative-to="$(TARGET_KERNEL_SOURCE)/net)" "$(WIREGUARD_PATH)/wireguard/src" || readlink -f "$(WIREGUARD_PATH)/wireguard/src")" "$(TARGET_KERNEL_SOURCE)/net/wireguard"
 	grep -q wireguard "$(TARGET_KERNEL_SOURCE)/net/Makefile" || sed -i "/^obj-\\\$$(CONFIG_NETFILTER).*+=/a obj-\$$(CONFIG_WIREGUARD) += wireguard/" "$(TARGET_KERNEL_SOURCE)/net/Makefile"
 	grep -q wireguard "$(TARGET_KERNEL_SOURCE)/net/Kconfig" || sed -i "/^if INET\$$/a source \"net/wireguard/Kconfig\"" "$(TARGET_KERNEL_SOURCE)/net/Kconfig"
 
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