From e01b1c0e8baa28713e7d2235f2f55086a97d709c Mon Sep 17 00:00:00 2001
From: Umang Parmar <umangjparmar@gmail.com>
Date: Fri, 6 Dec 2019 01:22:51 +0530
Subject: [PATCH] x/sys/unix: replace readlink in mkall.sh with portable shell
 commands

Fixes golang/go#35997
---
 unix/mkall.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unix/mkall.sh b/unix/mkall.sh
index 890ec464..fa0c69b9 100755
--- a/unix/mkall.sh
+++ b/unix/mkall.sh
@@ -50,7 +50,7 @@ if [[ "$GOOS" = "linux" ]]; then
 	# Use the Docker-based build system
 	# Files generated through docker (use $cmd so you can Ctl-C the build or run)
 	$cmd docker build --tag generate:$GOOS $GOOS
-	$cmd docker run --interactive --tty --volume $(dirname "$(readlink -f "$0")"):/build generate:$GOOS
+	$cmd docker run --interactive --tty --volume $(cd -- "$(dirname -- "$0")" && /bin/pwd):/build generate:$GOOS
 	exit
 fi