From f5437632f486b7d0a0a181c58f113c86d032b02c Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 24 Apr 2017 20:11:36 -0400
Subject: Upgrading server dependancies (#6215)

---
 vendor/golang.org/x/sys/unix/mksyscall.pl | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'vendor/golang.org/x/sys/unix/mksyscall.pl')

diff --git a/vendor/golang.org/x/sys/unix/mksyscall.pl b/vendor/golang.org/x/sys/unix/mksyscall.pl
index 34f8ef829..eb4b56ff7 100755
--- a/vendor/golang.org/x/sys/unix/mksyscall.pl
+++ b/vendor/golang.org/x/sys/unix/mksyscall.pl
@@ -69,6 +69,16 @@ if($ARGV[0] =~ /^-/) {
 	exit 1;
 }
 
+# Check that we are using the new build system if we should
+if($ENV{'GOOS'} eq "linux" || $ENV{'GOARCH'} ne "sparc64") {
+	if($ENV{'GOLANG_SYS_BUILD'} ne "docker") {
+		print STDERR "In the new build system, mksyscall should not be called directly.\n";
+		print STDERR "See README.md\n";
+		exit 1;
+	}
+}
+
+
 sub parseparamlist($) {
 	my ($list) = @_;
 	$list =~ s/^\s*//;
@@ -300,7 +310,7 @@ if($errors) {
 
 print <<EOF;
 // $cmdline
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build $tags
 
-- 
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