From a61d7a40a2e11576173c2f446a76f1ecde8e411e Mon Sep 17 00:00:00 2001
From: Tonis Tiigi <tonistiigi@gmail.com>
Date: Wed, 3 Apr 2019 00:23:44 -0700
Subject: [PATCH] binfmt_misc: fix building on windows

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
---
 util/binfmt_misc/check.go         |  5 +----
 util/binfmt_misc/check_unix.go    | 14 ++++++++++++++
 util/binfmt_misc/check_windows.go | 10 ++++++++++
 3 files changed, 25 insertions(+), 4 deletions(-)
 create mode 100644 util/binfmt_misc/check_unix.go
 create mode 100644 util/binfmt_misc/check_windows.go

diff --git a/util/binfmt_misc/check.go b/util/binfmt_misc/check.go
index 2f2352c8..4caf5944 100644
--- a/util/binfmt_misc/check.go
+++ b/util/binfmt_misc/check.go
@@ -8,7 +8,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"syscall"
 )
 
 func check(bin string) error {
@@ -37,9 +36,7 @@ func check(bin string) error {
 	f.Close()
 
 	cmd := exec.Command("/check")
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Chroot: tmpdir,
-	}
+	withChroot(cmd, tmpdir)
 	err = cmd.Run()
 	return err
 }
diff --git a/util/binfmt_misc/check_unix.go b/util/binfmt_misc/check_unix.go
new file mode 100644
index 00000000..22c7ce7c
--- /dev/null
+++ b/util/binfmt_misc/check_unix.go
@@ -0,0 +1,14 @@
+// +build !windows
+
+package binfmt_misc
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+func withChroot(cmd *exec.Cmd, dir string) {
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		Chroot: dir,
+	}
+}
diff --git a/util/binfmt_misc/check_windows.go b/util/binfmt_misc/check_windows.go
new file mode 100644
index 00000000..3c28c8bd
--- /dev/null
+++ b/util/binfmt_misc/check_windows.go
@@ -0,0 +1,10 @@
+// +build windows
+
+package binfmt_misc
+
+import (
+	"os/exec"
+)
+
+func withChroot(cmd *exec.Cmd, dir string) {
+}