From d7a9193e5283c07780e4d43227542832a842a42f Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Mon, 18 Nov 2019 02:18:10 +0900
Subject: [PATCH] mobile: Enable to compile in non-mobile environments

This was necessary to show API documents on godoc.org and
pkg.go.dev.
---
 mobile/impl_mobile.go    | 25 +++++++++++++++++++++++++
 mobile/impl_notmobile.go | 22 ++++++++++++++++++++++
 mobile/mobile.go         |  5 +----
 3 files changed, 48 insertions(+), 4 deletions(-)
 create mode 100644 mobile/impl_mobile.go
 create mode 100644 mobile/impl_notmobile.go

diff --git a/mobile/impl_mobile.go b/mobile/impl_mobile.go
new file mode 100644
index 000000000..a6bfb108d
--- /dev/null
+++ b/mobile/impl_mobile.go
@@ -0,0 +1,25 @@
+// Copyright 2019 The Ebiten Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build android ios
+
+package mobile
+
+import (
+	"github.com/hajimehoshi/ebiten/mobile/ebitenmobileview"
+)
+
+func setGame(game Game) {
+	ebitenmobileview.SetGame(game)
+}
diff --git a/mobile/impl_notmobile.go b/mobile/impl_notmobile.go
new file mode 100644
index 000000000..8d211bd97
--- /dev/null
+++ b/mobile/impl_notmobile.go
@@ -0,0 +1,22 @@
+// Copyright 2019 The Ebiten Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !android
+// +build !ios
+
+package mobile
+
+func setGame(game Game) {
+	panic("mobile: setGame is not implemented in this environment")
+}
diff --git a/mobile/mobile.go b/mobile/mobile.go
index b1a14d33b..3d7eda11d 100644
--- a/mobile/mobile.go
+++ b/mobile/mobile.go
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// +build android ios
-
 // Package mobile provides functions for mobile platforms (Android and iOS).
 //
 // This package is used when you use `ebitenmobile bind`.
@@ -23,7 +21,6 @@ package mobile
 
 import (
 	"github.com/hajimehoshi/ebiten"
-	"github.com/hajimehoshi/ebiten/mobile/ebitenmobileview"
 )
 
 // Game defines necessary functions for a mobile game.
@@ -49,5 +46,5 @@ type Game interface {
 //
 // SetGame can be called anytime. Until SetGame is called, the game does not start.
 func SetGame(game Game) {
-	ebitenmobileview.SetGame(game)
+	setGame(game)
 }