mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-15 23:47:26 +01:00
148 lines
2.9 KiB
Go
148 lines
2.9 KiB
Go
// Copyright 2018 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build ignore
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package main
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"sort"
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"strings"
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"github.com/hajimehoshi/file2byteslice"
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"golang.org/x/sync/errgroup"
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)
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type arch string
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const (
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archAmd64 arch = "amd64"
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arch386 arch = "386"
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)
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func (a arch) gcc() string {
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switch a {
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case archAmd64:
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return "x86_64-w64-mingw32-gcc"
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case arch386:
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return "i686-w64-mingw32-gcc"
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default:
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panic("not reached")
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}
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}
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func c2o(str string) string {
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return strings.TrimSuffix(filepath.Base(str), ".c") + ".o"
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}
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func execCommand(name string, args ...string) error {
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cmd := exec.Command(name, args...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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return cmd.Run()
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}
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func run() error {
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srcs, err := filepath.Glob(filepath.Join("glfw", "src", "*.c"))
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if err != nil {
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return err
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}
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sort.Strings(srcs)
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for _, arch := range []arch{archAmd64, arch386} {
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g := errgroup.Group{}
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for _, s := range srcs {
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s := s
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g.Go(func() error {
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args := []string{
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"-c",
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"-o",
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c2o(s),
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"-D_GLFW_WIN32",
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"-D_GLFW_BUILD_DLL",
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"-Iglfw/deps/mingw",
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"-g",
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"-Os",
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s,
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}
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if err := execCommand(arch.gcc(), args...); err != nil {
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return err
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}
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return nil
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})
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}
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if err := g.Wait(); err != nil {
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return err
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}
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objs := []string{}
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for _, s := range srcs {
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objs = append(objs, c2o(s))
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}
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dll := fmt.Sprintf("glfw_windows_%s.dll", arch)
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args := []string{
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"-shared",
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"-o",
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dll,
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"-Wl,--no-insert-timestamp",
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}
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args = append(args, objs...)
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args = append(args, "-lopengl32", "-lgdi32")
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if err := execCommand(arch.gcc(), args...); err != nil {
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return err
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}
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in, err := os.Open(dll)
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if err != nil {
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return err
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}
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defer in.Close()
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out, err := os.Create(fmt.Sprintf("glfwdll_windows_%s.go", arch))
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if err != nil {
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return err
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}
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defer out.Close()
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// As the file name already specified the build environment, buildtags are not requried.
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if err := file2byteslice.Write(out, in, true, "", "glfw", "glfwDLLCompressed"); err != nil {
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return err
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}
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for _, o := range objs {
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if err := os.Remove(o); err != nil {
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return err
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}
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}
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if err := os.Remove(dll); err != nil {
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return err
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}
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}
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if err := execCommand("gofmt", "-s", "-w", "."); err != nil {
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return err
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}
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return nil
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}
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func main() {
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if err := run(); err != nil {
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panic(err)
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}
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}
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