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package main
import (
"bytes"
"context"
"flag"
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
"runtime"
"golang.org/x/sync/semaphore"
)
type Arch string
const (
ARCH_AMD64 Arch = "amd64"
ARCH_386 Arch = "386"
ARCH_ARM Arch = "arm"
ARCH_ARM64 Arch = "arm64"
ARCH_PPC64 Arch = "ppc64"
ARCH_PPC64LE Arch = "ppc64le"
ARCH_MIPS Arch = "mips"
ARCH_MIPSLE Arch = "mipsle"
ARCH_MIPS64 Arch = "mips64"
ARCH_MIPS64LE Arch = "mips64le"
)
type OS string
const (
OS_ANDROID OS = "android"
OS_DARWIN OS = "darwin"
OS_DRAGONFLY OS = "dragonfly"
OS_FREEBSD OS = "freebsd"
OS_LINUX OS = "linux"
OS_NETBSD OS = "netbsd"
OS_OPENBSD OS = "openbsd"
OS_PLAN9 OS = "plan9"
OS_SOLARIS OS = "solaris"
OS_WINDOWS OS = "windows"
)
type Platform struct {
OS OS
Arch Arch
}
type kvs map[string]string
func (o kvs) Strings() []string {
str := []string{}
for k, v := range o {
str = append(str, k+"="+v)
}
return str
}
var cgo bool
func main() {
// TODO: enable ARM after supporting GOARM
// TODO: probably should make this configurable…
platforms := []Platform{
//{OS_ANDROID, ARCH_ARM},
{OS_DARWIN, ARCH_386},
{OS_DARWIN, ARCH_AMD64},
//{OS_DARWIN, ARCH_ARM},
//{OS_DARWIN, ARCH_ARM64},
{OS_DRAGONFLY, ARCH_AMD64},
{OS_FREEBSD, ARCH_386},
{OS_FREEBSD, ARCH_AMD64},
//{OS_FREEBSD, ARCH_ARM},
{OS_LINUX, ARCH_386},
{OS_LINUX, ARCH_AMD64},
//{OS_LINUX, ARCH_ARM},
//{OS_LINUX, ARCH_ARM64},
{OS_LINUX, ARCH_PPC64},
{OS_LINUX, ARCH_PPC64LE},
{OS_LINUX, ARCH_MIPS},
{OS_LINUX, ARCH_MIPSLE},
{OS_LINUX, ARCH_MIPS64},
{OS_LINUX, ARCH_MIPS64LE},
{OS_NETBSD, ARCH_386},
{OS_NETBSD, ARCH_AMD64},
//{OS_NETBSD, ARCH_ARM},
{OS_OPENBSD, ARCH_386},
{OS_OPENBSD, ARCH_AMD64},
//{OS_OPENBSD, ARCH_ARM},
{OS_PLAN9, ARCH_386},
{OS_PLAN9, ARCH_AMD64},
{OS_SOLARIS, ARCH_AMD64},
{OS_WINDOWS, ARCH_386},
{OS_WINDOWS, ARCH_AMD64},
}
flags := flag.NewFlagSet("bakelite", flag.ExitOnError)
flags.BoolVar(&cgo, "cgo", false, "Enables cgo (BYOTC)")
flags.Usage = func() {
fmt.Println("bakelite - dev")
}
if err := flags.Parse(os.Args[1:]); err != nil {
flags.Usage()
os.Exit(-1)
}
packages := flags.Args()
if len(packages) == 0 {
fmt.Println("fatal: Expected at least one package.")
os.Exit(-1)
}
var (
parallelJobs = runtime.NumCPU()
sem = semaphore.NewWeighted(int64(parallelJobs))
out = make([]error, len(platforms)*len(packages))
ctx = context.Background()
)
fmt.Printf("info: running bakelite with %d jobs\n", parallelJobs)
for i, platform := range platforms {
for j, pkg := range packages {
if err := sem.Acquire(ctx, 1); err != nil {
log.Printf("failed to acquire semaphore: %s", err)
break
}
go func(i int, j int, platform Platform, pkg string) {
defer sem.Release(1)
out[i*j] = build(ctx, platform, pkg)
}(i, j, platform, pkg)
}
}
if err := sem.Acquire(ctx, int64(parallelJobs)); err != nil {
log.Printf("failed to acquire semaphore: %s", err)
}
}
func build(ctx context.Context, platform Platform, pkg string) error {
name := fmt.Sprintf("%s-%s-%s", filepath.Base(pkg), platform.OS, platform.Arch)
env := kvs{
"GOOS": string(platform.OS),
"GOARCH": string(platform.Arch),
"GOROOT": os.Getenv("GOROOT"),
"GOPATH": os.Getenv("GOPATH"),
}
if cgo {
env["CGO_ENABLED"] = "1"
} else {
env["CGO_ENABLED"] = "0"
}
var stdout bytes.Buffer
var stderr bytes.Buffer
cmd := exec.CommandContext(context.Background(), "go", "build", "-o", name, pkg)
cmd.Env = env.Strings()
cmd.Stdout = &stdout
cmd.Stderr = &stderr
fmt.Printf("info: Running build for %s @ %s/%s…\n", pkg, platform.OS, platform.Arch)
err := cmd.Run()
if err != nil {
log.Printf("fatal: There was an error! err='%s' stdout='%s' stderr='%s'", err, stdout.String(), stderr.String())
}
return err
}
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