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cmd/dist: reach fixed point in rebuild during run.bash

This is basically a mini-bootstrap, to reach a fixed point.

Change-Id: I88abad3d3ac961c3d11a48cb64d625d458684ef7
Reviewed-on: https://go-review.googlesource.com/74792
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Russ Cox 2017-10-31 15:15:22 -04:00
parent bf21c67b1e
commit 6eb8076961
2 changed files with 14 additions and 13 deletions

15
src/cmd/dist/build.go vendored
View File

@ -1044,6 +1044,8 @@ func timelog(op, name string) {
fmt.Fprintf(timeLogFile, "%s %+.1fs %s %s\n", t.Format(time.UnixDate), t.Sub(timeLogStart).Seconds(), op, name)
}
var toolchain = []string{"cmd/asm", "cmd/cgo", "cmd/compile", "cmd/link"}
// The bootstrap command runs a build from scratch,
// stopping at having installed the go_bootstrap command.
//
@ -1151,8 +1153,7 @@ func cmdbootstrap() {
// chosen $CC_FOR_TARGET in this case.
os.Setenv("CC", defaultcctarget)
}
toolchain := []string{"cmd/asm", "cmd/cgo", "cmd/compile", "cmd/link", "cmd/buildid"}
goInstall(toolchain...)
goInstall(goBootstrap, toolchain...)
if debug {
run("", ShowOutput|CheckExit, pathf("%s/compile", tooldir), "-V=full")
run("", ShowOutput|CheckExit, pathf("%s/buildid", tooldir), pathf("%s/pkg/%s_%s/runtime/internal/sys.a", goroot, goos, goarch))
@ -1180,7 +1181,7 @@ func cmdbootstrap() {
xprintf("\n")
}
xprintf("Building Go toolchain3 using go_bootstrap and Go toolchain2.\n")
goInstall(append([]string{"-a"}, toolchain...)...)
goInstall(goBootstrap, append([]string{"-a"}, toolchain...)...)
if debug {
run("", ShowOutput|CheckExit, pathf("%s/compile", tooldir), "-V=full")
run("", ShowOutput|CheckExit, pathf("%s/buildid", tooldir), pathf("%s/pkg/%s_%s/runtime/internal/sys.a", goroot, goos, goarch))
@ -1204,7 +1205,7 @@ func cmdbootstrap() {
xprintf("\n")
}
xprintf("Building packages and commands for host, %s/%s.\n", goos, goarch)
goInstall("std", "cmd")
goInstall(goBootstrap, "std", "cmd")
checkNotStale(goBootstrap, "std", "cmd")
checkNotStale(cmdGo, "std", "cmd")
@ -1219,7 +1220,7 @@ func cmdbootstrap() {
os.Setenv("CC", defaultcctarget)
xprintf("Building packages and commands for target, %s/%s.\n", goos, goarch)
}
goInstall("std", "cmd")
goInstall(goBootstrap, "std", "cmd")
checkNotStale(goBootstrap, "std", "cmd")
checkNotStale(cmdGo, "std", "cmd")
if debug {
@ -1252,8 +1253,8 @@ func cmdbootstrap() {
}
}
func goInstall(args ...string) {
installCmd := []string{pathf("%s/go_bootstrap", tooldir), "install", "-gcflags=" + gogcflags, "-ldflags=" + goldflags}
func goInstall(goBinary string, args ...string) {
installCmd := []string{goBinary, "install", "-gcflags=" + gogcflags, "-ldflags=" + goldflags}
if vflag > 0 {
installCmd = append(installCmd, "-v")
}

12
src/cmd/dist/test.go vendored
View File

@ -116,12 +116,12 @@ func (t *tester) run() {
if t.rebuild {
t.out("Building packages and commands.")
cmd := exec.Command("go", "install", "-a", "-v", "std", "cmd")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
log.Fatalf("building packages and commands: %v", err)
}
// Rebuilding is a shortened bootstrap.
// See cmdbootstrap for a description of the overall process.
goInstall("go", toolchain...)
goInstall("go", toolchain...)
goInstall("go", "std", "cmd")
checkNotStale("go", "std", "cmd")
}
if t.iOS() {