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cmd/dist: use purego tag when building the bootstrap binaries

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This is in addition to the current math_big_pure_go tag.
Using purego ensures that we can build the cmd binaries with gccgo.

For #53662

Change-Id: Ib82f8bf10659b5f94935f2b427ae8b2da875cd3b
Reviewed-on: https://go-review.googlesource.com/c/go/+/415934
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Ian Lance Taylor 2022-07-03 13:32:54 -07:00 committed by Gopher Robot
parent 4484c30f78
commit f4755fc733
1 changed files with 3 additions and 1 deletions
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4
src/cmd/dist/buildtool.go vendored
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@ -204,6 +204,8 @@ func bootstrapBuildTools() {
// https://groups.google.com/d/msg/golang-dev/Ss7mCKsvk8w/Gsq7VYI0AwAJ
// Use the math_big_pure_go build tag to disable the assembly in math/big
// which may contain unsupported instructions.
// Use the purego build tag to disable other assembly code,
// such as in cmd/internal/notsha256.
// Note that if we are using Go 1.10 or later as bootstrap, the -gcflags=-l
// only applies to the final cmd/go binary, but that's OK: if this is Go 1.10
// or later we don't need to disable inlining to work around bugs in the Go 1.4 compiler.
@ -211,7 +213,7 @@ func bootstrapBuildTools() {
pathf("%s/bin/go", goroot_bootstrap),
"install",
"-gcflags=-l",
"-tags=math_big_pure_go compiler_bootstrap",
"-tags=math_big_pure_go compiler_bootstrap purego",
}
if vflag > 0 {
cmd = append(cmd, "-v")