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cmd/dist: use purego tag when building the bootstrap binaries
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>
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4
src/cmd/dist/buildtool.go
vendored
4
src/cmd/dist/buildtool.go
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@ -204,6 +204,8 @@ func bootstrapBuildTools() {
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// https://groups.google.com/d/msg/golang-dev/Ss7mCKsvk8w/Gsq7VYI0AwAJ
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// https://groups.google.com/d/msg/golang-dev/Ss7mCKsvk8w/Gsq7VYI0AwAJ
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// Use the math_big_pure_go build tag to disable the assembly in math/big
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// Use the math_big_pure_go build tag to disable the assembly in math/big
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// which may contain unsupported instructions.
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// which may contain unsupported instructions.
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// Use the purego build tag to disable other assembly code,
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// such as in cmd/internal/notsha256.
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// Note that if we are using Go 1.10 or later as bootstrap, the -gcflags=-l
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// Note that if we are using Go 1.10 or later as bootstrap, the -gcflags=-l
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// only applies to the final cmd/go binary, but that's OK: if this is Go 1.10
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// only applies to the final cmd/go binary, but that's OK: if this is Go 1.10
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// or later we don't need to disable inlining to work around bugs in the Go 1.4 compiler.
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// or later we don't need to disable inlining to work around bugs in the Go 1.4 compiler.
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@ -211,7 +213,7 @@ func bootstrapBuildTools() {
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pathf("%s/bin/go", goroot_bootstrap),
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pathf("%s/bin/go", goroot_bootstrap),
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"install",
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"install",
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"-gcflags=-l",
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"-gcflags=-l",
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"-tags=math_big_pure_go compiler_bootstrap",
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"-tags=math_big_pure_go compiler_bootstrap purego",
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}
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}
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if vflag > 0 {
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if vflag > 0 {
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cmd = append(cmd, "-v")
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cmd = append(cmd, "-v")
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