commit | 5a3a9d87ed97f197aabcb868f6c0031c888d6122 | [log] [tgz] |
---|---|---|
author | Russ Cox <rsc@golang.org> | Wed Oct 27 18:53:02 2021 -0400 |
committer | Russ Cox <rsc@golang.org> | Thu Oct 28 03:35:04 2021 +0000 |
tree | 4d31dca6aedda3bb5db119d8c9dac224e9954dad | |
parent | 056dfe6ff34fd479ec5c86d9b26a03c639b3f3f7 [diff] |
cmd/dist: implement //go:build parsing The bootstrap directories are built with the Go 1.4 go command, and they will retain the // +build lines until we bump the bootstrap toolchain to Go 1.17 or later. cmd/dist builds cmd/go and all its dependencies, using the assembler, compiler, and linker that were built using Go 1.4. We don't want to have to keep // +build lines in cmd/go and all its dependencies, so this CL changes cmd/dist to understand the //go:build lines. cmd/dist is a standalone Go program that must itself build with very old Go releases, so we cannot assume go/build/constraint is available. Instead, implement a trivial parser/evaluator. For #41184. Change-Id: I84e259dec3bd3daec3f82024eb3500120f53096d Reviewed-on: https://go-review.googlesource.com/c/go/+/359314 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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