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libgo: make runtime.Version return a meaningful string

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For golang/go#51850
Fixes PR go/106747

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/414734
This commit is contained in:
Ian Lance Taylor
2022-09-13 13:11:17 -07:00
parent 21a3f43c68
commit 23605c6a4e
3 changed files with 2 additions and 10 deletions
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1
libgo/Makefile.am
View File

@@ -568,6 +568,7 @@ s-goroot: Makefile
rm -f goroot.go.tmp
echo "package runtime" > goroot.go.tmp
echo 'var defaultGOROOT = `$(prefix)`' >> goroot.go.tmp
echo 'var buildVersion = `'`cat $(srcdir)/VERSION | sed 1q`' '`$(GOC) --version | sed 1q`'`' >> goroot.go.tmp
$(SHELL) $(srcdir)/mvifdiff.sh goroot.go.tmp goroot.go
$(STAMP) $@

1
libgo/Makefile.in
View File

@@ -2780,6 +2780,7 @@ s-goroot: Makefile
rm -f goroot.go.tmp
echo "package runtime" > goroot.go.tmp
echo 'var defaultGOROOT = `$(prefix)`' >> goroot.go.tmp
echo 'var buildVersion = `'`cat $(srcdir)/VERSION | sed 1q`' '`$(GOC) --version | sed 1q`'`' >> goroot.go.tmp
$(SHELL) $(srcdir)/mvifdiff.sh goroot.go.tmp goroot.go
$(STAMP) $@

10
libgo/go/runtime/extern.go
View File

@@ -231,16 +231,6 @@ func GOROOT() string {
return defaultGOROOT
}
// buildVersion is the Go tree's version string at build time.
//
// If any GOEXPERIMENTs are set to non-default values, it will include
// "X:<GOEXPERIMENT>".
//
// This is set by the linker.
//
// This is accessed by "go version <binary>".
var buildVersion string
// Version returns the Go tree's version string.
// It is either the commit hash and date at the time of the build or,
// when possible, a release tag like "go1.3".