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# Regression test for https://go.dev/issue/48319:
# cgo builds should not include debug information from a stale GOROOT_FINAL.
[short] skip
[!cgo] skip
[windows] skip # The Go Windows builders have an extremely out-of-date gcc that does not support reproducible builds; see https://go.dev/issue/50824.
# This test is sensitive to cache invalidation,
# so use a separate build cache that we can control.
env GOCACHE=$WORK/gocache
mkdir $GOCACHE
# Build a binary using a specific value of GOROOT_FINAL.
env GOROOT_FINAL=$WORK${/}goroot1
go build -o main.exe
mv main.exe main1.exe
# Now clean the cache and build using a different GOROOT_FINAL.
# The resulting binaries should differ in their debug metadata.
go clean -cache
env GOROOT_FINAL=$WORK${/}goroot2
go build -o main.exe
mv main.exe main2.exe
! cmp main2.exe main1.exe
# Set GOROOT_FINAL back to the first value.
# If the build is properly reproducible, the two binaries should match.
env GOROOT_FINAL=$WORK${/}goroot1
go build -o main.exe
cmp -q main.exe main1.exe
-- go.mod --
module main
go 1.18
-- main.go --
package main
import "C"
import "runtime"
var _ C.int
func main() {
println(runtime.GOROOT())
}
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