go build -ldflags=-tmpdir=tmp4 -o $devnull ./usesExplicitCgo &

# Fifth build: explicit CGO, but we specifically asked for internal linking
# via a flag, so using internal linking it is.
[cgolinkext] go list ./usesInternalCgo
[!cgolinkext] go build '-ldflags=-tmpdir=tmp5 -linkmode=internal' -o $devnull ./usesInternalCgo &

# Sixth build: explicit CGO use in a non-main package.
go build -o p.a ./nonMainPackageUsesExplicitCgo &

wait

	add("cc", script.PrefixCondition("go env CC = <suffix> (ignoring the go/env file)", ccIs))
	add("cgo", script.BoolCondition("host CGO_ENABLED", testenv.HasCGO()))
	add("cgolinkext", script.Condition("platform requires external linking for cgo", cgoLinkExt))
	add("cross", script.BoolCondition("cmd/go GOOS/GOARCH != GOHOSTOS/GOHOSTARCH", goHostOS != runtime.GOOS || goHostArch != runtime.GOARCH))

[buildmode:*]
	go supports -buildmode=<suffix>
[case-sensitive]
	$WORK filesystem is case-sensitive
[cc:*]
	go env CC = <suffix> (ignoring the go/env file)
[cgo]
	host CGO_ENABLED
[cgolinkext]
	platform requires external linking for cgo
[compiler:*]
	runtime.Compiler == <suffix>
[cross]
	cmd/go GOOS/GOARCH != GOHOSTOS/GOHOSTARCH
[exec:*]
	<suffix> names an executable in the test binary's PATH