internal/rosa/go: alternative bootstrap path

For targets where the bootstrap toolchain is not available.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/go.go

@@ -66,6 +66,8 @@ func (t Toolchain) newGoLatest() pkg.Artifact {
 	var (
 		bootstrapEnv   []string
 		bootstrapExtra []pkg.Artifact
+
+		finalEnv []string
 	)
 	switch runtime.GOARCH {
 	case "amd64":
@@ -88,6 +90,8 @@ func (t Toolchain) newGoLatest() pkg.Artifact {
 			t.Load(gcc),
 		)
 
+		finalEnv = append(finalEnv, "CGO_ENABLED=0")
+
 	default:
 		panic("unsupported target " + runtime.GOARCH)
 	}
@@ -98,6 +102,7 @@ func (t Toolchain) newGoLatest() pkg.Artifact {
 		append(bootstrapEnv, "CGO_ENABLED=0"), `
 rm \
 	crypto/tls/handshake_client_test.go \
+	cmd/pprof/pprof_test.go \
 	os/os_unix_test.go
 sed -i \
 	's/os\.Getenv("GCCGO")$/"nonexistent"/' \
@@ -128,7 +133,7 @@ echo \
 	go123 := t.newGo(
 		"1.23.12",
 		"wcI32bl1tkqbgcelGtGWPI4RtlEddd-PTd76Eb-k7nXA5LbE9yTNdIL9QSOOxMOs",
-		nil, `
+		[]string{"CGO_ENABLED=0"}, `
 sed -i \
 	's,/lib/ld-musl-`+linuxArch()+`.so.1,/system/bin/linker,' \
 	cmd/link/internal/`+runtime.GOARCH+`/obj.go
@@ -138,7 +143,7 @@ sed -i \
 	go125 := t.newGo(
 		"1.25.6",
 		"x0z430qoDvQbbw_fftjW0rh_GSoh0VJhPzttWk_0hj9yz9AKOjuwRMupF_Q0dbt7",
-		nil, `
+		finalEnv, `
 sed -i \
 	's,/lib/ld-musl-`+linuxArch()+`.so.1,/system/bin/linker,' \
 	cmd/link/internal/`+runtime.GOARCH+`/obj.go