Enable LTO for Rust dylibs
Test: m rust
Test: TH
Change-Id: I2257fe9fce1457821a5cf7df644c73f3137a62bb
diff --git a/rust/builder.go b/rust/builder.go
index a2f1238..5566451 100644
--- a/rust/builder.go
+++ b/rust/builder.go
@@ -134,6 +134,8 @@
func TransformSrctoDylib(ctx ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags,
outputFile android.WritablePath) buildOutput {
+ flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin")
+
return transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, "dylib")
}
diff --git a/rust/config/global.go b/rust/config/global.go
index 0dface4..9375022 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -54,6 +54,7 @@
// TODO (b/267698452): Temporary workaround until the "no unstable
// features" policy is enforced.
"-A stable-features",
+ "-Zdylib-lto",
}
deviceGlobalRustFlags = []string{