commit 5f788403089bf03232ed601c8095119a8bd76d4f
author Chris Wailes <chriswailes@google.com> Thu Mar 02 16:06:01 2023 -0800
committer Chris Wailes <chriswailes@google.com> Thu Mar 02 16:06:01 2023 -0800
tree 5fabf0df8e72128773eac5901a7732909a530655
parent aa3408a50648c6076d9cc3542523b01e83c11b28

Enable LTO for Rust dylibs

Test: m rust
Test: TH
Change-Id: I2257fe9fce1457821a5cf7df644c73f3137a62bb

rust/builder.go

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")
 }