Add rust default compilation flags.
Bug: 140725928
Test: m -j crosvm.experimental
Change-Id: I1674f099659957f024cce70341a6a69610118a69
diff --git a/rust/builder.go b/rust/builder.go
index 9109651..27eeec2 100644
--- a/rust/builder.go
+++ b/rust/builder.go
@@ -44,6 +44,8 @@
func TransformSrcToBinary(ctx android.ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags,
outputFile android.WritablePath, includeDirs []string) {
+ flags.RustFlags = append(flags.RustFlags, "-C lto")
+
transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, "bin", includeDirs)
}
@@ -59,11 +61,13 @@
func TransformSrctoStatic(ctx android.ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags,
outputFile android.WritablePath, includeDirs []string) {
+ flags.RustFlags = append(flags.RustFlags, "-C lto")
transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, "staticlib", includeDirs)
}
func TransformSrctoShared(ctx android.ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags,
outputFile android.WritablePath, includeDirs []string) {
+ flags.RustFlags = append(flags.RustFlags, "-C lto")
transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, "cdylib", includeDirs)
}
diff --git a/rust/config/global.go b/rust/config/global.go
index 7846d21..4d87780 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -37,6 +37,9 @@
GlobalRustFlags = []string{
"--remap-path-prefix $$(pwd)=",
+ "-C codegen-units=1",
+ "-C opt-level=3",
+ "-C relocation-model=pic",
}
deviceGlobalRustFlags = []string{}