diff options
| author | 2024-05-15 10:59:47 -0400 | |
|---|---|---|
| committer | 2024-05-17 10:11:57 -0400 | |
| commit | ab58647b2e98e13136a1fe80308b6da1c933437a (patch) | |
| tree | b0ea0032c5bdf6898ebb672397c23ee0d16d4ca0 /rust/builder.go | |
| parent | e8fcd377759608129bb23581d5593e384bb2c15e (diff) | |
rust: Add an option to disable LTO for Rust
This adds an option to disable LTO when building a Rust module. This is
mostly intended to speedu p local prototyping, and LTO should not
normally be disabled for production builds.
Bug: 339628497
Test: m blueprint_tests && m rust
Change-Id: I21d5d4513a259a56f101ce8906e2bef7404e4efb
Diffstat (limited to 'rust/builder.go')
| -rw-r--r-- | rust/builder.go | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/rust/builder.go b/rust/builder.go index abbf90d83..1ce92f4ec 100644 --- a/rust/builder.go +++ b/rust/builder.go @@ -158,7 +158,9 @@ func getTransformProperties(ctx ModuleContext, crateType string) transformProper func TransformSrcToBinary(ctx ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags, outputFile android.WritablePath) buildOutput { - flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + if ctx.RustModule().compiler.Thinlto() { + flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + } return transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, getTransformProperties(ctx, "bin")) } @@ -212,20 +214,28 @@ func TransformRlibstoStaticlib(ctx android.ModuleContext, mainSrc android.Path, func TransformSrctoDylib(ctx ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags, outputFile android.WritablePath) buildOutput { - flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + if ctx.RustModule().compiler.Thinlto() { + flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + } return transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, getTransformProperties(ctx, "dylib")) } func TransformSrctoStatic(ctx ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags, outputFile android.WritablePath) buildOutput { - flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + if ctx.RustModule().compiler.Thinlto() { + flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + } + return transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, getTransformProperties(ctx, "staticlib")) } func TransformSrctoShared(ctx ModuleContext, mainSrc android.Path, deps PathDeps, flags Flags, outputFile android.WritablePath) buildOutput { - flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + if ctx.RustModule().compiler.Thinlto() { + flags.GlobalRustFlags = append(flags.GlobalRustFlags, "-C lto=thin") + } + return transformSrctoCrate(ctx, mainSrc, deps, flags, outputFile, getTransformProperties(ctx, "cdylib")) } |