rust: Allow rustlibs to fallback to rlibs.
Allow adding rlib-only libraries to rustlibs by having it fallback to
selecting the rlib variant if a dylib variant is requested but not
available.
Bug: 224771894
Test: m nothing
Test: New Soong test
Change-Id: I47b19ec9dbf3da90a2b090aeda04556a0400c7d1
diff --git a/rust/rust.go b/rust/rust.go
index d627261..b287f67 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -1371,13 +1371,12 @@
}
// rlibs
+ rlibDepVariations = append(rlibDepVariations, blueprint.Variation{Mutator: "rust_libraries", Variation: rlibVariation})
for _, lib := range deps.Rlibs {
depTag := rlibDepTag
lib = cc.RewriteSnapshotLib(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Rlibs)
- actx.AddVariationDependencies(append(rlibDepVariations, []blueprint.Variation{
- {Mutator: "rust_libraries", Variation: rlibVariation},
- }...), depTag, lib)
+ actx.AddVariationDependencies(rlibDepVariations, depTag, lib)
}
// dylibs
@@ -1389,21 +1388,25 @@
// rustlibs
if deps.Rustlibs != nil && !mod.compiler.Disabled() {
autoDep := mod.compiler.(autoDeppable).autoDep(ctx)
- if autoDep.depTag == rlibDepTag {
- for _, lib := range deps.Rustlibs {
- depTag := autoDep.depTag
- lib = cc.RewriteSnapshotLib(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Rlibs)
- actx.AddVariationDependencies(append(rlibDepVariations, []blueprint.Variation{
- {Mutator: "rust_libraries", Variation: autoDep.variation},
- }...), depTag, lib)
+ for _, lib := range deps.Rustlibs {
+ if autoDep.depTag == rlibDepTag {
+ // Handle the rlib deptag case
+ addRlibDependency(actx, lib, mod, snapshotInfo, rlibDepVariations)
+ } else {
+ // autoDep.depTag is a dylib depTag. Not all rustlibs may be available as a dylib however.
+ // Check for the existence of the dylib deptag variant. Select it if available,
+ // otherwise select the rlib variant.
+ autoDepVariations := append(commonDepVariations,
+ blueprint.Variation{Mutator: "rust_libraries", Variation: autoDep.variation})
+ if actx.OtherModuleDependencyVariantExists(autoDepVariations, lib) {
+ actx.AddVariationDependencies(autoDepVariations, autoDep.depTag, lib)
+ } else {
+ // If there's no dylib dependency available, try to add the rlib dependency instead.
+ addRlibDependency(actx, lib, mod, snapshotInfo, rlibDepVariations)
+ }
}
- } else {
- actx.AddVariationDependencies(
- append(commonDepVariations, blueprint.Variation{Mutator: "rust_libraries", Variation: autoDep.variation}),
- autoDep.depTag, deps.Rustlibs...)
}
}
-
// stdlibs
if deps.Stdlibs != nil {
if mod.compiler.stdLinkage(ctx) == RlibLinkage {
@@ -1479,6 +1482,12 @@
actx.AddFarVariationDependencies(ctx.Config().BuildOSTarget.Variations(), procMacroDepTag, deps.ProcMacros...)
}
+// addRlibDependency will add an rlib dependency, rewriting to the snapshot library if available.
+func addRlibDependency(actx android.BottomUpMutatorContext, lib string, mod *Module, snapshotInfo *cc.SnapshotInfo, variations []blueprint.Variation) {
+ lib = cc.RewriteSnapshotLib(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Rlibs)
+ actx.AddVariationDependencies(variations, rlibDepTag, lib)
+}
+
func BeginMutator(ctx android.BottomUpMutatorContext) {
if mod, ok := ctx.Module().(*Module); ok && mod.Enabled() {
mod.beginMutator(ctx)