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-rw-r--r--android/sdk.go8
1 files changed, 7 insertions, 1 deletions
diff --git a/android/sdk.go b/android/sdk.go
index 873e08942..36afc3df2 100644
--- a/android/sdk.go
+++ b/android/sdk.go
@@ -342,9 +342,15 @@ type SdkMemberType interface {
//
// * The variant property structs are analysed to find exported (capitalized) fields which
// have common values. Those fields are cleared and the common value added to the common
- // properties. A field annotated with a tag of `sdk:"keep"` will be treated as if it
+ // properties.
+ //
+ // A field annotated with a tag of `sdk:"keep"` will be treated as if it
// was not capitalized, i.e. not optimized for common values.
//
+ // A field annotated with a tag of `android:"arch_variant"` will be allowed to have
+ // values that differ by arch, fields not tagged as such must have common values across
+ // all variants.
+ //
// * The sdk module type populates the BpModule structure, creating the arch specific
// structure and calls AddToPropertySet(...) on the properties struct to add the member
// specific properties in the correct place in the structure.