Pass "--extern proc_macro" to rust_proc_macros.
This is actually required for some code.
Test: Modify the new test so it fails and see it fail.
Test: Build crates that fail without it.
Change-Id: I527752b765e5552aa2de7e201f056955e053e1f3
diff --git a/rust/proc_macro.go b/rust/proc_macro.go
index c217959..804d79f 100644
--- a/rust/proc_macro.go
+++ b/rust/proc_macro.go
@@ -63,6 +63,12 @@
&procMacro.Properties)
}
+func (procMacro *procMacroDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
+ flags = procMacro.baseCompiler.compilerFlags(ctx, flags)
+ flags.RustFlags = append(flags.RustFlags, "--extern proc_macro")
+ return flags
+}
+
func (procMacro *procMacroDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) android.Path {
fileName := procMacro.getStem(ctx) + ctx.toolchain().ProcMacroSuffix()
outputFile := android.PathForModuleOut(ctx, fileName)