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-rw-r--r--rust/proc_macro.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/rust/proc_macro.go b/rust/proc_macro.go
index 1ff6637a6..28ed68b71 100644
--- a/rust/proc_macro.go
+++ b/rust/proc_macro.go
@@ -67,6 +67,7 @@ func (procMacro *procMacroDecorator) compilerProps() []interface{} {
func (procMacro *procMacroDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
flags = procMacro.baseCompiler.compilerFlags(ctx, flags)
flags.RustFlags = append(flags.RustFlags, "--extern proc_macro")
+ flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.ModuleName())
return flags
}