diff --git a/cc/sabi.go b/cc/sabi.go
index ec1d246..f5a7c77 100644
--- a/cc/sabi.go
+++ b/cc/sabi.go
@@ -16,11 +16,17 @@
 
 import (
 	"strings"
+	"sync"
 
 	"android/soong/android"
 	"android/soong/cc/config"
 )
 
+var (
+	lsdumpPaths []string
+	sabiLock    sync.Mutex
+)
+
 type SAbiProperties struct {
 	CreateSAbiDumps        bool `blueprint:"mutated"`
 	ReexportedIncludeFlags []string