diff --git a/cc/config/toolchain.go b/cc/config/toolchain.go
index 5a4e032..020a0dd 100644
--- a/cc/config/toolchain.go
+++ b/cc/config/toolchain.go
@@ -74,6 +74,8 @@
 	SanitizerRuntimeLibraryArch() string
 
 	AvailableLibraries() []string
+
+	Bionic() bool
 }
 
 type toolchainBase struct {
@@ -133,6 +135,10 @@
 	return []string{}
 }
 
+func (toolchainBase) Bionic() bool {
+	return true
+}
+
 type toolchain64Bit struct {
 	toolchainBase
 }