diff --git a/rust/config/arm_device.go b/rust/config/arm_device.go
index 42c1c02..a5f4afb 100644
--- a/rust/config/arm_device.go
+++ b/rust/config/arm_device.go
@@ -44,6 +44,7 @@
 			strings.Join(rustFlags, " "))
 	}
 
+	ExportedVars.ExportStringListStaticVariable("DEVICE_ARM_RUSTC_FLAGS", ArmRustFlags)
 }
 
 type toolchainArm struct {
diff --git a/rust/config/x86_64_device.go b/rust/config/x86_64_device.go
index 45d1fd0..c797eef 100644
--- a/rust/config/x86_64_device.go
+++ b/rust/config/x86_64_device.go
@@ -53,7 +53,7 @@
 		pctx.StaticVariable("X86_64"+variant+"VariantRustFlags",
 			strings.Join(rustFlags, " "))
 	}
-
+	ExportedVars.ExportStringListStaticVariable("DEVICE_X86_64_RUSTC_FLAGS", x86_64RustFlags)
 }
 
 type toolchainX86_64 struct {
diff --git a/rust/config/x86_device.go b/rust/config/x86_device.go
index 43f7340..822f281 100644
--- a/rust/config/x86_device.go
+++ b/rust/config/x86_device.go
@@ -55,6 +55,7 @@
 			strings.Join(rustFlags, " "))
 	}
 
+	ExportedVars.ExportStringListStaticVariable("DEVICE_X86_RUSTC_FLAGS", x86RustFlags)
 }
 
 type toolchainX86 struct {