Merge "Export rust flags for arm, x86, and x86_64 to Bazel" into main

rust/config/arm_device.go

@@ -44,6 +44,7 @@ func init() {
 			strings.Join(rustFlags, " "))
 	}
 
+	ExportedVars.ExportStringListStaticVariable("DEVICE_ARM_RUSTC_FLAGS", ArmRustFlags)
 }
 
 type toolchainArm struct {

rust/config/x86_64_device.go

@@ -53,7 +53,7 @@ func init() {
 		pctx.StaticVariable("X86_64"+variant+"VariantRustFlags",
 			strings.Join(rustFlags, " "))
 	}
-
+	ExportedVars.ExportStringListStaticVariable("DEVICE_X86_64_RUSTC_FLAGS", x86_64RustFlags)
 }
 
 type toolchainX86_64 struct {

rust/config/x86_device.go

@@ -55,6 +55,7 @@ func init() {
 			strings.Join(rustFlags, " "))
 	}
 
+	ExportedVars.ExportStringListStaticVariable("DEVICE_X86_RUSTC_FLAGS", x86RustFlags)
 }
 
 type toolchainX86 struct {