[bazel] Port f9cd2ee119ff6bd59f48fd71617dc4fc981083c9 (#158691)
diff --git a/utils/bazel/llvm_configs/llvm-config.h.cmake b/utils/bazel/llvm_configs/llvm-config.h.cmake
index 39136bc..6488d6c 100644
--- a/utils/bazel/llvm_configs/llvm-config.h.cmake
+++ b/utils/bazel/llvm_configs/llvm-config.h.cmake
@@ -146,4 +146,7 @@
coverage bugs, and to 0 otherwise. */
#cmakedefine01 LLVM_ENABLE_DEBUGLOC_TRACKING_ORIGIN
+/* Define to 1 to enable LLVM OnDisk Content Addressable Storage */
+#cmakedefine01 LLVM_ENABLE_ONDISK_CAS
+
#endif