diff --git a/build.config.common b/build.config.common
index 73e50cb588c7..e9c93042f46a 100644
--- a/build.config.common
+++ b/build.config.common
@@ -1,9 +1,11 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.constants
+
 BRANCH=android13-5.10
 KMI_GENERATION=0
 
 LLVM=1
 DEPMOD=depmod
-CLANG_PREBUILT_BIN=prebuilts/clang/host/linux-x86/clang-r437112/bin
+CLANG_PREBUILT_BIN=prebuilts/clang/host/linux-x86/clang-${CLANG_VERSION}/bin
 BUILDTOOLS_PREBUILT_BIN=build/build-tools/path/linux-x86
 DTC=${ROOT_DIR}/${BUILDTOOLS_PREBUILT_BIN}/dtc
 
diff --git a/build.config.constants b/build.config.constants
new file mode 100644
index 000000000000..3ba91bacef59
--- /dev/null
+++ b/build.config.constants
@@ -0,0 +1 @@
+CLANG_VERSION=r437112