diff --git a/debian/rules b/debian/rules
index 83ffd9f1..9983fc0c 100755
--- a/debian/rules
+++ b/debian/rules
@@ -542,6 +542,7 @@ preconfigure:
 	@echo "COMPILER_RT_WASM_ENABLE=$(COMPILER_RT_WASM_ENABLE)"
 	@echo "LIBCXX_WASM_ENABLE=$(LIBCXX_WASM_ENABLE)"
 	@echo "SCCACHE_ENABLE=$(SCCACHE_ENABLE)"
+	@echo "LLVM_SPIRV_INSTALLED=$(LLVM_SPIRV_INSTALLED)"
 
 	for f in debian/*.in; do \
 		f2=$$(echo $$f | sed 's/\.in$$//;s/X\.Y/$(LLVM_VERSION)/'); \