diff --git a/Makefile b/Makefile
index c81d969..af1ee36 100644
--- a/Makefile
+++ b/Makefile
@@ -56,8 +56,8 @@
 $(BUILD_DIR)/hello-macosx.bin: Test.cpp $$(@D)/
 	@echo "Building MacOSX binary..."
 	ls -la /usr/lib/llvm-14/lib
-	$(MACOSX_CXX) $< -o $@ -fno-lto -L/usr/lib/llvm-14/lib
-	$(MACOSX_CXX) $< -o $@
+	$(MACOSX_CXX) -O0 $< -o $@ -v
+	$(MACOSX_CXX) $< -o $@ -fno-lto -L/usr/lib/llvm-14/lib -v
 
 tidy: $(BUILD_DIR)/tidy.xml