--- CMakeLists.txt.orig	2025-03-04 22:35:21 UTC
+++ CMakeLists.txt
@@ -807,9 +807,9 @@ else()
   set(ZIG2_COMPILE_FLAGS "/Od")
   set(ZIG2_LINK_FLAGS "/STACK:16777216 /FORCE:MULTIPLE")
 else()
-  set(ZIG_WASM2C_COMPILE_FLAGS "-std=c99 -O2")
+  set(ZIG_WASM2C_COMPILE_FLAGS "-std=c99 -Os")
   set(ZIG1_COMPILE_FLAGS "-std=c99 -Os")
-  set(ZIG2_COMPILE_FLAGS "-std=c99 -O0 -fno-stack-protector")
+  set(ZIG2_COMPILE_FLAGS "-std=c99 -Os -fno-stack-protector")
   if(APPLE)
     set(ZIG2_LINK_FLAGS "-Wl,-stack_size,0x10000000")
   elseif(MINGW)