@echo off echo Setting system environment variables for LLVM... REM Set system-wide environment variables setx LLVM_SYS_180_PREFIX "C:\LLVM-18" setx LLVM_SYS_NO_LIBFFI "1" setx LLVM_SYS_180_FFI_WORKAROUND "1" echo. echo Environment variables set. Please open a NEW command prompt and run: echo cargo build --bin nyash --release --features llvm echo. pause