clang-cl /EHsc /O2 /Fe:hello.exe hello.cpp
Navigate to the official GitHub releases page for LLVM ( llvm/llvm-project ). Download the Windows installer ( LLVM- -win64.exe ).
Setting up Clang on Windows unlocks modern C++ features, faster build times, and incredible error reporting. For seamless integration with existing Windows projects, use clang-cl via Visual Studio. For lightweight or cross-platform code, pair standalone clang++ with CMake or VS Code. clang compiler windows
But I remembered the secret sauce: , the LLVM linker.
Drop-in replacement for cl.exe in existing Windows projects. Pure LLVM/Clang builds (often via Chocolatey). Native Windows development with a "Windows-y" backend. MSYS2 / MinGW Clang versions tied to the Unix-like MSYS2 environment. Porting Linux/Unix software to Windows. Visual Studio Integrated Bundled as an optional component in the IDE. clang-cl /EHsc /O2 /Fe:hello
How to get started quickly
Give it a try on your next project!
: If your project relies on heavy Unix dependencies (like make or bash ).
I switched from the Microsoft linker ( link.exe ) to lld-link.exe . clang-cl -fuse-ld=lld main.cpp For seamless integration with existing Windows projects, use