Clang Compiler Windows May 2026

cmake -B build -G "Visual Studio 17 2022" -T ClangCL
cmake --build build --config Release

Or for Ninja + Clang:

cmake -B build -G Ninja -DCMAKE_CXX_COMPILER=clang++

Fix: Your MSVC installation is incomplete. Run the Visual Studio Installer and add the "Windows 10/11 SDK" and "MSVC v143 - VS 2022 C++ x64/x86 build tools". clang compiler windows

Windows debugging relies on .pdb (Program Database) files. Clang handles this seamlessly: cmake -B build -G "Visual Studio 17 2022"

clang-cl /Zi /O2 hello.cpp /Fe:hello.exe /Fd:hello.pdb

You can then debug with WinDbg, Visual Studio, or LLDB: Or for Ninja + Clang: cmake -B build

lldb hello.exe
(lldb) breakpoint set --name main
(lldb) run