clang++

LLVM C++ compiler as a g++ alternative

Ubuntu CentOS Debian SUSE Fedora RHEL Arch Alpine macOS

Verified: 2026-05-13

Syntax

$clang++ [options] <input files>

Optionen

-o

-std

-Wall

-O2

Examples

$clang++ main.cpp -o app

$clang++ -std=c++20 src.cpp -o src

$clang++ -Wall -O2 app.cpp -o app