clang

LLVM C compiler as a GCC alternative

Ubuntu CentOS Debian SUSE Fedora RHEL Arch Alpine macOS

Verified: 2026-05-13

Syntax

$clang [options] <input files>

Optionen

-o

-Wall

-O2

-std

Examples

$clang hello.c -o hello

$clang -Wall -O2 app.c -o app

$clang -std=c17 main.c -o main