Format with clang-format

cmake_minimum_required(VERSION 3.28)
project(my-project)

add_executable(my-app main.c)

file(GLOB_RECURSE ALL_SOURCE_FILES
    *.c *.h *.cpp *.hpp *.cxx *.hxx *.cc *.hh *.cppm *.ipp *.ixx)
add_custom_target(format
    COMMAND clang-format
    -i
    ${ALL_SOURCE_FILES}
)

#include <stdio.h>
int      main(   ){
            puts(    "Hello world!"
        );
return 0;
     }

cmake -B build
cmake --build build --target format
# ✨ Now the code is formatted!

#include <stdio.h>
int main() {
    puts("Hello world!");
    return 0;
}