CMake multiple target by list

CMakeLists.txt

cmake_minimum_required(VERSION 3.21)

project(cmake_test LANGUAGES C)

set(target "t1" "t2" "t3")

foreach(t ${target})
    set(MESSAGE_TEXT "Hello, ${t}")

    add_executable(${t} main.c)
    target_compile_definitions(${t} PRIVATE MESSAGE_TEXT="${MESSAGE_TEXT}")
endforeach()

main.c

#include <stdio.h>

#ifndef MESSAGE_TEXT
    #define MESSAGE_TEXT "Hello, World!"
#endif

int main() {
    printf("%s\n", MESSAGE_TEXT);
    return 0;
}

cmake -Bbuild
cmake --build

❯ ./build/t1
Hello, t1
❯ ./build/t2
Hello, t2
❯ ./build/t3
Hello, t3