qt5_create_translation

// заполнитель кода
cmake_minimum_required(VERSION 3.14)

project(untitled2 LANGUAGES CXX)

set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(QT NAMES Qt6 Qt5 COMPONENTS Widgets LinguistTools REQUIRED)
find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Widgets LinguistTools REQUIRED)

set(TS_FILES untitled2_ru_RU.ts)

add_library(untitled2 SHARED
  untitled2_global.h
  untitled2.cpp
  untitled2.h
  ${TS_FILES}
)

target_link_libraries(untitled2 PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)

target_compile_definitions(untitled2 PRIVATE UNTITLED2_LIBRARY)

if(COMMAND qt_create_translation)
    qt_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
else()
    qt5_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
endif()