w2midi_qt/CMakeLists.txt

cmake_minimum_required(VERSION 3.0)

project(w2midi_qt)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)

if(CMAKE_VERSION VERSION_LESS "3.7.0")
    set(CMAKE_INCLUDE_CURRENT_DIR ON)
endif()

set(CMAKE_CXX_FLAGS_DEBUG "-Wall -Wextra")
set(CMAKE_CXX_FLAGS_RELEASE "-Wall -Wextra -Werror -O2")
set_directory_properties(PROPERTIES CLEAN_NO_CUSTOM TRUE)

find_package(Qt5 COMPONENTS Widgets REQUIRED)

set(TS_FILES
        ${CMAKE_SOURCE_DIR}/lang/ru_RU.ts
)

file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lang)  # create directory for lrelease output (it does not created autmatically by lrelease)

find_package(Qt5 COMPONENTS ${REQUIRED_LIBS} LinguistTools REQUIRED) # finding LinguistTools

#configure_file(icons.qrc ${CMAKE_CURRENT_BINARY_DIR} COPYONLY)
configure_file(translations.qrc ${CMAKE_CURRENT_BINARY_DIR} COPYONLY) # copy translations.qrc file to buld directory. It is needed because rcc searches resources in path relative to .qrc file

qt5_create_translation(QM_FILES ${CMAKE_CURRENT_SOURCE_DIR} ${TS_FILES}) # this should regenerate .ts files automatically but currently will remove old one when asking for rebuild. Which is undesirable. See QTBUG-96549 and https://forum.qt.io/topic/130308

set_source_files_properties(${TS_FILES} PROPERTIES OUTPUT_LOCATION "lang") # set qm files output directory
qt5_add_translation(QM_FILES ${TS_FILES})   # generate qm files

add_executable(w2midi_qt
    main.cpp
    cli.cpp
    app.cpp
    slider.cpp
    clickablelabel.cpp
    ${QM_FILES}
    ${TS_FILES}
    ${CMAKE_CURRENT_BINARY_DIR}/translations.qrc
    icons.qrc
)

target_link_libraries(w2midi_qt Qt5::Widgets)

install(TARGETS w2midi_qt)
install(DIRECTORY icons/hicolor DESTINATION /usr/share/icons/)
install(FILES w2midi_qt.desktop DESTINATION /usr/share/applications/)