I am new to cmake and sfml, and i want to learn cpp game development.on my linux machine i got this error:
[1/1] Linking CXX executable SFMLAppFAILED: SFMLApp : && /usr/bin/c++ -g CMakeFiles/SFMLApp.dir/main.cpp.o -o SFMLApp -L/home/issa/CLionProjects/Graphics_demo/SFML_LIBRARY_DIR -Wl,-rpath,/home/issa/CLionProjects/Graphics_demo/SFML_LIBRARY_DIR:/home/issa/Cpp-libs/SFML-2.6.1/lib /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-graphics-d.so.2.6.1 /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-window-d.so.2.6.1 /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1 /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-system-d.so.2.6.1 && :/usr/bin/ld: warning: libFLAC.so.12, needed by /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1, not found (try using -rpath or -rpath-link)/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_skip_single_frame'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_process_until_end_of_metadata'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_seek_absolute'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_init_file'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_finish'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_finish'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_process_interleaved'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_set_channels'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_new'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_new'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_delete'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_set_sample_rate'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_process_single'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_get_state'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_decoder_init_stream'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_delete'/usr/bin/ld: /home/issa/Cpp-libs/SFML-2.6.1/lib/libsfml-audio-d.so.2.6.1: undefined reference to `FLAC__stream_encoder_set_bits_per_sample'collect2: error: ld returned 1 exit statusninja: build stopped: subcommand failed.i have libflac-dev installed:
$ sudo find /* -name libFLAC.so.*.../usr/lib/x86_64-linux-gnu/libFLAC.so.8/usr/lib/x86_64-linux-gnu/libFLAC.so.8.3.0...What change should i do in to link libflac-dev in CMakeLists.txt:
cmake_minimum_required(VERSION 3.25)project(Graphics_demo)set(CMAKE_CXX_STANDARD 17)add_executable(Graphics_demo main.cpp)set(EXECUTABLE_NAME "SFMLApp")set(SFML_INCLUDE_DIR "/home/issa/Cpp-libs/SFML-2.6.1/include")set(SFML_LIBRARY_DIR "/home/issa/Cpp-libs/SFML-2.6.1/lib")set(SFML_DIR "/home/issa/Cpp-libs/SFML-2.6.1/lib/cmake/SFML")link_directories(SFML_LIBRARY_DIR)include_directories(SFML_INCLUDE_DIR)find_package(SFML 2.6.1 COMPONENTS system window graphics audio network)if (SFML_FOUND) message(STATUS "SFML_INCLUDE_DIR: ${SFML_INCLUDE_DIR}") message(STATUS "SFML_LIBRARIES: ${SFML_LIBRARIES}") message(STATUS "SFML_VERSION: ${SFML_VERSION}")endif ()add_executable(SFMLApp main.cpp)target_link_libraries(SFMLApp sfml-graphics sfml-window sfml-system sfml-audio)why this command work without an errors while the cmake one doesn't?
g++ main.cpp -o main -lsfml-system -lsfml-graphics -lsfml-audio -lsfml-window