Problem building on Ubuntu 20.04 about imhex HOT 13 CLOSED

target_link_libraries(ImHex libglfw.so libmagic.so libcrypto.so libdl.so libcapstone.so ${LLVM_LIBRARY_DIRS}/libLLVMDemangle.a ${Python_LIBRARIES} nlohmann_json::nlohmann_json)

[ 88%] Building CXX object CMakeFiles/ImHex.dir/libs/ImGui/source/imgui_demo.cpp.o
[ 91%] Building CXX object CMakeFiles/ImHex.dir/libs/ImGui/source/imgui_impl_opengl3.cpp.o
[ 94%] Building CXX object CMakeFiles/ImHex.dir/libs/ImGui/source/ImGuiFileBrowser.cpp.o
[ 97%] Building CXX object CMakeFiles/ImHex.dir/libs/ImGui/source/TextEditor.cpp.o
In file included from <redated>/opt/ImHex/source/lang/parser.cpp:3:
<redated>/opt/ImHex/include/helpers/utils.hpp: In instantiation of ‘std::string hex::format(const string&, Args ...) [with Args = {}; std::string = std::__cxx11::basic_string<char>]’:
<redated>/opt/ImHex/source/lang/parser.cpp:300:87:   required from here
<redated>/opt/ImHex/include/helpers/utils.hpp:25:32: warning: format not a string literal and no format arguments [-Wformat-security]
   25 |         ssize_t size = snprintf( nullptr, 0, format.c_str(), args ... );
      |                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<redated>/opt/ImHex/include/helpers/utils.hpp:31:17: warning: format not a string literal and no format arguments [-Wformat-security]
   31 |         snprintf(buffer.data(), size + 1, format.c_str(), args ...);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[100%] Linking CXX executable ImHex
/usr/bin/ld: cannot find -lLLVMDemangle
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/ImHex.dir/build.make:595: ImHex] Error 1
make[1]: *** [CMakeFiles/Makefile2:77: CMakeFiles/ImHex.dir/all] Error 2
make: *** [Makefile:84: all] Error 2

george@Ubuntu-20:~/ImHex/build$ make clean
george@Ubuntu-20:~/ImHex/build$ CC=gcc-10 CXX=g++-10 cmake ..
-- Configuring done
-- Generating done
-- Build files have been written to: /home/george/ImHex/build
george@Ubuntu-20:~/ImHex/build$ make -j 2
[  5%] Building CXX object CMakeFiles/ImHex.dir/source/window.cpp.o
[  5%] Building CXX object CMakeFiles/ImHex.dir/source/main.cpp.o
In file included from /home/george/ImHex/source/main.cpp:1:
/home/george/ImHex/include/window.hpp:3:10: fatal error: concepts: No such file or directory
    3 | #include <concepts>
      |          ^~~~~~~~~~
compilation terminated.
In file included from /home/george/ImHex/source/window.cpp:1:
/home/george/ImHex/include/window.hpp:3:10: fatal error: concepts: No such file or directory
    3 | #include <concepts>
      |          ^~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/ImHex.dir/build.make:63: CMakeFiles/ImHex.dir/source/main.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [CMakeFiles/ImHex.dir/build.make:76: CMakeFiles/ImHex.dir/source/window.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:77: CMakeFiles/ImHex.dir/all] Error 2
make: *** [Makefile:130: all] Error 2