How to build qt 6.5.0 on Ubuntu 18.04 ?

./configure \
  -ltcg \
  -release \
  -c++std c++17 \
  -optimize-size \
  -openssl-linked \
  -qt-libjpeg \
  -qt-libpng \
  -qt-pcre \
  -qt-harfbuzz \
  -no-icu \
  -no-directfb \
  -no-linuxfb \
  -no-eglfs \
  -no-feature-testlib \
  -no-feature-vnc \
  -feature-optimize_full \
  -nomake examples \
  -nomake tests

opt: libjpeg val: qt
Overriding option 'libjpeg' with 'qt' (was: 'undefined')
opt: libpng val: qt
Overriding option 'libpng' with 'qt' (was: 'undefined')
opt: pcre val: qt
opt: harfbuzz val: qt
Overriding option 'harfbuzz' with 'qt' (was: 'undefined')
'/usr/local/bin/cmake' '-DQT_INTERNAL_FRESH_REQUESTED:BOOL=TRUE' '--fresh' '-DQT_BUILD_EXAMPLES=FALSE' '-DQT_BUILD_TESTS=FALSE' '-DCMAKE_BUILD_TYPE=Release' '-DCMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE=ON' '-DINPUT_cxx14=yes' '-DINPUT_cxx17=yes' '-DINPUT_cxx20=no' '-DINPUT_cxx2b=no' '-DINPUT_optimize_size=yes' '-DINPUT_openssl=linked' '-DINPUT_libjpeg=qt' '-DINPUT_libpng=qt' '-DINPUT_pcre=qt' '-DINPUT_harfbuzz=qt' '-DINPUT_icu=no' '-DINPUT_directfb=no' '-DINPUT_linuxfb=no' '-DINPUT_eglfs=no' '-DINPUT_testlib=no' '-DINPUT_vnc=no' '-DINPUT_optimize_full=yes' '-G' 'Ninja' '/usr/src/qtbase-6.5.0'
-- The CXX compiler identification is GNU 8.4.0
-- The C compiler identification is GNU 8.4.0
-- The ASM compiler identification is GNU
-- Found assembler: /usr/bin/cc
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
            -DCMAKE_C_FLAGS_DEBUG=-g
            -DCMAKE_C_FLAGS_RELEASE=-O3 -DNDEBUG
            -DCMAKE_C_FLAGS_RELWITHDEBINFO=-O2 -g -DNDEBUG
            -DCMAKE_CXX_FLAGS_DEBUG=-g
            -DCMAKE_CXX_FLAGS_RELEASE=-O3 -DNDEBUG
            -DCMAKE_CXX_FLAGS_RELWITHDEBINFO=-O2 -g -DNDEBUG
            -DCMAKE_OBJCOPY=/usr/bin/objcopy
            -DCMAKE_C_STANDARD=11
            -DCMAKE_C_STANDARD_REQUIRED=ON
            -DCMAKE_CXX_STANDARD=17
            -DCMAKE_CXX_STANDARD_REQUIRED=ON
            -DCMAKE_MODULE_PATH:STRING=/usr/src/qtbase-6.5.0/cmake/platforms
CMake Error at cmake/QtExecutableHelpers.cmake:474 (message):
  Unable to build syncqt: Change Dir:
  /usr/src/qtbase-6.5.0/src/tools/syncqt/configure_time_bins



  Run Build Command(s):/usr/local/bin/ninja -v && [1/1] : && /usr/bin/c++ -s
  -O2 -g -DNDEBUG CMakeFiles/syncqt.dir/main.cpp.o -o
  /usr/src/qtbase-6.5.0/libexec/syncqt && :

  FAILED: /usr/src/qtbase-6.5.0/libexec/syncqt

  : && /usr/bin/c++ -s -O2 -g -DNDEBUG CMakeFiles/syncqt.dir/main.cpp.o -o
  /usr/src/qtbase-6.5.0/libexec/syncqt && :

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `std::filesystem::__cxx11::path::path<std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> >,
  std::filesystem::__cxx11::path>(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&,
  std::filesystem::__cxx11::path::format) [clone .constprop.936]':

  /usr/include/c++/8/bits/fs_path.h:185: undefined reference to
  `std::filesystem::__cxx11::path::_M_split_cmpts()'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::generateAliasedHeaderFileIfTimestampChanged(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&,
  std::__cxx11::basic_string<char, std::char_traits<char>,
  std::allocator<char> > const&,
  std::chrono::time_point<std::chrono::_V2::system_clock,
  std::chrono::duration<long, std::ratio<1l, 1000000000l> > > const&)':

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::generateAliasedHeaderFileIfTimestampChanged(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&,
  std::__cxx11::basic_string<char, std::char_traits<char>,
  std::allocator<char> > const&,
  std::chrono::time_point<std::chrono::_V2::system_clock,
  std::chrono::duration<long, std::ratio<1l, 1000000000l> > > const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1525: undefined reference
  to `std::filesystem::last_write_time(std::filesystem::__cxx11::path
  const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `std::filesystem::__cxx11::path::path(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> >&&,
  std::filesystem::__cxx11::path::format) [clone .constprop.953]':

  /usr/include/c++/8/bits/fs_path.h:178: undefined reference to
  `std::filesystem::__cxx11::path::_M_split_cmpts()'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::updateOrCopy(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&)':

  /usr/include/c++/8/bits/fs_path.h:546: undefined reference to
  `std::filesystem::__cxx11::path::compare(std::filesystem::__cxx11::path
  const&) const'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::updateOrCopy(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1474: undefined reference
  to `std::filesystem::copy(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&, std::filesystem::copy_options,
  std::error_code&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1477: undefined reference
  to `std::filesystem::remove(std::filesystem::__cxx11::path const&,
  std::error_code&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1486: undefined reference
  to `std::filesystem::copy(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&, std::filesystem::copy_options,
  std::error_code&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::writeIfDifferent(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&,
  std::__cxx11::basic_string<char, std::char_traits<char>,
  std::allocator<char> > const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1550: undefined reference
  to `std::filesystem::__cxx11::path::parent_path() const'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::writeIfDifferent(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&,
  std::__cxx11::basic_string<char, std::char_traits<char>,
  std::allocator<char> > const&)':

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::writeIfDifferent(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&,
  std::__cxx11::basic_string<char, std::char_traits<char>,
  std::allocator<char> > const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1552: undefined reference
  to `std::filesystem::create_directories(std::filesystem::__cxx11::path
  const&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:1561: undefined reference
  to `std::filesystem::file_size(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `utils::normilizedPath(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:113: undefined reference to
  `std::filesystem::absolute(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `utils::normilizedPath(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&)':

  /usr/include/c++/8/bits/fs_path.h:178: undefined reference to
  `std::filesystem::__cxx11::path::_M_split_cmpts()'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::makeHeaderAbsolute(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&) const':

  /usr/include/c++/8/bits/fs_path.h:381: undefined reference to
  `std::filesystem::__cxx11::path::has_root_directory() const'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::copyGeneratedHeadersToStagingDirectory(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&, bool)':

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::copyGeneratedHeadersToStagingDirectory(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&, bool)':

  /usr/include/c++/8/bits/fs_path.h:178: undefined reference to
  `std::filesystem::__cxx11::path::_M_split_cmpts()'

  /usr/include/c++/8/bits/fs_path.h:178: undefined reference to
  `std::filesystem::__cxx11::path::_M_split_cmpts()'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::copyGeneratedHeadersToStagingDirectory(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&, bool)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:675: undefined reference to
  `std::filesystem::create_directories(std::filesystem::__cxx11::path
  const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::copyGeneratedHeadersToStagingDirectory(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&, bool)':

  /usr/include/c++/8/bits/fs_dir.h:441: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::recursive_directory_iterator(std::filesystem::__cxx11::path
  const&, std::filesystem::directory_options, std::error_code*)'

  /usr/include/c++/8/bits/fs_dir.h:456: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::copyGeneratedHeadersToStagingDirectory(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&, bool)':

  /usr/include/c++/8/bits/shared_ptr_base.h:614: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::copyGeneratedHeadersToStagingDirectory(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> > const&, bool)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::operator*() const'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::operator++()'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:681: undefined reference to
  `std::filesystem::remove(std::filesystem::__cxx11::path const&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:678: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::parseVersionScriptContent(std::__cxx11::basic_string<char,
  std::char_traits<char>, std::allocator<char> >,
  SyncScanner::ParsingResult&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:904: undefined reference to
  `std::filesystem::relative(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:902: undefined reference to
  `std::filesystem::relative(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::parseHeader(std::filesystem::__cxx11::path const&,
  SyncScanner::ParsingResult&, unsigned int)':

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::processHeader(std::filesystem::__cxx11::path const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:743: undefined reference to
  `std::filesystem::last_write_time(std::filesystem::__cxx11::path const&,
  std::error_code&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::processHeader(std::filesystem::__cxx11::path const&)':

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  /usr/include/c++/8/bits/fs_ops.h:121: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::processHeader(std::filesystem::__cxx11::path const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:768: undefined reference to
  `std::filesystem::weakly_canonical(std::filesystem::__cxx11::path const&,
  std::error_code&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:768: undefined reference to
  `std::filesystem::__cxx11::path::root_name() const'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::processHeader(std::filesystem::__cxx11::path const&)':

  /usr/include/c++/8/bits/fs_path.h:546: undefined reference to
  `std::filesystem::__cxx11::path::compare(std::filesystem::__cxx11::path
  const&) const'

  CMakeFiles/syncqt.dir/main.cpp.o: In function
  `SyncScanner::processHeader(std::filesystem::__cxx11::path const&)':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:763: undefined reference to
  `std::filesystem::create_directories(std::filesystem::__cxx11::path
  const&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:770: undefined reference to
  `std::filesystem::relative(std::filesystem::__cxx11::path const&,
  std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:614: undefined reference to
  `std::filesystem::last_write_time(std::filesystem::__cxx11::path const&,
  std::error_code&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/include/c++/8/bits/fs_dir.h:441: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::recursive_directory_iterator(std::filesystem::__cxx11::path
  const&, std::filesystem::directory_options, std::error_code*)'

  /usr/include/c++/8/bits/fs_dir.h:456: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/include/c++/8/bits/shared_ptr_base.h:614: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::operator*() const'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::operator++()'

  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/include/c++/8/bits/fs_dir.h:260: undefined reference to
  `std::filesystem::status(std::filesystem::__cxx11::path const&)'

  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/include/c++/8/bits/fs_path.h:1059: undefined reference to
  `std::filesystem::__cxx11::path::_M_find_extension() const'

  CMakeFiles/syncqt.dir/main.cpp.o: In function `SyncScanner::sync()':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:562: undefined reference to
  `std::filesystem::__cxx11::recursive_directory_iterator::~recursive_directory_iterator()'


  CMakeFiles/syncqt.dir/main.cpp.o: In function `main':

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:536: undefined reference to
  `std::filesystem::weakly_canonical(std::filesystem::__cxx11::path const&)'

  /usr/src/qtbase-6.5.0/src/tools/syncqt/main.cpp:537: undefined reference to
  `std::filesystem::__cxx11::path::root_name() const'

  collect2: error: ld returned 1 exit status

  ninja: build stopped: subcommand failed.



Call Stack (most recent call first):
  cmake/QtToolHelpers.cmake:667 (qt_internal_add_configure_time_executable)
  src/tools/syncqt/CMakeLists.txt:25 (qt_internal_add_configure_time_tool)


-- Configuring incomplete, errors occurred!
CMake Error at cmake/QtProcessConfigureArgs.cmake:994 (message):
  CMake exited with code 1.