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@trosh are you building it in a clean chroot? because I do not get any error.

I'm getting the following build errors:

[  4%] Building CXX object src/CMakeFiles/kddockwidgets.dir/Config.cpp.o
In file included from /usr/include/fmt10/fmt/format.h:49,
                 from /usr/include/spdlog/fmt/fmt.h:29,
                 from /usr/include/spdlog/common.h:50,
                 from /usr/include/spdlog/spdlog.h:12,
                 from /home/trosh/.cache/yay/kddockwidgets-qt6/src/KDDockWidgets-2.2.5/src/core/spdlog_formatters_p.h:17,
                 from /home/trosh/.cache/yay/kddockwidgets-qt6/src/KDDockWidgets-2.2.5/src/core/Logging_p.h:26,
                 from /home/trosh/.cache/yay/kddockwidgets-qt6/src/KDDockWidgets-2.2.5/src/core/Utils_p.h:19,
                 from /home/trosh/.cache/yay/kddockwidgets-qt6/src/KDDockWidgets-2.2.5/src/Config.cpp:23:
/usr/include/fmt10/fmt/core.h:289:30: error: redefinition of ‘struct fmt::v11::is_contiguous<T>’
  289 | template <typename T> struct is_contiguous : std::false_type {};
      |                              ^~~~~~~~~~~~~
In file included from /usr/include/spdlog/fmt/fmt.h:28:
/usr/include/fmt/base.h:636:30: note: previous definition of ‘struct fmt::v11::is_contiguous<T>’
  636 | template <typename T> struct is_contiguous : std::false_type {};
      |                              ^~~~~~~~~~~~~
/usr/include/fmt10/fmt/core.h:293:8: error: redefinition of ‘struct fmt::v11::monostate’
  293 | struct monostate {
      |        ^~~~~~~~~
/usr/include/fmt/base.h:339:8: note: previous definition of ‘struct fmt::v11::monostate’
  339 | struct monostate {
      |        ^~~~~~~~~
/usr/include/fmt10/fmt/core.h:319:45: error: redefinition of ‘template<class ... T> constexpr void fmt::v11::detail::ignore_unused(const T& ...)’
  319 | template <typename... T> FMT_CONSTEXPR void ignore_unused(const T&...) {}
      |                                             ^~~~~~~~~~~~~
/usr/include/fmt/base.h:363:45: note: ‘template<class ... T> constexpr void fmt::v11::detail::ignore_unused(const T& ...)’ previously declared here
  363 | template <typename... T> FMT_CONSTEXPR void ignore_unused(const T&...) {}
      |                                             ^~~~~~~~~~~~~
/usr/include/fmt10/fmt/core.h:321:27: error: redefinition of ‘constexpr bool fmt::v11::detail::is_constant_evaluated(bool)’
  321 | constexpr FMT_INLINE auto is_constant_evaluated(
      |                           ^~~~~~~~~~~~~~~~~~~~~
/usr/include/fmt/base.h:365:16: note: ‘constexpr bool fmt::v11::detail::is_constant_evaluated(bool)’ previously defined here
  365 | constexpr auto is_constant_evaluated(bool default_value = false) noexcept
      |                ^~~~~~~~~~~~~~~~~~~~~
/usr/include/fmt10/fmt/core.h:340:49: error: redefinition of ‘template<class T> constexpr T fmt::v11::detail::const_check(T)’
  340 | template <typename T> constexpr FMT_INLINE auto const_check(T value) -> T {
      |                                                 ^~~~~~~~~~~
/usr/include/fmt/base.h:382:56: note: ‘template<class T> constexpr T fmt::v11::detail::const_check(T)’ previously declared here
  382 | template <typename T> FMT_ALWAYS_INLINE constexpr auto const_check(T val) -> T {
      |                                                        ^~~~~~~~~~~

… and a few thousand more lines of errors.

When I tried building straight from the current Git branch using the instructions from the manual I seem to get the same errors; but I'm not seeing anything about that on the Issues page on GitHub. Is it something about C++ standard version? Am I doing something wrong?

Thanks :-)

@Martchus thanks, fixed.

This package needs to be rebuilt against fmt 11 but the rebuild unfortunately fails:

/build/kddockwidgets-qt6/src/KDDockWidgets-2.1.0/src/LayoutSaver.cpp:1187:9:   required from here
   38 |             logger->log(level, __VA_ARGS__);                                     \
      |             ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
/usr/include/fmt/base.h:1402:29: error: passing ‘const fmt::v11::formatter<QRect>’ as ‘this’ argument discards qualifiers [-fpermissive]
 1402 |     ctx.advance_to(cf.format(*static_cast<qualified_type*>(arg), ctx));
      |                    ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/kddockwidgets-qt6/src/KDDockWidgets-2.1.0/src/core/spdlog_formatters_p.h:58:10: note:   in call to ‘auto fmt::v11::formatter<QRect>::format(KDDockWidgets::Rect, FormatContext&) [with FormatContext = fmt::v11::context; KDDockWidgets::Rect = QRect]’
   58 |     auto format(KDDockWidgets::Rect r, FormatContext &ctx)
      |          ^~~~~~
make[2]: *** [src/CMakeFiles/kddockwidgets.dir/build.make:207: src/CMakeFiles/kddockwidgets.dir/LayoutSaver.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/Makefile2:390: src/CMakeFiles/kddockwidgets.dir/all] Error 2
make: *** [Makefile:136: all] Error 2

It would probably help to cherry-pick the patch https://github.com/KDAB/KDDockWidgets/commit/75b97565d1dd0b4af98fc63913d15c4f110f07df.patch.

@Mai65 as I am not able to reproduce the error, in the meantime you can download the package from the unofficial chaotic-aur repository.

Hi, I am not 100% sure that I have done what you want me to do, but here is what I have done so far:

yay -Sc 
yay -S kddockwidgets-qt6

When asked if I want to do a clean build, I say yes. I hope this is what you mean by a clean chroot. If not, I am sorry, I did not understand the instructions.

@Mai65 have you tried building in a clean chroot?

Hi I am having linking problems. Hope someone can help:

[ 61%] Linking CXX executable ../../../bin/qtquick_dockwidgets
/usr/bin/ld: /usr/lib/libproxy/libpxbackend-1.0.so: undefined reference to `curl_easy_setopt@CURL_OPENSSL_4'
/usr/bin/ld: /usr/lib/libproxy/libpxbackend-1.0.so: undefined reference to `curl_easy_cleanup@CURL_OPENSSL_4'
/usr/bin/ld: /usr/lib/libproxy/libpxbackend-1.0.so: undefined reference to `curl_easy_perform@CURL_OPENSSL_4'
/usr/bin/ld: /usr/lib/libproxy/libpxbackend-1.0.so: undefined reference to `curl_easy_init@CURL_OPENSSL_4'
/usr/bin/ld: /usr/lib/libproxy/libpxbackend-1.0.so: undefined reference to `curl_easy_strerror@CURL_OPENSSL_4'
collect2: error: ld returned 1 exit status
make[2]: *** [examples/qtquick/dockwidgets/CMakeFiles/qtquick_dockwidgets.dir/build.make:190: bin/qtquick_dockwidgets] Error 1
make[1]: *** [CMakeFiles/Makefile2:450: examples/qtquick/dockwidgets/CMakeFiles/qtquick_dockwidgets.dir/all] Error 2
make: *** [Makefile:136: all] Error 2

@Martchus you're right, done, thanks again.

Thanks for the quick response. I only had a look at the file list of this package now and it looks like it is not in conflict with kddockwidgets. All files seems to be in qt6-specific directories are have an according suffix.

Note that also the provide for kddockwidgets is actually completely wrong. One cannot just use this package as an alternative to kddockwidgets. An application that still uses Qt 5 has to use kddockwidgets and not kddockwidgets-qt6.

That means it would be best to drop the provides and conflicts lines completely.