[yocto] [meta-mingw] Windows SDK build fails using meta-qt5

[IGI - Moritz Porst]

Hello everyone,

I am trying to compile a windows sdk for my image. I use meta-mingw and meta-qt, the target machine is based on meta-intel (corei7-64) and the distribution based on poky. My build machine is an ubuntu 16.04. I have checked out all layers on their thud branch, except for meta-qt (master). I set SDK_MACHINE in local.conf to "x86_64-mingw32" "bitbake core-image-minimal -c populate_sdk" results on a clean rebuild (deleted sstate-cache and tmp) in (2 errors of this kind):

""" [...] x86_64-nativesdk-mingw32-pokysdk-mingw32/nativesdk-qtbase/5.12.0+gitAUTOINC+13ed06640c-r0/git/qmake/library/ioutils.cpp:249:31: error: cannot convert 'wchar_t*' to 'LPCSTR' {aka 'const char*'}

[...] | Makefile:213: recipe for target 'ioutils.o' failed [...]
[...] ERROR: Task (/opt/thudPoky/meta-qt5/recipes-qt/qt5/nativesdk-qtbase_git.bb:do_configure) failed with exit code '1' [...] """

So I decided to remove sdk tools, hoping to be able to cross compile them later, by commenting out in my image:  #inherit populate_sdk_qt5

This build also failed because the build system tried to invoke "cmake --install" on a non-cmake directory. commenting out "inherit cmake" however solved the problem and the sdk was created (1.1GB .tar.gz file BUT without meta-qt sdk tools). I needed cmake only for a previous cross-compilation, thus commenting out was (at least now) no problem.
Is meta-mingw capable of compiling an sdk with meta-qt ? Could this be a bug ? If yes, should I rather refer to the meta-mingw maintainers or the meta-qt5 maintainers ?
Best regards
Moritz


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