Hi Mario,
A thing as large as Qt is quite daunting to get to work, often because each
little thing you try requires a full rebuild to make sure the change was
actually propagated through all the layers of the build system.
I would suggest starting from the PKGBUILD for the binary package, which
includes the exact commands, dependencies, and options used to build the Qt
package you already found. It is located here:
https://github.com/Alexpux/MINGW-packages/blob/master/mingw-w64-qt5/PKGBUILD
It's quite a monster, but most of that is to suppor the static build and
making it work with the other MSYS2 libraries instead of those included
with Qt.
Make sure you have all the prerequisite libraries (the "depends" and
"makedepends" arrays) and try to figure out a sane set of configure
options. In the worst case just add an "echo" in front of line 541
<https://github.com/Alexpux/MINGW-packages/blob/master/mingw-w64-qt5/PKGBUILD#L541>,
so you can see what is used for the MSYS2 package.
Hope this helps!
Qt 4 was simpler, but also less configurable.
Good luck!
Ruben
2016-03-24 9:56 GMT+01:00 Mario Emmenlauer <ma...@emmenlauer.de>:
>
> Dear All,
>
> thanks for the awesome mingw64, and for the equally awesome msys2.
> Installation has been almost trivial, very nice work!
>
> For the learning experience, I'm trying to compile Qt 5.5.1 for x86_64,
> but I fail. It goes quite a while, but then it fails with:
> g++ -c -include .pch/release/qt_pch.h -pipe -fno-keep-inline-dllexport -O2
> -std=c++0x -fno-exceptions -frtti -Wall -Wextra -DUNICODE -DQT_NO_MTDEV
> -DQT_NO_LIBUDEV -DQT_NO_EVDEV -DQT_NO_TSLIB -DQT_NO_LIBINPUT
> -DQT_NO_CAST_FROM_ASCII -DQT_BUILD_PLATFORMSUPPORT_LIB -DQT_BUILDING_QT
> -D_CRT_SECURE_NO_WARNINGS
> -D_USE_MATH_DEFINES -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS
> -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS
> -DQT_DISABLE_DEPRECATED_BEFORE=0x040800 -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG
> -DQT_GUI_LIB -DQT_DBUS_LIB -DQT_CORE_LIB -I. -Iaccessibility -Idbusmenu
> -I../gui/kernel
> -Idbustray -I../gui/kernel -I../../include
> -I../../include/QtPlatformSupport -I../../include/QtPlatformSupport/5.5.1
> -I../../include/QtPlatformSupport/5.5.1/QtPlatformSupport -Itmp
> -I../../include/QtCore/5.5.1 -I../../include/QtCore/5.5.1/QtCore
> -I../../include/QtGui/5.5.1
> -I../../include/QtGui/5.5.1/QtGui -I../../include/QtGui
> -I../../include/QtDBus -I../../include/QtCore -I.moc/release
> -I../../mkspecs/win32-g++ -o
> .obj/release/qdbusmenuconnection.o dbusmenu/qdbusmenuconnection.cpp
>
> In file included from dbustray/qdbustrayicon_p.h:55:0,
>
> from dbusmenu/qdbusmenuconnection.cpp:35:
>
> ../../include/QtPlatformSupport/5.5.1/QtPlatformSupport/private/qdbusmenuconnection_p.h:1:79:
> fatal error:
> ../../../../../src/platformsupport/dbusmenu/qdbusmenuconnection_p.h: No
> such file or directory
>
> compilation terminated.
>
>
>
> When I follow all the relative paths, the header is there:
>
> ../../include/QtPlatformSupport/5.5.1/QtPlatformSupport/private/../../../../../src/platformsupport/dbusmenu/qdbusmenuconnection_p.h
>
> But I could not find out if g++ is supposed to resolve the relative path
> relative to the included header? Strangely enough, I can not find any-
> thing related to this error on the web, so it must be something I'm
> doing wrong? I'm a bit lost where to report this. Is it Qt related, or
> something g++ should do (differently), or an msys2-setting I did wrong?
>
> Thanks for any pointers, and all the best,
>
> Mario
>
>
>
> PS: I've seen that Qt is also packaged with msys2, but I was hoping to
> have a good learning experience by compiling it myself. Does someone
> have experience how hard it is to get basic functionality working?
>
>
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