build failures :(

[mrdudz]

i am trying to build on gentoo (stable profile). i can build other QT projects fine, so i guess i have all the required stuff :)

after qmake/make it dies with:

g++ -c -pipe -Werror -O2 -Wall -W -D_REENTRANT -DGIT_VERSION=\"0.2.4-2-gab55\" -DVERSION=\"0.2.4\" -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I../../src -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtNetwork -I/usr/include/qt4/QtGui -I/usr/include/qt4 -Isrc -Irelease -I. -I../../src -I. -o release/main.o ../../src/main.cpp In file included from ../../src/state.h:26:0, from ../../src/mainwindow.h:23, from ../../src/main.cpp:20: ../../src/stateimport.h:197:5: error: identifier 'static_assert' is a keyword in C++11 [-Werror=c++0x-compat] static_assert (sizeof(CTMHeader4) == 24, "Size is not correct"); ^ $ g++ --version g++ (Gentoo 5.4.0-r3 p1.4, pie-0.6.5) 5.4.0

after i hacked -std=c++11 into makefile.release, it apparently goes a bit further, but not quite:

In file included from ../../src/main.cpp:20:0: ../../src/mainwindow.h:124:39: error: expected ';' at end of member declaration void closeEvent(QCloseEvent event) Q_DECL_OVERRIDE; ^ ../../src/mainwindow.h:124:41: error: 'Q_DECL_OVERRIDE' does not name a type void closeEvent(QCloseEvent event) Q_DECL_OVERRIDE; ^ In file included from ../../src/main.cpp:21:0: ../../src/vchar64application.h:28:29: error: expected ';' at end of member declaration bool event(QEvent event) Q_DECL_OVERRIDE; ^ ../../src/vchar64application.h:28:31: error: 'Q_DECL_OVERRIDE' does not name a type bool event(QEvent event) Q_DECLOVERRIDE; ^ ../../src/main.cpp: In function 'int main(int, char**)': ../../src/main.cpp:31:31: error: incomplete type 'QLocale' used in nested name specifier qtTranslator.load("qt" + QLocale::system().name(), ^ ../../src/main.cpp:46:39: error: incomplete type 'QLocale' used in nested name specifier myappTranslator.load("vchar64_" + QLocale::system().name(), ^ ../../src/main.cpp:61:9: error: 'class VChar64Application' has no member named 'setApplicationDisplayName' app.setApplicationDisplayName(QLatin1String("VChar64")); ^ In file included from ../../src/main.cpp:21:0: ../../src/vchar64application.h:31:10: error: 'void VChar64Application::fileOpenRequest(const QString&)' is protected void fileOpenRequest(const QString& file); ^ ../../src/main.cpp:82:49: error: within this context QObject::connect(&app, &VChar64Application::fileOpenRequest, mainWin, &MainWindow::openFile); ^ ../../src/main.cpp:82:96: error: no matching function for call to 'QObject::connect(VChar64Application, void (VChar64Application::)(const QString&), MainWindow&, bool (MainWindow::)(const QString&))' QObject::connect(&app, &VChar64Application::fileOpenRequest, mainWin, &MainWindow::openFile); ^

... i am stuck here, since i am not into c++ at all :)

i would like to add support for the USB link provided by chameleon, using the chacolib provided here: https://svn.icomp.de/svn/chaco/chacolib/ ...

[ricardoquesada]

I don't have a gentoo to try it, but what Qt projects did you compile? were they Qt 5.x projects?

Did you try from QtCreator? If not, open the .pro file from QtCreator and compile from there.

[mrdudz]

I don't have a gentoo to try it, but what Qt projects did you compile? were they Qt 5.x projects?

basically entire KDE, and everything that comes with it (gentoo is a source based distro) no idea what kind of Qt these require - but the programs say 5.7.1 is what they use

Did you try from QtCreator?

that gives the same errors

[ricardoquesada]

sorry... no idea then :( I compiled it in an Ubuntu 17.04 without problems with Qt 5.7.1 g++ 6.3.0

As a last resort, try to download and install Qt from the Qt page: https://info.qt.io/download-qt-for-application-development

That's what I'm using in Ubuntu since the one shipped with it is not updated.

[mrdudz]

Am Samstag, 30. September 2017, 05:11:22 CEST schrieb Ricardo Quesada:

sorry... no idea then :( I compiled it in an Ubuntu 17.04 without problems with Qt 5.7.1 g++ 6.3.0

As a last resort, try to download and install Qt from the Qt page: https://info.qt.io/download-qt-for-application-development

That's what I'm using in Ubuntu since the one shipped with it is not updated.

i'd rather not install things like that from source into my system, it might break a lot of things :)

however, i doubt its a Qt issue - looks more like a c++ incompatibility, gentoo is still on gcc 5.4

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[popmilo]

Trying to build project on Arch Linux, same error from terminal and Qtcreator. Same error using QTcreator from repos and standalone qtcreator downloaded from qt website: /home/xxx/dev/vchar64/src/state.cpp:93: error: base class ‘class QObject’ should be explicitly initialized in the copy constructor [-Werror=extra] State::State(const State &copyFromMe) ^~~~~

Any ideas ?

[mrdudz]

i can build it now, i guess its really about updating GCC

[ricardoquesada]

@popmilo you are triggering this bug: https://gitlab.com/ricardoquesada/vchar64/issues/54

will get fixed in the next release.

[ricardoquesada]

fixed comment by @popmilo https://gitlab.com/ricardoquesada/vchar64/commit/46dea7fec3fc330a6ae8701f9be0d82381ad8ecf

closing ticket. if there are still build issues, please re-open this ticket, or better yet, open a new one.