Re: [stable build from source] Ubuntu 20.04 scintilla not found

[John W. Eaton]

On 6/8/20 8:42 PM, JuanPi wrote:
> Hi all,
>
> I've just updated to Ubunutu 20.04 and the configure script of the
> stable branch is failing to find qscintilla2-qt5. The error appears
> here:
>
> configure:71463: g++ -o conftest -fPIC -g -O2 -pthread -fopenmp -I/usr/include/x
> 86_64-linux-gnu/qt5/QtNetwork -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include
> /x86_64-linux-gnu/qt5/QtPrintSupport -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/
> include/x86_64-linux-gnu/qt5/QtHelp -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/i
> nclude/x86_64-linux-gnu/qt5/QtWidgets -I/usr/include/x86_64-linux-gnu/qt5 -I/usr
> /include/x86_64-linux-gnu/qt5/QtGui -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/i
> nclude/x86_64-linux-gnu/qt5/QtSql -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/inc
> lude/x86_64-linux-gnu/qt5/QtXml -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/inclu
> de/x86_64-linux-gnu/qt5/QtCore -I/usr/include/x86_64-linux-gnu/qt5 -fPIC -I/usr/
> include/suitesparse   conftest.cpp -lQt5Network -lQt5PrintSupport
> -lQt5Help -lQt5Widgets -lQt5Gui -lQt5Sql -lQt5Xml -lQt5Core
> -lqscintilla2-qt5 >&5
> /usr/bin/ld: cannot find -lQt5Network
> /usr/bin/ld: cannot find -lQt5PrintSupport
> /usr/bin/ld: cannot find -lQt5Help
> /usr/bin/ld: cannot find -lQt5Widgets
> /usr/bin/ld: cannot find -lQt5Gui
> /usr/bin/ld: cannot find -lQt5Sql
> /usr/bin/ld: cannot find -lQt5Xml
> /usr/bin/ld: cannot find -lQt5Core
> /usr/bin/ld: cannot find -lqscintilla2-qt5
> collect2: error: ld returned 1 exit status
>
> This is curious since it was compiling perfectly in 19.10, that is, my
> system had all dependencies. And still has, accroding to our wiki[1],
> and to apt (all those modeules are installed).
> All the include folders do exist.
>
> Anynone with the same issue?

What does

  dpkg -l '*qt*' | grep ^ii

show?  Do you have the -dev packages installed?  I have the following 
installed on my Debian system:

ii libqscintilla2-qt5-dev
ii libqt5opengl5-dev:amd64
ii qtbase5-dev:amd64
ii qtbase5-dev-tools
ii qtdeclarative5-dev-tools
ii qttools5-dev:amd64
ii qttools5-dev-tools
ii qtxmlpatterns5-dev-tools

jwe