[odb-users] QT config

[Alex B]

actually it worked when i added the full path for the QString

#include <QtCore/QString>

which is not required on the Qt side. thx

On Thu, Nov 9, 2023 at 12:36 PM Alex B <intord at gmail.com> wrote:

> ok here is what i got:
>
> admin at gentoo ~/QTProjects/odb-qt $ odb -I/usr/include/qt5 --std c++11
> --profile qt -d sqlite \
> --generate-query property.h
> In file included from /usr/include/qt5/QtCore/qchar.h:43,
>                  from /usr/include/qt5/QtCore/qstring.h:49,
>                  from /usr/include/qt5/QtCore/QString:1,
>                  from
> /usr/local/include/odb/qt/basic/sqlite/default-mapping.hxx:7,
>                  from <odb-prologue-2>:1:
> /usr/include/qt5/QtCore/qglobal.h:1289:4: error: #error "You must build
> your code with position independent code if Qt was built with
> -reduce-relocations. " "Compile your code with -fPIC (and not with -fPIE)."
>  1289 | #  error "You must build your code with position independent code
> if Qt was built with -reduce-relocations. "\
>       |    ^~~~~
> property.h:4:10: fatal error: QString: No such file or directory
>     4 | #include <QString>
>       |          ^~~~~~~~~
> compilation terminated.
> admin at gentoo ~/QTProjects/odb-qt $ odb -I/usr/include/qt5 --std c++11
> --profile qt -d sqlite --generate-query property.h
> In file included from /usr/include/qt5/QtCore/qchar.h:43,
>                  from /usr/include/qt5/QtCore/qstring.h:49,
>                  from /usr/include/qt5/QtCore/QString:1,
>                  from
> /usr/local/include/odb/qt/basic/sqlite/default-mapping.hxx:7,
>                  from <odb-prologue-2>:1:
> /usr/include/qt5/QtCore/qglobal.h:1289:4: error: #error "You must build
> your code with position independent code if Qt was built with
> -reduce-relocations. " "Compile your code with -fPIC (and not with -fPIE)."
>  1289 | #  error "You must build your code with position independent code
> if Qt was built with -reduce-relocations. "\
>       |    ^~~~~
> property.h:4:10: fatal error: QString: No such file or directory
>     4 | #include <QString>
>       |          ^~~~~~~~~
> compilation terminated.
> admin at gentoo ~/QTProjects/odb-qt $ odb -I/usr/include/qt5 -fPIC --std
> c++11 --profile qt -d sqlite --generate-query property.h
> unknown option '-f'
> admin at gentoo ~/QTProjects/odb-qt $
>
> so i found your answer here:
> https://odb-users.codesynthesis.narkive.com/dSmA1FfR/problem-compiling-with-qt
> and tried, but still get the same error:
>
> admin at gentoo ~/QTProjects/odb-qt $ odb -I/usr/include/qt5 -x -fPIC --std
> c++11 --profile qt -d sqlite --generate-query property.h
> property.h:4:10: fatal error: QString: No such file or directory
>     4 | #include <QString>
>       |          ^~~~~~~~~
> compilation terminated.
> admin at gentoo ~/QTProjects/odb-qt $
> admin at gentoo ~/QTProjects/odb-qt $ odb  -x -fPIC -I/usr/include/qt5 --std
> c++11 --profile qt -d sqlite --generate-query property.h
> property.h:4:10: fatal error: QString: No such file or directory
>     4 | #include <QString>
>       |          ^~~~~~~~~
> compilation terminated.
>
> seems like it still should be added soomewhere in the odb makefile like
> suggested here:
>
> https://stackoverflow.com/questions/15978608/qt-compile-your-code-with-fpic-or-fpie
>
>
>
> On Thu, Nov 9, 2023 at 7:54 AM Boris Kolpackov <boris at codesynthesis.com>
> wrote:
>
>> Alex B <intord at gmail.com> writes:
>>
>> > Basically, odb compiler cannot find the correct path to the QtCore
>> > folder, which I added to the $PATH etc, but no luck. I do not see
>> > any param for the odb compiler to specify that as well.
>> >
>> > admin at gentoo ~/QTProjects/odb-qt $ echo $PATH
>> > [...]:/usr/include/qt5:/usr/lib64/qt5
>> > admin at gentoo ~/QTProjects/odb-qt $ odb --std c++11 --profile qt -d
>> sqlite
>> > --generate-query property.h
>>
>> PATH is not the right place to add the header (/usr/include/qt5) and
>> library (/usr/lib64/qt5) search paths. Try to add -I/usr/include/qt5
>> to the ODB command line:
>>
>> odb -I/usr/include/qt5 --std c++11 --profile qt -d sqlite \
>> --generate-query property.h
>>
>