[Interest] How do I use qextserialport as a library?

Constantin Makshin cmakshin at gmail.com
Sun Mar 18 19:37:22 CET 2012


Replace
LIBS += /usr/lib/libqextserialport.so
with
LIBS += qextserialport
On Mar 18, 2012 8:52 PM, "Robert Wood" <robert.wood at apostrophe.co.uk> wrote:

> \Folks,
>
> I've used qextserialport many times, but always included the source code
> in the my project. However, the it says it's better to use it as a
> library and it would be nice not to include all those source files each
> time.
>
> However, I can't work out how to do this.
>
> I've downloaded the source, gone into the buildlib directory, done qmake
> and make (as root) after uncommenting QEXTSERIALPORT_LIBRARY = yes.
>
> I get thie following in /usr/lib
>
> -rwxr-xr-x 1 root root 456104 Oct  9 21:19 libqextserialport.so*
> -rwxr-xr-x 1 root root 456104 Oct  9 21:19 libqextserialport.so.1*
> -rwxr-xr-x 1 root root 456104 Oct  9 21:19 libqextserialport.so.1.2*
> -rwxr-xr-x 1 root root 456104 Oct  9 21:19 libqextserialport.so.1.2.0*
>
> I've put this in the .pro file:
>
> LIBS  += /usr/lib/libqextserialport.so
>
> Tried all sorts with #include and to be on the safe side:
>
> #include "/home/robertw/Software/qextserialport/src/qextserialport.h"
> where the include file definitely is.
>
>
> When I try to compile I get:
>
> /home/robertw/Software/Qt4/ltc1760-build-desktop/../ltc1760/ltc1760.cpp:66:
> error: undefined reference to `QextSerialPort::QextSerialPort(QString
> const&, QextSerialPort::QueryMode, QObject*)'
>
>
> For this line:
>
>         vcp = new QextSerialPort(s);
>
> This is exactly how I open a port when I include the source, so this
> line is not wrong (s is a string of its name).
>
> Would someone be able to advise what I'm doing wrong please?
>
> Thanks! :~)
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