Re: trying to use libpq in Ubuntu

On Tuesday 21 September 2010, Henri De Feraudy elucidated thus:
> Hello,
> I have developed an application in C++ under Qt in Windows XP, now I
> would like to port it to Ubuntu GNU/Linux.
> Choosing the libraries in Windows was a piece of cake: the bottom of
> my Qt qmake project file was
> win32 {
> LIBS += "C:\Progra~1\PostgreSQL\8.4\lib\libpq.lib"
> INCLUDEPATH += "C:\Progra~1\PostgreSQL\8.4\include"
> }
> linux-g++ {
> LIBS += /usr/lib/libpq.a
> INCLUDEPATH += /usr/include/postgresql
> }
>
> This works fine in Windows, but in Ubuntu there are more than a
> hundred undefined symbols, like references to ldap
> Does anyone have a sample project file or suggestions?

If you are using Qt, why not use the Qt database abstraction classes?
That will save you having to compile directly against the Pg libraries.

j

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