[Qt-interest] Building 32-bit libs/apps on 64-bit host?

[Richard Danter]

Hi all,

I have recently switched from an Ubuntu 32-bit to 64-bit host. I am
trying to build a library and some applications using qmake/make which
build upon another library which is available only in 32-bit. No
problems on the 32-bit host but of course I get a failure on the
64-bit host.

I assume the Qt libs installed on my host are all 64-bit only.

Is there a way to work in this mixed environment? Ideally I would like
my library to be 32-bit (since it extends a 32-bit library) but for
the applications to be 32- or 64-bit depending on the host but I could
live with everything being 32-bit if needed provided I can still use
the 64-bit Qt libs.

If this is possible what should I put in the qmake file to achieve
this? If there is a good doc somewhere could you send a link?

Thanks
Rich