How can I see the version of pkgsrc installed here?

It isn't a newer version and I have a question about it. If I update my o=
lder=20
pkgsrc to a newer version, is there any problem with programs currently=20
installed from the older tree?

On Tuesday 03 June 2003 10:29, you wrote:
> hi,
>
> On Wed, Jun 03, 2015 at 07:20:35AM +0000, Daniel Bolgheroni wrote:
> > =3D=3D=3D> Required package dialog-0.6z: NOT found
> > =3D=3D=3D> Verifying reinstall for ../../misc/dialog
> > =3D=3D=3D> Building for dialog-0.6z
> > cc -O2 -I/usr/pkg/include  -DLOCALE -DVERSION=3D\"0.6z\" -DHAVE_NCURS=
ES
> > -DHAVE_RC_FILE -DHAVE_GUAGE   -I/usr/pkg/include  -c -o checklist.o
> > checklist.c
> > In file included from checklist.c:23:
> > dialog.h:31: ncurses.h: No such file or directory
> > gmake: *** [checklist.o] Error 1
> > *** Error code 2
>
> this is already fixed in HEAD.  which pkgsrc tree do you use?
>
> regards,