math/R broken (NetBSD 5.99.42)

Hi.

On NetBSD amd64/5.99.42 math/R compiles and installs fine but:

$ R

R version 2.11.1 (2010-05-31)

...

> x11()
Error in x11() : X11 module cannot be loaded
In addition: Warning message:
In x11() :
  unable to load shared library '/usr/pkg/lib/R/modules//R_X11.so':
  Cannot dlopen non-loadable /usr/lib/libpthread.so.1

...

Error in function (display = "", width, height, pointsize, gamma, bg,  : 
  X11 module cannot be loaded
In addition: Warning message:
In function (display = "", width, height, pointsize, gamma, bg,  :
  unable to load shared library '/usr/pkg/lib/R/modules//R_X11.so':
  Cannot dlopen non-loadable /usr/lib/libpthread.so.1

 -Jukka.