On Sat, 2005-11-26 at 10:39 +0100, Ronald van der Pol wrote:
> x11/gtk2 is broken on NetBSD 3.99.10 i386:
> 
> [...]
> 
> gmake[4]: Entering directory `/usr/pkgsrc/x11/gtk2/work/gtk+-2.8.7/gdk-pixbuf'
> /bin/sh ../libtool --mode=link cc  -O2 -pthread -I/usr/pkg/include -I/usr/include -DGLX_GLXEXT_LEGACY -I/usr/pkg/include/freetype2 -I/usr/X11R6/include -Wall  -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib -L/usr/X11R6/lib -pthread -Wl,-R/usr/X11R6/lib -o gdk-pixbuf-query-loaders  queryloaders.o libgdk_pixbuf-2.0.la __PTHREAD_FLAGS__ 
> cc -O2 -pthread -I/usr/pkgsrc/x11/gtk2/work/.buildlink/include -DGLX_GLXEXT_LEGACY -I/usr/pkgsrc/x11/gtk2/work/.buildlink/include/freetype2 -I/usr/pkgsrc/x11/gtk2/work/.x11-buildlink/include -Wall -Wl,-R/usr/pkg/lib -pthread -Wl,-R/usr/X11R6/lib -o .libs/gdk-pixbuf-query-loaders queryloaders.o __PTHREAD_FLAGS__  -L/usr/pkgsrc/x11/gtk2/work/.buildlink/lib -L/usr/pkgsrc/x11/gtk2/work/.x11-buildlink/lib ./.libs/libgdk_pixbuf-2.0.so /usr/pkgsrc/x11/gtk2/work/.buildlink/lib/libgmodule-2.0.so /usr/pkgsrc/x11/gtk2/work/.buildlink/lib/libgobject-2.0.so /usr/pkgsrc/x11/gtk2/work/.buildlink/lib/libglib-2.0.so -lintl -lm -Wl,--rpath -Wl,/usr/pkg/lib -Wl,--rpath -Wl,/usr/pkgsrc/x11/gtk2/work/.buildlink/lib
> gcc: __PTHREAD_FLAGS__: No such file or directory

I built gtk2 yesterday and again just now and had no trouble,
so I would guess that you might have a problem with one of
the build tools, e.g. bmake, which has been updated multiple
times in the last week or so.  Just a guess, dunno for sure.