When I try to bulld audio/nas, I get this error message:

[..]
=> Replacing Perl interpreter in clients/audio/auscope/auscope.
mv -f Makefile Makefile.bak
imake -DUseInstalled -I/usr/pkg/lib/X11/config -I/usr/pkg/xorg/lib/X11/config
In file included from /usr/pkg/lib/X11/config/host.def:1,
                 from /usr/pkg/xorg/lib/X11/config/site.def:146,
                 from /usr/pkg/xorg/lib/X11/config/Imake.tmpl:115,
                 from Imakefile.c:17:
/usr/pkg/lib/X11/config/xpkgwedge.def:92: warning: "ExtraLoadFlags" redefined
In file included from /usr/pkg/xorg/lib/X11/config/Imake.tmpl:109,
                 from Imakefile.c:17:
/usr/pkg/xorg/lib/X11/config/DragonFly.cf:171: warning: this is the location 
of the previous definition
make Makefiles
making Makefiles in include...
/usr/pkg_bulk/bin/bmake: not found
/usr/pkg_bulk/bin/bmake: not found
making Makefiles in server...
/usr/pkg_bulk/bin/bmake: not found
/usr/pkg_bulk/bin/bmake: not found
making Makefiles in lib...
/usr/pkg_bulk/bin/bmake: not found
/usr/pkg_bulk/bin/bmake: not found
making Makefiles in clients...
/usr/pkg_bulk/bin/bmake: not found
/usr/pkg_bulk/bin/bmake: not found
making Makefiles in doc...
/usr/pkg_bulk/bin/bmake: not found
/usr/pkg_bulk/bin/bmake: not found
making Makefiles in config...
/usr/pkg_bulk/bin/bmake: not found
/usr/pkg_bulk/bin/bmake: not found
make includes
including in ./include...
/usr/pkg_bulk/bin/bmake: not found
including in ./server...
/usr/pkg_bulk/bin/bmake: not found
including in ./lib...
/usr/pkg_bulk/bin/bmake: not found
including in ./clients...
/usr/pkg_bulk/bin/bmake: not found
including in ./doc...
/usr/pkg_bulk/bin/bmake: not found
including in ./config...
/usr/pkg_bulk/bin/bmake: not found
*** Error code 127

Stop.
bmake: stopped in /usr/pkgsrc/audio/nas/work/nas-1.8

Thomas