make build & nfs fails

[lord latex <llx@swissonline.ch>]

when /usr/src and /usr/obj are nfs mounted make build failes. 
below you can see whats the nfs mounts and the error msg from 
the failed make build. what do i not see? 

thanks;


frigo# mount
/dev/wd0a on / type ffs (local)
/dev/wd0d on /tmp type ffs (local)
/dev/wd0e on /var type ffs (local)
/dev/wd0f on /usr type ffs (local)
frigi:/data/openBSD/3.0/src on /usr/src type nfs (v3, udp, timeo=100)
frigi:/data/openBSD/3.0/obj-frigo on /usr/obj type nfs (v3, udp, timeo=100)

frigi# make build
<SNIP>
In file included from /usr/src/gnu/usr.bin/binutils/gdb/../bfd/libbfd.c:23:
/usr/src/gnu/usr.bin/binutils/gdb/../bfd/sysdep.h:26: config.h: No such file 
or directory
In file included from /usr/src/gnu/usr.bin/binutils/gdb/../bfd/libbfd.c:23:
/usr/src/gnu/usr.bin/binutils/gdb/../bfd/sysdep.h:74: fopen-same.h: No such 
file or directory
/usr/src/gnu/usr.bin/binutils/gdb/../bfd/sysdep.h:105: filenames.h: No such 
file or directory
*** Error code 1

Stop in /usr/src/gnu/usr.bin/binutils/obj/gdb.
*** Error code 1

Stop in /usr/src/gnu/usr.bin/binutils/obj (line 1196 of Makefile).
*** Error code 1

Stop in /usr/src/gnu/usr.bin/binutils (line 46 of 
/usr/src/gnu/usr.bin/binutils/Makefile.bsd-wrapper).
*** Error code 1

Stop in /usr/src/gnu/usr.bin.
*** Error code 1




Stop in /usr/src/gnu.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src (line 103 of Makefile).