Xen 42 issue

[Phipo NEO <phipo.research%free.fr@localhost>]

Hi,
I've quad core xeon with 8 threads, i've installed NetBSD 7.0 also i use 
XFCE4.
When i compile xenkernel42 i've no error !
but when i compile xentools42 i've issue !
this is my output
++++++++++++++++++++++++++++++++++++++++++++++

                    ^
/usr/pkgsrc/sysutils/xentools42/work/xen-4.2.5/tools/qemu-xen/rules.mak:18: 
recipe for target 'op_helper.o' failed
gmake[3]: *** [op_helper.o] Error 1
gmake[3]: Leaving directory 
'/usr/pkgsrc/sysutils/xentools42/work/xen-4.2.5/tools/qemu-xen-dir/i386-softmmu'
Makefile:89: recipe for target 'subdir-i386-softmmu' failed
gmake[2]: *** [subdir-i386-softmmu] Error 2
gmake[2]: Leaving directory 
'/usr/pkgsrc/sysutils/xentools42/work/xen-4.2.5/tools/qemu-xen-dir'
Makefile:185: recipe for target 'subdir-all-qemu-xen-dir' failed
gmake[1]: *** [subdir-all-qemu-xen-dir] Error 2
gmake[1]: Leaving directory 
'/usr/pkgsrc/sysutils/xentools42/work/xen-4.2.5/tools'
/usr/pkgsrc/sysutils/xentools42/work/xen-4.2.5/tools/../tools/Rules.mk:104: 
recipe for target 'subdirs-all' failed
gmake: *** [subdirs-all] Error 2
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/sysutils/xentools42
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/sysutils/xentools42
dct-petrole#
++++++++++++++++++++++++++++++++++++++++++++++++++++++++


when i do a make reinstall before i do make clean-depends clean

I don't understand " subdirs-all"

How can i get around this issue ?

Regards
Phipo