nightly build fails

[AN]

FreeBSD FBSD10 10.0-CURRENT FreeBSD 10.0-CURRENT #19 r240241: Sat Sep  8 
15:52:03 EDT 2012     root at FBSD10:/usr/obj/usr/src/sys/MYKERNEL  amd64

Built using base system clang (clang -v
FreeBSD clang version 3.2 (trunk 162107) 20120817
Target: x86_64-unknown-freebsd10.0)

error: error opening '.deps/jsanalyze.o.pp': Error opening output file 
'.deps/jsanalyze.o.pp'
7 warnings and 1 error generated.
gmake[3]: *** [jsanalyze.o] Error 1
error: error opening '.deps/jsarray.o.pp': Error opening output file 
'.deps/jsarray.o.pp'
error: error opening '.deps/jsapi.o.pp': Error opening output file 
'.deps/jsapi.o.pp'
7 warnings and 1 error generated.
7 warnings and 1 error generated.
gmake[3]: *** [jsarray.o] Error 1
gmake[3]: *** [jsapi.o] Error 1
gmake[3]: Leaving directory 
`/home/root/ff_nightly/work/mozilla-central-fdfaef738a00/js/src'
gmake[2]: *** [libs_tier_js] Error 2
gmake[2]: Leaving directory 
`/home/root/ff_nightly/work/mozilla-central-fdfaef738a00'
gmake[1]: *** [tier_js] Error 2
gmake[1]: Leaving directory 
`/home/root/ff_nightly/work/mozilla-central-fdfaef738a00'
gmake: *** [default] Error 2
*** [do-build] Error code 1


Log:

http://sebsauvage.net/paste/?09db54b53f03a5f8#MkAxaY0RtYxxFq44IpB4FP2QUh2MKMufPu4TEId3l1E=