"make buildworld" fails

	On a system running:

 FreeBSD 10.0-CURRENT #0 r248938: Sun Mar 31 06:24:42 EDT 2013 amd64

	with the source tree updated every night, "make buildworld"
has failed for about the past week with:

cc -O -pipe -g -DNO_PWD_OVERRIDE -I/usr/src/usr.bin/bmake  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -DHAVE_CONFIG_H  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -D_PATH_DEFSYSPATH=\".../share/mk:/usr/share/mk\" -I. -I/usr/src/contrib/bmake  -DMAKE_NATIVE  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion  -c /usr/src/contrib/bmake/lst.lib/lstPrev.c
cc -O -pipe -g -DNO_PWD_OVERRIDE -I/usr/src/usr.bin/bmake  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -DHAVE_CONFIG_H  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -D_PATH_DEFSYSPATH=\".../share/mk:/usr/share/mk\" -I. -I/usr/src/contrib/bmake  -DMAKE_NATIVE  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion  -c /usr/src/contrib/bmake/lst.lib/lstRemove.c
cc -O -pipe -g -DNO_PWD_OVERRIDE -I/usr/src/usr.bin/bmake  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -DHAVE_CONFIG_H  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -D_PATH_DEFSYSPATH=\".../share/mk:/usr/share/mk\" -I. -I/usr/src/contrib/bmake  -DMAKE_NATIVE  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion  -c /usr/src/contrib/bmake/lst.lib/lstReplace.c
cc -O -pipe -g -DNO_PWD_OVERRIDE -I/usr/src/usr.bin/bmake  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -DHAVE_CONFIG_H  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -D_PATH_DEFSYSPATH=\".../share/mk:/usr/share/mk\" -I. -I/usr/src/contrib/bmake  -DMAKE_NATIVE  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion  -c /usr/src/contrib/bmake/lst.lib/lstSucc.c
cc -O -pipe -g -DNO_PWD_OVERRIDE -I/usr/src/usr.bin/bmake  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -DHAVE_CONFIG_H  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -D_PATH_DEFSYSPATH=\".../share/mk:/usr/share/mk\" -I. -I/usr/src/contrib/bmake  -DMAKE_NATIVE  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion  -c /usr/src/contrib/bmake/stresep.c
cc -O -pipe -g -DNO_PWD_OVERRIDE -I/usr/src/usr.bin/bmake  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -DHAVE_CONFIG_H  -DUSE_META -DMAKE_NATIVE -DHAVE_CONFIG_H -D_PATH_DEFSYSPATH=\".../share/mk:/usr/share/mk\" -I. -I/usr/src/contrib/bmake  -DMAKE_NATIVE  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-conversion   -static -o make arch.o buf.o compat.o cond.o dir.o for.o hash.o job.o main.o make.o make_malloc.o meta.o parse.o str.o strlist.o suff.o targ.o trace.o util.o var.o lstAppend.o lstAtEnd.o lstAtFront.o lstClose.o lstConcat.o lstDatum.o lstDeQueue.o lstDestroy.o lstDupl.o lstEnQueue.o lstFind.o lstFindFrom.o lstFirst.o lstForEach.o lstForEachFrom.o lstInit.o lstInsert.o lstIsAtEnd.o lstIsEmpty.o lstLast.o lstMember.o lstNext.o lstOpen.o lstPrev.o lstRemove.o lstReplace.o lstSucc.o stresep.o 
sh /usr/src/tools/install.sh  -o root -g wheel -m 555   make /usr/obj/usr/src/make.amd64/make
usage: make [-BeikNnqrstWX] 
            [-C directory] [-D variable] [-d flags] [-f makefile]
            [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]
            [-V variable] [variable=value] [target ...]
*** [buildworld] Error code 2

Stop in /usr/src.


	I don't see anything in src/UPDATING, and don't remember
anything on this list or questions@.
	make,conf is appended; there is no src.conf

	What have I borked?

	Respectfully,


				Robert Huff

   make.conf

CFLAGS=			-O -pipe -g 
STRIP= 
SYMVER_ENABLED=	yes
X_WINDOW_SYSTEM=	xorg
HAVE_MOTIF=		yes

#FC="gfortran42"

KERNCONF=JERUSALEM

# To avoid building various parts of the base system:
#	(copied from /usr/share/examples/etc/make.conf

NO_BIND_ETC=       true    # Do not install files to /etc/namedb
NO_BLUETOOTH=  true    # do not build Bluetooth related stuff
NO_PROFILE=     true    # Avoid compiling profiled libraries

#	to get automatic SASL in sendmail

SENDMAIL_CFLAGS+=	-I/usr/local/include/ -DSASL=2
SENDMAIL_LDFLAGS+=	-L/usr/local/lib
SENDMAIL_LDADD+=	-lsasl2

#
#	to make CUPS magically keep working
#	See: http://www.csua.berkeley.edu/~ranga/notes/freebsd_cups.html

#

CUPS_OVERWRITE_BASE=	yes
NO_LPR=				true

#	added per /usr/ports/UPDATING entry 20090401

OVERRIDE_LINUX_BASE_PORT=f10
OVERRIDE_LINUX_NONBASE_PORTS=f10

#

WITH_MOZILLA=			libxul
WITH_GECKO=			libxul

#
# added 2007/03/04 per advice of <freebsd_at_troback.com> 
#	in re science/gramps
#

WITH_BERKELEYDB=db43
WITH_BDB_VER=43
WANT_OPENLDAP_VER=24
WANT_OPENLDAP_SASL=true

#
#  as required by ports/UPDATING of 20121012
#

SAMBA_ENABLE=YES

#
# PORTS: use clang unless gcc is explicitly required
#

#
# default to using clang for all port builds, with the following
# exceptions

# ports which will only build with the base system GNU compiler (4.2)
#
# the "make index" target also seems to need this, for some reason

.if target(index) | \
${.CURDIR:M*/devel/antlr*} | \
${.CURDIR:M*/devel/google-perftools* } | \
${.CURDIR:M*/graphics/ImageMagick* } | \
${.CURDIR:M*/graphics/opencv*} | \
${.CURDIR:M*/x11/kdelibs4*} | \
USE_GCC?=4.2
.endif

# ports which need *some* version of the GNU compiler (won't build with
# clang or have runtime issues if built with clang)
# use the highest version of gcc we have installed from ports (4.6)

.if ${.CURDIR:M*/accessibility/jovie*} | \
${.CURDIR:M*/accessibility/kdeaccessibility4*} | \
${.CURDIR:M*/audio/grip*} | \
${.CURDIR:M*/audio/mpg123*} | \
${.CURDIR:M*/audio/rosegarden*} | \
${.CURDIR:M*/databases/virtuoso*} | \
${.CURDIR:M*/deskutils/kdepimlibs4*} | \
${.CURDIR:M*/devel/apache-ant*} | \
${.CURDIR:M*/devel/icu*} | \
${.CURDIR:M*/devel/kdevelop-kde4*} | \
${.CURDIR:M*/devel/kdevplatform*} | \
${.CURDIR:M*/devel/log4j*} | \
${.CURDIR:M*/games/kdegames4*} | \
${.CURDIR:M*/graphics/tonicpoint-viewer*} | \
${.CURDIR:M*/java/* } | \
${.CURDIR:M*/lang/gcc* } | \
${.CURDIR:M*/math/fftw3*} | \
${.CURDIR:M*/multimedia/avidemux2*} | \
${.CURDIR:M*/multimedia/kdemultimedia4*} | \
${.CURDIR:M*/multimedia/vlc*} | \
${.CURDIR:M*/multimedia/xbmc*} | \
${.CURDIR:M*/net/kdenetwork4*} | \
${.CURDIR:M*/net/mpich2*} | \
${.CURDIR:M*/net/opal3*} | \
${.CURDIR:M*/net-p2p/ktorrent*} | \
${.CURDIR:M*/net-p2p/vuze*} | \
${.CURDIR:M*/sysutils/lsof*} | \
${.CURDIR:M*/textproc/docbook-xsl*} | \
${.CURDIR:M*/textproc/fop*} | \
${.CURDIR:M*/www/libxul*} | \
${.CURDIR:M*/x11/kde4-baseapps*} | \
${.CURDIR:M*/x11/kde4-workspace*} | \
${.CURDIR:M*/x11/lxpanel*} | \
USE_GCC?=4.6+
.endif

.if ${.CURDIR:M*/usr/ports/*}
.if !defined(USE_GCC)
.if !defined(CC) || ${CC} == "cc"
CC=clang
.endif
.if !defined(CXX) || ${CXX} == "c++"
CXX=clang++
.endif
.if !defined(CPP) || ${CPP} == "cpp"
CPP=clang-cpp
.endif
.endif
.endif


WITH_NEW_XORG=yes

WITH_BSD_SORT=

WITH_PKGNG=yes

# added by use.perl 2013-05-28 10:32:02
PERL_VERSION=5.16.2