libexec/ld-elf.so.1: /lib/libc.so.7: version FBSD_1.0 required by ./gengtype not defined

Hi list,

  I installed one with -CURRENT using the following 200704-ZFS snapshot.
  After csup the sources, trying to update the buildworld stops with the
following error:


cc -O2 -fno-strict-aliasing -pipe  -I. -DIN_GCC -DHAVE_CONFIG_H
-DPREFIX=\"/usr\" -I/usr/obj/usr/src/gnu/usr.bin/cc/cc_tools/../cc_tools
-I/usr/src/gnu/usr.bin/cc/cc_tools/../cc_tools
-I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc
-I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcc/config
-I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/include
-I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/libcpp/include
-I/usr/src/gnu/usr.bin/cc/cc_tools/../../../../contrib/gcclibs/libdecnumber
-g -DGENERATOR_FILE -DHAVE_CONFIG_H   -o gengtype
gengtype.ogengtype-yacc+%DIKED.o
gengtype-lex.o errors.o libiberty.a
./gengtype
/libexec/ld-elf.so.1: /lib/libc.so.7: version FBSD_1.0 required by
./gengtype not defined
*** Error code 1

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

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

Stop in /usr/src.


Any hints ?!

Regards,