pgj-freebsd-amd64-stable (amd64 FreeBSD STABLE), build 883, Failure

[Builder]

pgj-freebsd-amd64-stable (amd64 FreeBSD STABLE), build 883

Build failed
Details: http://darcs.haskell.org/ghcBuilder/builders/pgj-freebsd-amd64-stable/883.html

git clone                  | Success
create mk/build.mk         | Success
get subrepos               | Success
repo versions              | Success
touching clean-check files | Success
setting version date       | Success
booting                    | Success
configuring                | Failure: Just (ExitFailure 1)

Build failed
Details: http://darcs.haskell.org/ghcBuilder/builders/pgj-freebsd-amd64-stable/883.html

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checking for nm... /usr/bin/nm
checking for llc... no
checking for opt... no
checking whether #! works in shell scripts... yes
checking for perl... /usr/bin/perl
checking if your perl works in shell scripts... yes
checking for python... /usr/local/bin/python
checking for gcc... /usr/bin/gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /usr/bin/gcc accepts -g... yes
checking for /usr/bin/gcc option to accept ISO C89... none needed
checking version of gcc... 4.2.1
checking whether C compiler has an LLVM back end... no
checking whether ld understands --hash-size=31... 
checking whether ld understands --reduce-memory-overheads... 
checking Setting up CFLAGS, LDFLAGS, IGNORE_LINKER_LD_FLAGS and CPPFLAGS... done
checking Setting up CONF_CC_OPTS_STAGE0, CONF_GCC_LINKER_OPTS_STAGE0, CONF_LD_LINKER_OPTS_STAGE0 and CONF_CPP_OPTS_STAGE0... done
checking Setting up CONF_CC_OPTS_STAGE1, CONF_GCC_LINKER_OPTS_STAGE1, CONF_LD_LINKER_OPTS_STAGE1 and CONF_CPP_OPTS_STAGE1... done
checking Setting up CONF_CC_OPTS_STAGE2, CONF_GCC_LINKER_OPTS_STAGE2, CONF_LD_LINKER_OPTS_STAGE2 and CONF_CPP_OPTS_STAGE2... done
checking for extra options to pass gcc when compiling via C...  -fwrapv
checking how to run the C preprocessor... /usr/bin/gcc -E
checking for .subsections_via_symbols... no
checking whether your assembler supports .ident directive... yes
checking for GNU non-executable stack support... yes
Unknown vendor portbld