>>> Unpacking source...
>>> Unpacking boost_1_34_1.tar.bz2 to /home/leo/portage/portage/dev-libs/boost-1.34.1/work
>>> Source unpacked.
>>> Compiling source in /home/leo/portage/portage/dev-libs/boost-1.34.1/work/boost_1_34_1 ...
* Writing new user-config.jam
* Using the following options to build:
* release debug-symbols=none optimization=none --user-config=/home/leo/portage/portage/dev-libs/boost-1.34.1/work/boost_1_34_1/user-config.jam
* Building shared libraries
/usr/portage/dev-libs/boost/boost-1.34.1.ebuild: line 123: 18938 Segmentation fault bjam ${NUMJOBS} ${OPTIONS} threading=single,multi runtime-link=${linkoption} link=${linkoption} --prefix="${D}/usr" --layout=system
*
* ERROR: dev-libs/boost-1.34.1 failed.
* Call stack:
* ebuild.sh, line 1654: Called dyn_compile
* ebuild.sh, line 990: Called qa_call 'src_compile'
* ebuild.sh, line 44: Called src_compile
* boost-1.34.1.ebuild, line 131: Called die
*
* building boost failed
* If you need support, post the topmost build error, and the call stack if relevant.
* A complete build log is located at '/var/log/portage/dev-libs:boost-1.34.1:20070830-015704.log'.
*