BINUTILS_DIR=binutils-2.16.1 GCC_DIR=gcc-4.0.0 GLIBC_DIR=glibc-2.2.5 LINUX_DIR=linux-2.6.15.4 GLIBCTHREADS_FILENAME=glibc-linuxthreads-2.2.5 EXTRA_TARGET_CFLAGS="-fno-unit-at-a-time"