1 The linux directory contains a config.h generated from a run of configure on 2 Ubuntu 10.04.1 LTS x86_64, with VCDIFF_USE_BLOCK_COMPARE_WORDS manually 3 changed to match the $host_cpu test in configure. 4 5 The mac directory contains a config.h generated from a run of configure on a 6 Mac, with VCDIFF_USE_BLOCK_COMPARE_WORDS manually changed to match the 7 $host_cpu test in configure. 8