Use -O not -O3: reduces ccan/tdb test time from 24 to 18 seconds.
[ccan] / ccan / ogg_to_pcm /
drwxr-xr-x   ..
-rw-r--r-- 920 _info
-rw-r--r-- 3375 ogg_to_pcm.c
-rw-r--r-- 1041 ogg_to_pcm.h