./configure --help - report all configure options
./configure --prefix=[dir] - target install directory (default: /usr/local)
+ ./configure --disable-debug - turn off debugging
+ ./configure --disable-mmx - turn off MMX usage
+ ./configure --cpu='cpu' - tune build for a specific cpu
./configure --disable-[mod] - do not compile specified module(s)
./configure --[other] - pass through to children