How to build android-x86 on 32bit PC (8)

This time I tried using ccache, but it may not help much.

root@kinneko-T91MT:/media/x86backup/gb86# prebuilt/linux-x86/ccache/ccache -s
cache directory                     /root/.ccache
cache hit                            181
cache miss                          8325
called for link                      294
not a C/C++ file                     255
unsupported compiler option           41
files in cache                     13823
cache size                         878.8 Mbytes
max cache size                     976.6 Mbytes