Look for `ARCH_SIXTYFOUR` in both `config.h` and `m.h`.
Look for `ARCH_SIXTYFOUR` in both `config.h` and `m.h`.

dra27/jbuilder,rdavison/jbuilder,janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder,janestreet/jbuilder,rdavison/jbuilder,janestreet/jbuilder,janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder