When you make php from source.
To see if it actualy is fully functional and has all of the bugs resolved.
.configure<---setup compiler and distro
make<--compiles according to configure
make tests<---checks validity of build
make install <-- installs
Just looked the version in that distro is compiled for raspberry pi
so no it has the math flaw
Cortex 6 and 8 verses cortex a7L.
Thanks for the link.