Previously, the git port would fail in various ways because it uses an
uname detection mechanism to update the configurations, and Makefile
would receive incorrect configurations from the host system. This makes
sure the build uses the correct configurations detected by ./configure.
Fixes#9357.
No idea how this is supposed to work, because git's buildscripts execute
'uname -S' to determine which functions are available - and that's not how
cross-compilation works.
There are various issues with this port that need to be fixed, but it's
at least possible to inspect and modify the SerenityOS repo if I clone
it into the disk image from the outside.
Very cool! :^)
