sip: remove bottle.

Closes #27625.
tracebox v0.2

Use git-base (tag) sources instead of the automatically generated tar.gz
to avoid sha issues.

Signed-off-by: Gregory Detal <gregory.detal@uclouvain.be>
tracebox: add 0.2 bottle.

Closes #27548.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
tracebox: don't recommend setuid.
pyqt: remove bottle.

References #27623.
Force OCaml to not use -fno-defer-pop

See http://caml.inria.fr/mantis/view.php?id=6346
objective-caml: update 4.01.0 bottle.