qt: add optional postgresql support.

Closes #32397.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
Xcode 6.0.1

Closes #32394.
Disable outdated Xcode doctor checks until the bots are updated
pox: general cleanup.

Closes #32399.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
ngspice: pass X build flags explicitly

ngspice's configure needs --without-x to stop trying to link to X
libraries, but also needs --with-x to actually include X support.

Closes #32403.
Rewrite debugger to remove monkeypatches and use of call/cc
Remove workaround for old debugger
Implement `brew test --debug`
Fix exiting the debugger menu with CTRL-D
rubber: remove missing patch

Closes #32376.
bibtool 2.57

Closes #32404.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
bib-tool: remove unnecessary autoreconf
Delay requiring irb until runtime

Fixes #32410.
Remove debugging code again
Remove fails_with? from the formula instance
Move Compiler struct into CompilerSelector namespace
Replace CompilerQueue with predetermined priority lists
Make --cc override the compiler selector
Call reset in the superclass implementation of setup_build_environment
Update brew-test-bot for compiler selection changes