emacs: devel spec targeting the emacs-24 branch

Closes #35278.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
emacs: style nit
brew-config: always show XCode/CLT state

Closes #33860.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Always dump full configuration
Log build environment on failure
Use block-form of File.open
oniguruma 5.9.6

Closes #35376.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
oniguruma: style updates
oniguruma: add 5.9.6 bottle.
freetype 2.5.5

Closes #35377.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
freetype: style updates
freetype: update 2.5.5 bottle.
ffmpeg: fix audit warning

Also move the conditional into the method so that it is evaluated at
call time instead of load time.