opam 1.1.0

Closes #24086.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Fix Apache download strategy in verbose mode

A better fix would be to rewrite the curl method to yield its output,
but I don't feel like doing that right now.
info: fix on non-tty terminals.

References #18922.
Closes #24188.
Closes #24190.
gdk-pixbuf 2.30.1
Remove outdated comment
Group public ENV methods together
Extract archflags method from cflags method
Extract optflags method from cflags method
Add ENV.O0 to stdenv
Simplify ENV.0x methods in stdenv
Allow changing the optimization level under superenv
clisp: enable superenv
pdnsrec: enable superenv
Better documentation for no-op superenv methods