Don't change perms on pip and easy_install executables

Fixes #20922.
Revert "python & python3: Don't tell how to upgrade pip"

This reverts commit 955b8fa58c69b1060b83a383ddb14392bee806be.
haxe 3.0.0

Closes #20399.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
superenv: also filter out -mcpu=

On PPC, -mcpu is the preferred equivalent to -march.
Redact PIL

PIL hasn't been updated in 3+ years, and currently doesn't work right;
see https://github.com/mxcl/homebrew/issues/22135

Closes #22135.
InspIRCd 2.0.14

Closes #22184.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
swatchbooker: prefer pillow from pip

We've removed our PIL formula, and pillow is apparently more modern.
Allow building bottles with custom architectures

This allows overriding the "oldest CPU" behaviour - for instance, to
build Intel bottles for a newer CPU than Core 2, to build a PPC bottle
with or without Altivec on the same computer, etc.
Check for valid --bottle-arch= when building
More tweaks for llvm.

* Port more changes from llvm formulae of homebrew-versions.
  - Don't install Clang tools.
* Remove all man pages.
  - Currently only clang.1 is available, and we don't ship clang binary
    in core.
couchdb 1.4.0

Closes #22194.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
pdf2image: remove env :std
Note conflicts among pdf2image, poppler, and xpdf
sbcl 1.1.11

Closes #22198.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
sbcl 1.1.11 bottles
Allow conflicts_with to accept multiple formula names

Closes #22202.
De-duplicate conflicts for mysql and friends
Add reasons for pdf2image, poppler, and xpdf conflicts
superenv: fix no-op system path filtering
cairo 1.12.16