Mikaels-MacBook-Pro:MacOS skaramicke$ brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry and just ignore them. Thanks!

Warning: "config" scripts exist outside your system or Homebrew directories.
`./configure` scripts often look for *-config scripts to determine if
software packages are installed, and what additional flags to use when
compiling and linking.

Having additional scripts in your path can confuse software installed via
Homebrew if the config script overrides a system or Homebrew provided
script of the same name. We found the following "config" scripts:
    /opt/local/bin/cppunit-config
    /opt/local/bin/curl-config
    /opt/local/bin/freetype-config
    /opt/local/bin/gdlib-config
    /opt/local/bin/gsl-config
    /opt/local/bin/gts-config
    /opt/local/bin/icu-config
    /opt/local/bin/libpng-config
    /opt/local/bin/libpng16-config
    /opt/local/bin/log4cpp-config
    /opt/local/bin/ncurses6-config
    /opt/local/bin/ncursesw6-config
    /opt/local/bin/netpbm-config
    /opt/local/bin/pcre-config
    /opt/local/bin/pkg-config
    /opt/local/bin/python2.7-config
    /opt/local/bin/sdl-config
    /opt/local/bin/xml2-config
    /opt/local/bin/xslt-config

Warning: You have MacPorts or Fink installed:
  /opt/local/bin/port

This can cause trouble. You don't have to uninstall them, but you may want to
temporarily move them out of the way, e.g.

  sudo mv /opt/local ~/macports

Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected dylibs:
    /usr/local/lib/libboost_atomic.dylib
    /usr/local/lib/libboost_context.dylib
    /usr/local/lib/libboost_locale.dylib
    /usr/local/lib/libboost_python.dylib
    /usr/local/lib/libboost_thread.dylib
    /usr/local/lib/libosxfuse.2.dylib
    /usr/local/lib/libosxfuse.dylib
    /usr/local/lib/libosxfuse_i32.dylib
    /usr/local/lib/libosxfuse_i64.dylib

Warning: Unbrewed .la files were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected .la files:
    /usr/local/lib/libosxfuse.la

Warning: Unbrewed static libraries were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected static libraries:
    /usr/local/lib/libboost_atomic.a
    /usr/local/lib/libboost_context.a
    /usr/local/lib/libboost_locale.a
    /usr/local/lib/libboost_python.a
    /usr/local/lib/libboost_thread.a

Warning: You have uncommitted modifications to Homebrew
If this is a surprise to you, then you should stash these modifications.
Stashing returns Homebrew to a pristine state but can be undone
should you later need to do so for some reason.
    cd /usr/local/Library && git stash && git clean -d -f

Warning: Homebrew's sbin was not found in your PATH but you have installed
formulae that put executables in /usr/local/sbin.
Consider setting the PATH for example like so
    echo 'export PATH="/usr/local/sbin:$PATH"' >> ~/.bash_profile

Warning: You have a non-Homebrew 'pkg-config' in your PATH:
  /opt/local/bin/pkg-config

`./configure` may have problems finding brew-installed packages using
this other pkg-config.

Warning: Your Homebrew is outdated.
You haven't updated for at least 24 hours. This is a long time in brewland!
To update Homebrew, run `brew update`.
Mikaels-MacBook-Pro:MacOS skaramicke$