Parece que eu fiz uma bagunça como o médico brew retorna um número de erros:
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: Broken symlinks were found. Remove them with 'brew prune':
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraKakuPro-W3
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraKakuPro-W6
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraKakuProN-W3
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraKakuProN-W6
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraKakuStd-W8
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraKakuStdN-W8
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraMaruPro-W4
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraMaruProN-W4
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraMinPro-W3
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraMinPro-W6
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraMinProN-W3
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraMinProN-W6
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraginoSansGB-W3
/usr/local/share/ghostscript/9.16/Resource/CIDFont/HiraginoSansGB-W6
/usr/local/share/ghostscript/9.16/Resource/CIDFont/YuMin-Demibold
/usr/local/share/ghostscript/9.16/Resource/CIDFont/YuMin-Medium
/usr/local/share/man/man1/bbdiff.1
/usr/local/share/man/man1/bbedit.1
/usr/local/share/man/man1/bbfind.1
Warning: Python is installed at /Library/Frameworks/Python.framework
Homebrew only supports building against the System-provided Python or a
brewed Python. In particular, Pythons installed to /Library can interfere
with other software installs.
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/libgcc_ext.10.4.dylib
/usr/local/lib/libgcc_ext.10.5.dylib
/usr/local/lib/libgcc_s.10.4.dylib
/usr/local/lib/libgcc_s.10.5.dylib
/usr/local/lib/libgcc_s_x86_64.1.dylib
/usr/local/lib/libgfortran.2.0.0.dylib
/usr/local/lib/libgfortran.3.dylib
/usr/local/lib/libgomp.1.dylib
/usr/local/lib/libquadmath.0.dylib
/usr/local/lib/libtcl8.6.dylib
/usr/local/lib/libtk8.6.dylib
Warning: Unbrewed header files were found in /usr/local/include.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected header files:
/usr/local/include/fakemysql.h
/usr/local/include/fakepq.h
/usr/local/include/fakesql.h
/usr/local/include/itcl.h
/usr/local/include/itcl2TclOO.h
/usr/local/include/itclDecls.h
/usr/local/include/itclInt.h
/usr/local/include/itclIntDecls.h
/usr/local/include/itclMigrate2TclCore.h
/usr/local/include/itclTclIntStubsFcn.h
/usr/local/include/mysqlStubs.h
/usr/local/include/odbcStubs.h
/usr/local/include/pqStubs.h
/usr/local/include/tcl.h
/usr/local/include/tclDecls.h
/usr/local/include/tclOO.h
/usr/local/include/tclOODecls.h
/usr/local/include/tclPlatDecls.h
/usr/local/include/tclThread.h
/usr/local/include/tclTomMath.h
/usr/local/include/tclTomMathDecls.h
/usr/local/include/tdbc.h
/usr/local/include/tdbcDecls.h
/usr/local/include/tdbcInt.h
/usr/local/include/tk.h
/usr/local/include/tkDecls.h
/usr/local/include/tkPlatDecls.h
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/libgfortran.la
/usr/local/lib/libgomp.la
/usr/local/lib/libquadmath.la
Warning: Unbrewed .pc files were found in /usr/local/lib/pkgconfig.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected .pc files:
/usr/local/lib/pkgconfig/tcl.pc
/usr/local/lib/pkgconfig/tk.pc
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/libgfortran.a
/usr/local/lib/libgomp.a
/usr/local/lib/libquadmath.a
/usr/local/lib/libtclstub8.6.a
/usr/local/lib/libtkstub8.6.a
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'.
Eu tenho duas perguntas: