Estoy tratando de instalar el marco Metasploit (sin importancia) y el paquete está intentando instalar sqlite3, que es donde falla constantemente. Sqlite3 está instalado (la ejecución de sqlite3 en la línea de comando me lleva al entorno) y se vincula usandobrew link sqlite3 (y agregando --force, por alguna razón) perobundler install falla cada vez con este error:

sudo gem install sqlite3
Building native extensions.  This could take a while...
ERROR:  Error installing sqlite3:
    ERROR: Failed to build gem native extension.

    /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
Error: Running Homebrew as root is extremely dangerous and no longer supported.
As Homebrew does not drop privileges on installation you would be giving all
build scripts full access to your system.
checking for sqlite3.h... yes
checking for pthread_create() in -lpthread... yes
checking for sqlite3_libversion_number() in -lsqlite3... no
sqlite3 is missing. Try 'brew install sqlite3',
'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
and check your shared library search path (the
location where your sqlite3 shared library is located).
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
    --with-opt-dir
    --without-opt-dir
    --with-opt-include
    --without-opt-include=${opt-dir}/include
    --with-opt-lib
    --without-opt-lib=${opt-dir}/lib
    --with-make-prog
    --without-make-prog
    --srcdir=.
    --curdir
    --ruby=/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
    --with-sqlite3-config
    --without-sqlite3-config
    --with-pkg-config
    --without-pkg-config
    --with-sqlite3-dir
    --without-sqlite3-dir
    --with-sqlite3-include
    --without-sqlite3-include=${sqlite3-dir}/include
    --with-sqlite3-lib
    --without-sqlite3-lib=${sqlite3-dir}/
    --with-pthreadlib
    --without-pthreadlib
    --with-sqlite3lib
    --without-sqlite3lib


Gem files will remain installed in /Library/Ruby/Gems/2.0.0/gems/sqlite3-1.3.12 for inspection.
Results logged to /Library/Ruby/Gems/2.0.0/gems/sqlite3-1.3.12/ext/sqlite3/gem_make.out