10.8 (mac osx) マシンに mysql gem をインストールできません。自作でmysqlをインストールしました
$brew インストール mysql
それから私は:
$sudo gem install mysql
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/bin/ruby extconf.rb
checking for mysql_ssl_set()... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/bin/ruby
--with-mysql-config
--without-mysql-config
/Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:461:in `try_link0'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:476:in `try_link'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:619:in `try_func'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:894:in `block in have_func'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
from /Users/marcinkrzyzanowski/.rvm/rubies/ruby-1.9.3-head/lib/ruby/1.9.1/mkmf.rb:893:in `have_func'
from extconf.rb:50:in `<main>'
Gem files will remain installed in /Users/marcinkrzyzanowski/.rvm/gems/ruby-1.9.3-head/gems/mysql-2.8.1 for inspection.
Results logged to /Users/marcinkrzyzanowski/.rvm/gems/ruby-1.9.3-head/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
どうすればいいですか?