Ruby on rails 3 错误：安装sqlite3（1.3.3）时无法生成gem本机扩展

我正在尝试启动我的第一个rails项目。Mac OS X 10.6.7上的Im，安装了Xcode4，ruby 1.9.2，rails 3.0.1

键入bundle install时，出现以下错误：

~/rails_project/first_app$ bundle install
Fetching source index for http://rubygems.org/
Using rake (0.9.2)
Using abstract (1.0.0)
Using activesupport (3.0.1)
Using builder (2.1.2)
Using i18n (0.4.2)
Using activemodel (3.0.1)
Using erubis (2.6.6)
Using rack (1.2.3)
Using rack-mount (0.6.14)
Using rack-test (0.5.7)
Using tzinfo (0.3.28)
Using actionpack (3.0.1)
Using mime-types (1.16)
Using polyglot (0.3.1)
Using treetop (1.4.9)
Using mail (2.2.19)
Using actionmailer (3.0.1)
Using arel (1.0.1)
Using activerecord (3.0.1)
Using activeresource (3.0.1)
Using bundler (1.0.14)
Using thor (0.14.6)
Using railties (3.0.1)
Using rails (3.0.1)
Installing sqlite3 (1.3.3) with native extensions /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:533:in `rescue in block in build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

       /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb
checking for sqlite3.h... *** 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=/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/bin/ruby
       --with-sqlite3-dir
       --without-sqlite3-dir
       --with-sqlite3-include
       --without-sqlite3-include=${sqlite3-dir}/include
       --with-sqlite3-lib
       --without-sqlite3-lib=${sqlite3-dir}/lib
/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier failed to generate an executable file. (RuntimeError)
You have to install development tools first.
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:452:in `try_cpp'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:853:in `block in find_header'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in `open'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in `open'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:852:in `find_header'
       from extconf.rb:28:in `<main>'


Gem files will remain installed in /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/sqlite3-1.3.3 for inspection.
Results logged to /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/sqlite3-1.3.3/ext/sqlite3/gem_make.out
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:511:in `block in build_extensions'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:486:in `each'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:486:in `build_extensions'
       from /Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:159:in `install'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/source.rb:101:in `block in install'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/rubygems_integration.rb:78:in `preserve_paths'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/source.rb:91:in `install'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:58:in `block (2 levels) in run'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/rubygems_integration.rb:93:in `with_build_args'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:57:in `block in run'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/spec_set.rb:12:in `block in each'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/spec_set.rb:12:in `each'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/spec_set.rb:12:in `each'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:49:in `run'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:8:in `install'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/cli.rb:222:in `install'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/vendor/thor/task.rb:22:in `run'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/vendor/thor.rb:246:in `dispatch'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/vendor/thor/base.rb:389:in `start'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/bin/bundle:13:in `<top (required)>'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/bin/bundle:19:in `load'
       from /Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/bin/bundle:19:in `<main>'
~/rails_project/first_app$

~/rails\u项目/first\u应用程序$bundle安装
正在获取的源索引http://rubygems.org/
使用耙（0.9.2）
使用摘要（1.0.0）
使用activesupport（3.0.1）
使用生成器（2.1.2）
使用i18n（0.4.2）
使用activemodel（3.0.1）
使用erubis（2.6.6）
使用机架（1.2.3）
使用机架安装（0.6.14）
使用机架测试（0.5.7）
使用tzinfo（0.3.28）
使用actionpack（3.0.1）
使用mime类型（1.16）
使用polyglot（0.3.1）
使用树梢（1.4.9）
使用邮件（2.2.19）
使用actionmailer（3.0.1）
使用arel（1.0.1）
使用activerecord（3.0.1）
使用activeresource（3.0.1）
使用捆绑机（1.0.14）
使用thor（0.14.6）
使用扶手（3.0.1）
使用rails（3.0.1）
安装带有本机扩展的sqlite3（1.3.3）/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/installer.rb:533:“在构建扩展中的块中进行救援”：错误：构建gem本机扩展失败。（Gem:：Installer:：ExtensionBuildError）
/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/bin/ruby extconf.rb
正在检查sqlite3.h...**extconf.rb失败***
由于某些原因无法创建Makefile，可能是缺少
必要的库和/或标题。查看mkmf.log文件了解更多信息
细节。您可能需要配置选项。
提供的配置选项：
--使用opt dir
--不带opt dir
--选择包含
--不带opt include=${opt dir}/include
--使用opt lib
--不带opt lib=${opt dir}/lib
--使用make prog
--没有make prog
--srcdir=。
--克迪尔
--ruby=/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/bin/ruby
--使用-sqlite3-dir
--不带-sqlite3-dir
--with-sqlite3-include
--不带-sqlite3-include=${sqlite3 dir}/include
--使用-sqlite3-lib
--不带-sqlite3-lib=${sqlite3 dir}/lib
/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:368:在“try_do”中：编译器未能生成可执行文件。（运行时错误）
您必须首先安装开发工具。
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:452:in'try_cpp'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:853:in'block in find_header'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:693:in'block in checking_'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280:in“延迟中的块（2级）”中
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in'open'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:280:in'block in delay'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:254:in'open'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:276:in“推迟”
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:692:in'checking_'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/mkmf.rb:852:in'find_header'
从extconf.rb:28:in`'
Gem文件仍将安装在/Users/tiffany/.rvm/gems/ruby-1.9.2中-p180@rails3tutorial/gems/sqlite3-1.3.3进行检查。
结果记录到/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/sqlite3-1.3.3/ext/sqlite3/gem_make.out
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/installer.rb:511:in“block in build\u extensions”
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/installer.rb:486:in'each'
来自/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/installer.rb:486:in'build\u extensions'
from/Users/tiffany/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/site\u ruby/1.9.1/rubygems/installer.rb:159:in'install'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/source.rb:101:in'block-in-install'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/rubygems_integration.rb:78:in'preserve_path'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/source.rb:91:in'install'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:58:in'block（2层）in run'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/rubygems_集成。rb:93:in`with_build_args'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:57:in'block in run'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/spec_set.rb:12:in'block in each'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/spec_set.rb:12:in'each'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/spec_set.rb:12:in'each'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:49:in'run'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/installer.rb:8:in'install'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/cli.rb:222:in'install'
来自/Users/tiffany/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/bundler-1.0.14/lib/bundler/vendor/thor/task.rb:22:in'run'
来自/Users/tiffany/.rvm/gems/