xcodeでleopard 10.6.7にsqlite3 gemをインストールするとエラーが発生する3.2.6

Question

私はsudo gem install sqlite3でgem sqlite3をインストールしようとしました 私は以下のエラーを受け取りました。誰にも分かりますか？

私の環境は次のとおりです。私は開発者ツールを再インストールして、それを解決し

RubyGems Environment: 
    - RUBYGEMS VERSION: 1.8.5 
    - RUBY VERSION: 1.9.2 (2010-08-18 patchlevel 0) [x86_64-darwin10.4.0] 
    - INSTALLATION DIRECTORY: /usr/local/lib/ruby/gems/1.9.1 
    - RUBY EXECUTABLE: /usr/local/bin/ruby 
    - EXECUTABLE DIRECTORY: /usr/local/bin 
    - RUBYGEMS PLATFORMS: 
    - ruby 
    - x86_64-darwin-10 
    - GEM PATHS: 
    - /usr/local/lib/ruby/gems/1.9.1 
    - /Users/renkevin/.gem/ruby/1.9.1 
    - GEM CONFIGURATION: 
    - :update_sources => true 
    - :verbose => true 
    - :benchmark => false 
    - :backtrace => false 
    - :bulk_threshold => 1000 
    - REMOTE SOURCES: 
    - http://rubygems.org/ 

sudo gem install sqlite3

Building native extensions. This could take a while... 
ERROR: Error installing sqlite3: 
    ERROR: Failed to build gem native extension. 
     /usr/local/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=/usr/local/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 
/usr/local/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 /usr/local/lib/ruby/1.9.1/mkmf.rb:452:in `try_cpp' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:853:in `block in find_header' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:254:in `open' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:254:in `open' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:276:in `postpone' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for' 
    from /usr/local/lib/ruby/1.9.1/mkmf.rb:852:in `find_header' 
    from extconf.rb:28:in `<main>' 

Answer 1

。 正確に何が間違っていたのかわからない！