Question

我想在Windows XP上安装rails 3并使用mysql.rails 3直接安装但在mysql2安装期间它会提供Native Error Exception。如果有人在Windows XP上安装带有mysql2的rails 3，请显示安装步骤。

错误就像这样......

D:\ROR\InstantRails\rails_apps>gem install mysql2
Building native extensions.  This could take a while...
ERROR:  Error installing mysql2:
        ERROR: Failed to build gem native extension.

D:/ROR/InstantRails/Ruby/bin/ruby.exe extconf.rb
checking for rb_thread_blocking_region()... *** 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=D:/ROR/InstantRails/Ruby/bin/ruby
D:/ROR/InstantRails/Ruby/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 D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:435:in `try_link0'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:440:in `try_link'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:552:in `try_func'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:797:in `block in have_func'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:796:in `have_func'
        from extconf.rb:9:in `<main>'


Gem files will remain installed in D:/ROR/InstantRails/Ruby/lib/ruby/gems/1.9.1/gems/mysql2-0.2.4 for inspection.
Results logged to D:/ROR/InstantRails/Ruby/lib/ruby/gems/1.9.1/gems/mysql2-0.2.4/ext/mysql2/gem_make.out

D:\ROR\InstantRails\rails_apps>gem install mysql2
Building native extensions.  This could take a while...
ERROR:  Error installing mysql2:
        ERROR: Failed to build gem native extension.

D:/ROR/InstantRails/Ruby/bin/ruby.exe extconf.rb
checking for rb_thread_blocking_region()... *** 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=D:/ROR/InstantRails/Ruby/bin/ruby
D:/ROR/InstantRails/Ruby/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 D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:435:in `try_link0'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:440:in `try_link'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:552:in `try_func'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:797:in `block in have_func'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
        from D:/ROR/InstantRails/Ruby/lib/ruby/1.9.1/mkmf.rb:796:in `have_func'
        from extconf.rb:9:in `<main>'


Gem files will remain installed in D:/ROR/InstantRails/Ruby/lib/ruby/gems/1.9.1/gems/mysql2-0.2.4 for inspection.
Results logged to D:/ROR/InstantRails/Ruby/lib/ruby/gems/1.9.1/gems/mysql2-0.2.4/ext/mysql2/gem_make.out

Answer 1

如果有人仍然面临在Windows上使用rails 3安装mysql2 gem的问题，请参阅安装的详细步骤 - http://rorguide.blogspot.com/2011/03/installing-mysql2-gem-on-ruby-192-and.html

Answer 2

mysql2仍然是* nix-only，它们是一张提供windows版本gem的门票。

导轨3＆amp;在XP上安装mysql2

2 个答案: