Ruby 安装dm-mysql适配器时出错
我对Ruby很陌生。我安装了DataMapper，并尝试安装dm-mysql-adapter-1.0.2 gem。但是当我尝试安装时，我得到以下错误。我正在使用ubuntu操作系统Ruby 安装dm-mysql适配器时出错,ruby,datamapper,Ruby,Datamapper,我对Ruby很陌生。我安装了DataMapper，并尝试安装dm-mysql-adapter-1.0.2 gem。但是当我尝试安装时，我得到以下错误。我正在使用ubuntu操作系统 vinoth@vinoth-laptop:~/Downloads$ gem install dm-mysql-adapter-1.0.2 -- --with-mysql- lib=/usr/lib/mysql -- --with-mysql-conf=/usr/bin/mysql
vinoth@vinoth-laptop:~/Downloads$ gem install dm-mysql-adapter-1.0.2 -- --with-mysql- lib=/usr/lib/mysql -- --with-mysql-conf=/usr/bin/mysql
WARNING: Installing to ~/.gem since /home/vinoth/gems and
/home/vinoth/gems/bin aren't both writable.
WARNING: You don't have /home/vinoth/.gem/ruby/1.8/bin in your PATH,
gem executables will not run.
Building native extensions. This could take a while...
ERROR: Error installing dm-mysql-adapter-1.0.2:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.8 extconf.rb --with-mysql-lib=/usr/lib/mysql -- --with-mysql- conf=/usr/bin/mysql
checking for mysql_query() in -lmysqlclient... no
*** 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
- ........
Gem files will remain installed in /home/vinoth/.gem/ruby/1.8/gems/do_mysql-0.10.2 for inspection.
Results logged to /home/vinoth/.gem/ruby/1.8/gems/do_mysql-0.10.2/ext/do_mysql/gem_make.out
Gem版本：1.3.5您需要安装mysql开发包：
sudo apt-get install libmysqlclient-dev