mysql2安装错误
administrator@ubuntu:~/store$ gem install mysql2
Fetching: mysql2-0.3.13.gem (100%)
Building native extensions. This could take a while…
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
/home/administrator/.rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb
checking for rb_thread_blocking_region()… yes
checking for rb_wait_for_single_fd()… yes
checking for rb_hash_dup()… yes
checking for rb_intern3()… yes
checking for mysql_query() in -lmysqlclient… no
checking for main() in -lm… yes
checking for mysql_query() in -lmysqlclient… no
checking for main() in -lz… yes
checking for mysql_query() in -lmysqlclient… no
checking for main() in -lsocket… no
checking for mysql_query() in -lmysqlclient… no
checking for main() in -lnsl… yes
checking for mysql_query() in -lmysqlclient… no
checking for main() in -lmygcc… no
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
–with-make-prog
–without-make-prog
–srcdir=.
–curdir
–ruby=/home/administrator/.rvm/rubies/ruby-1.9.3-p448/bin/ruby
–with-mysql-config
–without-mysql-config
–with-mysql-dir
–without-mysql-dir
–with-mysql-include
–without-mysql-include=${mysql-dir}/include
–with-mysql-lib
–without-mysql-lib=${mysql-dir}/lib
–with-mysqlclientlib
–without-mysqlclientlib
–with-mlib
–without-mlib
–with-mysqlclientlib
–without-mysqlclientlib
–with-zlib
–without-zlib
–with-mysqlclientlib
–without-mysqlclientlib
–with-socketlib
–without-socketlib
–with-mysqlclientlib
–without-mysqlclientlib
–with-nsllib
–without-nsllib
–with-mysqlclientlib
–without-mysqlclientlib
–with-mygcclib
–without-mygcclib
–with-mysqlclientlib
–without-mysqlclientlib
Gem files will remain installed in /home/administrator/.rvm/gems/ruby-1.9.3-p448/gems/mysql2-0.3.13 for inspection.
Results logged to /home/administrator/.rvm/gems/ruby-1.9.3-p448/gems/mysql2-0.3.13/ext/mysql2/gem_make.out
************解决方法***********
sudo apt-get install libmysql-ruby libmysqlclient-dev
gem install mysql2
