錯誤信息

Gem::Ext::BuildError:?ERROR:?Failed?to?build?gem?native?extension.

/home/jaylin/.rvm/rubies/ruby-2.2.1/bin/ruby?-r?./siteconf20150423-6190-1ocfncu.rb?extconf.rb

checking?for?ruby/thread.h...?yes

checking?for?rb_thread_call_without_gvl()?in?ruby/thread.h...?yes

checking?for?rb_thread_blocking_region()...?no

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/jaylin/.rvm/rubies/ruby-2.2.1/bin/$(RUBY_BASE_NAME)

--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-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

extconf?failed,?exit?code?1

Gem?files?will?remain?installed?in?/home/jaylin/.rvm/gems/ruby-2.2.1/gems/mysql2-0.3.18?for?inspection.

Results?logged?to?/home/jaylin/.rvm/gems/ruby-2.2.1/extensions/x86_64-linux/2.2.0/mysql2-0.3.18/gem_make.out

An?error?occurred?while?installing?mysql2?(0.3.18),?and?Bundler?cannot?continue.

Make?sure?that?`gem?install?mysql2?-v?'0.3.18'`?succeeds?before?bundling.

解決方案:

sudo?apt-get?install?libmysqlclient-dev

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