问题描述
当我尝试捆绑安装时出现以下错误
An error occurred while installing MysqL2 (0.3.21),and Bundler cannot continue.
Make sure that `gem install MysqL2 -v '0.3.21' --source 'https://rubygems.org/'` succeeds before bundling.
我正在处理 Ubuntu 20.4，我得到的完整错误是
Fetching MysqL2 0.3.21
Installing MysqL2 0.3.21 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
/home/tanuja/.rbenv/versions/2.2.10/bin/ruby -r ./siteconf20210316-16230-vpblwe.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
-----
libMysqLclient is missing. Trying again with extra runtime libraries...
-----
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 main() in -lnsl... yes
checking for MysqL_query() in -lMysqLclient... no
checking for main() in -lmygcc... no
-----
libMysqLclient is missing. You may need to 'apt-get install libMysqLclient-dev' or 'yum install MysqL-devel',and try again.
-----
*** 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/tanuja/.rbenv/versions/2.2.10/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-nsllib
--without-nsllib
--with-MysqLclientlib
--without-MysqLclientlib
--with-mygcclib
--without-mygcclib
extconf Failed,exit code 1
Gem files will remain installed in /home/tanuja/.rvm/gems/ruby-2.2.10/gems/MysqL2-0.3.21 for inspection.
Results logged to /home/tanuja/.rvm/gems/ruby-2.2.10/extensions/x86_64-linux/2.2.0-static/MysqL2-0.3.21/gem_make.out
An error occurred while installing MysqL2 (0.3.21),and Bundler cannot continue.
Make sure that `gem install MysqL2 -v '0.3.21' --source 'https://rubygems.org/'` succeeds before bundling.
In Gemfile:
MysqL2
我从相关帖子中尝试了很多东西，例如安装 libMysqLclient-dev 但没有奏效。
如果有人可以帮忙。谢谢！
解决方法
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