Install Rails
Railsのインストール
$ sudo /usr/local/bin/gem install rails
なにかエラーがでる場合,結果ファイルを参照し対処しなければいけません。
今回の例ではlibxml2へパッチを適用する際にエラーとなったようです。
/usr/local/bin/ruby -r ./siteconf20151025-3599-1mimbnz.rb extconf.rb
checking if the C compiler accepts ... yes
Building nokogiri using packaged libraries.
checking for gzopen() in -lz... yes
checking for iconv... yes
*************************************************************************
IMPORTANT NOTICE:
Building Nokogiri with a packaged version of libxml2-2.9.2
with the following patches applied:
- 0001-Revert-Missing-initialization-for-the-catalog-module.patch
- 0002-Fix-missing-entities-after-CVE-2014-3660-fix.patch
Team Nokogiri will keep on doing their best to provide security
updates in a timely manner, but if this is a concern for you and want
to use the system library instead: abort this installation process and
reinstall nokogiri as follows:
gem install nokogiri -- --use-system-libraries
[--with-xml2-config=/path/to/xml2-config]
[--with-xslt-config=/path/to/xslt-config]
If you are using Bundler, tell it to use the option:
bundle config build.nokogiri --use-system-libraries
bundle install
Note, however, that nokogiri is not fully compatible with arbitrary
versions of libxml2 provided by OS/package vendors.
*********************************************************************
Extracting libxml2-2.9.2.tar.gz into tmp/i686-pc-linux-gnu/ports/libxml2/2.29.2... OK
Running patch with /usr/local/lib/ruby/gems/2.2.0/gems/nokogiri-1.6.6.2/ports/patches/libxml2/0001-Revert-Missing-initialization-for-the-catalog-module.patch...
Running 'patch' for libxml2 2.9.2... ERROR, review '/usr/local/lib/ruby/gems/2.2.0/gems/nokogiri-1.6.6.2/ext/nokogiri/tmp/i686-pc-linux-gnu/ports/libxml2/2.9.2/patch.log' to see what happened.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmk.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=/usr/local/bin/$(RUBY_BASE_NAME)
--help
--clean
--use-system-libraries
--enable-static
--disable-static
--with-zlib-dir
--without-zlib-dir
--with-zlib-include
省略
※調べた結果、patchがインストールされていないことが原因でしたので
yum でpatchをインストール後、再度 gem install railsを試行しました。
retry
$ sudo /usr/local/bin/gem install rails
Building native extensions. This could take a while...
Successfully installed rails-4.2.4
Parsing documentation for rails-4.2.4
Done installing documentation for rails after 7 seconds
1 gem installed