Sunday, June 12, 2016

Nokogiri 1.6.8 Error When Installing Rails 5.0.0.rc1

My Rails 5.0.0.rc1 installation with Ruby 2.3.1 on Max OS is failed because of Nokogiri error.

Building native extensions.  This could take a while...
ERROR:  Error installing rails:
 ERROR: Failed to build gem native extension.

    current directory: /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.8/ext/nokogiri
/Users/aji/.rbenv/versions/2.3.1/bin/ruby -r ./siteconf20160612-35324-37mayu.rb extconf.rb
Using pkg-config version 1.1.7
checking if the C compiler accepts ... yes
checking if the C compiler accepts -Wno-error=unused-command-line-argument-hard-error-in-future... no
Building nokogiri using packaged libraries.
Using mini_portile version 2.1.0
checking for iconv.h... yes
checking for gzdopen() in -lz... yes
checking for iconv... yes
************************************************************************
IMPORTANT NOTICE:

Building Nokogiri with a packaged version of libxml2-2.9.4.

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 libxml2-2.9.4.tar.gz into tmp/x86_64-apple-darwin15.5.0/ports/libxml2/2.9.4... OK
Running 'configure' for libxml2 2.9.4... OK
Running 'compile' for libxml2 2.9.4... ERROR, review '/Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.8/ext/nokogiri/tmp/x86_64-apple-darwin15.5.0/ports/libxml2/2.9.4/compile.log' to see what happened. Last lines are:
========================================================================
    unsigned short* in = (unsigned short*) inb;
                         ^~~~~~~~~~~~~~~~~~~~~
encoding.c:815:27: warning: cast from 'unsigned char *' to 'unsigned short *' increases required alignment from 1 to 2 [-Wcast-align]
    unsigned short* out = (unsigned short*) outb;
                          ^~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.
  CC       error.lo
  CC       parserInternals.lo
  CC       parser.lo
  CC       tree.lo
  CC       hash.lo
  CC       list.lo
  CC       xmlIO.lo
xmlIO.c:1450:52: error: use of undeclared identifier 'LZMA_OK'
    ret =  (__libxml2_xzclose((xzFile) context) == LZMA_OK ) ? 0 : -1;
                                                   ^
1 error generated.
make[2]: *** [xmlIO.lo] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2
========================================================================
*** 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=/Users/aji/.rbenv/versions/2.3.1/bin/$(RUBY_BASE_NAME)
 --help
 --clean
 --use-system-libraries
 --enable-static
 --disable-static
 --with-zlib-dir
 --without-zlib-dir
 --with-zlib-include
 --without-zlib-include=${zlib-dir}/include
 --with-zlib-lib
 --without-zlib-lib=${zlib-dir}/lib
 --enable-cross-build
 --disable-cross-build
/Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mini_portile2-2.1.0/lib/mini_portile2/mini_portile.rb:366:in `block in execute': Failed to complete compile task (RuntimeError)
 from /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mini_portile2-2.1.0/lib/mini_portile2/mini_portile.rb:337:in `chdir'
 from /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mini_portile2-2.1.0/lib/mini_portile2/mini_portile.rb:337:in `execute'
 from /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mini_portile2-2.1.0/lib/mini_portile2/mini_portile.rb:111:in `compile'
 from /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mini_portile2-2.1.0/lib/mini_portile2/mini_portile.rb:150:in `cook'
 from extconf.rb:364:in `block (2 levels) in process_recipe'
 from extconf.rb:257:in `block in chdir_for_build'
 from extconf.rb:256:in `chdir'
 from extconf.rb:256:in `chdir_for_build'
 from extconf.rb:363:in `block in process_recipe'
 from extconf.rb:262:in `tap'
 from extconf.rb:262:in `process_recipe'
 from extconf.rb:555:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/extensions/x86_64-darwin-15/2.3.0-static/nokogiri-1.6.8/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.8 for inspection.
Results logged to /Users/aji/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/extensions/x86_64-darwin-15/2.3.0-static/nokogiri-1.6.8/gem_make.out
After some googling, the problem is because xz installation with Homebrew. Uninstall xz solve my problme.

brew uninstall xz
gem install rails -v '5.0.0.rc1'

Friday, December 4, 2015

Melodiest 1.0.0 Has Been Released

Melodiest version 1.0.0 has been released a few weeks ago. A lot of changes has been made. In this version Melodiest introduce new application structure and add new gems by default.

Thursday, September 24, 2015

Sequel vs Active Record ORM Benchmark on PostgreSQL

Machine:
  • OSX Yosemite version 10.10.5
  • MacBook Pro (Mid 2010)
  • Processor 2.66 GHz Intel Core i7
  • 8GB 1067 MHz DDR3
  • Storage: SSD
Rbenv, Ruby and PostgreSQL version:
  • Rbenv 0.4.0-148-g5b9e4f0
  • Ruby 2.2.2p95
  • PostgreSQL 9.4.1 with default configuration
Benchmarking Tool: simple_orm_benchmark

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