Ruby 1.9.3 gem pg error in Ubuntu

Nov 21, 2014

AD:

環境

VagrantでUbuntu14.04
rbenvを使ってRuby 1.9.3-p551
gem pg
で下記のエラーがでました。

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /home/vagrant/.rbenv/versions/1.9.3-p551/bin/ruby extconf.rb
checking for pg_config... yes
Using config values from /usr/bin/pg_config
You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.
You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.
checking for libpq-fe.h... *** 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/vagrant/.rbenv/versions/1.9.3-p551/bin/ruby
	--with-pg
	--without-pg
	--with-pg-dir
	--without-pg-dir
	--with-pg-include
	--without-pg-include=${pg-dir}/include
	--with-pg-lib
	--without-pg-lib=${pg-dir}/lib
	--with-pg-config
	--without-pg-config
	--with-pg_config
	--without-pg_config
/home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:983:in `block in find_header'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:254:in `open'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:254:in `open'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
	from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:982:in `find_header'
	from extconf.rb:40:in `<main>'


Gem files will remain installed in /var/www/html/hoge/vendor/bundle/ruby/1.9.1/gems/pg-0.13.2 for inspection.
Results logged to /var/www/html/hoge/vendor/bundle/ruby/1.9.1/gems/pg-0.13.2/ext/gem_make.out
An error occurred while installing pg (0.13.2), and Bundler cannot continue.
Make sure that `gem install pg -v '0.13.2'` succeeds before bundling.
</main>

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

/home/vagrant/.rbenv/versions/1.9.3-p551/bin/ruby extconf.rb

checking for pg_config... yes

Using config values from /usr/bin/pg_config

You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application.

checking for libpq-fe.h... *** 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/vagrant/.rbenv/versions/1.9.3-p551/bin/ruby

--with-pg

--without-pg

--with-pg-dir

--without-pg-dir

--with-pg-include

--without-pg-include=${pg-dir}/include

--with-pg-lib

--without-pg-lib=${pg-dir}/lib

--with-pg-config

--without-pg-config

--with-pg_config

--without-pg_config

/home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)

You have to install development tools first.

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:983:in `block in find_header'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:254:in `open'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:254:in `open'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'

from /home/vagrant/.rbenv/versions/1.9.3-p551/lib/ruby/1.9.1/mkmf.rb:982:in `find_header'

from extconf.rb:40:in `<main>'

Gem files will remain installed in /var/www/html/hoge/vendor/bundle/ruby/1.9.1/gems/pg-0.13.2 for inspection.

Results logged to /var/www/html/hoge/vendor/bundle/ruby/1.9.1/gems/pg-0.13.2/ext/gem_make.out

An error occurred while installing pg (0.13.2), and Bundler cannot continue.

Make sure that `gem install pg -v '0.13.2'` succeeds before bundling.

</main>

解決

libpq-dev(UbuntuのPostgres系パッケージ)が入っていないが原因ですよねー

sudo apt-get install libpq-dev

1	sudo apt-get install libpq-dev

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Ruby 1.9.3 gem pg error in Ubuntu

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