Gem::Ext::BuildError: ERROR: Failed to build gem native extension. /home/jaylin/.rvm/rubies/ruby-2.2.1/bin/ruby -r ./siteconf20150424-56422-1itbjb.rb 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... no
Can't find the 'libpq-fe.h header
*** 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/$(RUBY_BASE_NAME)--with-pg--without-pg--enable-windows-cross--disable-windows-cross--with-pg-config--without-pg-config--with-pg_config--without-pg_config--with-pg-dir--without-pg-dir--with-pg-include--without-pg-include=${pg-dir}/include--with-pg-lib--without-pg-lib=${pg-dir}/libextconf failed, exit code 1Gem files will remain installed in /home/jaylin/.rvm/gems/ruby-2.2.1/gems/pg-0.18.1 for inspection.
Results logged to /home/jaylin/.rvm/gems/ruby-2.2.1/extensions/x86_64-linux/2.2.0/pg-0.18.1/gem_make.out
An error occurred while installing pg (0.18.1), and Bundler cannot continue.
Make sure that `gem install pg -v '0.18.1'` succeeds before bundling.
解决
sudo apt-get install libpq-dev
