ruby on rails gem install pg时无法安装
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Tags:ruby rails gem install 无法 安装

gem install pg -v '0.18.2'
Building native extensions.  This could take a while...
ERROR:  Error installing pg:
    ERROR: Failed to build gem native extension.

    current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2/ext
/Users/bevan/.rvm/rubies/ruby-2.3.0/bin/ruby -r ./siteconf20160226-49308-30rbgs.rb extconf.rb
checking for pg_config... no
No pg_config... trying anyway. If building fails, please try again with
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:

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


extconf failed, exit code 1

Gem files will remain installed in /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2 for inspection.
Results logged to /Users/bevan/.rvm/gems/ruby-2.3.0/extensions/x86_64-darwin-15/2.3.0/pg-0.18.2/gem_make.out




1.  sudo apt-get install libpq-dev

2. gem install pg



1. brew install postgresql
2. gem install pg -- --with-pg-config=/Applications/



ruby on rails gem install pg时无法安装

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