[英]gem install pg not working on Mac El Capitan
I tried to install pg Gem on Mac El Capitan, but I always get this error: 我试图在Mac El Capitan上安装pg Gem,但是我总是收到此错误:
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb --with-pg-config=/Users/ricardolopes/Developer/homebrew/bin/pg_config Using config values from /Users/ricardolopes/Developer/homebrew/bin/pg_config checking for libpq-fe.h... yes checking for libpq/libpq-fs.h... yes checking for pg_config_manual.h... yes checking for PQconnectdb() in -lpq... no checking for PQconnectdb() in -llibpq... no checking for PQconnectdb() in -lms/libpq... no Can't find the PostgreSQL client library (libpq) *** 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=/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby --with-pg --without-pg --enable-windows-cross --disable-windows-cross --with-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}/ --with-pqlib --without-pqlib --with-libpqlib --without-libpqlib --with-ms/libpqlib --without-ms/libpqlib Gem files will remain installed in /Users/ricardolopes/Code/site-noticias/vendor/bundle/ruby/2.0.0/gems/pg-0.18.3 for inspection. Results logged to /Users/ricardolopes/Code/site-noticias/vendor/bundle/ruby/2.0.0/gems/pg-0.18.3/ext/gem_make.out An error occurred while installing pg (0.18.3), and Bundler cannot continue. Make sure that gem install pg -v '0.18.3' succeeds before bundling.
I also tried: 我也尝试过:
ARCHFLAGS="-arch x86_64" gem install pg
When I tried it I got: 当我尝试它时,我得到:
Building native extensions. This could take a while... Successfully installed pg-0.18.3 invalid options: -f fivefish (invalid options are ignored) Parsing documentation for pg-0.18.3 Done installing documentation for pg after 3 seconds 1 gem installed
But I run bundle install
and get the same error posted in the beginning of this post. 但是我运行
bundle install
并在这篇文章的开头得到了同样的错误。
I tried reinstall PostgresSQL from brew. 我尝试从brew重新安装PostgresSQL。
Try this: 尝试这个:
This worked for me: 这为我工作:
sudo gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config
Remember to change 9.4 to your postgres version, if different from 9.4. 如果与9.4不同,请记住将9.4更改为您的postgres版本。
For a basic Rails app, you probably already have SQLite installed, but in your Gemfile, it probably has simply: 对于基本的Rails应用,您可能已经安装了SQLite,但是在您的Gemfile中,它可能只是简单地:
gem 'sqlite3'
Do you just need PostgreSQL for production? 您只需要PostgreSQL进行生产吗? Make sure your Gemfile has it as follows:
确保您的Gemfile具有以下内容:
group :production do gem 'pg' end
Also, make sure your Gemfile has SQLite just for development: 另外,请确保您的Gemfile具有仅用于开发的SQLite:
group :development do gem 'sqlite3' end
then try running bundle install
. 然后尝试运行
bundle install
。
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