如何在 Ubuntu 上安装 PostgreSQL 的 pg gem?

编程入门行业动态更新时间:2024-10-10 06:18:45

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我正在尝试为 Ruby 安装 PostgreSQL 的 pg gem.

I'm trying to install PostgreSQL's pg gem for Ruby.

我发出了以下命令:

gem install pg

我使用 RVM 安装了 Ruby 1.9.2.

I installed Ruby 1.9.2 using RVM.

上面的命令显示了以下错误.

The above command shows me the following error.

错误是:

Building native extensions. This could take a while... ERROR: Error installing pg: ERROR: Failed to build gem native extension. /home/User/.rvm/rubies/ruby-1.9.2-preview3/bin/ruby extconf.rb checking for pg_config... yes checking for libpq-fe.h... yes checking for libpq/libpq-fs.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=/home/User/.rvm/rubies/ruby-1.9.2-preview3/bin/ruby --with-pg --without-pg --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}/lib --enable-static-build --disable-static-build --with-pqlib --without-pqlib --with-libpqlib --without-libpqlib --with-ms/libpqlib --without-ms/libpqlib Gem files will remain installed in /home/user/.rvm/gems/ruby-1.9.2-preview3/gems/pg-0.9.0 for inspection. Results logged to /home/user/.rvm/gems/ruby-1.9.2-preview3/gems/pg-0.9.0/ext/gem_make.out

我不知道是什么错误...

I don't know what is the error...

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