当我使用gem’pg’运行“bundle install”时，我收到此错误。 我该怎么办？
当我尝试使用pg gem捆绑安装时出现此错误。 我已经安装了postgresql gem。 请告诉我我该怎么办？ 我看到其他Stackoverlfowpost并实现了它们但它仍然显示此错误
当捆绑器试图运行gem pg时
Installing pg (0.17.1) Gem::Ext::BuildError: ERROR: Failed to build gem native extension. /home/salmanalam/.rvm/rubies/ruby-2.0.0-p353/bin/ruby extconf.rb checking for pg_config... yes Using config values from /usr/bin/pg_config You need to install postgresql-server-dev-XY for building a server-side extension or libpq-dev for building a client-side application. You need to install postgresql-server-dev-XY 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/salmanalam/.rvm/rubies/ruby-2.0.0-p353/bin/ruby --with-pg --without-pg --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}/ extconf failed, exit code 1 Gem files will remain installed in /home/salmanalam/.rvm/gems/ruby-2.0.0-p353/gems/pg- 0.17.1 for inspection. Results logged to /home/salmanalam/.rvm/gems/ruby-2.0.0-p353/extensions/x86_64- linux/2.0.0/pg-0.17.1/gem_make.out An error occurred while installing pg (0.17.1), and Bundler cannot continue. Make sure that `gem install pg -v '0.17.1'` succeeds before bundling. 看起来你在Linux上。
尝试为Debian / Ubuntu安装libpq-dev ，或为RHEL系统安装postgresql-devel 。