我正在尝试使用Postgresql本地开发
Ruby on Rails,所以我正在尝试安装pg gem.在Ubuntu 12.04上.在终端,我输入:
gem install pg -v '0.12.2'
这会引发以下错误:
Building native extensions. This Could take a while... ERROR: Error installing pg: ERROR: Failed to build gem native extension. /home/troyshu/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for pg_config... yes Using config values from /usr/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 --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/troyshu/.rvm/rubies/ruby-1.9.3-p194/bin/ruby --with-pg --without-pg --with-pg-dir --without-pg-dir --with-pg-include --without-pg-include=${pg-dir}/include --with-pg-lib --without-pg-lib=${pg-dir}/lib --with-pg-config --without-pg-config --with-pg_config --without-pg_config --with-pqlib --without-pqlib --with-libpqlib --without-libpqlib --with-ms/libpqlib --without-ms/libpqlib Gem files will remain installed in /home/troyshu/.rvm/gems/ruby-1.9.3-p194/gems/pg-0.14.1 for inspection. Results logged to /home/troyshu/.rvm/gems/ruby-1.9.3-p194/gems/pg-0.14.1/ext/gem_make.out
有趣的是,在命令中添加sudo可以:
$sudo gem install pg -v '0.12.2' Building native extensions. This Could take a while... Successfully installed pg-0.12.2 1 gem installed
顺便说一句,我必须运行“sudo apt-get install ruby1.9.1-dev”才能使上述命令生效.但我仍然无法进行任何开发,因为“捆绑安装”不起作用(并一直告诉我运行’gem install pg -v’0.12.2′)
我有一种感觉“宝石安装pg”正在被绊倒
checking for PQconnectdb() in -lpq... no checking for PQconnectdb() in -llibpq... no checking for PQconnectdb() in -lms/libpq... no
但是,作为Ubuntu和RoR的完整菜鸟,我不知道为什么.也许我的搜索技巧也很臭,因为我无法找到解决我特定情况的方法.希望有一个修复?
谢谢!
解决方法
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