[英]Unable to install pg gem in windows
I am getting below error while installing pg gem in windows. 在Windows中安装pg gem时出现以下错误。 Command Used: $ gem install pg -- -- with-pg=S:
使用的命令: $ gem install pg--with-pg = S:
****Output:**** ****输出:****
Building native extensions with: '-- with-pg=S:'
This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
c:/RailsInstaller/Ruby2.1.0/bin/ruby.exe extconf.rb -- with-pg=S:
checking for pg_config... yes
Using config values from S:/bin/pg_config.exe
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=c:/RailsInstaller/Ruby2.1.0/bin/ruby
--with-pg
--enable-windows-cross
--disable-windows-cross
--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}/lib
--with-pqlib
--without-pqlib
--with-libpqlib
--without-libpqlib
--with-ms/libpqlib
--without-ms/libpqlib
extconf failed, exit code 1
Gem files will remain installed in c:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1
.0/gems/pg-0.18.4 for inspection.
Results logged to c:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/extensions/x86
-mingw32/2.1.0/pg-0.18.4/gem_make.out
Through googling i found we should be installing "apt-get install libpq-dev". 通过谷歌搜索,我发现我们应该安装“ apt-get install libpq-dev”。 Can any one tell me how can i do this on windows machine.
谁能告诉我如何在Windows计算机上执行此操作。
If i try "gem install libpq-dev", i am getting below error. 如果我尝试“ gem install libpq-dev”,我将得到以下错误。
ERROR: Could not find a valid gem 'libpq-dev' (>= 0) in any repository ERROR: Possible alternatives: libevdev, libpixel 错误:在任何存储库中找不到有效的gem'libpq-dev'(> = 0)错误:可能的替代品:libevdev,libpixel
Can any one tell me how can i do this on windows machine.
谁能告诉我如何在Windows计算机上执行此操作。
Windows doesn't treat libraries the same as Linux
/ Mac
; Windows对库的对待与
Linux
/ Mac
; there is no repository like apt-get
or brew
(although chocolatey
is making ground)... you have to download the libs yourself and reference them directly... 没有像
apt-get
或brew
那样的存储库(尽管chocolatey
正在兴起)...您必须自己下载这些库并直接引用它们...
Download the PGSQL binary: http://www.enterprisedb.com/products-services-training/pgbindownload
gem install pg -- --with-pg-dir="C:\Path\To\PostgreSQL\9.5"
试试这个会起作用
sudo apt-get install -y libpq-dev build-essential postgresql-server-dev-all libpgsql-ruby postgresql ruby-dev && gem install pg
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