安装Bundle时，postgresql gem失败。（是的，已经安装了PostgreSQL）

Question

安装Bundle时，postgresql gem失败。（是的，已经安装了PostgreSQL）

ruby-on-railspostgresqlterminalrubygemsbundler

3

我正在尝试在新机器上运行bundle install。我刚刚安装了postgres.app并重新启动了终端。在我的应用程序中运行bundle install会返回此错误。

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
checking for pg_config... yes
Using config values from /usr/local/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
    --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}/
    --with-pqlib
    --without-pqlib
    --with-libpqlib
    --without-libpqlib
    --with-ms/libpqlib
    --without-ms/libpqlib


Gem files will remain installed in /var/folders/1p/11m5t6_j76xddb5wrkckgn8m0000gp/T/bundler20150524-32619-10b4nv5pg-0.18.1/gems/pg-0.18.1 for inspection.
Results logged to /var/folders/1p/11m5t6_j76xddb5wrkckgn8m0000gp/T/bundler20150524-32619-10b4nv5pg-0.18.1/gems/pg-0.18.1/ext/gem_make.out
An error occurred while installing pg (0.18.1), and Bundler cannot continue.
Make sure that `gem install pg -v '0.18.1'` succeeds before bundling.

感谢您的时间！希望您能提供解决这个问题的任何建议。

- Charles Green

1个回答

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- Tjax · Accepted Answer

我认为，如果你安装这个包libpq-dev，它会有所帮助。你可以像这样安装它：sudo apt-get install libpq-dev。如需更多信息，您还可以查看此网站：https://gorails.com/setup/ubuntu/15.04。