第一个问题在这里,但我现在非常感谢你,因为在迈克尔哈特尔图特的第一章中,stackoverflow帮助我差不多15次。安装Heroku的PostgreSQL gem pq
现在我试图用这个命令安装PostgreSQL(PG宝石):
`
group :production do
gem 'pg', '0.15.1'
gem 'rails_12factor', '0.0.2'
end`
,但它显示
-bash: group: command not found
然后我试图直接安装错误(?)的宝石
gem install pg
但它显示了另一个错误
`Fetching: pg-0.17.1.gem (100%)
Building native extensions. This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
rvm/rubies/ruby-2.0.0-p353/bin/ruby extconf.rb
checking for pg_config... no
No pg_config... trying anyway. If building fails, please try again with
--with-pg-config=/path/to/pg_config
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=/Users/trabalho/.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 .rvm/gems/[email protected]_rails_4_0/gems/pg-0.17.1 for inspection.
Results logged to .rvm/gems/[email protected]_rails_4_0/extensions/x86_64-darwin-10/2.0.0/pg-0.17.1/gem_make.out`
如果它被安装或不是我不明白,无论我怎么能确认。我如何使组命令工作?或者我该如何安装gem pg和rails_12factor? 有什么帮助吗?
你们是惊人的,谢谢你,解决。 – luigi