From: Reid Thompson <reid.thompson@...>
Date: 2010-03-04T01:01:53+09:00
Subject: Re: Installing Pg gem for PostGreSQL 8.4

On Wed, 2010-03-03 at 23:59 +0900, Saeed Bhuta wrote:
> Reid Thompson wrote:
> > On 3/3/2010 3:11 AM, Saeed Bhuta wrote:
> >> Reid Thompson wrote:
> >>> what does this return
> >>> $ pg_config --includedir
> >>
> >> pg_config --includedir
> >> /usr/include/postgresql
> > 
> > actually, make that
> > 
> > $ ls -lrt /usr/include/postgresql
> 
>  ls -lrt /usr/include/postgresql
> total 172
> -rw-r--r-- 1 root root 20694 2009-09-09 17:49 postgres.h
> -rw-r--r-- 1 root root   790 2009-09-09 17:49 postgres_fe.h
> -rw-r--r-- 1 root root  1837 2009-09-09 17:49 postgres_ext.h
> -rw-r--r-- 1 root root 12805 2009-09-09 17:49 port.h
> -rw-r--r-- 1 root root   349 2009-09-09 17:49 pg_trace.h
> -rw-r--r-- 1 root root   766 2009-09-09 17:49 pg_config_os.h
> -rw-r--r-- 1 root root  7583 2009-09-09 17:49 pg_config_manual.h
> -rw-r--r-- 1 root root 24739 2009-09-09 17:49 pg_config.h
> -rw-r--r-- 1 root root 19646 2009-09-09 17:49 libpq-fe.h
> -rw-r--r-- 1 root root  2270 2009-09-09 17:49 libpq-events.h
> -rw-r--r-- 1 root root 24599 2009-09-09 17:49 c.h
> drwxr-xr-x 2 root root  4096 2010-03-02 10:12 libpq
> drwxr-xr-x 3 root root  4096 2010-03-02 10:12 internal
> drwxr-xr-x 2 root root  4096 2010-03-02 10:12 catalog
> drwxr-xr-x 2 root root  4096 2010-03-02 10:12 utils
> drwxr-xr-x 2 root root  4096 2010-03-02 10:12 nodes
> drwxr-xr-x 2 root root  4096 2010-03-02 10:12 mb
> drwxr-xr-x 3 root root  4096 2010-03-02 10:13 8.4


hmm -- until today, on my box

$ sudo gem install pg

resulted in 0.8.0 being installed

today, it installed 0.9.0.

try this

in your gems directory, remove the 0.9.0 directory
(on my box this is at /usr/lib/ruby/gems/1.8/gems/pg-0.9.0)

then try the install again

$ sudo gem install pg