From: Reid Thompson <reid.thompson@...>
Date: 2010-03-01T22:45:40+09:00
Subject: Re: Installing Pg gem for PostGreSQL 8.4

Run this...
$ dpkg --get-selections
and paste the results in a pastebin.

At this point, the gems is stating that it cannot find libpq ( the
postgresql C client library ).  Do you have the postgresql client
packages installed?

reid

On Mon, 2010-03-01 at 17:56 +0900, Saeed Bhuta wrote:
> Saeed Bhuta wrote:
> > Shashank Tiwari wrote:
> >> Are you installing this on a mac, windows or a linux environment? You 
> >> may
> >> need to make sure your C/C++ compiler is configured on the platform for 
> >> the
> >> native extensions to compile and install.
> >> 
> >> Thanks, Shashank
> 
> I just installed the 'libecpg-dev' package and am now getting the 
> following error when trying to install the pg gem:
> 
> "sudo gem install pg
> Building native extensions.  This could take a while...
> ERROR:  Error installing pg:
>   ERROR: Failed to build gem native extension.
> 
> /usr/bin/ruby1.8 extconf.rb
> checking for pg_config... yes
> checking for libpq-fe.h... yes
> checking for libpq/libpq-fs.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=/usr/bin/ruby1.8
>   --with-pg
>   --without-pg
>   --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
>   --enable-static-build
>   --disable-static-build
>   --with-pqlib
>   --without-pqlib
>   --with-libpqlib
>   --without-libpqlib
>   --with-ms/libpqlib
>   --without-ms/libpqlib
> 
> 
> Gem files will remain installed in /var/lib/gems/1.8/gems/pg-0.9.0 for 
> inspection.
> Results logged to /var/lib/gems/1.8/gems/pg-0.9.0/ext/gem_make.out"