The problem is just one: doesn't work even if I provide correct paths to gem installer. See below:

[root@ruby-devserver yum.repos.d]# locate libpq-fe.h
/usr/pgsql-9.1/include/libpq-fe.h

So it's installed!!! :D

[root@ruby-devserver yum.repos.d]# gem install pg -- --with-pgsql-include-dir=/usr/psql-9.1/include
Building native extensions.  This could take a while...
ERROR:  Error installing pg:
        ERROR: Failed to build gem native extension.

/usr/local/rvm/rubies/ruby-1.9.3-p125/bin/ruby extconf.rb --with-pgsql-include-dir=/usr/psql-9.1/include
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
        --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/local/rvm/rubies/ruby-1.9.3-p125/bin/ruby
        --with-pg
        --without-pg
        --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-pg-config
        --without-pg-config
        --with-pg_config
        --without-pg_config


Gem files will remain installed in /usr/local/rvm/gems/ruby-1.9.3-p125/gems/pg-0.13.2 for inspection. Results logged to /usr/local/rvm/gems/ruby-1.9.3-p125/gems/pg-0.13.2/ext/gem_make.out

:( any help?

Ing. Reynier Perez Mira
eMail: [email protected], [email protected]
Skype: reynierpm
Mobile: +58 424.180.5609
Site: http://reynierpm.site90.com

On 3/1/2012 1:20 PM, Hassan Schroeder wrote:
So what's unclear about that? If you believe the required files are
on your system, find them and provide the correct path to the gem
installer. And if they're not, install them

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