gem install pg is stubborn on ubuntu 12.04 wth

pg-install-probs

brandon@dees-VirtualBuntu:~/Projects/2012/client/rietta/bitstream-web$ gem install pg
ERROR: While executing gem ... (Errno::EACCES)
    Permission denied - /home/brandon/.rvm/gems/ruby-1.9.3-p194@bitstream-web/gems/pg-0.14.1/.gemtest


brandon@dees-VirtualBuntu:~/Projects/2012/client/rietta/bitstream-web$ rvmsudo gem install pg
[sudo] password for brandon:
Building native extensions. This could take a while...
ERROR: Error installing pg:
        ERROR: Failed to build gem native extension.

        /home/brandon/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb
checking for pg_config... yes
Using config values from /usr/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
        --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=/home/brandon/.rvm/rubies/ruby-1.9.3-p194/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
        --with-pqlib
        --without-pqlib
        --with-libpqlib
        --without-libpqlib
        --with-ms/libpqlib
        --without-ms/libpqlib


Gem files will remain installed in /home/brandon/.rvm/gems/ruby-1.9.3-p194@bitstream-web/gems/pg-0.14.1 for inspection.
Results logged to /home/brandon/.rvm/gems/ruby-1.9.3-p194@bitstream-web/gems/pg-0.14.1/ext/gem_make.out