4

I need some headers from the dev-version of postgres 9, which is contained in libpq-dev, for installing the pg gem, but when I execute:

sudo apt-get install libpq-dev

I get the result:

The following packages have unmet dependencies: libpq-dev : Depends: libpq5 (= 8.4.7-0ubuntu0.10.10) but 9.0.1-1~lucid is to be installed

When I tried to remove libpq5 (to reinstall it correctly?), it threatened to remove postgresql-9.0:

The following packages will be REMOVED: libpq5 pgadmin3 php5-pgsql postgresql-9.0 postgresql-client-9.0

Does anybody know how to solve this problem? Thanks.

migrated from stackoverflow.com Sep 22 '12 at 21:19

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5

I solved this for myself by running:

sudo apt-get remove libpq5
sudo apt-get install libpq-dev

Automatically fixed dependencies.

0

Finally I've reinstalled all that stuff, first I've removed old libpq5 and it's deleted all postgres-* packages, after that I've reinstalled postgresql-9.0 by downloading its binary from http://www.enterprisedb.com/products/pgdownload.do, and by accident postgresql-client-8.4 has been installed too. But all these things now works together.

and

gem install pg

was successful

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