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Document that the libpq must be available at runtime

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Fix issue #408.
This commit is contained in:
Daniele Varrazzo 2016-07-01 01:18:27 +01:00
parent 4d0b449cbf
commit 5f3be39e0a
1 changed files with 10 additions and 0 deletions
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10
doc/src/install.rst
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@ -51,6 +51,16 @@ extension packages, *above all if you are a Windows or a Mac OS user*, please
use a pre-compiled package and go straight to the :ref:`module usage <usage>`
avoid bothering with the gory details.
.. note::
Regardless of the way `!psycopg2` is installed, at runtime it will need to
use the libpq_ library. `!psycopg2` relies on the host OS to find the
library file (usually ``libpq.so`` or ``libpq.dll``): if the library is
installed in a standard location there is usually no problem; if the
library is in a non-standard location you will have to tell somehow
psycopg how to find it, which is OS-dependent (for instance setting a
suitable :envvar:`LD_LIBRARY_PATH` on Linux).
.. _install-from-package: