Allow installation of python bindings to alternate location

Bugs item #3200257, was opened at 2011-03-05 01:20
Message generated for change (Tracker Item Submitted) made by jiahao
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Category: Building / Install
Group: v 1.1.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Jiahao Chen (jiahao)
Assigned to: Nobody/Anonymous (nobody)
Summary: Allow installation of python bindings to alternate location

Initial Comment:
The cmake installation process fails for users who do not have write access to the system-level python package repository (/usr/lib*/python*/dist-packages):

Sample error output:

– Installing: /usr/lib/python2.6/dist-packages/
CMake Error at libavogadro/src/python/cmake_install.cmake:41 (FILE):
file INSTALL cannot copy file
"/home/cjh/local/src/avogadro/build/lib/" to
Call Stack (most recent call first):
libavogadro/src/cmake_install.cmake:174 (INCLUDE)
libavogadro/cmake_install.cmake:37 (INCLUDE)
cmake_install.cmake:79 (INCLUDE)

make: *** [install] Error 1

It would be nice to have a CMake variable like PYTHONDESTDIR to specify an alternate installation prefix.

This installation error occurred with the HEAD of the git repository (331b1581e271bfb0ec3e7189bae9bb1350833a38) under Ubuntu 10.04 64bit, python 2.6.5.

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