Bugs item #3152165, was opened at 2011-01-05 17:25
Message generated for change (Tracker Item Submitted) made by johnbollinger
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Category: Installation/Building
Group: 2.3.x
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: John Bollinger (johnbollinger)
Assigned to: Nobody/Anonymous (nobody)
Summary: Python(/Perl?/Ruby?) build failure w/ parallel make

Initial Comment:
The instructions for compiling OpenBabel from source 
(http://openbabel.org/docs/2.3.0/Installation/install.html#compiling-open-babel)
 suggest using parallel make for increased speed when building on a 
multi-processor system.  If the the Python bindings are being built, however, 
then parallel make may attempt to link the Python bindings before 
libopenbabel.so has been built.  Needless to say, that fails, halting the build.

Serial builds have never failed for me, and even a new parallel build may be 
able to pick up a run to completion after the first make dies, so there are 
work-arounds.  It would nevertheless be better for the Makefiles to express a 
proper dependency on libopenbabel.so that prevents any attempt to build the 
Python extension first.

Inasmuch as the Perl and Ruby bindings (at least) seem also to rely on 
libopenbabel.so, they may also be affected by this issue.  I have not tested 
those yet.

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