On Dec 3, 2013, at 9:46 AM, Todd Fiala <[email protected]> wrote:

> Hi all,
> 
> I started digging into the 'make install' python script installation issue 
> listed on another thread.  Here's the ticket for it:
> 
> http://llvm.org/bugs/show_bug.cgi?id=18124
> 
> I've added some comments to the bug.  My initial digging leads to a few 
> questions:
> 
> 1. Where do we expect a configure/make/make install to place the python 
> scripts?  I was under the impression the scripts should be installed in the 
> same directory tree implied by the configure --prefix arg, which is also what 
> a `lldb -P` reports.  However, what I'm finding is that the 'make install' 
> step is trying to install the python scripts into the python interpreter's 
> dist-packages location.  I'm getting these failures on install because I'm 
> not doing a 'sudo' on my make install.
> 
>     llvm[4]: Installing Debug+Asserts LLDB python modules
>     mkdir: cannot create directory `/usr/lib/python2.7/dist-packages/lldb': 
> Permission denied
>     Error: Unable to find or create /usr/lib/python2.7/dist-packages/lldb
>     make[4]: Leaving directory 
> `/usr/local/google/home/tfiala/llvm/work/build-debug/tools/lldb/source/Interpreter'
> 
> Do we want the python scripts installing into the python executable's 
> dist-packages or the location reported by lldb -P?

Yes, this would allow multiple installs of LLDB to co-exist without stomping on 
the previous LLDB's python modules (which could be very different).

>  My first stab would be it should go in the installation prefix paths as I 
> would not expect any code to be installed outside of the prefix and, 
> possibly, require a sudo when I'm trying to do everything locally without 
> elevated privileges.
> 
> 2. Should 'make install' fail if we fail to copy over python files? My first 
> take is that a failure to install the scripts should qualify as an all-out 
> failure and cause make to fail (i.e. fail early, fail loudly); otherwise, we 
> can get quite a bit past the root cause of scripting-related failures without 
> realizing what's broken.
> 
> Any opinions on this?  My straw-man answers are:
> 
> 1. Install into the tree implied by configure --prefix, not into the python 
> dist-packages dir.  (A close second would be to specify a new configure path 
> variable so the user can configure, possibly adjusting the output of lldb -P 
> to match).

The --prefix path sounds right to be for coexistence.

> 
> 2. Change makefiles so that failure to copy scripts fails the install.

Agreed.

> 
> I'll fix up whatever we decide here if it requires a change.
> 
> Thanks!
> 
> Sincerely,
> Todd Fiala
> _______________________________________________
> lldb-dev mailing list
> [email protected]
> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev

_______________________________________________
lldb-dev mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev

Reply via email to