From ca61be3ac2d18fce6c03a51b7428bbebf40e750b Mon Sep 17 00:00:00 2001
From: Tobias Grosser <tobias@grosser.es>
Date: Thu, 3 Apr 2014 18:12:13 +0000
Subject: [PATCH] Add a paragraph describing how to configure the python
 interpreter.

Contributed-by: cib123@googlemail.com
llvm-svn: 205549
---
 polly/www/get_started.html | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/polly/www/get_started.html b/polly/www/get_started.html
index b1e9cdfda998..920275e9979e 100644
--- a/polly/www/get_started.html
+++ b/polly/www/get_started.html
@@ -148,6 +148,14 @@ directory of libisl/libcloog, i.e. ${CLOOG_INSTALL}/lib, to LD_LIBRARY_PATH by:
 
 <pre>export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${CLOOG_INSTALL}/lib</pre>
 
+<p>If you get an error in one of the python files, your system probably uses python3
+as default python interpreter. This is the case, for instance, under Arch Linux.
+To solve this issue, run <code>cmake</code> again, but with the added argument:
+<code>-DPYTHON_EXECUTABLE=/usr/bin/python2</code> (replace <code>/usr/bin/python2</code>
+with the location of the python2 interpreter under your system).
+
+<pre>cmake -DCMAKE_PREFIX_PATH=${CLOOG_INSTALL} -DPYTHON_EXECUTABLE=/usr/bin/python2 ${LLVM_SRC}</pre>
+
 <h2> Optional Features </h2>
 
 <h3> Pocc </h3>