Description: Pass the wanted python interpreted when running tests
Author: Sandro Tosi <morph@debian.org>
Forwarded: http://code.google.com/p/python-graph/issues/detail?id=110

--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,8 @@ TESTS_DIR="tests/"
 DOCS_DIR="docs/"
 TEMP="temp/"
 PYTHONPATH="`pwd`/core:`pwd`/dot"
+PYTHON=python
+PYTHON3=python3
 
 
 # General ------------------------------------------------------------
@@ -64,10 +66,10 @@ docs: cleanpyc
 # Tests --------------------------------------------------------------
 
 test:
-	export PYTHONPATH=${PYTHONPATH} && cd ${TESTS_DIR} && python testrunner.py
+	export PYTHONPATH=${PYTHONPATH} && cd ${TESTS_DIR} && ${PYTHON} testrunner.py
 
 test3:
-	export PYTHONPATH=${PYTHONPATH} && cd ${TESTS_DIR} && python3 testrunner.py
+	export PYTHONPATH=${PYTHONPATH} && cd ${TESTS_DIR} && ${PYTHON3} testrunner.py
 
 tests: test