Use portable #! in python scripts (/usr/bin/env)

contrib/devtools/security-check.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 '''
 Perform basic ELF security checks on a series of executables.
 Exit status will be 0 if successful, and the program will be silent.

contrib/devtools/symbol-check.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 # Copyright (c) 2014 Wladimir J. van der Laan
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.

contrib/devtools/test-security-check.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 '''
 Test script for security-check.py
 '''

contrib/linearize/linearize-data.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # linearize-data.py: Construct a linear, no-fork version of the chain.
 #

contrib/linearize/linearize-hashes.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # linearize-hashes.py:  List blocks in a linear, no-fork version of the chain.
 #

contrib/seeds/generate-seeds.py

@@ -1,5 +1,5 @@
-#!/usr/bin/python
-# Copyright (c) 2014 Wladmir J. van der Laan
+#!/usr/bin/env python
+# Copyright (c) 2014 Wladimir J. van der Laan
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 '''

src/test/bitcoin-util-test.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 # Copyright 2014 BitPay, Inc.
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.

src/test/buildenv.py.in

@@ -1,2 +1,2 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 exeext="@EXEEXT@"