From 1319e18e1d768cd628859d1d254043ad756b13f0 Mon Sep 17 00:00:00 2001
From: Alexandre Duret-Lutz <adl@lrde.epita.fr>
Date: Sun, 29 Apr 2012 18:19:08 +0200
Subject: [PATCH] Make sure PYTHON is absolute.

* m4/pypath.m4: Here.  This is needed because PYTHON is used as
she-bang line in scripts.
---
 m4/pypath.m4 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/m4/pypath.m4 b/m4/pypath.m4
index b029e01b9..66b1970bc 100644
--- a/m4/pypath.m4
+++ b/m4/pypath.m4
@@ -1,5 +1,9 @@
 AC_DEFUN([adl_CHECK_PYTHON],
  [AM_PATH_PYTHON([2.0])
+  case $PYTHON in
+    [[\\/$]]* | ?:[[\\/]]* );;
+    *) AC_MSG_ERROR([The PYTHON variable must be set to an absolute filename.]);;
+  esac
   AC_CACHE_CHECK([for $am_display_PYTHON includes directory],
     [adl_cv_python_inc],
     [adl_cv_python_inc=`$PYTHON -c "import sys; from distutils import sysconfig;]