From fcd4ba602b398d64a23a1cf46ba4c56b466b51e2 Mon Sep 17 00:00:00 2001
From: JINMEI Tatuya <jinmei@isc.org>
Date: Sun, 14 Mar 2010 20:45:07 +0000
Subject: [PATCH] allowed manually specififying a path to python (when only
 older versions of automake is available)

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1399 e5f2f494-b856-4b98-b285-d166d9295462
---
 README       |  4 ++++
 configure.ac | 11 ++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/README b/README
index 207967fd9a..be5ab8f84c 100644
--- a/README
+++ b/README
@@ -11,6 +11,10 @@ Simple build instructions:
 Requires autoconf 2.59 or newer.
 
 Use automake-1.11 or better for working Python 3.1 tests.
+Alternatively, you could manually specify an absolute path to python
+executable by the --with-pythonpath option of the configure script,
+e.g.,
+% ./configure --with-pythonpath=/usr/local/bin/python3.1
 
 Operating-System specific tips:
 
diff --git a/configure.ac b/configure.ac
index 7f270960ca..da2d52281a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,16 @@ AC_LANG_CPLUSPLUS
 AX_COMPILER_VENDOR
 
 m4_define([_AM_PYTHON_INTERPRETER_LIST], [python python3 python3.1])
-AM_PATH_PYTHON([3.1])
+AC_ARG_WITH([pythonpath],
+AC_HELP_STRING([--with-pythonpath=PATH],
+  [specify an absolute path to python executable when automatic version check (incorreclty) fails]),
+  [python_path="$withval"], [python_path="auto"])
+if test "$python_path" = auto; then
+	AM_PATH_PYTHON([3.1])
+else
+	PYTHON=$python_path
+	AC_SUBST(PYTHON)
+fi
 
 # TODO: check for _sqlite3.py module