From bdad87a242c2d141dc55631b21c9342741833894 Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Sun, 11 Dec 2016 21:44:05 +0000
Subject: [PATCH] Detect pep8 for both python 2 and python 3 and show version

---
 configure.ac | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure.ac b/configure.ac
index 00aa887b5..dcfa1a05c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -886,7 +886,15 @@ else
   AC_SUBST(PY3LIB)
   AC_SUBST(PY3LINK)
   AC_SUBST(PYTHON3DYNAMICLINKING)
+fi
+
+if test -n "$PYINCLUDE" || test -n "$PY3INCLUDE" ; then
   AC_CHECK_PROGS(PEP8, pep8)
+  if test -n "$PEP8"; then
+    AC_MSG_CHECKING(pep8 version)
+    pep8_version=`$PEP8 --version 2>/dev/null`
+    AC_MSG_RESULT($pep8_version)
+  fi
 fi
 
 #----------------------------------------------------------------