From 747cf8cdf61cdad068c727e42eac699f2505ae77 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Fri, 20 Jun 2014 18:14:22 -0400
Subject: [PATCH] build-sys: fail if python support requested but not found

---
 configure.ac | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.ac b/configure.ac
index 1aff72d3b..a87a02656 100644
--- a/configure.ac
+++ b/configure.ac
@@ -224,6 +224,13 @@ AS_IF([test "x$with_python" != "xno"], [
                       [AC_MSG_WARN([*** python support requires python-lxml module installed])])
         ])
 ])
+AS_IF([test "$have_python" != "yes"], [
+      AS_IF([test "$with_python" = "yes"],
+            [AC_MSG_ERROR([*** python support requested but python support not found])])
+      AS_IF([test "$with_python" != "no"],
+            [AC_MSG_WARN([*** python support not found, some documentation cannot be built])])
+])
+
 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = "xyes"])
 AS_IF([test "x$PYTHON_BINARY" = "x"],
       [AS_IF([test "x$have_python" = "xyes"],
-- 
2.30.2