From d84bdc8236801e95e976b65de09ac90b92e37998 Mon Sep 17 00:00:00 2001
From: Stephen Finucane <stephen@that.guru>
Date: Mon, 2 Jan 2017 11:47:40 +0000
Subject: make: Check for Sphinx before checking docs

Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ben Pfaff <blp@ovn.org>
---
 m4/openvswitch.m4 | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'm4')

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index a44822319..6515ed7bb 100644
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -400,7 +400,7 @@ else:
    AM_CONDITIONAL([HAVE_PYTHON3], [test "$HAVE_PYTHON3" = yes])])
 
 
-dnl Checks for dot.
+dnl Checks for flake8.
 AC_DEFUN([OVS_CHECK_FLAKE8],
   [AC_CACHE_CHECK(
     [for flake8],
@@ -412,6 +412,18 @@ AC_DEFUN([OVS_CHECK_FLAKE8],
      fi])
    AM_CONDITIONAL([HAVE_FLAKE8], [test "$ovs_cv_flake8" = yes])])
 
+dnl Checks for sphinx.
+AC_DEFUN([OVS_CHECK_SPHINX],
+  [AC_CACHE_CHECK(
+    [for sphinx],
+    [ovs_cv_sphinx],
+    [if sphinx-build --version >/dev/null 2>&1; then
+       ovs_cv_sphinx=yes
+     else
+       ovs_cv_sphinx=no
+     fi])
+   AM_CONDITIONAL([HAVE_SPHINX], [test "$ovs_cv_sphinx" = yes])])
+
 dnl Checks for dot.
 AC_DEFUN([OVS_CHECK_DOT],
   [AC_CACHE_CHECK(
-- 
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