From a166c162f7cfe4a776564a8982a1c2ac4af41973 Mon Sep 17 00:00:00 2001
From: "Blake J. Harnden" <bharnden@users.noreply.github.com>
Date: Mon, 15 Jan 2018 01:27:10 -0800
Subject: [PATCH] fixed #136, added check for sphinx-apidoc to configure.ac

---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index eba5ab93..351e7223 100644
--- a/configure.ac
+++ b/configure.ac
@@ -172,6 +172,12 @@ else
   want_docs=no
 fi
 
+# check for sphinx required during make
+AC_CHECK_PROG(sphinxapi_path, sphinx-apidoc, $as_dir, no, $SEARCHPATH)
+if test "x$sphinxapi_path" = "xno" ; then
+    AC_MSG_ERROR(["Could not location sphinx-apidoc, from the python-sphinx package"])
+fi
+
 #AC_PATH_PROGS(tcl_path, [tclsh tclsh8.5 tclsh8.4], no)
 #if test "x$tcl_path" = "xno" ; then
 #    AC_MSG_ERROR([Could not locate tclsh. Please install Tcl/Tk.])