From 49be2a3fc5e9f6ca71717cde6889c49dbba816da Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Fri, 24 Jan 2020 11:42:30 -0500
Subject: configure: Fix sphinx version test

The check for the "v" prefix is redundant.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index da0eb23fad..419f002c5e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -836,7 +836,7 @@ AC_PATH_PROG(SPHINXBUILD,sphinx-build)
 AC_CACHE_CHECK([for version of sphinx-build], fp_cv_sphinx_version,
 changequote(, )dnl
 [if test -n "$SPHINXBUILD"; then
-  fp_cv_sphinx_version=`"$SPHINXBUILD" --version 2>&1 | sed 's/.* v\?\([0-9]\.[0-9]\.[0-9]\)/\1/' | head -n1`;
+  fp_cv_sphinx_version=`"$SPHINXBUILD" --version 2>&1 | sed 's/.* \([0-9]\.[0-9]\.[0-9]\)/\1/' | head -n1`;
 fi;
 changequote([, ])dnl
 ])
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