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# ===========================================================================
# https://github.com/BrianAker/ddm4
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_SPHINX_BUILD([ACTION-IF-FOUND], [ACTION-IF-NOT_FOUND])
#
# DESCRIPTION
#
# Look for sphinx-build and make sure it is a recent version of it.
#
# LICENSE
#
# Copyright (c) 2012-2013 Brian Aker <brian@tangent.org>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 3
AC_DEFUN([AX_PROG_SPHINX_BUILD],
[AX_WITH_PROG([SPHINXBUILD],[sphinx-build],[:])
AS_IF([test x"SPHINXBUILD" = x":"],
[SPHINXBUILD=],
[AS_IF([test -x "$SPHINXBUILD"],
[AC_MSG_CHECKING([Checking to see if $SPHINXBUILD is recent])
junk=`$SPHINXBUILD &> version_file`
ax_sphinx_build_version=`head -1 version_file`
rm version_file
AC_MSG_RESULT([$SPHINXBUILD is version "$ax_sphinx_build_version"])
$SPHINXBUILD -Q -C -b man -d conftest.d . . >/dev/null 2>&1
AS_IF([test $? -eq 0], ,[SPHINXBUILD=])
rm -rf conftest.d
])
])
AS_IF([test -n "${SPHINXBUILD}"],
[AC_SUBST([SPHINXBUILD])
ifelse([$1], , :, [$1])],
[ifelse([$2], , :, [$2])])
])
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