dynare/m4/ax_check_docbook_xslt_min.m4

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# ===========================================================================
# http://www.nongnu.org/autoconf-archive/ax_check_docbook_xslt_min.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_CHECK_DOCBOOK_XSLT_MIN(min-xslt-version)
#
# DESCRIPTION
#
# Check that the 'current' version of docbook is at least version
# min-xslt-version. If the test is successful,
# $DOCBOOK_XSLT_CURRENT_VERSION will be set to the current docbook
# version; if not, it will be set to 'no'.
#
# Example:
#
# AX_CHECK_DOCBOOK_XSLT_MIN(1.72.0)
# if test "x$DOCBOOK_XSLT_CURRENT_VERSION" = "xno"; then
# ...
#
# LICENSE
#
# Copyright (c) 2008 Zmanda Inc. <http://www.zmanda.com/>
# Copyright (c) 2008 Dustin J. Mitchell <dustin@zmanda.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
AU_ALIAS([AC_CHECK_DOCBOOK_XSLT_MIN], [AX_CHECK_DOCBOOK_XSLT_MIN])
AC_DEFUN([AX_CHECK_DOCBOOK_XSLT_MIN],
[
AC_REQUIRE([AX_PROG_XSLTPROC])
AC_CACHE_CHECK([for current Docbook XSLT version], [ac_cv_docbook_xslt_current_version],
[
ac_cv_docbook_xslt_current_version=no
if test -n "$XSLTPROC"; then
cat >conftest.xsl <<EOF
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fm="http://freshmeat.net/projects/freshmeat-submit/"
version="1.0">
<xsl:output method="text"/>
<xsl:template match="fm:project/fm:Version">
<xsl:value-of select="." />
</xsl:template>
<!-- do nothing with any other text -->
<xsl:template match="text()"/>
</xsl:stylesheet>
EOF
echo "Trying '$XSLTPROC $XSLTPROC_FLAGS http://docbook.sourceforge.net/release/xsl/current/VERSION' with input:" >&AS_MESSAGE_LOG_FD
echo "====" >&AS_MESSAGE_LOG_FD
cat conftest.xsl >&AS_MESSAGE_LOG_FD
echo "====" >&AS_MESSAGE_LOG_FD
ac_cv_docbook_xslt_current_version=`$XSLTPROC $XSLTPROC_FLAGS conftest.xsl http://docbook.sourceforge.net/release/xsl/current/VERSION 2>&AS_MESSAGE_LOG_FD`
if test "$?" != 0; then
ac_cv_docbook_xslt_current_version='no'
fi
rm conftest.xsl
fi
])
DOCBOOK_XSLT_CURRENT_VERSION="$ac_cv_docbook_xslt_current_version"
AC_MSG_CHECKING([whether Docbook XSLT version is $1 or newer])
if test x"$DOCBOOK_XSLT_CURRENT_VERSION" = x"no"; then
AC_MSG_RESULT([no])
else
AX_COMPARE_VERSION([$DOCBOOK_XSLT_CURRENT_VERSION], [lt], [$1], [
# version is less than required, so mark it as "no"
DOCBOOK_XSLT_CURRENT_VERSION=no
])
if test x"$DOCBOOK_XSLT_CURRENT_VERSION" = x"no"; then
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([yes ($DOCBOOK_XSLT_CURRENT_VERSION)])
fi
fi
])