File: ac_check_docbook_xslt_min.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
 <head>
  <title>
   Autoconf Macro: ac_check_docbook_xslt_min
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  <hr>
  <h1>
   ac_check_docbook_xslt_min
  </h1>
  <h2>
   Synopsis
  </h2>
  <p class="indent" style="white-space:nowrap;">
   <code>AC_CHECK_DOCBOOK_XSLT_MIN(min-xslt-version)</code>
  </p>
  <h2>
   Description
  </h2>
  <div class="indent">
   <p>
    Check that the 'current' version of docbook is at least version
    min-xslt-version. If the test is successful, $DOCBOOK_XSLT_CURRENT_VERSION
    will be set to the current docbook version; if not, it will be set to 'no'.
   </p>
   <p>
    Example:
   </p>
   <pre>
 AC_CHECK_DOCBOOK_XSLT_MIN(1.72.0)
 if test "x$DOCBOOK_XSLT_CURRENT_VERSION" = "xno"; then
   ..
</pre>
  </div>
  <h2>
   Authors
  </h2>
  <p class="indent">
   Zmanda Inc. http://www.zmanda.com/ and Dustin J. Mitchell
   &lt;dustin@zmanda.com&gt;.
  </p>
  <h2>
   Last Modified
  </h2>
  <p class="indent">
   2007-04-20
  </p>
  <h2>
   M4 Source Code
  </h2>
  <div class="indent">
   <pre class="m4source">
AC_DEFUN([AC_CHECK_DOCBOOK_XSLT_MIN],
[
    AC_REQUIRE([AC_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 "$XSLTPROC"; then
            cat &gt;conftest.xsl &lt;&lt;EOF
                &lt;xsl:stylesheet
                    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                    xmlns:fm="http://freshmeat.net/projects/freshmeat-submit/"
                    version="1.0"&gt;
                    &lt;xsl:output method="text"/&gt;
                    &lt;xsl:template match="fm:project/fm:Version"&gt;
                        &lt;xsl:value-of select="." /&gt;
                    &lt;/xsl:template&gt;
                    &lt;!-- do nothing with any other text --&gt;
                    &lt;xsl:template match="text()"/&gt;
                &lt;/xsl:stylesheet&gt;
EOF
            echo "Trying '$XSLTPROC $XSLTPROC_FLAGS http://docbook.sourceforge.net/release/xsl/current/VERSION' with input:" &gt;&amp;AS_MESSAGE_LOG_FD
            echo "====" &gt;&amp;AS_MESSAGE_LOG_FD
            cat conftest.xsl &gt;&amp;AS_MESSAGE_LOG_FD
            echo "====" &gt;&amp;AS_MESSAGE_LOG_FD

            ac_cv_docbook_xslt_current_version=`$XSLTPROC $XSLTPROC_FLAGS conftest.xsl http://docbook.sourceforge.net/release/xsl/current/VERSION 2&gt;&amp;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
        # compare versions (current on left, minimum on right)

        # for each pattern, get the component number, or default to zero if not found
        changequote(,)
        MAJPAT='/^[0-9]*\./{               s/^\([0-9]*\)\..*/\1/;q};                 s/.*/0/; q'
        MINPAT='/^[0-9]*\.[0-9]*\./{       s/^[0-9]*\.\([0-9]*\)\..*/\1/;q};         s/.*/0/; q'
        REVPAT='/^[0-9]*\.[0-9]*\.[0-9]*/{ s/^[0-9]*\.[0-9]*\.\([0-9]*\).*/\1/;q};   s/.*/0/; q'
        changequote([,])

        # major version
        left=`echo "$DOCBOOK_XSLT_CURRENT_VERSION"|sed "$MAJPAT"`
        right=`echo "$1"|sed "$MAJPAT"`
        if test $left -lt $right; then
            DOCBOOK_XSLT_CURRENT_VERSION=no
        else
            # minor version
            left=`echo "$DOCBOOK_XSLT_CURRENT_VERSION"|sed "$MINPAT"`
            right=`echo "$1"|sed "$MINPAT"`
            if test $left -lt $right; then
                DOCBOOK_XSLT_CURRENT_VERSION=no
            else
                # revision
                left=`echo "$DOCBOOK_XSLT_CURRENT_VERSION"|sed "$REVPAT"`
                right=`echo "$1"|sed "$REVPAT"`
                if test $left -lt $right; then
                    DOCBOOK_XSLT_CURRENT_VERSION=no
                fi
            fi
        fi
        MAJPAT=''
        MINPAT=''
        REVPAT=''
        left=''
        right=''

        if test x"$DOCBOOK_XSLT_CURRENT_VERSION" = x"no"; then
            AC_MSG_RESULT([no])
        else
            AC_MSG_RESULT([yes])
        fi
    fi
])
</pre>
  </div>
  <h2>
   License
  </h2>
  <div class="indent">
   <span style="white-space:nowrap;">Copyright &copy; 2007 Zmanda Inc.
   http://www.zmanda.com/</span><br>
   <span style="white-space:nowrap;">Copyright &copy; 2007 Dustin J. Mitchell
   &lt;dustin@zmanda.com&gt;</span>
   <p>
    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.
   </p>
   <p>
    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.
   </p>
   <p>
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc., 59
    Temple Place - Suite 330, Boston, MA 02111-1307, USA.
   </p>
   <p>
    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.
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