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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_prog_xsltproc.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_XSLTPROC([default-flags])
#
# DESCRIPTION
#
# Find an xsltproc executable.
#
# Input:
#
# "default-flags" is the default $XSLTPROC_FLAGS, which will be overridden
# if the user specifies --with-xsltproc-flags.
#
# Output:
#
# $XSLTPROC contains the path to xsltproc, or is empty if none was found
# or the user specified --without-xsltproc. $XSLTPROC_FLAGS contains the
# flags to use with xsltproc.
#
# LICENSE
#
# Copyright (c) 2008,2009 Zmanda Inc. <http://www.zmanda.com/>
# Copyright (c) 2008,2009 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 <https://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.
#serial 9
AU_ALIAS([AC_PROG_XSLTPROC], [AX_PROG_XSLTPROC])
AC_DEFUN([AX_PROG_XSLTPROC],
[
XSLTPROC_FLAGS="$1"
AC_SUBST(XSLTPROC_FLAGS)
# The (lack of) whitespace and overquoting here are all necessary for
# proper formatting.
AC_ARG_WITH(xsltproc,
AS_HELP_STRING([--with-xsltproc[[[[[=PATH]]]]]],
[Use the xsltproc binary in PATH.]),
[ ac_with_xsltproc=$withval; ],
[ ac_with_xsltproc=maybe; ])
AC_ARG_WITH(xsltproc-flags,
AS_HELP_STRING([ --with-xsltproc-flags=FLAGS],
[Flags to pass to xsltproc (default $1)]),
[ if test "x$withval" = "xno"; then
XSLTPROC_FLAGS=''
else
if test "x$withval" != "xyes"; then
XSLTPROC_FLAGS="$withval"
fi
fi
])
# search for xsltproc if it wasn't specified
if test "$ac_with_xsltproc" = "yes" -o "$ac_with_xsltproc" = "maybe"; then
AC_PATH_PROGS(XSLTPROC,xsltproc)
else
if test "$ac_with_xsltproc" != "no"; then
if test -x "$ac_with_xsltproc"; then
XSLTPROC="$ac_with_xsltproc";
else
AC_MSG_WARN([Specified xsltproc of $ac_with_xsltproc isn't])
AC_MSG_WARN([executable; searching for an alternative.])
AC_PATH_PROGS(XSLTPROC,xsltproc)
fi
fi
fi
])
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