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# ===========================================================================
# http://autoconf-archive.cryp.to/acltx_compress_eps.html
# ===========================================================================
#
# SYNOPSIS
#
# ACLTX_COMPRESS_EPS([ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]])
#
# DESCRIPTION
#
# this macro find a way to compress eps file, using Makefile target. If
# the way is found, set compress_eps to this way else set compress_eps to
# no
#
# LICENSE
#
# Copyright (c) 2008 Boretti Mathieu <boretti@eig.unige.ch>
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or (at
# your option) any later version.
#
# This library 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 Lesser
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
AC_DEFUN([ACLTX_COMPRESS_EPS],[
ACLTX_PROG_GZIP([AC_MSG_WARN([Unable to locate a gzip application to compress eps file])])
compress_eps=''; export compress_eps;
if test "$gzip" = "no" ; then
AC_MSG_CHECKING(for a way to compress eps)
AC_MSG_RESULT(no)
else
AC_CHECK_PROGS(grep,grep,no)
AC_MSG_CHECKING(for a way to compress eps)
if test "$grep" = "no" ; then
AC_MSG_RESULT(no)
else
compress_eps="%.eps.gz %.eps.bb : %.eps ; cat \[$]*.eps | grep \"%%BoundingBox\" > \[$]*.eps.bb ; rm -f \[$]*.eps.gz ; gzip \[$]*.eps"; export compress_eps
AC_MSG_RESULT($compress_eps)
fi;
fi;
AC_SUBST(compress_eps)
ifelse($#,0,[],$#,1,[
if test "$compress_eps" != "no" ;
then
$1
fi
],$#,2,[
ifelse($1,[],[
if test "$compress_eps" = "no" ;
then
$2
fi
],[
if test "$compress_eps" != "no" ;
then
$1
else
$2
fi
])
])
])
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