AC_LATEX_PACKAGE_OPT(<package>,<class>,<variable>,<option>)
, 
Mathieu Boretti <boretti@eig.unige.ch>
GPLWithACException 
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. 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
cryp.to ac-archive's Obsoleted (obsoleted)
Internal macro for other LaTeX-related tests.
AC_DEFUN([_AC_LATEX_TEST],[
AC_REQUIRE([AC_PROG_LATEX])
rm -rf .tmps_latex
mkdir .tmps_latex
cd .tmps_latex
ifelse($#,2,[
$2="no"; export $2;
cat > testconf.tex << \EOF
$1
EOF
],$#,3,[
echo "\\documentclass{$3}" > testconf.tex
cat >> testconf.tex << \EOF
$1
EOF
],$#,4,[
echo "\\documentclass{$3}" > testconf.tex
echo "\\usepackage{$4}" > testconf.tex
cat >> testconf.tex << \EOF
$1
])
cat testconf.tex | $latex 2>&1 1>/dev/null && $2=yes; export $2;
cd ..
rm -rf .tmps_latex
])