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+dnl @synopsis AC_PROG_LATEX
+dnl
+dnl This macro test if latex is installed. If latex is installed, it
+dnl set $latex to the right value
+dnl
+dnl @category LaTeX
+dnl @author Mathieu Boretti <boretti@bss-network.com>
+dnl @version 2005-01-21
+dnl @license GPLWithACException
+
+AC_DEFUN([AC_PROG_LATEX],[
+AC_CHECK_PROGS(latex,[latex elatex lambda],no)
+export latex;
+if test $latex = "no" ;
+then
+ AC_MSG_ERROR([Unable to find a LaTeX application]);
+fi
+AC_SUBST(latex)
+])