AC_PATH_PROG(LATEX, latex, "")
AC_PATH_PROG(PDFLATEX, pdflatex, "")
AC_PATH_PROG(MAKEINDEX, makeindex, "")
AC_PATH_PROG(DVIPS, dvips, "")
AC_PATH_PROG(LATEX, latex, "")
AC_PATH_PROG(PDFLATEX, pdflatex, "")
AC_PATH_PROG(MAKEINDEX, makeindex, "")
AC_PATH_PROG(DVIPS, dvips, "")