dnl -*- mode: Autoconf; -*-

dnl ----------------------------------------------------------------------------
dnl --SECTION--                                                    DOCUMENTATION
dnl ----------------------------------------------------------------------------

AC_ARG_WITH(dot,
	    AS_HELP_STRING([--with-dot=DIR], [where the dot executable is located]),
	    tr_DOT_PATH="$withval",
            tr_DOT_PATH="$PATH")

AC_MSG_NOTICE([................................................................................])
AC_MSG_NOTICE([CHECKING FOR DOCUMENTATION UTILS])
AC_MSG_NOTICE([................................................................................])

dnl ----------------------------------------------------------------------------
dnl checks for dot
dnl ----------------------------------------------------------------------------

AC_PATH_PROG([DOT_EXEC], [dot], [], [$tr_DOT_PATH])

if test -n "$DOT_EXEC";  then
  HAVE_DOT="YES"
  DOT_PATH=`dirname "$DOT_EXEC"`
else
  HAVE_DOT="NO"
  DOT_PATH=""
fi

AC_SUBST(HAVE_DOT) dnl for doxygen input file
AC_SUBST(DOT_PATH) dnl for doxygen input file
AC_SUBST(DOT_EXEC)

AM_CONDITIONAL(ENABLE_DOT, test "x$HAVE_DOT" = xYES)

dnl ----------------------------------------------------------------------------
dnl checks for markdown
dnl ----------------------------------------------------------------------------

AC_PATH_PROG([MARKDOWN_EXEC], [markdown], [], [$PATH])

if test -n "$MARKDOWN_EXEC";  then
  HAVE_MARKDOWN="YES"
else
  HAVE_MARKDOWN="NO"
fi

AC_SUBST(MARKDOWN_EXEC)

AM_CONDITIONAL(ENABLE_MARKDOWN, test "x$HAVE_MARKDOWN" = xYES)

dnl ----------------------------------------------------------------------------
dnl checks for html2text
dnl ----------------------------------------------------------------------------

AC_PATH_PROG([HTML2TEXT_EXEC], [html2text], [], [$PATH])

if test -n "$HTML2TEXT_EXEC";  then
  HAVE_HTML2TEXT="YES"
else
  HAVE_HTML2TEXT="NO"
fi

AC_SUBST(HTML2TEXT_EXEC)

AM_CONDITIONAL(ENABLE_HTML2TEXT, test "x$HAVE_HTML2TEXT" = xYES)

dnl ----------------------------------------------------------------------------
dnl informational output
dnl ----------------------------------------------------------------------------

if test "x$HAVE_DOT" = xYES;  then
  BASIC_INFO="$BASIC_INFO|DOT support: enabled ($DOT_EXEC)"
else
  BASIC_INFO="$BASIC_INFO|DOT support: disabled"
fi

if test "x$HAVE_MARKDOWN" = xYES;  then
  BASIC_INFO="$BASIC_INFO|MARKDOWN support: enabled ($MARKDOWN_EXEC)"
else
  BASIC_INFO="$BASIC_INFO|MARKDOWN support: disabled"
fi

if test "x$HAVE_HTML2TEXT" = xYES;  then
  BASIC_INFO="$BASIC_INFO|HTML2TEXT support: enabled ($HTML2TEXT_EXEC)"
else
  BASIC_INFO="$BASIC_INFO|HTML2TEXT support: disabled"
fi

dnl ----------------------------------------------------------------------------
dnl --SECTION--                                                      END-OF-FILE
dnl ----------------------------------------------------------------------------

dnl Local Variables:
dnl mode: outline-minor
dnl outline-regexp: "^\\(dnl --SECTION--\\)"
dnl End: