dnl $Id: acinclude.m4,v 1.2 2005/01/10 11:21:40 blues Exp $
dnl ---------------------------------------------------------------
dnl AC_DEFINE_DIR(VARNAME, DIR)

dnl defines (with AC_DEFINE) VARNAME to the expansion of the DIR
dnl variable, expanding ${prefix} and such
dnl example: AC_DEFINE_DIR(DATADIR, datadir)
dnl by Alexandre Oliva <oliva@dcc.unicamp.br>

AC_DEFUN([AC_DEFINE_DIR], [
	ac_expanded=`(
		test "x$prefix" = xNONE && prefix="$ac_default_prefix"
		test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
		eval echo \""[$]$2"\"
	)`
	AC_DEFINE_UNQUOTED($1, "$ac_expanded")
])