2 dnl @synopsis RT_SUBST_EXPANDED_ARG(var)
4 dnl Export (via AC_SUBST) a given variable, along with an expanded
5 dnl version of the variable (same name, but with exp_ prefix).
7 dnl This code is heavily borrowed *cough* from the Apache 2 source.
10 AC_DEFUN([RT_SUBST_EXPANDED_ARG],[
11 RT_EXPAND_VAR(exp_$1, [$]$1)