diff options
Diffstat (limited to 'rt/m4/rt_subst_expanded_arg.m4')
| -rw-r--r-- | rt/m4/rt_subst_expanded_arg.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/rt/m4/rt_subst_expanded_arg.m4 b/rt/m4/rt_subst_expanded_arg.m4 new file mode 100644 index 0000000..02002b0 --- /dev/null +++ b/rt/m4/rt_subst_expanded_arg.m4 @@ -0,0 +1,14 @@ +dnl +dnl @synopsis RT_SUBST_EXPANDED_ARG(var) +dnl +dnl Export (via AC_SUBST) a given variable, along with an expanded +dnl version of the variable (same name, but with exp_ prefix). +dnl +dnl This code is heavily borrowed *cough* from the Apache 2 source. +dnl + +AC_DEFUN([RT_SUBST_EXPANDED_ARG],[ + RT_EXPAND_VAR(exp_$1, [$]$1) + AC_SUBST($1) + AC_SUBST(exp_$1) +]) |