Re: Lay groundwork for exec. ext. support

[Akim Demaille]

| On Mon, Jun 18, 2001 at 06:34:05PM +0200, Tim Van Holder wrote:
| : I'd like to see this included in 2.51 as groundwork for
| : a working solution in 2.52.  It should not affect any
| : existing scripts (I think).
| 
| Using something like
| 
|   ac_executable_forms='${base} ${base}.exe ${base}.com' 
| 
|   base=perl eval ac_candidates=\"$ac_executable_forms\"
|   for ac_candidate in $ac_candidates; do
|     ...
|   done
| 
| is more flexible than
| 
|   for ac_exec_ext in '' $ac_executable_extensions; do
|     ...
|   done
| 
| I can't think of a platform where it is necessary right now though,
| but more flexibility never hurts and it avoids the '' special case
| you use.

I'm not found of eval :(

Why not including '' in the list?  And define

: ${ac_executable_forms="''"}

in the DEFAULT section?