INN_PATH_PROG_ENSURE and AC_PROG_*

[Julien ÉLIE]

Hi Russ,

> We could probably replace the current INN_PATH_PROG_ENSURE calls with
> something that calls the above and then fails if the output variable
> isn't set.

Done.  It is called after AC_PROG_*.

-[AC_PATH_PROG([$1], [$2])
+[if test x"${$1}" = x ; then
+    AC_PATH_PROG([$1], [$2])
+fi
 if test x"${$1}" = x ; then
     AC_MSG_ERROR([$2 was not found in path and is required])
 fi])


I have also updated install-sh to a more recent version and backported
the changes made for INN in that file.

I hope you're fine (long time no blog!).

-- 
Julien ÉLIE

« -- C'est une bonne situation ça, scribe ?
  -- Oh, c'est une situation assise. » (Astérix)