Re: MS-Windows build using Posix configury

[Glenn Morris]

Eli Zaretskii wrote:

>> With things like this, I think it is better to have a single
>> unconditional AH_TEMPLATE that gives the doc string, then as many
>> AC_DEFINEs as needed that just set the value and don't duplicate the doc.
>
> Sorry, I don't follow: what doc is duplicated?  (I'm an autoconf
> newbie.)  Could you show an example of what you suggest?

AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
  a null file, or a data sink.])

if test "${opsys}" = "mingw32"; then
  AC_DEFINE(NULL_DEVICE, ["NUL:"])
else
  AC_DEFINE(NULL_DEVICE, ["/dev/null"])
fi