On Sun, Nov 11, 2012 at 07:17:20PM -0500, Mark Levedahl wrote:

> The cygwin project recently switched to a new implementation of the
> windows api, now using header files from the mingw-64 project. These
> new header files are incompatible with the way cygwin.c included the
> old headers: cygwin.c can be compiled using the new or the older (mingw)
> headers, but different files must be included in different order for each
> to work. The new headers are in use only for the current release series
> (based upon the v1.7.x dll version). The previous release series using
> the v1.5 dll is kept available but unmaintained for use on older versions
> of Windows. So, patch cygwin.c to use the new include ordering only if
> the dll version is 1.7 or higher.

I have very little knowledge of cygwin compatibility, so thanks for a
nice explanation.  I'll queue it in 'pu' for now, and hopefully we can
get some test reports from other cygwin folks (on new and old cygwin).

> diff --git a/Makefile b/Makefile
> index f69979e..1cc5d96 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1082,6 +1082,7 @@ ifeq ($(uname_O),Cygwin)
>               NO_SYMLINK_HEAD = YesPlease
>               NO_IPV6 = YesPlease
>               OLD_ICONV = UnfortunatelyYes
> +             V15_MINGW_HEADERS = YesPlease
>       endif

The "if" part of the conditional that did not make it into the context
above is an expr match for "1.6.*" From the name, I would think that we
would want to use these headers on cygwin 1.5.* , too. Is v1.5 too old
to care about now?

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