These tools are copies of bison/flex and are no longer needed.

Change-Id: Ia543926ee8126358beee2aed03752d9cfe803f07
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

The win_flex/win_bison tools are already in the repository and working
with all projects, so the GnuWin32 versions can be removed and the
winflexbison versions can take their place.

Task-number: QTBUG-46852
Change-Id: I41bc541adab834ff83912d7a4f076a87fc174601
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>

This fixes failed execution when the Qt sources are exported to
Windows over a network share or attempted to be executed on a Linux
system using binfmt.

Change-Id: I00b1073e516d2441498a39cc13e4295484e1ef9d
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

This version is required by upstream ANGLE. win_bison conveniently uses a
different executable name as the existing bison copy, avoiding conflicts.

Change-Id: I2897ce97aef6795933d3ab8b5570a8494a55523e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

This fixes compilation on Windows XP.
The previous binary must have been made with a more recent
version of Windows.

Change-Id: I17f392069199f01d603524c8166d940ff1da93bb
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

The parallel builds aborts because parallel execution of flex breaks
due to the usage of the same temporary file names. This stems from
using a hard coded temp file name "~flex_temp_out_main" and
"random numbers" based on constants in mkstempFILE.

Fixing those issues by embedding the current PID into the temp file
names. Patch is in gnuwin32/patches/win_flex.patch

Change-Id: I6c0cd499b3c9c35128280ec0fee5e450a9ca097f
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

The latest builds of ANGLE in WebKit require a version of flex that is newer
than what GnuWin32 can provide. The only distribution I've found that doesn't
pull in all of CygWin is winflexbison.

This patch adds the binary of it along with a README explaining the purpose
of this gnuwin32 directory altogether.

Change-Id: Ia00fa5d628891c9d4c30586f42274c7c602362ce
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>