Hi JonY,

On 19/01/17 01:37, JonY wrote:
> On 01/18/2017 09:48 AM, Thomas Preudhomme wrote:
>> By default, wildcard support on Windows for programs compiled with mingw
>> depends on how the mingw runtime was configured. This means if one wants
>> to build GCC for Windows with a consistent behavior with Wildcard
>> (enabled or disabled) the mingw runtime must be built as well. This
>> patch adds an option to GCC configuration to force the behavior with
>> wildcard when building GCC for Windows host. It does so by setting the
>> _dowildcard variable in the driver to a given value depending on the
>> configure option value (yes or no), thus overriding the variable from
>> mingw runtime.
>>
>> Testing: I've successfully done a build of the arm-none-eabi cross GCC
>> for Windows with Ubuntu system mingw runtime (configured without
>> wildcard support by default) with the three configure options:
>>   1) --enable-wildcard: wildcard can be used successfully and nm of
>> driver-mingw32.o shows that _dowildcard is in .data section
>>   2) --disable-wildcard: wildcard cannot be used and nm of
>> driver-mingw32.o shows that _dowildcard is in .bss section
>>   3) no option: wildcard cannot be used and nm of driver-mingw32.o shows
>> no _dowildcard defined and all sections are empty
>>
>> Is this ok for stage1?
>>
>> Best regards,
>>
>> Thomas
>
> No objections, but documentation should mention that wildcard expansion
> is not handled by the CMD shell on Windows, it is up to individual
> programs to interpret it.

How about the attached updated patch? Here's the associated ChangeLog entry:

2017-01-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>

         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
         * configure: Regenerate.
         * config.in: Regenerate.
         * config/i386/driver-mingw32.c: new file.
         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
         * config.host: Link driver-mingw32.o on MinGW host.
         * doc/install.texi: Document new --enable-mingw-wildcard configure
         option.

Best regards,

Thomas