[Patch, libfortran] PR 40812 Large file support on MinGW

[Jerry DeLisle]

On 12/01/2009 10:57 AM, Janne Blomqvist wrote:
> On Tue, Dec 1, 2009 at 20:18, Janne Blomqvist<blomqvist.janne@gmail.com>  wrote:
>> Hi,
>>
>> the attached patch should make gfortran support>  2 GB files on MinGW.
>> I don't have a windows installation to test on, so I don't know if
>> this works or not. Though I regtested on x86_64-unknown-linux-gnu to
>> make sure that non-MinGW targets didn't change (it's all behind
>> #ifdefs, but just to be sure).
>>
>> Another caveat is that it uses features from the Win32 API that
>> according to MSDN are available only as of w2k and newer, so with this
>> patch we effectively drop support for pre-w2k targets on MinGW. I
>> don't know if anybody cares about such platforms any longer, if so
>> maybe the interested party could step up to the plate and contribute
>> some configure checks or somesuch so that we could fall back to the
>> old ftruncate or chsize functions?
>>
>> Ok for trunk?
>>
--- snip ---

I have not had a chance to review closely yet.  I would like to get some real 
test results from a MinGW maintainer to confirm before we proceed with this.

Jerry