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Date:	Sun, 15 Feb 2015 19:41:36 +0100
From:	Thomas Wolff <towo AT towo DOT net>
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To:	cygwin AT cygwin DOT com
Subject:	Re: mintty needs a patch
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Am 15.02.2015 um 10:27 schrieb Corinna Vinschen:
> On Feb 14 23:10, Tony Kelman wrote:
>> I was trying to build mintty from its src package today. As a heads-up
>> for whoever next tries to build the package, I get the following error
>> on either 32 or 64 bit:
>>
>> gcc -c -MMD -MP -DTARGET=x86_64-pc-cygwin -DNDEBUG -std=gnu99 -include std.h
>> -Wall -Wextra -Wundef -Werror -mtune=atom -fomit-frame-pointer -O2 wintext.c
>> windres --preprocessor 'gcc -E -xc -DRC_INVOKED -MMD -MP
>> -DTARGET=x86_64-pc-cygwin -DNDEBUG' res.rc res.o
>> wintext.c: In function ‘win_text’:
>> wintext.c:522:13: error: array subscript is above array bounds
>> [-Werror=array-bounds]
>>    if (!fonts[nfont]) {
>>              ^
>> cc1: all warnings being treated as errors
>> Makefile:117: recipe for target 'wintext.o' failed
>> make: *** [wintext.o] Error 1
>>
>>
>> This can at least be made into a warning by taking off -Werror, but it looks
>> like it might be a real off-by-one. Our neighbors over at MSYS2 have a patch
>> https://github.com/Alexpux/MSYS2-packages/blob/master/mintty/01-array-bounds.patch
>> (the packaging repo there has a BSD 3-clause license) to change FONT_MAXNO
>> in wintext.c from 0x1F to 0x20.
> Sadly the mintty maintainer is AWOL for quite some time.  Would you
> like to take over maintainership?  Given the overall stability of the
> package, maintaining it shouldn't be much of a burden.
I have contributed to mintty before and will look into this issue.
I'd like to discuss further details in PM if you like.
------
Thomas

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