Re: [BUG] Package mingw64-x86_64-icu is broken

[JonY <10walls@gmail.com>]

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On 06/19/2018 10:18 AM, Stefan Weil wrote:
> Am 19.06.2018 um 11:53 schrieb JonY:
>> On 06/18/2018 12:12 PM, Stefan Weil wrote:
>>> Am 06.06.2018 um 21:13 schrieb Stefan Weil:
>>>> Both mingw64-x86_64-icu-57.1-1 and mingw64-x86_64-icu-57.1-2 are broken:
>>>>
>>>> This code always fails:
>>>>
>>>> icu::Normalizer2::getInstance(nullptr, "nfkc", UNORM2_COMPOSE, error_code);
>>>>
>>>> The problem was detected when comparing Tesseract for Windows
>>>> executables: while the 32 bit version worked fine, the 64 bit version
>>>> failed. The failure could be localized, and the mingw64-x86_64-icu
>>>> package was identified to be causing it.
>>>>
>>>> https://github.com/tesseract-ocr/tesseract/issues/1625#issuecomment-395161152
>>>> contains details and also a short test code which can be used to
>>>> reproduce the problem.
>>>>
>>>> The 32 bit package mingw64-i686-icu-57.1-2 works fine.
>>>>
>>>> Kind regards
>>>> Stefan Weil
>>>
>>> Ping. How can I help to get this issue fixed?
>>
>> I noticed cygport is using llvm version of binutils, not sure if that
>> broke things.
>>
>> Was the issue there if you built it yourself with gcc/binutils?
> 
> 
> No, a local build with x86_64-w64-mingw32-gcc works fine.
> Tested with 57.1-2, but also with recent versions of icu.
> 
> A good indicator of a broken installation is a small icudata57.dll:
> 
> $ ls -l /usr/*/sys-root/mingw/bin/icudata57.dll
> -rwxr-xr-x 1 25680896 Nov 10  2016
> /usr/i686-w64-mingw32/sys-root/mingw/bin/icudata57.dll
> -rwxr-xr-x 1    15872 Nov 10  2016
> /usr/x86_64-w64-mingw32/sys-root/mingw/bin/icudata57.dll
> 
> The (good) file for 32 bit is much larger than the (broken) file for 64 bit.
> 
The cygport post-install debug strip is probably stripping too much.
Whoever the maintainer of this package can do a test rebuild with llvm-*
binutils temporarily moved away as a test if Cygport is used.


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