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Date:	Wed, 15 Dec 2021 21:45:54 +0900 (JST)
From:	Tatsuro MATSUOKA <tmacchant2 AT yahoo DOT co DOT jp>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Message-ID:	<274800034.40172.1639572354896.JavaMail.yahoo@mail.yahoo.co.jp>
Subject:	Re: cygport qt5-base.cygport compile fails
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Reply-To:	Tatsuro MATSUOKA <matsuoka AT nuce DOT nagoya-u DOT ac DOT jp>
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> ----- Original Message -----
> On 15.12.2021 04:48, Tatsuro MATSUOKA wrote:
> >   cygport qt5-base.cygport compile fails
> > 
> > $ cygport qt5-base.cygport compile
> >>>> Compiling qt5-base-5.9.4-2.x86_64
> > Preparing build tree...
> > Creating qmake...
> > In file included from /usr/src/qt5-base-5.9.4-2.src/qt5-base-5.9.4-2.x86_64/src/qtbase-opensource-src-5.9.4/src/corelib/tools/qbytearray.cpp:42:
> > /usr/src/qt5-base-5.9.4-2.src/qt5-base-5.9.4-2.x86_64/src/qtbase-opensource-src-5.9.4/src/corelib/tools/qbytearraymatcher.h: In static member function ‘static QStaticByteArrayMatcherBase::Skiptable QStaticByteArrayMatcherBase::generate(const char*, uint)’:
> > /usr/src/qt5-base-5.9.4-2.src/qt5-base-5.9.4-2.x86_64/src/qtbase-opensource-src-5.9.4/src/corelib/tools/qbytearraymatcher.h:103:38: error: ‘numeric_limits’ is not a member of ‘std’
> >    103 |         const auto uchar_max = (std::numeric_limits<uchar>::max)();
> >        |                                      ^~~~~~~~~~~~~~
> > /usr/src/qt5-base-5.9.4-2.src/qt5-base-5.9.4-2.x86_64/src/qtbase-opensource-src-5.9.4/src/corelib/tools/qbytearraymatcher.h:103:58: error: expected primary-expression before ‘>’ token
> >    103 |         const auto uchar_max = (std::numeric_limits<uchar>::max)();
> >        |                                                          ^
> > /usr/src/qt5-base-5.9.4-2.src/qt5-base-5.9.4-2.x86_64/src/qtbase-opensource-src-5.9.4/src/corelib/tools/qbytearraymatcher.h:103:61: error: ‘::max’ has not been declared; did you mean ‘std::max’?
> >    103 |         const auto uchar_max = (std::numeric_limits<uchar>::max)();
> >        |                                                             ^~~
> >        |                                                             std::max
> 
> Hi Tatsuro,
> 
> no idea, but I saw the same trying to build 5.12.12 recently.
> However I have not see it in February when I was trying some patches
> from Achim
> 
> 
> I guess something is changed on handling
>     std::numeric_limits<uchar>::max
> on our C++ compiler.
> 
> The documentation
> https://www.cplusplus.com/reference/limits/numeric_limits/
> 
> just reported only an expansion on C++11, but maybe something
> in Cygwin is triggering a fault
> 
> Marco
> 
I mis-magaged the thread. I have sent the reply to the different thread.
Sorry for my mistake.

Hello Marco 

Thank for infomation.
I would like to use Qt terminal on Cygwin. 
Unofficial workround exists for Qt.
Anyway I will use wxterminal instead for the moment.

Tatsuro


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