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
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