[Buildroot] [PATCH 1/1] package/qt5/qt5base: fix build with gcc 11

[Peter Seiderer <ps.report@gmx.net>]

Hello Bartosz, Maxim,

On Fri, 2 Jul 2021 10:15:42 +0200, Bartosz Bilas <b.bilas@grinn-global.com> wrote:

> Hello Maxim,
> 
> I was about to send the same patch but it turned out that there are more 
> files that have missing includes of this header such as 
> qoffsetstringarray_p.h, see below:
> 
> ../../../include/QtCore/5.15.2/QtCore/private/../../../../../src/corelib/tools/qoffsetstringarray_p.h:70:22: 
> error: ?numeric_limits? is not a member of ?std?
>  ?? 70 |???????? Last <= std::numeric_limits<quint8>::max(),
>  ????? |????????????????????? ^~~~~~~~~~~~~~
> ../../../include/QtCore/5.15.2/QtCore/private/../../../../../src/corelib/tools/qoffsetstringarray_p.h:70:43: 
> error: wrong number of template arguments (1, should be 3)
>  ?? 70 |???????? Last <= std::numeric_limits<quint8>::max(),
> 
> Maybe it would be better to combine all of these patches that fix build 
> for gcc11 into one patch and rebase it when something new will occur?

Disagree here, prefer one package patch per upstream patch as it is easier to
keep track of the upstream relation/credits etc.

This one seems sufficient to fix the qt6base host-gcc-11 compile, so this one
has a justification on its own right and you can add my

Tested-by: Peter Seiderer <ps.report@gmx.net>

@Bartek: You see more compile failures? Host-build/Host-gcc-11 related ones
or target-build/target-gcc-11 related ones? Feel free to add related
patches/fixes...

Regards,
Peter


> 
> Best
> Bartek
> On 02.07.2021 10:02, Maxim Kochetkov via buildroot wrote:
> > Fix the following build failure with gcc 11:
> >
> > text/qbytearraymatcher.h:103:38: error: 'numeric_limits' is not a member of 'std'
> >    103 |         const auto uchar_max = (std::numeric_limits<uchar>::max)();
> >        |                                      ^~~~~~~~~~~~~~
> >
> > Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
> > ---
> >   .../qt5base/0007-Build-fixes-for-GCC-11.patch | 61 +++++++++++++++++++
> >   1 file changed, 61 insertions(+)
> >   create mode 100644 package/qt5/qt5base/0007-Build-fixes-for-GCC-11.patch
> >
> > diff --git a/package/qt5/qt5base/0007-Build-fixes-for-GCC-11.patch b/package/qt5/qt5base/0007-Build-fixes-for-GCC-11.patch
> > new file mode 100644
> > index 0000000000..0a7eda478e
> > --- /dev/null
> > +++ b/package/qt5/qt5base/0007-Build-fixes-for-GCC-11.patch
> > @@ -0,0 +1,61 @@
> > +From 7f4717b06cacc1a74d5c63dcb41b32e9e2224f4f Mon Sep 17 00:00:00 2001
> > +From: Ville Voutilainen <ville.voutilainen@qt.io>
> > +Date: Mon, 18 Jan 2021 09:58:17 +0200
> > +Subject: [PATCH 1/1] Build fixes for GCC 11
> > +
> > +Task-number: QTBUG-89977
> > +Change-Id: Ic1b7ddbffb8a0a00f8c621d09a868f1d94a52c21
> > +Reviewed-by: Lars Knoll <lars.knoll@qt.io>
> > +Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
> > +[Retrieved (and backported) from:
> > +https://github.com/qt/qtbase/commit/813a928c7c3cf98670b6043149880ed5c955efb9]
> > +Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
> > +---
> > + src/corelib/text/qbytearraymatcher.h     | 2 ++
> > + src/corelib/tools/qsharedpointer_impl.h  | 3 ---
> > + src/plugins/platforms/xcb/qxcbwindow.cpp | 2 +-
> > + 3 files changed, 3 insertions(+), 4 deletions(-)
> > +
> > +diff --git a/src/corelib/text/qbytearraymatcher.h b/src/corelib/text/qbytearraymatcher.h
> > +index 0eedfc1d20..f5f9bef7b8 100644
> > +--- a/src/corelib/text/qbytearraymatcher.h
> > ++++ b/src/corelib/text/qbytearraymatcher.h
> > +@@ -42,6 +42,8 @@
> > +
> > + #include <QtCore/qbytearray.h>
> > +
> > ++#include <limits>
> > ++
> > + QT_BEGIN_NAMESPACE
> > +
> > +
> > +diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
> > +index 790c187cb9..4aee98af53 100644
> > +--- a/src/corelib/tools/qsharedpointer_impl.h
> > ++++ b/src/corelib/tools/qsharedpointer_impl.h
> > +@@ -155,9 +155,6 @@ namespace QtSharedPointer {
> > + #endif
> > +         inline void checkQObjectShared(...) { }
> > +         inline void setQObjectShared(...) { }
> > +-
> > +-        inline void operator delete(void *ptr) { ::operator delete(ptr); }
> > +-        inline void operator delete(void *, void *) { }
> > +     };
> > +     // sizeof(ExternalRefCountData) = 12 (32-bit) / 16 (64-bit)
> > +
> > +diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
> > +index 9e7e1a5572..f0866a90ac 100644
> > +--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
> > ++++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
> > +@@ -698,7 +698,7 @@ void QXcbWindow::show()
> > +         if (isTransient(window())) {
> > +             const QWindow *tp = window()->transientParent();
> > +             if (tp && tp->handle())
> > +-                transientXcbParent = static_cast<const QXcbWindow *>(tp->handle())->winId();
> > ++                transientXcbParent = tp->handle()->winId();
> > +             // Default to client leader if there is no transient parent, else modal dialogs can
> > +             // be hidden by their parents.
> > +             if (!transientXcbParent)
> > +--
> > +2.31.1
> > +