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Tim Blechmann 1e5892f74a core/gui: fix odr violation

When linking Qt statically, QtCore and QtGui are not separated into
different DSOs.
when both statically linked versions of QtCore and QtGui are linked into
the same binary with LTO, gcc emits:

```
/usr/src/debug/qtbase/6.3.0-r0/git/src/gui/painting/qicc.cpp:105:
warning: type ‘Tag’ violates the C++ One Definition Rule [-Wodr]
/usr/src/debug/qtbase/6.3.0-r0/git/src/corelib/kernel/qtranslator.cpp:78:
note: an enum with different value name is defined in another
translation unit
/usr/src/debug/qtbase/6.3.0-r0/git/src/gui/painting/qicc.cpp:106: note:
name ‘acsp’ differs from name ‘Tag_End’ defined in another translation
unit
/usr/src/debug/qtbase/6.3.0-r0/git/src/corelib/kernel/qtranslator.cpp:78:
note: mismatching definition
```

we therefore define the `struct Tag` in an anonymous namespace or the
QIcc namespace

Change-Id: Ib4edeede35c51322ab1959d70fb87359b196e59b
Pick-to: 6.6 6.5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 6b13e0ca593592b34ea34837335db0d5cefdf630)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2024-02-06 05:03:19 +00:00

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