https://bugs.kde.org/show_bug.cgi?id=504247
Bug ID: 504247
Summary: Error: variable template 'format_kind' declared with
deduced type 'const auto' cannot appear in its own
initializer when building with Clang
Classification: Frameworks and Libraries
Product: frameworks-kwallet
Version: 6.14.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: va...@kde.org
Reporter: m.seyfa...@gmail.com
CC: kdelibs-b...@kde.org
Target Milestone: ---
SUMMARY
Compiling kwallet 6.14 with Clang-21git
(05f1e313948768fdd8527969cd79809cbd0654ff) on CachyOS, I get this compilation
error:
In file included from
/tmp/makepkg/kwallet/src/kwallet-6.14.0/src/runtime/kwalletbackend/cbc.cc:9:
In file included from
/tmp/makepkg/kwallet/src/build/src/runtime/kwalletbackend/kwalletbackend_debug.h:6:
In file included from /usr/include/qt6/QtCore/QLoggingCategory:1:
In file included from /usr/include/qt6/QtCore/qloggingcategory.h:8:
In file included from /usr/include/qt6/QtCore/qdebug.h:14:
In file included from /usr/include/qt6/QtCore/qfloat16.h:14:
In file included from /usr/include/qt6/QtCore/qtformat_impl.h:19:
/usr/lib64/gcc/x86_64-pc-linux-gnu/15.1.1/../../../../include/c++/15.1.1/format:5118:7:
error: variable template 'format_kind' declared with deduced type 'const auto'
cannot appear in its own initializer
5118 | format_kind<_Rg> // you can specialize this for non-const input
ranges
| ^
STEPS TO REPRODUCE
1. Get Clang-21git (05f1e313948768fdd8527969cd79809cbd0654ff)
2. Try to compile kwallet
3. The build will error out around [ 20%] Building CXX object
src/api/KWallet/CMakeFiles/KF6Wallet.dir/KF6Wallet_autogen/mocs_compilation.cpp.o
OBSERVED RESULT
Build failure.
EXPECTED RESULT
Build success.
SOFTWARE/OS VERSIONS
Windows: -
macOS: -
Linux/KDE Plasma:
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.0
ADDITIONAL INFORMATION
CachyOS is on GCC 15.1.1
The build succeeds when using GCC to build the package.
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