https://bugs.kde.org/show_bug.cgi?id=482524
Bug ID: 482524
Summary: dolphin svn plugin: ODR violations when building with
LTO
Classification: Applications
Product: dolphin
Version: 23.08.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: plugins: svn
Assignee: sebast...@sebastian-doerner.de
Reporter: bugs.kde....@e3q.eu
CC: kfm-de...@kde.org
Target Milestone: ---
SUMMARY
When compiling the dolphin svn plugin with LTO enabled (compiler flag:
-flto=auto) and treating some LTO-problematic warnings as errors (compiler
flags: -Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing), the
build fails as follows:
```
/var/tmp/portage/kde-apps/dolphin-plugins-subversion-23.08.5/work/dolphin-plugins-23.08.5/svn/svncommitdialog.cpp:70:6:
error: type ‘columns_t’ violates the C++ One Definition Rule [-Werror=odr]
70 | enum columns_t {
| ^
/var/tmp/portage/kde-apps/dolphin-plugins-subversion-23.08.5/work/dolphin-plugins-23.08.5/svn/svnlogdialog.cpp:67:6:
note: an enum with different value name is defined in another translation unit
67 | enum columns_t {
| ^
/var/tmp/portage/kde-apps/dolphin-plugins-subversion-23.08.5/work/dolphin-plugins-23.08.5/svn/svncommitdialog.cpp:71:5:
note: name ‘columnPath’ differs from name ‘columnRevision’ defined in another
translation unit
71 | columnPath,
| ^
/var/tmp/portage/kde-apps/dolphin-plugins-subversion-23.08.5/work/dolphin-plugins-23.08.5/svn/svnlogdialog.cpp:68:5:
note: mismatching definition
68 | columnRevision,
| ^
lto1: some warnings being treated as errors
lto-wrapper: fatal error: /usr/bin/x86_64-pc-linux-gnu-g++ returned 1 exit
status
compilation terminated.
```
SOFTWARE/OS VERSIONS
Linux: 6.6.13-gentoo-a #1 SMP
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12
GCC: 13.2.1_p20240113
ADDITIONAL INFORMATION
Downstream bug: https://bugs.gentoo.org/926233
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