https://bugs.kde.org/show_bug.cgi?id=480522
Bug ID: 480522
Summary: kdeconnect plasmoid fails to compile with LTO enabled
Classification: Applications
Product: kdeconnect
Version: 23.08.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: plasmoid
Assignee: albertv...@gmail.com
Reporter: bugs.kde....@e3q.eu
Target Milestone: ---
SUMMARY
kdeconnect does not compile with LTO enabled [lto-type-mismatch warnings as
errors]:
---
/var/tmp/portage/kde-misc/kdeconnect-23.08.4/work/kdeconnect-kde-23.08.4/smsapp/gsmasciimap.h:10:13:
error: type of ‘gsm_ascii_map’ does not match original declaration
[-Werror=lto-type-mismatch]
10 | extern bool gsm_ascii_map[128];
| ^
/var/tmp/portage/kde-misc/kdeconnect-23.08.4/work/kdeconnect-kde-23.08.4/smsapp/gsmasciimap.cpp:12:6:
note: array types have different bounds
12 | bool gsm_ascii_map[] = {
| ^
/var/tmp/portage/kde-misc/kdeconnect-23.08.4/work/kdeconnect-kde-23.08.4/smsapp/gsmasciimap.cpp:12:6:
note: ‘gsm_ascii_map’ was previously declared here
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.
---
STEPS TO REPRODUCE
1. compile with LTO enabled and warnings that indicate LTO-unsafe constructs
promoted to errors (see at end of report)
OBSERVED RESULT
Compile fails
EXPECTED RESULT
Compile succeeds
SOFTWARE/OS VERSIONS
GCC: 13.2.1_p20240113
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.113.0
Qt Version: 5.15.12
ADDITIONAL INFORMATION
Downstream bug report: https://bugs.gentoo.org/921648
GCC flags used:
WARNING_FLAGS="-Werror=odr -Werror=lto-type-mismatch -Werror=strict-aliasing"
COMMON_FLAGS="-march=native -O2 -pipe -flto=auto ${WARNING_FLAGS}"
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