https://bugs.kde.org/show_bug.cgi?id=475780
--- Comment #2 from Piotr Trojanek ---
(In reply to Paul Floyd from comment #1)
> Which version of libc is this with?
$ ldd --version | head -n 1
ldd (Debian GLIBC 2.31-13+deb11u7) 2.31
> Do you also get the problem if you don't use -Wl
https://bugs.kde.org/show_bug.cgi?id=475780
Bug ID: 475780
Summary: helgrind and drd: undefined symbol for shared library
which calls pthread_mutex_init with attribute
Classification: Developer tools
Product: valgrind
Version: