maintainer-feedback requested: [Bug 242305] irc/kvirc fail to build on 12.1

[bugzilla-noreply at freebsd.org]

Bugzilla Automation <bugzilla at FreeBSD.org> has asked kde at FreeBSD.org for
maintainer-feedback:
Bug 242305: irc/kvirc fail to build on 12.1
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242305



--- Description ---
12.1 amd64 and i386.

Part of build log:
ld: error: src/kvilib/libkvilib.so.5.0.0: undefined reference to pthread_create
c++: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.
*** Error code 1

But build fine with USE_GCC=yes (lang/gcc9) in irc/kvirc/Makefile.