[Flightgear-devel] Linking fgfs fails / libosg.so: undefined reference to `OpenThreads::Thread::CurrentThreadId()'

[jsb <fli...@he...>]

Hi,

just tried to build "next" on Ubuntu 22.04.2 LTS and got this in the end:

[100%] Linking CXX executable fgfs
/usr/bin/ld: warning: libosgDB.so.161, needed by 
/usr/lib/x86_64-linux-gnu/libosgTerrain.so, may conflict with 
libosgDB.so.160
/usr/bin/ld: warning: libosgUtil.so.161, needed by 
/usr/lib/x86_64-linux-gnu/libosgTerrain.so, may conflict with 
libosgUtil.so.160
/usr/bin/ld: warning: libosg.so.161, needed by 
/usr/lib/x86_64-linux-gnu/libosgTerrain.so, may conflict with libosg.so.160
/usr/bin/ld: /usr/lib/x86_64-linux-gnu/libosg.so: undefined reference to 
`OpenThreads::Thread::CurrentThreadId()'
collect2: error: ld returned 1 exit status
make[2]: *** [src/Main/CMakeFiles/fgfs.dir/build.make:1247: 
src/Main/fgfs] Error 1
make[1]: *** [CMakeFiles/Makefile2:2553: 
src/Main/CMakeFiles/fgfs.dir/all] Error 2
make: *** [Makefile:166: all] Error 2

Any ideas?

Kind regards

Henning