CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/a6734a937741943adf9540f47f35e20c8311ad87/lib/libusrsctp.so: undefined reference to `pthread_mutex_trylock' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/a6734a937741943adf9540f47f35e20c8311ad87/lib/libusrsctp.so: undefined reference to `pthread_join' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/a6734a937741943adf9540f47f35e20c8311ad87/lib/libusrsctp.so: undefined reference to `pthread_create' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/a6734a937741943adf9540f47f35e20c8311ad87/lib/libusrsctp.so: undefined reference to `pthread_mutexattr_init' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/a6734a937741943adf9540f47f35e20c8311ad87/lib/libusrsctp.so: undefined reference to `pthread_mutexattr_destroy' clang: error: linker command failed with exit code 1 (use -v to see invocation) make[2]: *** [bin/test_package] Error 1 make[1]: *** [CMakeFiles/test_package.dir/all] Error 2 make: *** [all] Error 2 ERROR: usrsctp/0.9.4.0 (test package): Error in build() method, line 13 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4134/14/22c6d155-053b-4646-8ad6-4671148002f9/recipes/usrsctp/all/test_package/build/8a8b78acf21422b64140b4b8784e6fee79240e79' '--' '-j3'