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 /usr/bin/ld: /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/efee74e4461bb4f46f6f78aabb23d49c11c081f7/lib/libusrsctp.so: undefined reference to `pthread_mutex_trylock' /usr/bin/ld: /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/efee74e4461bb4f46f6f78aabb23d49c11c081f7/lib/libusrsctp.so: undefined reference to `pthread_join' /usr/bin/ld: /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/efee74e4461bb4f46f6f78aabb23d49c11c081f7/lib/libusrsctp.so: undefined reference to `pthread_create' /usr/bin/ld: /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/efee74e4461bb4f46f6f78aabb23d49c11c081f7/lib/libusrsctp.so: undefined reference to `pthread_mutexattr_init' /usr/bin/ld: /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/efee74e4461bb4f46f6f78aabb23d49c11c081f7/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]: *** [CMakeFiles/test_package.dir/build.make:104: bin/test_package] Error 1 make[1]: *** [CMakeFiles/Makefile2:95: CMakeFiles/test_package.dir/all] Error 2 make: *** [Makefile:103: 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-4134/14/989d24a5-91fc-47f1-87ad-f49da555a86d/recipes/usrsctp/all/test_package/build/a052ebae73b423435268e637d9d957bda6347250' '--' '-j3'