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/391ab395c052d1b00ab8af5fa6c9bde3338f0a93/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/391ab395c052d1b00ab8af5fa6c9bde3338f0a93/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/391ab395c052d1b00ab8af5fa6c9bde3338f0a93/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/391ab395c052d1b00ab8af5fa6c9bde3338f0a93/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/391ab395c052d1b00ab8af5fa6c9bde3338f0a93/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-4134/14/6ce9bd60-d46b-416f-ab25-9c23b513f801/recipes/usrsctp/all/test_package/build/4740b3b1b432794bb964ad846308b043ed8a9d00' '--' '-j3'