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/fbf73d511eca3bcd2412ce823d2b4b46f91feef8/lib/libusrsctp.so: undefined reference to `pthread_mutex_trylock' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/fbf73d511eca3bcd2412ce823d2b4b46f91feef8/lib/libusrsctp.so: undefined reference to `pthread_join' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/fbf73d511eca3bcd2412ce823d2b4b46f91feef8/lib/libusrsctp.so: undefined reference to `pthread_create' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/fbf73d511eca3bcd2412ce823d2b4b46f91feef8/lib/libusrsctp.so: undefined reference to `pthread_mutexattr_init' /home/conan/w/cci_PR-4134/.conan/data/usrsctp/0.9.4.0/_/_/package/fbf73d511eca3bcd2412ce823d2b4b46f91feef8/lib/libusrsctp.so: undefined reference to `pthread_mutexattr_destroy' collect2: error: ld returned 1 exit status 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-4134/14/73b1e353-4d61-4874-8713-6b889d21fd2c/recipes/usrsctp/all/test_package/build/3fe3f092feeb0e8d1421a66b51a60761e13938b1' '--' '-j3'