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 CMakeFiles/test_package.dir/test_package.c.o: In function `main': test_package.c:(.text+0x8): undefined reference to `usrsctp_init' test_package.c:(.text+0x23): undefined reference to `usrsctp_register_address' test_package.c:(.text+0x2a): undefined reference to `usrsctp_deregister_address' test_package.c:(.text+0x3e): undefined reference to `usrsctp_finish' test_package.c:(.text+0x5b): undefined reference to `usrsctp_finish' 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 12 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4134/12/9a9b7837-17e7-40de-a86c-c96acf30153c/recipes/usrsctp/all/test_package/build/dcd21815bbd6215059a3b76b516b0602ca7c2ee7' '--' '-j3'