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.startup+0xd): undefined reference to `usrsctp_init' test_package.c:(.text.startup+0x23): undefined reference to `usrsctp_register_address' test_package.c:(.text.startup+0x2a): undefined reference to `usrsctp_deregister_address' test_package.c:(.text.startup+0x4b): undefined reference to `usrsctp_finish' 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 12 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4134/13/9bb4ddf4-934e-4e93-b652-073c6d84eead/recipes/usrsctp/all/test_package/build/f27e8c5d3f982a7ebeae893c0f6febdb74f40a05' '--' '-j3'