CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CONAN_CMAKE_POSITION_INDEPENDENT_CODE CONAN_COMPILER CONAN_COMPILER_VERSION CONAN_CXX_FLAGS CONAN_C_FLAGS CONAN_EXPORTED CONAN_IN_LOCAL_CACHE CONAN_SHARED_LINKER_FLAGS UA_ENABLE_WEBSOCKET_SERVER CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY /home/conan/w/cci_PR-3786/.conan/data/open62541/1.0.3/_/_/package/ca47a8472c9f3d5ab47092424662ce7efac8fbf0/lib/libopen62541.a: error adding symbols: File format not recognized 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: open62541/1.0.3 (test package): Error in build() method, line 12 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3786/27/253099f5-a120-4c93-8c7e-9ae9a227c77b/recipes/open62541/all/test_package/build/55f2dfb8d83e4a2ec7f999497c4e157cf47d12c5' '--' '-j3'