CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf-lite.a(io_win32.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf-lite.a(io_win32.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf.a(io_win32.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf.a(gzip_stream.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf.a(error_listener.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf.a(io_win32.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf.a(gzip_stream.cc.o) has no symbols /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libprotobuf.a(error_listener.cc.o) has no symbols make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc.o] Terminated: 15 make[2]: *** Waiting for unfinished jobs.... make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/objectivec/objectivec_message.cc.o] Terminated: 15 make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/objectivec/objectivec_primitive_field.cc.o] Terminated: 15 make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/php/php_generator.cc.o] Terminated: 15 make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/plugin.cc.o] Terminated: 15 make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/plugin.pb.cc.o] Terminated: 15 make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/__/src/google/protobuf/compiler/python/python_generator.cc.o] Terminated: 15 make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotoc.dir/all] Terminated: 15 make: *** [all] Terminated: 15 protobuf/3.11.4: ERROR: Package 'd8916f6016f745b1163b85952f5e984556ca5311' build failed protobuf/3.11.4: WARN: Build folder /Users/jenkins/w/cci_PR-2037@3/.conan/data/protobuf/3.11.4/_/_/build/d8916f6016f745b1163b85952f5e984556ca5311 ERROR: protobuf/3.11.4: Error in build() method, line 102 cmake.build() ConanException: Error -15 while executing cmake --build '/Users/jenkins/w/cci_PR-2037@3/.conan/data/protobuf/3.11.4/_/_/build/d8916f6016f745b1163b85952f5e984556ca5311/build_subfolder' '--' '-j8'