Ignoring Boost restriction on optional lvalue assignment from rvalues
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/Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libgtsamDebug.a(Cyclic.cpp.o) has no symbols
/Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: ../../lib/libgtsamDebug.a(Cyclic.cpp.o) has no symbols
/Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: /Users/jenkins/w/cci_PR-3683@2/.conan/data/gtsam/4.0.2/_/_/package/a74168c99f35b92804da79a59d9e3ca1e65bb74a/lib/libgtsamDebug.a(Cyclic.cpp.o) has no symbols
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY