XCode do not support object library with several file with the same name since it use a flat directory, Xcode "fix" using a UID but CMake can't catch it. math_opt also use a parameters.proto which conflict with the glop/parameters.proto -> need to split the proto to .cc generation in two libraries
<summary> Various utilities to be used by libraries </summary> This directory contains various utilities needed by the operations research libraries. - const_int_array.h : A read-only container of integer values. - const_ptr_array.h : A read-only container of pointers.