configure -host=darwin -prefix=/path/to/concorde –with-cplex=/path/to/concorde It gives a warning saying it doesn’t know what “darwin” is on my machine, but won’t run without it ¯\_(ツ)_/¯ (see this post by one of the designers of Concorde) In “concorde/TSP/tsp_call.c” at line 479, change the 0 to a 1 In “concorde/LP/lpcplex8.c” after #undef CC_CPLEX_DISPLAY add: #ifndef CPX_PARAM_FASTMIP In “concorde/TSP/Makefile.in” change LIBFLAGS to: LIBFLAGS = -lpthread -ldl In “concorde/Makefile.in” change LIBFLAGS to: Note: this is done inside the Concorde directory. Ln -s /path/to/cplex/lib/x86-64_osx/static_pic/libcplex.a. Ln -s /path/to/cplex/include/ilcplex/*.h. On my machine, this looks something like: For example, it was made to run with CPLEX 8 but the current CPLEX version on my machine is 12.10! Now, on to the actual installation details. The only problem is that one must install it separately and since Concorde was last updated in 2003, some things don’t work quite as easily as we would like. Second: Concorde is what the TSP package in R calls state of the art for getting an exact solution to the Traveling Salesman Problem. I guess the idea is to hook us so that we pay when we leave or convince our organizations to pay for a license when we leave. If this means nothing to you, click away!įirst: CPLEX is a commercial linear programming solver available free for the academic community. Long time no post and, unfortunately for the casual reader, this post is mostly describing how to install Concorde optimizer for the Traveling Salesman Problem (TSP) with Mac OS Catalina using the CPLEX backend.
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