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Those are flags used for compiling. https://earthly.dev/blog/make-flags/ -j4 indicate you want to compile using 4 cores of your CPU. -l4... I don't know. There is a -l for library but it's usually like -lboost_system with the library name concatenated to the -l. Where do you find that command? Do you have a link to a tutorial?

Those are flags used for compiling. https://earthly.dev/blog/make-flags/ -j4 indicate you want to compile using 4 cores of your CPU. -l4... I don't know. There is a -l for library but it's usually like -lboost_system with the library name concatenated to the -l. Where do you find that command? Do you have a link to a tutorial?

Those are flags used for compiling. https://earthly.dev/blog/make-flags/ compiling.

-j4 indicate you want to compile using 4 cores of your CPU. CPU (https://askubuntu.com/questions/1295713/make-use-of-j-option).

-l4... I don't know. There is a -l for library but it's usually like -lboost_system with the library name concatenated to the -l. -l ( https://earthly.dev/blog/make-flags/). Where do you find that command? Do you have a link to a tutorial?