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I want to run my make with -j8 if I’m not using distcc, but -j40 if distcc is enabled.
If I don’t figure out whether or not I can use distcc until deep in the execution of the makefile, is there a way to change the -j factor at that late date? Or do I have to make the decision in a wrapper script before I invoke make? (I really don’t want to run make recursively, with a different -j factor in the sub-make).
There’s no way to change the number of jobs on the fly. The jobserver is configured right at the beginning of make, and it’s not possible to reconfigure it with a different size without restarting make.