This teaches AddExternalProject to run "$(MAKE)" for build and install steps of CMake-based external projects when using a Makefile generator. It allows the external project to participate in a parallel make invoked on the superproject.
This teaches AddExternalProject to run "$(MAKE)" for build and install steps of CMake-based external projects when using a Makefile generator. It allows the external project to participate in a parallel make invoked on the superproject.