These are the standard GNU make variables that distributions expect to be able to set
(https://www.gnu.org/prep/standards/html_node/Directory-Variables.html). Since Julia supports the same variables and passes them during the build, this ensures that libblastrampoline.so is installed to the right directory (in particular to usr/lib64 where appropriate).
These are the standard GNU make variables that distributions expect to be able to set (https://www.gnu.org/prep/standards/html_node/Directory-Variables.html). Since Julia supports the same variables and passes them during the build, this ensures that libblastrampoline.so is installed to the right directory (in particular to usr/lib64 where appropriate).