When installing SageMath in Ubuntu 16.04 64 bit, I get the following error message after entering sudo make install:
asked 2016-07-21 23:04:09 -0500
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echo "Experimental use only!" Experimental use only! if [ "" = "" ]; then \ echo >&2 "Set the environment variable DESTDIR to the install path."; \ exit 1; \ fi Set the environment variable DESTDIR to the install path. Makefile:133: recipe for target 'install' failed make: * [install] Error 1