13 - PERL_BUILD_PACKAGING=1
15 - CONFIGURE_ARGS='-Uusethreads'
16 - CONFIGURE_ARGS='-Dusethreads'
26 - ./Configure -des -Dusedevel -Uversiononly -Dcc=$CC $CONFIGURE_ARGS -Dprefix=$HOME/perl-blead -DDEBUGGING && TEST_JOBS=8 make -j8 test_harness_notty && make -j8 install && $HOME/perl-blead/bin/perlivp