12 - CONFIGURE_ARGS='-Uusethreads'
13 - CONFIGURE_ARGS='-Dusethreads'
14 - CONFIGURE_ARGS='-Duselongdouble'
15 - CONFIGURE_ARGS='-Duse64bitall'
16 - CONFIGURE_ARGS='-Dusethreads -Duselongdouble'
17 - CONFIGURE_ARGS='-Dusethreads -Duse64bitall'
18 - CONFIGURE_ARGS='-Dusethreads -Duse64bitall -Duselongdouble'
21 - ./Configure -des -Dusedevel -Uversiononly -Dcc=$CC $CONFIGURE_ARGS -Dprefix=$HOME/perl-blead -DDEBUGGING && TEST_JOBS=4 make -j4 test_harness && make install && $HOME/perl-blead/bin/perlivp