Function powerset

deps/jemalloc/scripts/gen_run_tests.py:22–26

(items)

    make_cmd = 'make'

def powerset(items):
    result = []
    for i in xrange(len(items) + 1):
        result += combinations(items, i)
    return result

possible_compilers = []
for cc, cxx in (['gcc', 'g++'], ['clang', 'clang++']):