common_targets = {"klmalloc" : ("", "targets/libklmalloc.so"),
                  "libc" : ("", ""), # libc
                  "tcmalloc" : ("", "targets/libtcmalloc.so"),
                  "jemalloc" : ("", "targets/libjemalloc.so"),
                  "hoard"    : ("", "targets/libhoard.so")}