=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Building for ruby32-rcsparse-0.0.0.47
compiling rcsparse.c
rcsparse.c:363:14: warning: variable 'endpos' set but not used [-Wunused-but-set-variable]
        char *pos, *endpos;
                    ^
1 warning generated.
compiling rb-rcsparse.c
rb-rcsparse.c:35:9: warning: implicit declaration of function 'rb_tainted_str_new' is invalid in C99 [-Wimplicit-function-declaration]
        return rb_tainted_str_new(tok->str, tok->len);
               ^
rb-rcsparse.c:43:9: warning: implicit declaration of function 'rb_tainted_str_new' is invalid in C99 [-Wimplicit-function-declaration]
        return rb_tainted_str_new(tok->str, tok->len);
               ^
rb-rcsparse.c:336:8: warning: implicit declaration of function 'rb_tainted_str_new' is invalid in C99 [-Wimplicit-function-declaration]
        ret = rb_tainted_str_new(data, len);
              ^
rb-rcsparse.c:357:8: warning: implicit declaration of function 'rb_tainted_str_new2' is invalid in C99 [-Wimplicit-function-declaration]
        ret = rb_tainted_str_new2(rev);
              ^
rb-rcsparse.c:373:8: warning: implicit declaration of function 'rb_tainted_str_new2' is invalid in C99 [-Wimplicit-function-declaration]
        ret = rb_tainted_str_new2(data);
              ^
5 warnings generated.
linking shared-object rcsfile.bundle
Undefined symbols for architecture arm64:
  "_rb_tainted_str_new", referenced from:
      _rb_rcsfile_head in rb-rcsparse.o
      _rb_rcsfile_branch in rb-rcsparse.o
      _rb_rcsfile_access in rb-rcsparse.o
      _rb_rcsfile_symbols in rb-rcsparse.o
      _rb_rcsfile_locks in rb-rcsparse.o
      _rb_rcsfile_comment in rb-rcsparse.o
      _rb_rcsfile_expand in rb-rcsparse.o
      ...
  "_rb_tainted_str_new2", referenced from:
      _rb_rcsfile_resolve_sym in rb-rcsparse.o
      _rb_rcsfile_getlog in rb-rcsparse.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
*** [rcsfile.bundle] Error code 1 (ignored)