./configure --disable-debugger --disable-debug-runtime --disable-ocamldoc --disable-installing-bytecode-programs --disable-installing-source-artifacts
make -j world.opt

runtime/alloc.c:33:18: error: 'caml_alloc' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  CC runtime/bigarray.bpic.o
   33 | CAMLexport value caml_alloc (mlsize_t wosize, tag_t tag)
      |                  ^~~~~~~~~~
runtime/alloc.c:106:18: error: 'caml_alloc_1' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  106 | CAMLexport value caml_alloc_1 (tag_t tag, value a)
      |                  ^~~~~~~~~~~~
runtime/alloc.c:111:18: error: 'caml_alloc_2' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  111 | CAMLexport value caml_alloc_2 (tag_t tag, value a, value b)
      |                  ^~~~~~~~~~~~
runtime/alloc.c:116:18: error: 'caml_alloc_3' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  CC runtime/blake2.bpic.o
  116 | CAMLexport value caml_alloc_3 (tag_t tag, value a, value b, value c)
      |                  ^~~~~~~~~~~~
runtime/alloc.c:121:18: error: 'caml_alloc_4' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  121 | CAMLexport value caml_alloc_4 (tag_t tag, value a, value b, value c, value d)
      |                  ^~~~~~~~~~~~
runtime/alloc.c:126:18: error: 'caml_alloc_5' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  126 | CAMLexport value caml_alloc_5 (tag_t tag, value a, value b, value c, value d,
      |                  ^~~~~~~~~~~~
runtime/alloc.c:132:18: error: 'caml_alloc_6' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  132 | CAMLexport value caml_alloc_6 (tag_t tag, value a, value b, value c, value d,
      |                  ^~~~~~~~~~~~
runtime/alloc.c:138:18: error: 'caml_alloc_7' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  138 | CAMLexport value caml_alloc_7 (tag_t tag, value a, value b, value c, value d,
      |                  ^~~~~~~~~~~~
runtime/alloc.c:144:18: error: 'caml_alloc_8' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  144 | CAMLexport value caml_alloc_8 (tag_t tag, value a, value b, value c, value d,
      |                  ^~~~~~~~~~~~
runtime/alloc.c:150:18: error: 'caml_alloc_9' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  150 | CAMLexport value caml_alloc_9 (tag_t tag, value a, value b, value c, value d,
      |                  ^~~~~~~~~~~~
runtime/alloc.c:156:18: error: 'caml_alloc_small' redeclared without dllimport attribute after being referenced with dll linkage [-Werror]
  156 | CAMLexport value caml_alloc_small (mlsize_t wosize, tag_t tag)
      |                  ^~~~~~~~~~~~~~~~
runtime/alloc.c:169:18: error: 'caml_alloc_tuple' redeclared without dllimport attribute: previous dllimport ignored [-Werror=attributes]
  169 | CAMLexport value caml_alloc_tuple(mlsize_t n)
      |                  ^~~~~~~~~~~~~~~~
[...]