py: Add MICROPY_PY_BUILTINS_MIN_MAX, disable for minimal ports.

minimal/mpconfigport.h

@@ -31,6 +31,7 @@
 #define MICROPY_PY_BUILTINS_SET     (0)
 #define MICROPY_PY_BUILTINS_SLICE   (0)
 #define MICROPY_PY_BUILTINS_PROPERTY (0)
+#define MICROPY_PY_BUILTINS_MIN_MAX (0)
 #define MICROPY_PY___FILE__         (0)
 #define MICROPY_PY_GC               (0)
 #define MICROPY_PY_ARRAY            (0)

py/modbuiltins.c

@@ -250,6 +250,8 @@ STATIC mp_obj_t mp_builtin_iter(mp_obj_t o_in) {
 }
 MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_iter_obj, mp_builtin_iter);
 
+#if MICROPY_PY_BUILTINS_MIN_MAX
+
 STATIC mp_obj_t mp_builtin_min_max(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kwargs, mp_uint_t op) {
     mp_map_elem_t *key_elem = mp_map_lookup(kwargs, MP_OBJ_NEW_QSTR(MP_QSTR_key), MP_MAP_LOOKUP);
     mp_obj_t key_fn = key_elem == NULL ? MP_OBJ_NULL : key_elem->value;
@@ -295,6 +297,8 @@ STATIC mp_obj_t mp_builtin_min(mp_uint_t n_args, const mp_obj_t *args, mp_map_t
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_min_obj, 1, mp_builtin_min);
 
+#endif
+
 STATIC mp_obj_t mp_builtin_next(mp_obj_t o) {
     mp_obj_t ret = mp_iternext_allow_raise(o);
     if (ret == MP_OBJ_STOP_ITERATION) {
@@ -637,8 +641,10 @@ STATIC const mp_rom_map_elem_t mp_module_builtins_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_iter), MP_ROM_PTR(&mp_builtin_iter_obj) },
     { MP_ROM_QSTR(MP_QSTR_len), MP_ROM_PTR(&mp_builtin_len_obj) },
     { MP_ROM_QSTR(MP_QSTR_locals), MP_ROM_PTR(&mp_builtin_locals_obj) },
+    #if MICROPY_PY_BUILTINS_MIN_MAX
     { MP_ROM_QSTR(MP_QSTR_max), MP_ROM_PTR(&mp_builtin_max_obj) },
     { MP_ROM_QSTR(MP_QSTR_min), MP_ROM_PTR(&mp_builtin_min_obj) },
+    #endif
     { MP_ROM_QSTR(MP_QSTR_next), MP_ROM_PTR(&mp_builtin_next_obj) },
     { MP_ROM_QSTR(MP_QSTR_oct), MP_ROM_PTR(&mp_builtin_oct_obj) },
     { MP_ROM_QSTR(MP_QSTR_ord), MP_ROM_PTR(&mp_builtin_ord_obj) },

py/mpconfig.h

@@ -610,6 +610,11 @@ typedef double mp_float_t;
 #define MICROPY_PY_BUILTINS_NOTIMPLEMENTED (0)
 #endif
 
+// Whether to support min/max functions
+#ifndef MICROPY_PY_BUILTINS_MIN_MAX
+#define MICROPY_PY_BUILTINS_MIN_MAX (1)
+#endif
+
 // Whether to set __file__ for imported modules
 #ifndef MICROPY_PY___FILE__
 #define MICROPY_PY___FILE__ (1)

py/qstrdefs.h

@@ -232,8 +232,10 @@ Q(len)
 Q(list)
 Q(locals)
 Q(map)
+#if MICROPY_PY_BUILTINS_MIN_MAX
 Q(max)
 Q(min)
+#endif
 Q(namedtuple)
 Q(next)
 Q(oct)

unix/mpconfigport_minimal.h

@@ -57,6 +57,7 @@
 #define MICROPY_PY_BUILTINS_SLICE   (0)
 #define MICROPY_PY_BUILTINS_STR_UNICODE (0)
 #define MICROPY_PY_BUILTINS_PROPERTY (0)
+#define MICROPY_PY_BUILTINS_MIN_MAX (0)
 #define MICROPY_PY___FILE__         (0)
 #define MICROPY_PY_MICROPYTHON_MEM_INFO (0)
 #define MICROPY_PY_GC               (0)