CC portnativeglue.c
In file included from portnativeglue.c:75:0:
port_fun.inc:16:1: error: conflicting types for built-in function 'abs' [-Werror]
 abs,
 ^
port_fun.inc:21:1: error: conflicting types for built-in function 'bzero' [-Werror]
 bzero,
 ^
port_fun.inc:32:1: error: conflicting types for built-in function 'isalnum' [-Werror]
 isalnum,
 ^
port_fun.inc:33:1: error: conflicting types for built-in function 'isalpha' [-Werror]
 isalpha,
 ^
port_fun.inc:34:1: error: conflicting types for built-in function 'isascii' [-Werror]
 isascii,
 ^
port_fun.inc:35:1: error: conflicting types for built-in function 'isblank' [-Werror]
 isblank,
 ^
port_fun.inc:36:1: error: conflicting types for built-in function 'iscntrl' [-Werror]
 iscntrl,
 ^
port_fun.inc:37:1: error: conflicting types for built-in function 'isdigit' [-Werror]
 isdigit,
 ^
port_fun.inc:38:1: error: conflicting types for built-in function 'isgraph' [-Werror]
 isgraph,
 ^
port_fun.inc:39:1: error: conflicting types for built-in function 'islower' [-Werror]
 islower,
 ^
port_fun.inc:40:1: error: conflicting types for built-in function 'isprint' [-Werror]
 isprint,
 ^
port_fun.inc:41:1: error: conflicting types for built-in function 'ispunct' [-Werror]
 ispunct,
 ^
port_fun.inc:42:1: error: conflicting types for built-in function 'isspace' [-Werror]
 isspace,
 ^
port_fun.inc:43:1: error: conflicting types for built-in function 'isupper' [-Werror]
 isupper,
 ^
port_fun.inc:45:1: error: conflicting types for built-in function 'labs' [-Werror]
 labs,
 ^
port_fun.inc:51:1: error: conflicting types for built-in function 'memchr' [-Werror]
 memchr,
 ^
port_fun.inc:52:1: error: conflicting types for built-in function 'memcmp' [-Werror]
 memcmp,
 ^
port_fun.inc:53:1: error: conflicting types for built-in function 'memcpy' [-Werror]
 memcpy,
 ^
port_fun.inc:54:1: error: conflicting types for built-in function 'memmove' [-Werror]
 memmove,
 ^
port_fun.inc:56:1: error: conflicting types for built-in function 'memset' [-Werror]
 memset,
 ^
port_fun.inc:65:1: error: conflicting types for built-in function 'strcasecmp' [-Werror]
 strcasecmp,
 ^
port_fun.inc:67:1: error: conflicting types for built-in function 'strcat' [-Werror]
 strcat,
 ^
port_fun.inc:68:1: error: conflicting types for built-in function 'strchr' [-Werror]
 strchr,
 ^
port_fun.inc:69:1: error: conflicting types for built-in function 'strcmp' [-Werror]
 strcmp,
 ^
port_fun.inc:71:1: error: conflicting types for built-in function 'strcpy' [-Werror]
 strcpy,
 ^
port_fun.inc:72:1: error: conflicting types for built-in function 'strcspn' [-Werror]
 strcspn,
 ^
port_fun.inc:73:1: error: conflicting types for built-in function 'strdup' [-Werror]
 strdup,
 ^
port_fun.inc:74:1: error: conflicting types for built-in function 'strftime' [-Werror]
 strftime,
 ^
port_fun.inc:77:1: error: conflicting types for built-in function 'strlen' [-Werror]
 strlen,
 ^
port_fun.inc:79:1: error: conflicting types for built-in function 'strncasecmp' [-Werror]
 strncasecmp,
 ^
port_fun.inc:80:1: error: conflicting types for built-in function 'strncat' [-Werror]
 strncat,
 ^
port_fun.inc:81:1: error: conflicting types for built-in function 'strncmp' [-Werror]
 strncmp,
 ^
port_fun.inc:82:1: error: conflicting types for built-in function 'strncpy' [-Werror]
 strncpy,
 ^
port_fun.inc:83:1: error: conflicting types for built-in function 'strndup' [-Werror]
 strndup,
 ^
port_fun.inc:85:1: error: conflicting types for built-in function 'strrchr' [-Werror]
 strrchr,
 ^
port_fun.inc:87:1: error: conflicting types for built-in function 'strspn' [-Werror]
 strspn,
 ^
port_fun.inc:88:1: error: conflicting types for built-in function 'strstr' [-Werror]
 strstr,
 ^
port_fun.inc:94:1: error: conflicting types for built-in function 'toascii' [-Werror]
 toascii,
 ^
port_fun.inc:95:1: error: conflicting types for built-in function 'tolower' [-Werror]
 tolower,
 ^
port_fun.inc:96:1: error: conflicting types for built-in function 'toupper' [-Werror]
 toupper,
 ^
cc1: error: unrecognized command line option '-Wno-builtin-declaration-mismatch' [-Werror]
cc1: all warnings being treated as errors
/home/tiago/micropython-lvgl/micropython/ports/esp32//../../py/mkrules.mk:63: recipe for target 'build-GENERIC/portnativeglue.o' failed
make: *** [build-GENERIC/portnativeglue.o] Error 1