I'm using lwip 1.2.0 with FreeRTOS
My compiler is using IAR
When I building my project , there will occur many warning messages :
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\api\api_lib.c 357
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\api\api_lib.c 363
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\api\api_lib.c 367
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\snmp\mib2.c 2929
Warning[Pe223]: function "etharp_find_addr" declared implicitly
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\snmp\mib2.c 2932
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\snmp\mib2.c 3267
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\snmp\mib2.c 3605
Warning[Pe223]: function "etharp_find_addr" declared implicitly
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\snmp\mib2.c 3608
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\snmp\mib2.c 4065
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\core\tcp.c 140
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\core\tcp.c 318
Warning[Pa039]: use of address of unaligned structure member
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\core\tcp.c 318
tcp_in.c
Warning[Pe236]: controlling expression is constant
D:\Project\1116\Demo\ARM9_STR91X_IAR\lwip\core\tcp_in.c 299
Linking
Warning[w35]: There is more than one definition for the struct/union type with
tag 'raw_pcb'; class/struct/union types have different sizes
Warning[w35]: There is more than one definition for the struct/union type with
tag 'netconn'; class/struct/union field/base types do not match for field/base
'pcb'; class/struct/union field/base types do not match for field/base 'raw';
class/struct/union types have different sizes
Warning[w35]: There is more than one definition for the struct/union type with
tag 'api_msg_msg'; class/struct/union field/base types do not match for
field/base 'conn'; class/struct/union field/base types do not match for
field/base 'pcb'; class/struct/union field/base types do not match for
field/base 'raw';
class/struct/union types have different sizes
Warning[w35]: There is more than one definition for the struct/union type with
tag 'api_msg'; class/struct/union field/base types do not match for field/base
'msg'; class/struct/union field/base types do not match for field/base 'conn';
class/struct/union field/base types do not match for field/base 'pcb';
class/struct/union field/base types do not match for field/base 'raw';
class/struct/union types have different sizes
Warning[w35]: There is more than one definition for the struct/union type with
tag 'mib_list_rootnode'; class/struct/union types have different sizes
I don't know if these warning will cause my system unstable or not ,
how can I fix them ?
Paul
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