Re: [lwip-users] Misalignment problems on PowerPC (little endian mode)

[Rishi Khan]

Mine are:
#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
#define PACK_STRUCT_STRUCT __attribute__((packed))
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_END


Maybe you don't see them because you don't have -Wall on?

On May 25, 2008, at 9:18 PM, Jonathan Larmour wrote:

> Rishi Khan wrote:
> > Simon,
> > I don't know if this is an issue, but gcc spits out many warnings  
> > like:
> > ../../../../../lwip/src/include/ipv4/lwip/ip.h:136: warning:  
> > 'packed'  attribute ignored for field of type 'struct ip_addr'
>
> I don't see that with GCC. What are your packing defines in cc.h ?  
> Mine are:
>
> #define PACK_STRUCT_FIELD(_x_) _x_ __attribute__((packed))
> #define PACK_STRUCT_STRUCT __attribute__((packed))
> #define PACK_STRUCT_BEGIN
> #define PACK_STRUCT_END
>
> Jifl
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