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Re: rump and htonl() in constants

In article <>,
Justin Cormack  <> wrote:
>On 28 February 2015 at 11:17, Patrick Welche <> wrote:
>> The surprise is that when building rump, gcc complains with:
>> /usr/src/sys/rump/net/lib/libnet/../../../../net/route.c:1010:21:
>error: initializer element is not constant
>>  static const struct in_addr inmask32 = {.s_addr = INADDR_BROADCAST};
>>                      ^
>> /usr/src/sys/rump/net/lib/libnet/../../../../net/route.c:1010:21:
>error: (near initialization for 'inmask32.s_addr')
>> which certainly looks constant. Problem is that INADDR_BROADCAST may
>> contain a call to htonl(), e.g. try
>> Given that 0xffffffff is the same in either order, there is an obvious
>> kludge, but any thoughts on an elegant solution?
>Hmm, I hadnt seen that. Maybe define an HTONL macro that uses shifts
>and masks ifdef little endian so it is all done at compile time?

Are you trying to compile without optimization?


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