From: Sergei Gavrikov <sergei.gavrikov@gmail.com>
To: Simon Kallweit <simon.kallweit@intefo.ch>
Cc: Bob.Brusa@gmail.com,
"MailingList:ecos-discuss ;" <ecos-discuss@ecos.sourceware.org>
Subject: Re: [ECOS]How to run testprograms for lwip
Date: Wed, 29 Jul 2009 12:25:00 -0000 [thread overview]
Message-ID: <20090729122550.GA28019@sg-ubuntu.local> (raw)
In-Reply-To: <4A68574F.5040307@intefo.ch>
Simon Kallweit wrote:
> Well, I can't really help you with that. Also, it seems you are using
> the current lwip port available in the CVS (or ecos 3.0). I have not
> used that port, as it was rather dated, so I ported a newer lwip
> version. You could try my port too, a snapshot is available:
>
> http://download.westlicht.ch/lwip-20090722.tar.gz
Hi Simon,
Thank you for your contribution. I tried to built lwIP's with SNMP
support using your snapshot. Unfortunately, I ran in a problem with CPP
defines for eCos (lwipopts.h).
mib2.c:70:
#define SNMP_SYSSERVICES ((1 << 6) | (1 << 3) | ((IP_FORWARD) << 2))
mib2.c:766:
static const s32_t sysservices = SNMP_SYSSERVICES;
lwipopts.h:102:
#define IP_FORWARD defined(CYGFUN_LWIP_IP_FORWARD)
So, the above init will become itself:
static const s32_t sysservices = ((1 << 6) | (1 << 3) | ((defined(CYGFUN_LWIP_IP_FORWARD)) << 2))
May be the below should be used in lwipopts.h?
#if defined(CYGFUN_LWIP_IP_FORWARD)
# define IP_FORWARD 1
#else
# define IP_FORWARD 0
#endif
FYI: There are a few defines like this
#define FOO defined(CYG_FOO)
in lwipopts.h. Small testcase:
#define CYG_FOO 1
#define FOO defined(CYG_FOO)
main ()
{
int foo = FOO;
}
It cannot be linked. FOO is not boolean ;-) I can check the same
"rvalues" then and send a patch if you want.
Regards,
Sergei
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next prev parent reply other threads:[~2009-07-29 12:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-23 9:50 Robert Brusa
2009-07-23 10:02 ` Simon Kallweit
2009-07-23 12:19 ` Robert Brusa
2009-07-23 12:25 ` Simon Kallweit
2009-07-24 15:51 ` Robert Brusa
2009-07-29 12:25 ` Sergei Gavrikov [this message]
2009-07-29 12:32 ` Simon Kallweit
2009-07-30 9:11 David Fernandez
2009-07-30 11:02 ` Sergei Gavrikov
2009-07-30 11:11 ` Simon Kallweit
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