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RE: Re: How to tell if a file is being compiled as part o f eCos?
- From: Jay Foster <jay at systech dot com>
- To: 'Grant Edwards' <grante at visi dot com>, ecos-discuss at sources dot redhat dot com
- Date: Fri, 1 Aug 2008 09:38:05 -0700
- Subject: RE: [ECOS] Re: How to tell if a file is being compiled as part o f eCos?
Yes, I saw that too, but that sys/param.h file is only included if you are
using the BSD TCP/IP network stack (package), which I didn't know if you
were (or would always be) with your application.
Jay
-----Original Message-----
From: Grant Edwards [mailto:grante@visi.com]
Sent: Friday, August 01, 2008 9:33 AM
To: ecos-discuss@sources.redhat.com
Subject: [ECOS] Re: How to tell if a file is being compiled as part of
eCos?
On 2008-08-01, Sergei Gavrikov <sergei.gavrikov@gmail.com> wrote:
> On Thu, Jul 31, 2008 at 04:19:26PM +0000, Grant Edwards wrote:
>> On 2008-07-31, Jay Foster <jay@systech.com> wrote:
>>
>> > I've seen many eCos packages use "__ECOS" (or sometimes
>> > "__ECOS__") for this purpose. __ECOS is usually defined by
>> > the associated package CDL file in a ...CFLAGS_ADD option.
>>
>> I guess that's what I'll do. I thought maybe eCos provided
>> something in the default CFLAGS so that it didn't have to be
>> done at the package level.
>
> The place exists where CFLAGS definition starts, there is CFLAGS :=
> $(subst -finit-priority,,$(CFLAGS)) in packages/pkgconf/rules.mak. So,
> it seems for me that build the same as the below can be used as well
>
> ecosconfig new <target>
> ecosconfig tree
> make CFLAGS=-D__ECOS__
>
> But, it seems, you are right, it is better to fix main definitions in
> the rules.mak.
I just found out that <sys/param.h> does define __ECOS. So
rather than adding a -D__ECOS to the CFLAGS, I'm including
<sys/param.h> in my source file. It also seems to include a
bunch of extraneous stuff that's in different include files on
other systems, but once __ECOS is defined I can deal with the
other differences.
--
Grant Edwards grante Yow! There's enough money
at here to buy 5000 cans of
visi.com Noodle-Roni!
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