Re: [syslinux] Etherboot and gpxe

Josh,

I got the same problem as you had. It got fixed after #include 
<gpxe/timer.h> indstead of "timer.h".

I am using the 3.80 make:
GNU Make 3.80
Copyright (C) 2002  Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

Thanks,
Joyce


On 08/04/09 12:14, Joshua Oreman wrote:
> On Tue, Aug 4, 2009 at 11:50 AM, Stefan Hajnoczi<[email protected]> wrote:
>   
>> On Tue, Aug 4, 2009 at 7:31 PM, Joshua Oreman<[email protected]> wrote:
>>     
>>> I have seen this infinite-looping on dependencies behavior when I've
>>> #included a nonexistent header file in one of my source files. You may
>>> want to check for that.
>>>       
>> Sounds like something that would be worth fixing.
>>     
>
> It would be if I could reproduce it. :-) I tried to replicate the
> situation that made me notice this (#include "debug.h" in several
> ath5k sources) and it only did the dependencies twice. If the problem
> really is due to this, there's probably another subtle factor I
> haven't noticed.
>
> Most likely it's something to do with the fact that gcc's Makefile
> rule generator will cheerfully generate dependencies on nonexistent
> includes. gPXE's build system (sensibly) makes the .d Makefile
> fragment file depend on all its source file's dependencies, and make
> will consider a rule depending on a nonexistent non-.PHONY target as
> always in need of remaking. Since the .d Makefile fragments are
> `include'd, they are subject to make's Makefile-remaking logic, which
> restarts the make if any Makefiles are updated. When it restarts, it
> rereads all the Makefiles and rules thereabout, and sees again the
> dependency on a nonexistent file that forces remaking... ad infinitum.
>
> There may be a make version dependency in here, since I have upgraded
> my system since I noticed this behavior. I'm running GNU Make 3.81 (as
> told by make -v); Joyce, which are you running? I would consider this
> more a bug in make than in gPXE's use of it, and it may have been
> fixed by upstream.
>
> -- Josh
>   


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