svn commit: r216473 - head/sbin/geom/class/eli

Warner Losh imp at
Sat Dec 18 17:30:43 UTC 2010

On 12/18/2010 08:34, Nathan Whitehorn wrote:
> On 12/17/10 13:07, Warner Losh wrote:
>> On 12/17/2010 08:22, Nathan Whitehorn wrote:
>>> On 12/16/10 13:04, Robert Watson wrote:
>>>> On Thu, 16 Dec 2010, David O'Brien wrote:
>>>>>>> Log:
>>>>>>>   Bump WARNS to 6.
>>>>>>> Modified:
>>>>>>>   head/sbin/geom/class/eli/Makefile
>>>>>> FYI, this broke the tinderbox on arm, ia64, mips, and sparc64.
>>>>> Errr.  Reverted.  I built it on the architectures I had access to...
>>>> For WARNS-related changes, I generally use "make universe" to test 
>>>> across architectures.  This builds all of our architectures world + 
>>>> all available kernels, and seems the most effective way to avoid 
>>>> the above situations. (I've fallen into exactly the same trap...)
>>>> The one thing to be cautious about is that make universe won't fail 
>>>> if an individual build fails, so you need to check the logs to make 
>>>> sure everything actually succeeded.
>>> The trouble with make universe is that it has been broken for months 
>>> and months now. ARM and powerpc64 are disconnected from the build 
>>> entirely, as are big-endian and 64-bit MIPS, and an increasing 
>>> number of ARM and PowerPC kernels depend on FDT tools not built by 
>>> default, and so do not build. Build infrastructure changes also make 
>>> it appear that the PowerPC GENERIC64 kernel is broken when it is 
>>> not. This severely reduces the coverage of make universe for 
>>> problems like this.
>>> I have a patch at 
>>> that fixes both 
>>> of these problems, by teaching the universe rule in src/Makefile 
>>> about MACHINEs with multiple MACHINE_ARCHs and by enabling the build 
>>> of the FDT tools by default, which adds about 300K to world. The way 
>>> these are done is probably not optimal, but it is a better than the 
>>> current situation and is a good stopgap. With the patch, all 
>>> architectures succeed except for the ARM AVILA kernel, which seems 
>>> genuinely broken, and the various 64-bit MIPS kernels, since 64-bit 
>>> MIPS is not hooked up to the build yet. If I don't hear any 
>>> objections, I would like to commit it on Wednesday the 22nd.
>> That works for me.  As far as I can tell, doing the MIPS64 stuff will 
>> just take about a day of patiently fixing some breakage...  Maybe 
>> I'll get to it over the holidays.
> Thanks! With your imprimatur, I've committed the src/Makefile portion 
> of the patch early. The FDT piece will wait until Wednesday, as 
> announced.
FDT should have always been built from the moment it went into the 
tree.  It was a mistake to make it optional, since we have no good way 
to make host tools optional based on the target we're compiling...


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