> On Dec 22, 2015, at 10:27, Garrett Cooper <yaneurab...@gmail.com> wrote:
> 
> 
>> On Dec 22, 2015, at 08:23, John Baldwin <j...@freebsd.org> wrote:
>> 
>>> On Monday, December 21, 2015 11:01:36 AM John Baldwin wrote:
>>>> On Saturday, December 19, 2015 01:05:36 PM NGie Cooper wrote:
>>>> Hi John,
>>>>   I tried bootstrapping 9.3-RELEASE to 11.0-CURRENT with i386 and ran into 
>>>> the -Wsign-compare issue below when running make libraries with 
>>>> buildworld, because it’s building libkvm with gcc 4.2.1 :/… I’ve tried 
>>>> bootstrapping with clang/clang37, but haven’t been able to yet. I’ll try 
>>>> installing 10.2-RELEASE via freebsd-update so I can use clang instead of 
>>>> gcc.
>>>> Thanks!
>>>> -NGie
>>> 
>>> We don't actually support going from 9 to 11.  However, these constants
>>> should probably be explicitly unsigned anyway.  I haven't tested this at
>>> all, but something like this:
>>> 
>>> Index: head/lib/libkvm/kvm_i386.h
>>> ===================================================================
>>> --- head/lib/libkvm/kvm_i386.h  (revision 292553)
>>> +++ head/lib/libkvm/kvm_i386.h  (working copy)
>>> @@ -57,8 +57,8 @@
>>> #define        I386_PG_PS              0x080
>>> #define        I386_PG_FRAME_PAE       (0x000ffffffffff000ull)
>>> #define        I386_PG_PS_FRAME_PAE    (0x000fffffffe00000ull)
>>> -#define        I386_PG_FRAME           (0xfffff000)
>>> -#define        I386_PG_PS_FRAME        (0xffc00000)
>>> +#define        I386_PG_FRAME           (0xfffff000u)
>>> +#define        I386_PG_PS_FRAME        (0xffc00000u)
>>> 
>>> #ifdef __i386__
>>> _Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch");
>> 
>> This passed a universe build on HEAD.  If you can test that it fixes the 9.3 
>> -> 11.0
>> bootstrap I will commit it.
> 
> I'll fire up a 9.3 VM and give it a shot.
> Thanks :)!!

Hmm… no bueno on ref9-amd64. What likely needs to be done is that the directory 
needs to be built by itself with gcc on i386.
Thanks!
-NGie

cc1: warnings being treated as errors
In file included from /scratch/tmp/ngie/svn/lib/libkvm/kvm_i386.c:63:
/scratch/tmp/ngie/svn/lib/libkvm/kvm_i386.h:73: warning: comparison between 
signed and unsigned
*** [kvm_i386.So] Error code 1

bmake[5]: stopped in /scratch/tmp/ngie/svn/lib/libkvm
1 error

bmake[5]: stopped in /scratch/tmp/ngie/svn/lib/libkvm
*** [lib/libkvm__L] Error code 2

bmake[4]: stopped in /scratch/tmp/ngie/svn

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