potential future proofing fix for aicasm build.

[Steven Hartland]

----- Original Message ----- 
From: "Dimitry Andric" <dimitry at andric.com>


> On 2013-05-02 11:54, Steven Hartland wrote:
>> From: "Dimitry Andric" <dimitry at andric.com>
> ...
>>> Well, a way to reproduce the problem would be nice.  I tried running
>>> "make buildkernel" in a stable/9 tree on a 10.0 machine, and building
>>> aicasm went just fine.  So it works for me...
>>
>> I think what I did was the following:-
>> 1. make buildkernel KERNCONF=MYCONF -j10 # failed due to aicasm
> 
> And this is what I cannot reproduce.  Works just fine, either with or without -j.

Have just confirmed this reproduces the issue with a recent head source on 8.3-RELEASE
machine.

1. rm -rf /usr/obj
2. make buildkernel KERNCONF=MYCONF -j10 # Fails with:-
cc1: warnings being treated as errors
aicasm_gram.c:1539: warning: no previous prototype for 'yyparse'
3. make buildworld
4. make buildkernel KERNCONF=MYCONF -j10 # Still fails with:-
cc1: warnings being treated as errors
aicasm_gram.c:1539: warning: no previous prototype for 'yyparse'

Fix is:
1. rm -rf /usr/obj/usr/src/sys/MYCONF
2. make buildkernel KERNCONF=MYCONF -j10 # Now works

    Regards
    Steve

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