> On Feb. 28, 2014, 8:32 a.m., Matt Jordan wrote:
> > Although I would not expect this to make Asterisk compile under clang, 
> > anything above -O3 is superfluous.

And to clarify: I'm fine with this going into 1.8+.


- Matt


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On Feb. 28, 2014, 12:33 a.m., Tzafrir Cohen wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/3280/
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> 
> (Updated Feb. 28, 2014, 12:33 a.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Repository: Asterisk
> 
> 
> Description
> -------
> 
> Asterisk's build system sets -O6 as the CPU optimization flag. I believe this 
> was copied at some point from old Linux kernel build command and never 
> changed since.
> 
> The C standard does not give a valid meaning to anything above -O3. gcc 
> simply considers it as -O3. clang rejects it as it is an invalid value. Thus 
> the proposed change should result with no changes to building with gcc, but 
> help building Asterisk with clang. As it is a bug-fix, it should probably be 
> applied to all supported branches.
> 
> That said, a saner value would probably be -O2, perhaps with some extra 
> specific optimization flags.
> 
> Workaround for "applying" this fix manually: build with OPTIMIZE=-O3
> 
> 
> Diffs
> -----
> 
>   /trunk/Makefile.rules 409155 
> 
> Diff: https://reviewboard.asterisk.org/r/3280/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Tzafrir Cohen
> 
>

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