Date: Thu, 16 Jun 2016 22:35:28 +1000 From: Da Rock <freebsd-hackers@herveybayaustralia.com.au> To: freebsd-hackers@freebsd.org Subject: enabling cpu "features" in custom kernel Message-ID: <2fa5c2cb-81eb-d44a-3011-db27035e7965@herveybayaustralia.com.au>
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I'm just trying to get my head around kernel building and clang. If I want to enable certain features available on my cpu which are available by clang, how do I enable them? As I understand it using ccflags is a no no (ie /etc/make.conf), so how do I go about enabling them? I seem to be missing something in my research here... One thing I did consider was that there might be some "include" or "option" somewhere that I missed, but I still can't find it. There must be something in the mk files or such, and I'm guessing that its due to the ability to build the freebsd with various workarounds for different systems - but how would I get around that so I can try testing something out? Cheers
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