Date: Wed, 10 Feb 2016 14:33:52 +0100 From: Guido Falsi <mad@madpilot.net> To: John Marino <freebsdml@marino.st>, Warren Block <wblock@wonkity.com> Cc: FreeBSD Mailing List <freebsd-ports@freebsd.org> Subject: Re: Removing documentation Message-ID: <56BB3C40.2050303@madpilot.net> In-Reply-To: <56BB1D3F.3010809@marino.st> References: <E1aT6jw-000MGn-1T@pandora.amnic.net> <56B9D609.6030407@marino.st> <56B9EDC7.1010403@ohlste.in> <alpine.BSF.2.20.1602090852580.8217@wonkity.com> <56BA2106.3050901@marino.st> <alpine.BSF.2.20.1602091116170.8217@wonkity.com> <56BA3440.10806@marino.st> <alpine.BSF.2.20.1602091320080.8217@wonkity.com> <56BA4BC1.5020305@marino.st> <56BB1D3F.3010809@marino.st>
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On 02/10/16 12:21, John Marino wrote: > On 2/9/2016 9:27 PM, John Marino wrote: >> On 2/9/2016 9:20 PM, Warren Block wrote: >>> On Tue, 9 Feb 2016, John Marino wrote: >>> >>>> On 2/9/2016 7:20 PM, Warren Block wrote: >>>>>> If you have the build log, I'd like to see it. Dewayne G. got an error >>>>>> after overriding CPUTYPE (do you do that too?) and I'm thinking it's >>>>>> sensitive to CPU and I'd like to know more. >>>>> >>>>> Yes, I use >>>>> >>>>> CPUTYPE?=core-avx2 >>>> >>>> What happens when you try to build lang/gcc6-devel ? >>>> Same issue or does it complete? >>> >>> It builds successfully, in about 40 minutes. >> >> My suspicion is that due to the bootstrap, we'd have two possible options: >> A) turn on the full bootstrap which takes the same amount of time as >> gcc6-devel does (I'm not sure it will work but there's a chance) >> B) I put CPUTYPE=native in the gcc6-aux Makefile >> >> I am inclined towards B. It works on DragonFly but I need somebody else >> to test it on i7 on FreeBSD. I asked Dewayne, but I'd be grateful if >> you could test it as well. > > Hi Warren, > Dewayne got back to me, and it appears the only solution is to put > "CPUTYPE=" in the gcc6-aux makefile. I think the bootstrap compiler > (the ada-capable compiler downloaded to build gcc6-aux) doesn't know > these instructions and that's the issue. The options are don't override > CPUTYPE or regenerate the bootstrap, but that might have other > consequences or won't fix every combination. I just tried to compile lang/gcc in poudriere with CPUTYPE set and it failed too in configure phase. It appears that any setting "higher" than nocona makes the gcc ports fail, not only gcc6. -- Guido Falsi <mad@madpilot.net>
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