From nobody Mon Jun 8 05:15:41 2026 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gYgGX6B5hz6gpk3 for ; Mon, 08 Jun 2026 05:15:16 +0000 (UTC) (envelope-from jguojun@gmail.com) Received: from mail-yw1-x1132.google.com (mail-yw1-x1132.google.com [IPv6:2607:f8b0:4864:20::1132]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gYgGW6tF1z3Ghr for ; Mon, 08 Jun 2026 05:15:15 +0000 (UTC) (envelope-from jguojun@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20251104 header.b=ekMBnvJg; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of jguojun@gmail.com designates 2607:f8b0:4864:20::1132 as permitted sender) smtp.mailfrom=jguojun@gmail.com Received: by mail-yw1-x1132.google.com with SMTP id 00721157ae682-7dbcb505578so48612027b3.3 for ; Sun, 07 Jun 2026 22:15:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780895714; x=1781500514; darn=freebsd.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=2YNXasveRvEfaZtO/Da4TzOG/E6xaV9ZwOE96Zyxro4=; b=ekMBnvJgHfAFd9m7BjANrjSzWQ/ywG+m7UqJUTl+6AnUqvNZzuAjQHFiOC2hlktD1z MlhFKwQrGiXPH0tt2vLaNUb3aBhVMnopLtbhKFM/CcuNbJS80ckacYTCzivPRCAyJ1li f6Hpm20XMGzePQsUiEMSVOYBB/dAX6eNMwuJhpl2nNY2bmJ/874zec/OMS3gGb39rhm0 UbJgoaq0wYW2mnRX2NYe+i3uNYNzm27AFP60+Oq2G5jL93hnBtP1BV1cN6qosixXMJYd YSWofW1zzeVb9Vf3hCmdRGzL1OARSklIXR6Q7mx5QrUw/djd3TcS5wU2UZbXb/cPDGuG 3viQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780895714; x=1781500514; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=2YNXasveRvEfaZtO/Da4TzOG/E6xaV9ZwOE96Zyxro4=; b=naWl4LJPF2n3HeT2onh/LqZuG7kwTIe2SOXPDhjfuMOlvjGE/QIJwtTh2zM1WexRA3 TGDEyIgPZerwg4lRK/c2c62pTYLEkYKyV4J3JQw68H9CQdZFT2LbtRhJGFj+FrQKVb0w lw05EApU+Cp9xC+LMuEEf9A+DaWPowznmau/GW4oTQFJKSal69iE+hBMxHlbVMWgcfIR 0OphovVHbV1Lg8FbN86encgvOu1JyazmiqM9aAuWlXf459IPS/l/OkkCkdu2mVW4dn/v c3alfbOIw6F5j+jLDkc8iu366X7+01w5na3XS8D7e4/hG57cGr8PqFo2SP3D3t8mG+EU uRWA== X-Gm-Message-State: AOJu0YwRsIjtf/Bt/La3kQMzvK9G4s1Eo2cc/cO0xQBsiH7qiIbaThVf rRexGOnPOWIMBcAxNPVvH/ZbriG2pwvb2sIByhGAtDJp3d4fnIaSKHQ/0q/lhW8= X-Gm-Gg: Acq92OFFLlWz8zwcl7dUX1MMxraiWXO3YHeliz0N7zd0hRDCAX7qNUVSCu+DgY9ffM4 5XZekVWQyryfhu29KDEJgLCIfDWcn9EMETaLhfptLB/2IuyWW3OkJltky4fbWDz5RCX81b4/g0h bCkdaTFYZL34HB7qz73+Pk3knYoO0OWLAGHHJYmJiA3XzJDxCFYgiQoAW5YhfNc3nsTG3vJBdek gQ+sYhRAFXSsxhR4S/g1mU/wcTUGJ9TzMT88zJYkfV3AFi1ojepy6wm0rHdFbfdg3jSxz+tF1Yk xQ4JIL5sWIkEDObmfLOANUMN+IMtX2lXRYEcAPX3V/p5nptJrkDCrGHiykp6d3UDVrd/fGZdhTy 8QAn2qmsgxczN4AGYb1VST5aNxTRiSKZx0GOlysDOZqwyS7FqMl4YkwvNNLstVtBUIQPvA30jyS MCoUZuEXPPZ5ETp9UQryEFO05qxRiJatHygEQz8rqMzENTFsL8hcAmWF+9cFZejSHKckaLoThj9 BwQqOiYXFs= X-Received: by 2002:a05:690c:4802:b0:7ba:f584:2800 with SMTP id 00721157ae682-7ed0e67926bmr136095647b3.21.1780895714158; Sun, 07 Jun 2026 22:15:14 -0700 (PDT) Received: from [192.168.1.85] (76-218-103-166.lightspeed.sntcca.sbcglobal.net. [76.218.103.166]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7ea20ea986bsm79992997b3.9.2026.06.07.22.15.13 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 07 Jun 2026 22:15:13 -0700 (PDT) Message-ID: Date: Sun, 7 Jun 2026 22:15:41 -0700 List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: cpu vs CPUTYPE To: questions@freebsd.org References: Content-Language: en-US From: "Jin Guojun[VFF]" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-3.96 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.96)[-0.960]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4864::/56:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20251104]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_FROM(0.00)[gmail.com]; FROM_HAS_DN(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::1132:from] X-Spamd-Bar: --- X-Rspamd-Queue-Id: 4gYgGW6tF1z3Ghr On 6/6/26 12:16, Jan Stary wrote: > Dear all, > > I just installed 15.0-RELEASE on this HP EliteBook 820 (dmesg below). > It seems to be running fine; as a test of stability, I would like > to recompile GENERIC as is. Without any make.conf or src.conf, > 'time make -j4 buildkernel' works and the installed kernel boots. > > Now, as a first step, I would like to recompile again, taking advantage > of the optimizations when a specific cpu is set. It seems there are > two places where I can specify that: > > the KERNCONF (= GENERIC) says 'cpu HAMMER' > and make.conf has the CPUTYPE variable. > > What is the relation of the two? > > My actual cpu is an Intel(R) Core(TM) i7-4600U; > that's not HAMMER, about which NOTES says > > cpu HAMMER # aka K8, aka Opteron & Athlon64 > > and the closest CPUTYPE out of > > # (Intel CPUs) alderlake, sapphirerapids, tigerlake, cooperlake, > # cascadelake, tremont, goldmont-plus, icelake-server, > # icelake-client, cannonlake, knm, skylake-avx512, knl, > # goldmont, skylake, broadwell, haswell, ivybridge, > # sandybridge, westmere, nehalem, silvermont, bonnell, > # core2, core, nocona, pentium4m, pentium4, prescott, > # pentium3m, pentium3, pentium-m, pentium2, pentiumpro, > # pentium-mmx, pentium, i486 > > listed in the example make.conf seems to be 'core' (right?) The Intel Core i7-4600U (4th Gen) official architectural code name is Haswell, which should be the CPUTYPE. Core Ultra (Series 1 & 2): Meteor Lake and Arrow Lake 14th/13th Gen: Raptor Lake 12th Gen: Alder Lake 11th Gen: Rocket Lake 10th Gen: Comet Lake / Ice Lake 9th/8th Gen: Coffee Lake 7th Gen: Kaby Lake 6th Gen: Skylake Older (1st-5th Gen): Broadwell, Haswell, Ivy Bridge, Sandy Bridge, Westmere, and Nehalem. -Jin From nobody Tue Jun 9 09:49:52 2026 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gZPK70PNrz6hhH8 for ; Tue, 09 Jun 2026 09:50:03 +0000 (UTC) (envelope-from hans@stare.cz) Received: from mx.stare.cz (uvt.stare.cz [185.63.96.79]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "prizen.cz", Issuer "prizen.cz" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gZPK50qDrz3NNJ for ; Tue, 09 Jun 2026 09:50:00 +0000 (UTC) (envelope-from hans@stare.cz) Authentication-Results: mx1.freebsd.org; dkim=fail ("headers rsa verify failed") header.d=stare.cz header.s=all header.b=SWCyyEfn; dkim=fail ("headers eddsa verify failed") header.d=stare.cz header.s=all header.b=DWF6r5Jw; dmarc=none; spf=pass (mx1.freebsd.org: domain of hans@stare.cz designates 185.63.96.79 as permitted sender) smtp.mailfrom=hans@stare.cz DKIM-Signature: v=1; a=ed25519-sha256; c=simple/simple; s=all; bh=0i3U7IqEeYUs 6wqAqnBl8BpeYHYgkRl0N009aTB//u4=; h=in-reply-to:references:subject:to: from:date; d=stare.cz; b=SWCyyEfnNaF0P2ZLgUI1dNf5uiXvmv1pobdrFF04+ALzI p0ObXOUJuVzKgCIQ96bRXtTwT87hx7vB90PpV5OBQ== DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=all; bh=0i3U7IqEeYUs6wqA qnBl8BpeYHYgkRl0N009aTB//u4=; h=in-reply-to:references:subject:to: from:date; d=stare.cz; b=DWF6r5JwQpaBZW2aIyfRlibTbxpaGcvpnWJUGYPHIUzJO KbgzTOYtbUCVm5WDV+JhdViyuMdCAJg45cn/JUf/v4y3jBkXbxx5Tz1mDZ2rkieNGO/tdJ ELTpq1PxWbBGg6GhSw450eoOGeS4NjsT8ipzH+3IWvmVHiT4tq68lL9LAfeE41iJZpKDTx rAs7cjmk08WpFXkURFPv1YrPMiVKrholgNnt3Y4ppSFqryFWE2+wJ9TSwyN9DUPfxrtRsW X8UysY3x3eXTSberpnRI5RiDfpe17JPBh5KL9jFt+ujKe36eC127khk9GVaXlGAdGkLhGO mJAsi+5wQyxralpyA== Received: from localhost (stare.cz [local]) by stare.cz (OpenSMTPD) with ESMTPA id 2f006900 for ; Tue, 9 Jun 2026 11:49:52 +0200 (CEST) Date: Tue, 9 Jun 2026 11:49:52 +0200 From: Jan Stary To: questions@freebsd.org Subject: Re: cpu vs CPUTYPE Message-ID: References: List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spamd-Result: default: False [0.54 / 15.00]; R_DKIM_REJECT(1.00)[stare.cz:s=all]; NEURAL_SPAM_MEDIUM(1.00)[0.998]; NEURAL_HAM_SHORT(-0.99)[-0.988]; NEURAL_HAM_LONG(-0.87)[-0.869]; MID_RHS_WWW(0.50)[]; ONCE_RECEIVED(0.20)[]; R_SPF_ALLOW(-0.20)[+ip4:185.63.96.79]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; DKIM_TRACE(0.00)[stare.cz:-]; DMARC_NA(0.00)[stare.cz]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; RECEIVED_HELO_LOCALHOST(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; PREVIOUSLY_DELIVERED(0.00)[questions@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MISSING_XM_UA(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; ASN(0.00)[asn:50825, ipnet:185.63.96.0/22, country:CZ]; FROM_HAS_DN(0.00)[] X-Spamd-Bar: / X-Rspamd-Queue-Id: 4gZPK50qDrz3NNJ On Jun 07 09:29:50, dewayne@heuristicsystems.com.au wrote: > I use these in my make.conf for an older xeon, > ARCH= amd64 > ARCHLEVEL= x86-64-v3 > CPUTYPE?= haswell > TARGET= amd64 > TARGET_ARCH= amd64 > TARGET_CPUTYPE= ${CPUTYPE} > I'm explicit with ARCH because I also cross build. I don't see any of these in either the example make.conf or the make.conf(5) manpage - but I don't cross compile, so that reduces it to: how did you come up with "haswell" being the right choice for your older Xeon? Is that documented somewhere? Looking at /usr/share/bsd.cpu.mk, I see that my naive choice of "core" (as in Intel Core) is an alias for "prescott", which on amd64 is an alias for "nocona" (listed in the example make.conf). Reading the buildkernel log, it seems that setting CPUTYPE ?= core traslates to -march=nocona in CFLAGS. I suppose this leaves it to the compiler to utilize the appropriate optimizations. I took a random line from the kernel build (the compilation of scsi_pass.o) and went through all the options, without any CPUTYPE and with CPUTYPE ?= core; indeed, the only difference is -march=nocona being added to the cc calls. The only mention on nocona in /usr/share/mk (besides the aliases above) is MACHINE_CPU = sse3; is that expected? Should I be seeing sse3 in the cc lines of buildkernel or is MACHINE_CPU only used internaly somehow? Anyway, back to my original question: when you set CPUTYPE ?= haswell for your Xeon (why?), what do you set as "cpu" in your KERCONF and why? And how are the two related? Also note that make.conf talks about GCC settings, referring to gcc.gnu.org for details; does that mean that it is supposed to be the same for clang, which is now the compiler (on amd64 at least)? Jan From nobody Tue Jun 9 10:18:10 2026 X-Original-To: freebsd-questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gZPxd51BLz6hjck for ; Tue, 09 Jun 2026 10:18:13 +0000 (UTC) (envelope-from hans@stare.cz) Received: from mx.stare.cz (uvt.stare.cz [185.63.96.79]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "prizen.cz", Issuer "prizen.cz" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gZPxc61cfz3Qpw for ; Tue, 09 Jun 2026 10:18:12 +0000 (UTC) (envelope-from hans@stare.cz) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=stare.cz header.s=all header.b=vxMEuqNe; dkim=fail ("headers eddsa verify failed") header.d=stare.cz header.s=all header.b=MVHFCVHB; dmarc=none; spf=pass (mx1.freebsd.org: domain of hans@stare.cz designates 185.63.96.79 as permitted sender) smtp.mailfrom=hans@stare.cz DKIM-Signature: v=1; a=ed25519-sha256; c=simple/simple; s=all; bh=YAELzBPlTQ5V xzCSy0Nkk33TmBjddWkuPqatJJNZ3Bk=; h=in-reply-to:references:subject:to: from:date; d=stare.cz; b=vxMEuqNeh+SkjXaQ3qeVyHdTUFp/zR/35WehNIcm3Z/JF btm57RV1bzPY1bYiquUgArp6joQ09EszXthK4xSBQ== DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=all; bh=YAELzBPlTQ5VxzCS y0Nkk33TmBjddWkuPqatJJNZ3Bk=; h=in-reply-to:references:subject:to: from:date; d=stare.cz; b=MVHFCVHBK04q3QIRp800ZbIjOOOsuB11tjk+YyjhmaZUw a0mQhdeOdbiyTTryfq9ORxPC8NhRQ/M1gW2fQT2U46ef/6uKLTKBA8UAnHGj0GMz07dcJC i5JONlL2nYkKbZB2jbKOu0qTl0uMXA6VIT2XPnsIbBHJmDbfunria197AkDF4F6RF3G5BC yVFHoyufpg5/pQ6StYIaBSHjWlusVhg0Og+mxDBh3FsYqX0ywU06Lyuaq/bdRc+44XLRgN ZajMawlDqey7yoXdaSJFudFaSkE34mC3Qt4VTadKsJJUqLnA1CpALIOGm0u2d2NFCpiXkq RinFIywUO5zOIj+jA== Received: from localhost (stare.cz [local]) by stare.cz (OpenSMTPD) with ESMTPA id 52ebe492 for ; Tue, 9 Jun 2026 12:18:10 +0200 (CEST) Date: Tue, 9 Jun 2026 12:18:10 +0200 From: Jan Stary To: freebsd-questions@freebsd.org Subject: Re: cpu vs CPUTYPE Message-ID: References: List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spamd-Result: default: False [-2.80 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.996]; MID_RHS_WWW(0.50)[]; R_DKIM_ALLOW(-0.20)[stare.cz:s=all]; R_SPF_ALLOW(-0.20)[+ip4:185.63.96.79:c]; ONCE_RECEIVED(0.20)[]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[stare.cz:+,stare.cz:-]; R_DKIM_REJECT(0.00)[stare.cz:s=all]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[stare.cz]; RECEIVED_HELO_LOCALHOST(0.00)[]; ARC_NA(0.00)[]; DKIM_MIXED(0.00)[]; ASN(0.00)[asn:50825, ipnet:185.63.96.0/22, country:CZ]; RCVD_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MISSING_XM_UA(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+] X-Spamd-Bar: -- X-Rspamd-Queue-Id: 4gZPxc61cfz3Qpw On Jun 07 22:15:41, jguojun@gmail.com wrote: > The Intel Core i7-4600U (4th Gen) official architectural code name is > Haswell, which should be the CPUTYPE. Thanks. Reading at the lists of Intel code names sorted out CPUTYPE for me on a few amd64 machines. Now, what is the relation of CPUTYPE in make.conf to the "cpu" setting in KERNCONF? Jan From nobody Tue Jun 9 10:21:21 2026 X-Original-To: freebsd-questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gZQ1H6gPWz6hk1G for ; Tue, 09 Jun 2026 10:21:23 +0000 (UTC) (envelope-from hans@stare.cz) Received: from mx.stare.cz (uvt.stare.cz [185.63.96.79]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "prizen.cz", Issuer "prizen.cz" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gZQ1H1fPtz3S8Z for ; Tue, 09 Jun 2026 10:21:23 +0000 (UTC) (envelope-from hans@stare.cz) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=stare.cz header.s=all header.b=0jHJutea; dkim=fail ("headers eddsa verify failed") header.d=stare.cz header.s=all header.b="dN p3bIS"; dmarc=none; spf=pass (mx1.freebsd.org: domain of hans@stare.cz designates 185.63.96.79 as permitted sender) smtp.mailfrom=hans@stare.cz DKIM-Signature: v=1; a=ed25519-sha256; c=simple/simple; s=all; bh=xZ6BotXruepO fvRvW3zAqDsmyXYlPOukjRNJiP99bKc=; h=subject:to:from:date; d=stare.cz; b=0jHJuteaSzy7j3KJIkSZHLauco//DhvfSzR0VVWcC606S/IAcHOcpvoxtFEwyxeQ98mK SmIE6n/cDjFpPhTtCA== DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=all; bh=xZ6BotXruepOfvRv W3zAqDsmyXYlPOukjRNJiP99bKc=; h=subject:to:from:date; d=stare.cz; b=dN p3bISgoCrhiw12IbNMIhH8ZougCzPcbtwY9ubfELZMqeu1EfyUI8BfLQkToy/QXvWvMLcQ toy8KqvriV3evMd+GEhBjHz7w48jy7OvCRX14MFtq3UJgCHXnuhfgeP4VQq4JXNhzHhN2g KUOUeqHPiIirEtVhhMvvfb8QtdT/UE/Kw0tH4odyoxoANqNLW8HRUB2YcJL7XcXYgvqdqJ vl8d+UWr4bsbYJ2qUEzpLgNiIx93PjCN72f3pCsxH+qIqEQNgLeIeul7XlI0VOyhVyrs1H hEWUh5sGcQmVAB4vQOgzEzdLBARwZcAcllX9g+wx6UrctY3+tBCYmuVpKAlA== Received: from localhost (stare.cz [local]) by stare.cz (OpenSMTPD) with ESMTPA id 7acbbb70 for ; Tue, 9 Jun 2026 12:21:21 +0200 (CEST) Date: Tue, 9 Jun 2026 12:21:21 +0200 From: Jan Stary To: freebsd-questions@freebsd.org Subject: example COPTFLAGS Message-ID: List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spamd-Result: default: False [-2.80 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.996]; MID_RHS_WWW(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:185.63.96.79:c]; ONCE_RECEIVED(0.20)[]; R_DKIM_ALLOW(-0.20)[stare.cz:s=all]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[stare.cz:+,stare.cz:-]; R_DKIM_REJECT(0.00)[stare.cz:s=all]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[stare.cz]; RECEIVED_HELO_LOCALHOST(0.00)[]; ARC_NA(0.00)[]; DKIM_MIXED(0.00)[]; ASN(0.00)[asn:50825, ipnet:185.63.96.0/22, country:CZ]; RCVD_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MISSING_XM_UA(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MLMMJ_DEST(0.00)[freebsd-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+] X-Spamd-Bar: -- X-Rspamd-Queue-Id: 4gZQ1H1fPtz3S8Z This is wht the exampla make.conf says about COPTFLAGS on my freshly installed 15.0-RELEASE: # To compile just the kernel with special optimizations, you should use # this instead of CFLAGS (which is not applicable to kernel builds anyway). # There is very little to gain by using higher optimization levels, and doing # so can cause problems. # #COPTFLAGS= -O -pipe But leaving everything at default apparently uses -O2 -pipe for the kernel build? Is the comment out of date then? Jan From nobody Tue Jun 9 10:51:28 2026 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gZQh167fnz6hlqF for ; Tue, 09 Jun 2026 10:51:29 +0000 (UTC) (envelope-from des@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gZQh13S44z3WGs; Tue, 09 Jun 2026 10:51:29 +0000 (UTC) (envelope-from des@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781002289; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Gfo+fVlUGvhlw8Y/09qK9Xu8T2EKu/+JJUaK44xZTFI=; b=acjiRhT2MFw579YXqNHVx4IrnLfR8LZQZYRhr5s+tppLPbKqO6Phgd33k4ZbKCj6kOUC0h XLn0o7HaueJ+f6e1qGzOMwcg+xLm3ivvVeu9jFYksNBuk+R+jPEiAnTmjys9G7IjEfVw0D Fkj1mgRRZoIY7LXE/C9Zske4Z3WmFdRKJNJfw5iR7bBXoI343eIGmCgCVOHASlv3nVjPwx z7RzIc2sv63IHrYpU5Y77mFmDtzzQEyxz73k+rdN+FOUzF9xv9SYV2kqISkLfoTAgTg4lM xHfafkqW0mfMkF4Bnk/e1nDzJRDdQrJ8QshUq6JHn3vMPBzBuMNI4kb3EsL0BA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781002289; a=rsa-sha256; cv=none; b=xwXpMW1z1zqD6jdIK9r1NAgR6fKkxiKzdh114gX8rkAkanPHXhwPO8eaxzr0lKjoRdLw6Z BMUlbk3pA8Jmm4YJPQzkJZXxo6YALfz110N1JlOowU7/qG7ws5IXIubVQ0JM81+AlUEPN4 Uz63hF0w7v3aOs+gFPBuRN3TCxRgQGSd8SvCjlOqXy9E5M1dcmKeFLk5uHcVVHCMEIGZe7 OMc9XPUXpD0XZ6jy0RxPkDvJL6cWBVHLFEmVBttAlVK6tPMhMhEPl6z4p1dVtwepAnvxJe 76CUT6rALpXiWWZIy36yQVBgVsvZjXsmqJNbJ58wyEwoRuYUEW0ZCZKgPr9irw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781002289; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Gfo+fVlUGvhlw8Y/09qK9Xu8T2EKu/+JJUaK44xZTFI=; b=xOfNPN0bAtLyMBGuubWgMEMcLAHzkuI4eY3+nha+HoWHw+b6e+0vI74IFa/6S7dCS0zz+0 FaRNGYOAsB/JvMyslahqo9uciD3Amyj1IcPjuZh5oDd3ibVCi+wHf1IRVpk+yghpcqQyHn Kv0ps0MF0wf3CGRmOxxAS3pbmzzFxRj4n3pHGjP6w2mIGJeRM+VGam+uV0pMYYPKwRVzQV z1yFdODvgmyILgZVtVUqJRT+NcOqZtg/9MuN70DC39zc+dnk0LCJvEC+QINVHlVV5ibY3T DyKudICT9Zhve3cIYynqxuyWxJDESUTsyOq2YJiGr0tbmbppmr3rNamPzZJFaA== Received: from ltc.des.dev (unknown [92.183.12.56]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: des/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4gZQh12DsJzHRq; Tue, 09 Jun 2026 10:51:29 +0000 (UTC) (envelope-from des@freebsd.org) Received: by ltc.des.dev (Postfix, from userid 1001) id 15645AF135; Tue, 09 Jun 2026 12:51:28 +0200 (CEST) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Jan Stary Cc: questions@freebsd.org Subject: Re: cpu vs CPUTYPE In-Reply-To: (Jan Stary's message of "Tue, 9 Jun 2026 11:49:52 +0200") References: User-Agent: Gnus/5.13 (Gnus v5.13) Date: Tue, 09 Jun 2026 12:51:28 +0200 Message-ID: <86a4t4q95b.fsf@ltc.des.dev> List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-questions@freebsd.org Sender: owner-freebsd-questions@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Jan Stary writes: > I don't see any of these in either the example make.conf > or the make.conf(5) manpage [...] That's the wrong manual page. You should read build(7), arch(7), and src.conf(5) instead. I'll look into removing the kernel and world sections from make.conf(5). 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Is the comment out of date then? The example is outdated. COPTFLAGS is used for the kernel. Everything else, including kernel modules, uses CFLAGS. 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ASN(0.00)[asn:8075, ipnet:2a01:111:f000::/36, country:US]; MLMMJ_DEST(0.00)[questions@freebsd.org]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[hotmail.com:dkim]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[hotmail.com:+] X-Spamd-Bar: -- X-Rspamd-Queue-Id: 4gZkmR23PZz3KTr On 6/9/26 03:51, Dag-Erling Smørgrav wrote: > Jan Stary writes: >> I don't see any of these in either the example make.conf >> or the make.conf(5) manpage [...] > > That's the wrong manual page. You should read build(7), arch(7), and > src.conf(5) instead. I'll look into removing the kernel and world > sections from make.conf(5). A section briefly explaining to use the other files or see the other documents to adjust the build properties for only base/kernel and not impact ports and other external builds would be good. When to use vs not use seems to cause confusion among those learning. > DES