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Wed, 28 Feb 2024 09:24:43 -0500 (EST) Date: Wed, 28 Feb 2024 14:24:41 +0000 From: void To: freebsd-toolchain@freebsd.org Subject: LTO Message-ID: List-Id: Maintenance of FreeBSD s integrated toolchain List-Archive: https://lists.freebsd.org/archives/freebsd-toolchain List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-toolchain@freebsd.org X-BeenThere: freebsd-toolchain@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.36 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.98)[-0.984]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; MID_RHS_NOT_FQDN(0.50)[]; SUBJ_ALL_CAPS(0.23)[3]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm1,messagingengine.com:s=fm1]; R_SPF_ALLOW(-0.20)[+ip4:64.147.123.19:c]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[64.147.123.19:from]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_ONE(0.00)[1]; FREEMAIL_FROM(0.00)[f-m.fm]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; PREVIOUSLY_DELIVERED(0.00)[freebsd-toolchain@freebsd.org]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; MLMMJ_DEST(0.00)[freebsd-toolchain@freebsd.org]; ASN(0.00)[asn:29838, ipnet:64.147.123.0/24, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; MISSING_XM_UA(0.00)[]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim] X-Rspamd-Queue-Id: 4TlGp52b5sz4k5d Hi, I'm trying building ports with LTO in poudriere with this in the makefile: ### OPTIONS_SET+=LTO OPTIONS_SET+=LTO_BOOTSTRAP in order to establish cost/benefit of having it enabled or not. [1] is a build failure reportable, or shouldn't LTO be used yet? [2] does the poudriere jail need to be built with LTO? [3] does the host OS need to be built with LTO (and anything else?) This is on amd64 and either 14-stable or -current I'm looking for the most recent instructions, as from what I've been able to read so far, the whole thing is in a bit of a flux still, and the instructions seem incomplete and a bit old. Thin LTO or thick LTO? thanks in advance for any advice --