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Hartmann" CC: FreeBSD CURRENT , Subject: Re: WITH_META_MODE: any effect? Tree built twice! In-Reply-To: <20181212134837.0ea4dd42@thor.intern.walstatt.dynvpn.de> References: <20181212134837.0ea4dd42@thor.intern.walstatt.dynvpn.de> Comments: In-reply-to: "O. Hartmann" message dated "Wed, 12 Dec 2018 13:48:10 +0100." From: "Simon J. 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Hartmann wrote: > delete-old|-libs afterwards, I started again a build (filemon loaded!). = And, surprise, > surprise, compilation of all the long-haul taking LLVM/CLANG stuff start= s again! That is > not funny. If you have META_MODE enabled -dM will tell you if meta_oodate decided the target needs update - and if so exactly why. Eg. a command changed, a file is updated, missing etc. If it says nothing, then the target was out-of-date per normal make rules. = > Why do I have to rebuild world twice to get WITH_META_MODE in effect? I don't follow; why do you think that is the case? > These setting dind't change over the past time, except some WITHOUT_ tag= s. > = > Are there any unrevealed secrets? If changing any of those knobs impacts CFLAGS etc - then pretty much everything will be out-of-date. Adding -dM to your build command should be very instructive.