Date: Sun, 29 May 2016 15:53:15 -0700 From: Mark Millard <markmi@dsl-only.net> To: FreeBSD Current <freebsd-current@freebsd.org> Cc: Bryan Drewery <bryan-lists@shatow.net>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: [CFT] WITH_META_MODE: Working incremental build [only on i386 and amd64] Message-ID: <FE82CBAD-ED55-41A3-9413-34948A9CBC0F@dsl-only.net>
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Quoting the original note about WITH_META_MODE ( https://lists.freebsd.org/pipermail/freebsd-current/2016-May/061481.html ): > You will also need to load the filemon(4) module with 'kldload filemon'. But head's sys/modules/Makefile says: > .if defined(MODULES_OVERRIDE) && !defined(ALL_MODULES) > SUBDIR=${MODULES_OVERRIDE} > .else > SUBDIR= \ . . . > ${_filemon} \ . . . > .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" . . . > _filemon= filemon . . . as the only contexts that provide a filemon.ko to use with kldload. Thus, for example, arm variants (32 bit and 64 bit) and powerpc variants (32bit and 64 bit) do not have WITH_META_MODE as an option as things are set up. I had been hoping to cut down on the time for clang-related rebuilds during native buildworld runs on my slower buildworld contexts (armv7a/cortex-a7, powerpc, powerpc64). But it was not to be. It appears that, once some arm variants are officially tier 1, WITH_META_MODE will not span all tier 1 platforms. [Since I tend to use non-tier-1 platforms I tend to notice some of the statements about FreeBSD that are true of only tier 1 without being explicit about it. But initially it takes some research to discover that status for each such point. WITH_META_MODE is an example.] === Mark Millard markmi at dsl-only.nethelp
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