0df4d8ad7a
jobs.mk automates -j$JOB_MAX and capturing build log based on target. Compute a default for JOB_MAX in local.sys.mk Reviewed by: stevek, imp Differential Revision: https://reviews.freebsd.org/D39683
89 lines
2.1 KiB
Makefile
89 lines
2.1 KiB
Makefile
# $Id: jobs.mk,v 1.7 2023/04/18 23:32:28 sjg Exp $
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#
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# @(#) Copyright (c) 2012-2023, Simon J. Gerraty
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#
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# This file is provided in the hope that it will
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# be of use. There is absolutely NO WARRANTY.
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# Permission to copy, redistribute or otherwise
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# use this file is hereby granted provided that
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# the above copyright notice and this notice are
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# left intact.
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#
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# Please send copies of changes and bug-fixes to:
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# sjg@crufty.net
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#
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# This makefile is used by top-level makefile.
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# With the following:
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#
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# .if make(*-jobs)
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# .include <jobs.mk>
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# .endif
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#
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#
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# Then if you do:
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#
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# mk target-jobs
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#
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# We will run:
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#
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# ${MAKE} -j${JOB_MAX} target > ${JOB_LOGDIR}/target.log 2>&1
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#
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# JOB_MAX defaults to 8 but should normally be derrived based on the
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# number of cpus available. The wrapper script 'mk' makes that easy.
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#
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now_utc ?= ${%s:L:gmtime}
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.if !defined(start_utc)
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start_utc := ${now_utc}
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.endif
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.info ${.newline}${TIME_STAMP} Start ${.TARGETS}
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.if make(*-jobs)
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JOB_LOGDIR ?= ${SRCTOP:H}
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JOB_LOG = ${JOB_LOGDIR}/${.TARGET:S,-jobs,,:S,/,_,g}.log
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JOB_LOG_GENS ?= 4
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# we like to rotate logs
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.if empty(NEWLOG_SH)
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.ifdef M_whence
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NEWLOG_SH := ${newlog.sh:L:${M_whence}}
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.else
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NEWLOG_SH := ${(type newlog.sh) 2> /dev/null:L:sh:M/*}
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.endif
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.endif
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.if !empty(NEWLOG_SH) && exists(${NEWLOG_SH})
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NEWLOG := sh ${NEWLOG_SH}
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JOB_NEWLOG_ARGS ?= -S -n ${JOB_LOG_GENS}
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.else
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NEWLOG = :
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.endif
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.if ${.MAKE.JOBS:U0} > 0
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JOB_MAX= ${.MAKE.JOBS}
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.else
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# This should be derrived from number of cpu's
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JOB_MAX?= 8
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JOB_ARGS+= -j${JOB_MAX}
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.endif
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# we need to reset .MAKE.LEVEL to 0 do that
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# build orchestration works as expected (DIRDEPS_BUILD)
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${.TARGETS:M*-jobs}:
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@${NEWLOG} ${JOB_NEWLOG_ARGS} ${JOB_LOG}
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@echo Logging to ${JOB_LOG}
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@cd ${.CURDIR} && env MAKELEVEL=0 \
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${.MAKE} ${JOB_ARGS} _TARGETS=${.TARGET:S,-jobs,,} ${.TARGET:S,-jobs,,} >> ${JOB_LOG} 2>&1
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.endif
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.END: _build_finish
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.ERROR: _build_failed
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_build_finish: .NOMETA
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@echo "${TIME_STAMP} Finished ${.TARGETS} seconds=`expr ${now_utc} - ${start_utc}`"
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_build_failed: .NOMETA
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@echo "${TIME_STAMP} Failed ${.TARGETS} seconds=`expr ${now_utc} - ${start_utc}`"
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