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Diffstat (limited to 'contrib/bmake/mk/jobs.mk')
| -rw-r--r-- | contrib/bmake/mk/jobs.mk | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/contrib/bmake/mk/jobs.mk b/contrib/bmake/mk/jobs.mk new file mode 100644 index 000000000000..f39f1eb178ae --- /dev/null +++ b/contrib/bmake/mk/jobs.mk @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: BSD-2-Clause +# +# $Id: jobs.mk,v 1.17 2024/02/17 17:26:57 sjg Exp $ +# +# @(#) Copyright (c) 2012-2023, Simon J. Gerraty +# +# This file is provided in the hope that it will +# be of use. There is absolutely NO WARRANTY. +# Permission to copy, redistribute or otherwise +# use this file is hereby granted provided that +# the above copyright notice and this notice are +# left intact. +# +# Please send copies of changes and bug-fixes to: +# sjg@crufty.net +# + +# This makefile is used by top-level makefile. +# With the following: +# +# .if make(*-jobs) +# .include <jobs.mk> +# .endif +# +# +# Then if you do: +# +# mk target-jobs +# +# We will run: +# +# ${MAKE} -j${JOB_MAX} target > ${JOB_LOGDIR}/target.log 2>&1 +# +# JOB_MAX should be something like 1.2 - 1.5 times the number of +# available CPUs. +# If bmake sets .MAKE.JOBS.C=yes we can use -jC and +# JOB_MAX defaults to JOB_MAX_C (default 1.33C). +# Otherwise we use 8. +# + +now_utc ?= ${%s:L:localtime} +.if !defined(start_utc) +start_utc := ${now_utc} +.endif + +.if make(*-jobs) +.info ${.newline}${TIME_STAMP} Start ${.TARGETS} + +JOB_LOGDIR ?= ${SRCTOP:H} +JOB_LOG = ${JOB_LOGDIR}/${.TARGET:S,-jobs,,:S,/,_,g}.log +JOB_LOG_GENS ?= 4 +# we like to rotate logs +.if empty(NEWLOG_SH) +.for d in ${.SYSPATH:U${.PARSEDIR}:@x@$x $x/scripts@} +.if exists($d/newlog.sh) +NEWLOG_SH := $d/newlog.sh +.if ${MAKE_VERSION} > 20220924 +.break +.endif +.endif +.endfor +.if empty(NEWLOG_SH) +.ifdef M_whence +NEWLOG_SH := ${newlog.sh:L:${M_whence}} +.else +NEWLOG_SH := ${(type newlog.sh) 2> /dev/null:L:sh:M/*} +.endif +.endif +.endif +.if !empty(NEWLOG_SH) && exists(${NEWLOG_SH}) +NEWLOG := sh ${NEWLOG_SH} +JOB_NEWLOG_ARGS ?= -S -n ${JOB_LOG_GENS} +.else +NEWLOG = : +.endif + +.if ${.MAKE.JOBS:U0} > 0 +JOB_MAX = ${.MAKE.JOBS} +.else +# This should be derrived from number of cpu's +.if ${.MAKE.JOBS.C:Uno} == "yes" +# 1.2 - 1.5 times nCPU works well on most machines that support -jC +# if the factor is floating point, the C suffix isn't needed +JOB_MAX_C ?= 1.33 +JOB_MAX ?= ${JOB_MAX_C} +.endif +JOB_MAX ?= 8 +JOB_ARGS += -j${JOB_MAX} +.endif + +# we need to reset .MAKE.LEVEL to 0 so that +# build orchestration works as expected (DIRDEPS_BUILD) +${.TARGETS:M*-jobs}: + @${NEWLOG} ${JOB_NEWLOG_ARGS} ${JOB_LOG} + @echo "${TIME_STAMP} Start ${.TARGET:S,-jobs,,} ${JOB_ARGS} ${JOB_LOG_START} log=${JOB_LOG}" | tee ${JOB_LOG} + @cd ${.CURDIR} && env MAKELEVEL=0 \ + ${.MAKE} ${JOB_ARGS} _TARGETS=${.TARGET:S,-jobs,,} ${.TARGET:S,-jobs,,} >> ${JOB_LOG} 2>&1 + +.endif + +.END: _build_finish +.ERROR: _build_failed + +_build_finish: .NOMETA + @echo "${TIME_STAMP} Finished ${.TARGETS} seconds=`expr ${now_utc} - ${start_utc}`" + +_build_failed: .NOMETA + @echo "${TIME_STAMP} Failed ${.TARGETS} seconds=`expr ${now_utc} - ${start_utc}`" |