1# $Id: jobs.mk,v 1.9 2023/04/27 18:10:27 sjg Exp $ 2# 3# @(#) Copyright (c) 2012-2023, Simon J. Gerraty 4# 5# This file is provided in the hope that it will 6# be of use. There is absolutely NO WARRANTY. 7# Permission to copy, redistribute or otherwise 8# use this file is hereby granted provided that 9# the above copyright notice and this notice are 10# left intact. 11# 12# Please send copies of changes and bug-fixes to: 13# sjg@crufty.net 14# 15 16# This makefile is used by top-level makefile. 17# With the following: 18# 19# .if make(*-jobs) 20# .include <jobs.mk> 21# .endif 22# 23# 24# Then if you do: 25# 26# mk target-jobs 27# 28# We will run: 29# 30# ${MAKE} -j${JOB_MAX} target > ${JOB_LOGDIR}/target.log 2>&1 31# 32# JOB_MAX defaults to 8 but should normally be derrived based on the 33# number of cpus available. The wrapper script 'mk' makes that easy. 34# 35 36now_utc ?= ${%s:L:gmtime} 37.if !defined(start_utc) 38start_utc := ${now_utc} 39.endif 40 41.if make(*-jobs) 42.info ${.newline}${TIME_STAMP} Start ${.TARGETS} 43 44JOB_LOGDIR ?= ${SRCTOP:H} 45JOB_LOG = ${JOB_LOGDIR}/${.TARGET:S,-jobs,,:S,/,_,g}.log 46JOB_LOG_GENS ?= 4 47# we like to rotate logs 48.if empty(NEWLOG_SH) 49.for d in ${.SYSPATH:U${.PARSEDIR}:@x@$x $x/scripts@} 50.if exists($d/newlog.sh) 51NEWLOG_SH := $d/newlog.sh 52.if ${MAKE_VERSION} > 20220924 53.break 54.endif 55.endif 56.endfor 57.if empty(NEWLOG_SH) 58.ifdef M_whence 59NEWLOG_SH := ${newlog.sh:L:${M_whence}} 60.else 61NEWLOG_SH := ${(type newlog.sh) 2> /dev/null:L:sh:M/*} 62.endif 63.endif 64.endif 65.if !empty(NEWLOG_SH) && exists(${NEWLOG_SH}) 66NEWLOG := sh ${NEWLOG_SH} 67JOB_NEWLOG_ARGS ?= -S -n ${JOB_LOG_GENS} 68.else 69NEWLOG = : 70.endif 71 72.if ${.MAKE.JOBS:U0} > 0 73JOB_MAX= ${.MAKE.JOBS} 74.else 75# This should be derrived from number of cpu's 76JOB_MAX?= 8 77JOB_ARGS+= -j${JOB_MAX} 78.endif 79 80# we need to reset .MAKE.LEVEL to 0 do that 81# build orchestration works as expected (DIRDEPS_BUILD) 82${.TARGETS:M*-jobs}: 83 @${NEWLOG} ${JOB_NEWLOG_ARGS} ${JOB_LOG} 84 @echo "${TIME_STAMP} Start ${.TARGET:S,-jobs,,} ${JOB_ARGS} ${JOB_LOG_START} log=${JOB_LOG}" | tee ${JOB_LOG} 85 @cd ${.CURDIR} && env MAKELEVEL=0 \ 86 ${.MAKE} ${JOB_ARGS} _TARGETS=${.TARGET:S,-jobs,,} ${.TARGET:S,-jobs,,} >> ${JOB_LOG} 2>&1 87 88.endif 89 90.END: _build_finish 91.ERROR: _build_failed 92 93_build_finish: .NOMETA 94 @echo "${TIME_STAMP} Finished ${.TARGETS} seconds=`expr ${now_utc} - ${start_utc}`" 95 96_build_failed: .NOMETA 97 @echo "${TIME_STAMP} Failed ${.TARGETS} seconds=`expr ${now_utc} - ${start_utc}`" 98