1284345Ssjg# $FreeBSD$ 2284345Ssjg# $Id: meta.sys.mk,v 1.19 2014/08/02 23:16:02 sjg Exp $ 3284345Ssjg 4284345Ssjg# 5284345Ssjg# @(#) Copyright (c) 2010, Simon J. Gerraty 6284345Ssjg# 7284345Ssjg# This file is provided in the hope that it will 8284345Ssjg# be of use. There is absolutely NO WARRANTY. 9284345Ssjg# Permission to copy, redistribute or otherwise 10284345Ssjg# use this file is hereby granted provided that 11284345Ssjg# the above copyright notice and this notice are 12284345Ssjg# left intact. 13284345Ssjg# 14284345Ssjg# Please send copies of changes and bug-fixes to: 15284345Ssjg# sjg@crufty.net 16284345Ssjg# 17284345Ssjg 18284345Ssjg# include this if you want to enable meta mode 19284345Ssjg# for maximum benefit, requires filemon(4) driver. 20284345Ssjg 21284345Ssjg.if ${MAKE_VERSION:U0} > 20100901 22284345Ssjg.if !target(.ERROR) 23284345Ssjg 24284345Ssjg.-include "local.meta.sys.mk" 25284345Ssjg 26284345Ssjg# absoulte path to what we are reading. 27284345Ssjg_PARSEDIR = ${.PARSEDIR:tA} 28284345Ssjg 29284345SsjgMETA_MODE += meta verbose 30284345Ssjg.MAKE.MODE ?= ${META_MODE} 31284345Ssjg 32284345Ssjg.if ${.MAKE.LEVEL} == 0 33284345Ssjg_make_mode := ${.MAKE.MODE} ${META_MODE} 34284345Ssjg.if ${_make_mode:M*read*} != "" || ${_make_mode:M*nofilemon*} != "" 35284345Ssjg# tell everyone we are not updating Makefile.depend* 36284345SsjgUPDATE_DEPENDFILE = NO 37284345Ssjg.export UPDATE_DEPENDFILE 38284345Ssjg.endif 39284345Ssjg.if ${UPDATE_DEPENDFILE:Uyes:tl} == "no" && !exists(/dev/filemon) 40284345Ssjg# we should not get upset 41284345SsjgMETA_MODE += nofilemon 42284345Ssjg.export META_MODE 43284345Ssjg.endif 44284345Ssjg.endif 45284345Ssjg 46284345Ssjg.if !defined(NO_SILENT) 47284345Ssjg.if ${MAKE_VERSION} > 20110818 48284345Ssjg# only be silent when we have a .meta file 49284345SsjgMETA_MODE += silent=yes 50284345Ssjg.else 51284345Ssjg.SILENT: 52284345Ssjg.endif 53284345Ssjg.endif 54284345Ssjg 55284345Ssjg# make defaults .MAKE.DEPENDFILE to .depend 56284345Ssjg# that won't work for us. 57284345Ssjg.if ${.MAKE.DEPENDFILE} == ".depend" 58284345Ssjg.undef .MAKE.DEPENDFILE 59284345Ssjg.endif 60284345Ssjg 61284345Ssjg# if you don't cross build for multiple MACHINEs concurrently, then 62284345Ssjg# .MAKE.DEPENDFILE = Makefile.depend 63284345Ssjg# probably makes sense - you can set that in local.sys.mk 64284345Ssjg.MAKE.DEPENDFILE ?= Makefile.depend.${MACHINE} 65284345Ssjg 66284345Ssjg# we use the pseudo machine "host" for the build host. 67284345Ssjg# this should be taken care of before we get here 68284345Ssjg.if ${OBJTOP:Ua} == ${HOST_OBJTOP:Ub} 69284345SsjgMACHINE = host 70284345Ssjg.endif 71284345Ssjg 72284345Ssjg.if ${.MAKE.LEVEL} == 0 73284345Ssjg# it can be handy to know which MACHINE kicked off the build 74284345Ssjg# for example, if using Makefild.depend for multiple machines, 75284345Ssjg# allowing only MACHINE0 to update can keep things simple. 76284345SsjgMACHINE0 := ${MACHINE} 77284345Ssjg.export MACHINE0 78284345Ssjg 79284345Ssjg.if defined(PYTHON) && exists(${PYTHON}) 80284345Ssjg# we prefer the python version of this - it is much faster 81284345SsjgMETA2DEPS ?= ${.PARSEDIR}/meta2deps.py 82284345Ssjg.else 83284345SsjgMETA2DEPS ?= ${.PARSEDIR}/meta2deps.sh 84284345Ssjg.endif 85284345SsjgMETA2DEPS := ${META2DEPS} 86284345Ssjg.export META2DEPS 87284345Ssjg.endif 88284345Ssjg 89284345SsjgMAKE_PRINT_VAR_ON_ERROR += \ 90284345Ssjg .ERROR_TARGET \ 91284345Ssjg .ERROR_META_FILE \ 92284345Ssjg .MAKE.LEVEL \ 93284345Ssjg MAKEFILE \ 94284345Ssjg .MAKE.MODE 95284345Ssjg 96284345Ssjg.if !defined(SB) && defined(SRCTOP) 97284345SsjgSB = ${SRCTOP:H} 98284345Ssjg.endif 99284345SsjgERROR_LOGDIR ?= ${SB}/error 100284345Ssjgmeta_error_log = ${ERROR_LOGDIR}/meta-${.MAKE.PID}.log 101284345Ssjg 102284345Ssjg# we are not interested in make telling us a failure happened elsewhere 103284345Ssjg.ERROR: _metaError 104284345Ssjg_metaError: .NOMETA .NOTMAIN 105284345Ssjg -@[ "${.ERROR_META_FILE}" ] && { \ 106284345Ssjg grep -q 'failure has been detected in another branch' ${.ERROR_META_FILE} && exit 0; \ 107284345Ssjg mkdir -p ${meta_error_log:H}; \ 108284345Ssjg cp ${.ERROR_META_FILE} ${meta_error_log}; \ 109284345Ssjg echo "ERROR: log ${meta_error_log}" >&2; }; : 110284345Ssjg 111284345Ssjg.endif 112284345Ssjg 113284345Ssjg# Are we, after all, in meta mode? 114296637Ssjg.if ${.MAKE.MODE:Uno:Mmeta*} != "" 115284345SsjgMKDEP_MK = meta.autodep.mk 116284345Ssjg 117284345Ssjg# if we think we are updating dependencies, 118284345Ssjg# then filemon had better be present 119284345Ssjg.if ${UPDATE_DEPENDFILE:Uyes:tl} != "no" && !exists(/dev/filemon) 120284345Ssjg.error ${.newline}ERROR: The filemon module (/dev/filemon) is not loaded. 121284345Ssjg.endif 122284345Ssjg 123284345Ssjg.if ${.MAKE.LEVEL} == 0 124284345Ssjg# make sure dirdeps target exists and do it first 125284345Ssjgall: dirdeps .WAIT 126284345Ssjgdirdeps: 127284345Ssjg.NOPATH: dirdeps 128284345Ssjg 129284345Ssjg.if defined(ALL_MACHINES) 130284345Ssjg# the first .MAIN: is what counts 131284345Ssjg# by default dirdeps is all we want at level0 132284345Ssjg.MAIN: dirdeps 133284345Ssjg# tell dirdeps.mk what we want 134284345SsjgBUILD_AT_LEVEL0 = no 135284345Ssjg.endif 136284345Ssjg.if ${.TARGETS:Nall} == "" 137284345Ssjg# it works best if we do everything via sub-makes 138284345SsjgBUILD_AT_LEVEL0 ?= no 139284345Ssjg.endif 140284345Ssjg 141284345Ssjg.endif 142284345Ssjg.endif 143284345Ssjg.endif 144