1# SPDX-License-Identifier: BSD-2-Clause 2# 3# $Id: meta.autodep.mk,v 1.62 2024/02/17 17:26:57 sjg Exp $ 4 5# 6# @(#) Copyright (c) 2010, Simon J. Gerraty 7# 8# This file is provided in the hope that it will 9# be of use. There is absolutely NO WARRANTY. 10# Permission to copy, redistribute or otherwise 11# use this file is hereby granted provided that 12# the above copyright notice and this notice are 13# left intact. 14# 15# Please send copies of changes and bug-fixes to: 16# sjg@crufty.net 17# 18 19_this ?= ${.PARSEFILE} 20.if !target(__${_this}__) 21__${_this}__: .NOTMAIN 22 23.-include <local.autodep.mk> 24 25PICO?= .pico 26 27.if defined(SRCS) 28.if ${MAKE_VERSION:U0} >= 20211212 29OBJ_SUFFIXES += ${.SUFFIXES:M*o} 30.else 31# it would be nice to be able to query .SUFFIXES 32OBJ_SUFFIXES += .o .po .lo ${PICO} 33.endif 34 35# explicit dependencies help short-circuit .SUFFIX searches 36SRCS_DEP_FILTER+= N*.[hly] 37.for s in ${SRCS:${SRCS_DEP_FILTER:O:u:ts:}} 38.for e in ${OBJ_SUFFIXES:O:u} 39.if !target(${s:T:R}$e) 40${s:T:R}$e: $s 41.endif 42.endfor 43.endfor 44.endif 45 46.if make(gendirdeps) 47# you are supposed to know what you are doing! 48UPDATE_DEPENDFILE = yes 49.elif !empty(.TARGETS) && !make(all) 50# do not update the *depend* files 51# unless we are building the entire directory or the default target. 52# NO means don't update .depend - or Makefile.depend* 53# no means update .depend but not Makefile.depend* 54UPDATE_DEPENDFILE = NO 55.elif ${.MAKEFLAGS:M-k} != "" 56# it is a bad idea to update anything 57UPDATE_DEPENDFILE = NO 58.endif 59 60_CURDIR ?= ${.CURDIR} 61_OBJDIR ?= ${.OBJDIR} 62_OBJTOP ?= ${OBJTOP} 63_OBJROOT ?= ${OBJROOT:U${_OBJTOP}} 64_DEPENDFILE := ${_CURDIR}/${.MAKE.DEPENDFILE:T} 65 66.if ${.MAKE.LEVEL} > 0 67# do not allow auto update if we ever built this dir without filemon 68NO_FILEMON_COOKIE = .nofilemon 69CLEANFILES += ${NO_FILEMON_COOKIE} 70.if ${.MAKE.MODE:Uno:Mnofilemon} != "" 71UPDATE_DEPENDFILE = NO 72all: ${NO_FILEMON_COOKIE} 73${NO_FILEMON_COOKIE}: .NOMETA 74 @echo UPDATE_DEPENDFILE=NO > ${.TARGET} 75.elif exists(${NO_FILEMON_COOKIE}) 76UPDATE_DEPENDFILE = NO 77.warning ${RELDIR} built with nofilemon; UPDATE_DEPENDFILE=NO 78.endif 79.endif 80 81.if ${.MAKE.LEVEL} == 0 82UPDATE_DEPENDFILE = NO 83.endif 84.if !exists(${_DEPENDFILE}) 85_bootstrap_dirdeps = yes 86.endif 87_bootstrap_dirdeps ?= no 88UPDATE_DEPENDFILE ?= yes 89 90.if ${DEBUG_AUTODEP:Uno:@m@${RELDIR:M$m}@} != "" 91.info ${_DEPENDFILE:S,${SRCTOP}/,,} update=${UPDATE_DEPENDFILE} 92.endif 93 94.if !empty(XMAKE_META_FILE) 95.if exists(${.OBJDIR}/${XMAKE_META_FILE}) 96# we cannot get accurate dependencies from an update build 97UPDATE_DEPENDFILE = NO 98.else 99META_XTRAS += ${XMAKE_META_FILE} 100.endif 101.endif 102 103.if ${_bootstrap_dirdeps} == "yes" || exists(${_DEPENDFILE}) 104# if it isn't supposed to be touched by us the Makefile should have 105# UPDATE_DEPENDFILE = no 106WANT_UPDATE_DEPENDFILE ?= yes 107.endif 108 109.if ${WANT_UPDATE_DEPENDFILE:Uno:tl} != "no" 110.if ${.MAKE.MODE:Uno:Mmeta*} == "" || ${.MAKE.MODE:Uno:M*read*} != "" 111UPDATE_DEPENDFILE = no 112.endif 113 114.if ${DEBUG_AUTODEP:Uno:@m@${RELDIR:M$m}@} != "" 115.info ${_DEPENDFILE:S,${SRCTOP}/,,} update=${UPDATE_DEPENDFILE} 116.endif 117 118.if ${UPDATE_DEPENDFILE:tl} == "yes" 119# sometimes we want .meta files generated to aid debugging/error detection 120# but do not want to consider them for dependencies 121# for example the result of running configure 122# just make sure this is not empty 123META_FILE_FILTER ?= N.meta 124# never consider these 125META_FILE_FILTER += Ndirdeps.cache* 126 127.if !empty(DPADD) 128# if we have any non-libs in DPADD, 129# they probably need to be paid attention to 130.if !empty(DPLIBS) 131FORCE_DPADD = ${DPADD:${DPLIBS:${M_ListToSkip}}:${DPADD_LAST:${M_ListToSkip}}} 132.else 133_nonlibs := ${DPADD:T:Nlib*:N*include} 134.if !empty(_nonlibs) 135FORCE_DPADD += ${_nonlibs:@x@${DPADD:M*/$x}@} 136.endif 137.endif 138.endif 139 140.if !make(gendirdeps) 141.END: gendirdeps 142.endif 143 144.if ${LOCAL_DEPENDS_GUARD:U} == "no" 145.depend: 146.endif 147 148# if we don't have OBJS, then .depend isn't useful 149.if !target(.depend) && (!empty(OBJS) || ${.ALLTARGETS:M*.o} != "") 150# some makefiles and/or targets contain 151# circular dependencies if you dig too deep 152# (as meta mode is apt to do) 153# so we provide a means of suppressing them. 154# the input to the loop below is target: dependency 155# with just one dependency per line. 156# Also some targets are not really local, or use random names. 157# Use local.autodep.mk to provide local additions! 158SUPPRESS_DEPEND += \ 159 ${SB:S,/,_,g}* \ 160 *:y.tab.c \ 161 *.c:*.c \ 162 *.h:*.h 163 164.NOPATH: .depend 165# we use ${.MAKE.META.CREATED} to trigger an update but 166# we process using ${.MAKE.META.FILES} 167# the double $$ defers initial evaluation 168# if necessary, we fake .po dependencies, just so the result 169# in Makefile.depend* is stable 170# The current objdir may be referred to in various ways 171OBJDIR_REFS += ${.OBJDIR} ${.OBJDIR:tA} ${_OBJDIR} ${RELOBJTOP}/${RELDIR} 172_depend = .depend 173# it would be nice to be able to get .SUFFIXES as ${.SUFFIXES} 174# we actually only care about the .SUFFIXES of files that might be 175# generated by tools like yacc. 176.if ${MAKE_VERSION:U0} >= 20211212 177DEPEND_SUFFIXES += ${.SUFFIXES:N.sh:N*[0-9aFfglopmnrSsty]} 178.else 179DEPEND_SUFFIXES += .c .h .cpp .hpp .cxx .hxx .cc .hh 180.endif 181.depend: .NOMETA $${.MAKE.META.CREATED} ${_this} 182 @echo "Updating $@: ${.OODATE:T:[1..8]}" 183 @${EGREP:Uegrep} -i '^R .*\.(${DEPEND_SUFFIXES:tl:O:u:S,^.,,:ts|})$$' /dev/null ${.MAKE.META.FILES:T:O:u:${META_FILE_FILTER:ts:}:M*o.meta} | \ 184 sed -e 's, \./, ,${OBJDIR_REFS:O:u:@d@;s, $d/, ,@};/\//d' \ 185 -e 's,^\([^/][^/]*\).meta...[0-9]* ,\1: ,' | \ 186 sort -u | \ 187 while read t d; do \ 188 case "$$d:" in $$t) continue;; esac; \ 189 case "$$t$$d" in ${SUPPRESS_DEPEND:U.:O:u:ts|}) continue;; esac; \ 190 echo $$t $$d; \ 191 done > $@.${.MAKE.PID} 192 @case "${.MAKE.META.FILES:T:M*.po.*}" in \ 193 *.po.*) mv $@.${.MAKE.PID} $@;; \ 194 *) { cat $@.${.MAKE.PID}; \ 195 sed ${OBJ_SUFFIXES:N.o:N.po:@o@-e 's,\$o:,.o:,'@} \ 196 -e 's,\.o:,.po:,' $@.${.MAKE.PID}; } | sort -u > $@; \ 197 rm -f $@.${.MAKE.PID};; \ 198 esac 199.else 200# make sure this exists 201.depend: 202# do _not_ assume that .depend is in any fit state for us to use 203CAT_DEPEND = /dev/null 204.if ${.MAKE.LEVEL} > 0 205.export CAT_DEPEND 206.endif 207_depend = 208.endif 209 210.if ${DEBUG_AUTODEP:Uno:@m@${RELDIR:M$m}@} != "" 211.info ${_DEPENDFILE:S,${SRCTOP}/,,} _depend=${_depend} 212.endif 213 214.if ${UPDATE_DEPENDFILE} == "yes" 215gendirdeps: beforegendirdeps .WAIT ${_DEPENDFILE} 216beforegendirdeps: 217.endif 218 219.if !target(${_DEPENDFILE}) 220.if ${_bootstrap_dirdeps} == "yes" 221# We are boot-strapping a new directory 222# Use DPADD to seed DIRDEPS 223.if !empty(DPADD) 224# anything which matches ${_OBJROOT}* but not ${_OBJTOP}* 225# needs to be qualified in DIRDEPS 226# The pseudo machine "host" is used for HOST_TARGET 227DIRDEPS += \ 228 ${DPADD:M${_OBJTOP}*:H:C,${_OBJTOP}[^/]*/,,:N.:O:u} \ 229 ${DPADD:M${_OBJROOT}*:N${_OBJTOP}*:N${STAGE_ROOT:U${_OBJTOP}}/*:H:S,${_OBJROOT},,:C,^([^/]+)/(.*),\2.\1,:S,${HOST_TARGET}$,host,:N.*:O:u} 230 231.endif 232.endif 233 234_gendirdeps_mutex = 235.if defined(NEED_GENDIRDEPS_MUTEX) 236# If a src dir gets built with multiple object dirs, 237# we need a mutex. Obviously, this is best avoided. 238# Note if .MAKE.DEPENDFILE is common for all ${MACHINE} 239# you either need to mutex, or ensure only one machine builds at a time! 240# lockf is an example of a suitable tool 241LOCKF ?= /usr/bin/lockf 242.if exists(${LOCKF}) 243GENDIRDEPS_MUTEXER ?= ${LOCKF} -k 244.endif 245.if empty(GENDIRDEPS_MUTEXER) 246.error NEED_GENDIRDEPS_MUTEX defined, but GENDIRDEPS_MUTEXER not set 247.else 248_gendirdeps_mutex = ${GENDIRDEPS_MUTEXER} ${GENDIRDEPS_MUTEX:U${_CURDIR}/Makefile} 249.endif 250.endif 251 252# If we have META_XTRAS we most likely did not create them 253# but we need to behave as if we did. 254# Avoid adding glob patterns to .MAKE.META.CREATED though. 255.MAKE.META.CREATED += ${META_XTRAS:N*\**:O:u} 256 257.if make(gendirdeps) 258META_FILES = *.meta 259.elif ${OPTIMIZE_OBJECT_META_FILES:Uno:tl} == "no" 260META_FILES = ${.MAKE.META.FILES:T:N.depend*:O:u} 261.else 262# if we have 1000's of .o.meta, ${PICO}.meta etc we need only look at one set 263# it is left as an exercise for the reader to work out what this does 264META_FILES = ${.MAKE.META.FILES:T:N.depend*:N*o.meta:O:u} \ 265 ${.MAKE.META.FILES:T:M*.${.MAKE.META.FILES:M*o.meta:R:E:O:u:[1]}.meta:O:u} 266.endif 267 268.if ${DEBUG_AUTODEP:Uno:@m@${RELDIR:M$m}@} != "" 269.info ${_DEPENDFILE:S,${SRCTOP}/,,}: ${_depend} ${.PARSEDIR}/gendirdeps.mk ${META2DEPS} xtras=${META_XTRAS} 270.endif 271 272.if ${.MAKE.LEVEL} > 0 273.if ${UPDATE_DEPENDFILE} == "yes" 274.-include <${.CURDIR}/${.MAKE.DEPENDFILE_PREFIX}.options> 275.endif 276.if !empty(GENDIRDEPS_FILTER) 277.export GENDIRDEPS_FILTER 278.endif 279# export to avoid blowing command line limit 280META_FILES := ${META_XTRAS:U:O:u} ${META_FILES:U:T:O:u:${META_FILE_FILTER:ts:}} 281.export META_FILES 282.endif 283 284# we might have .../ in MAKESYSPATH 285_makesyspath:= ${_PARSEDIR} 286${_DEPENDFILE}: ${_depend} ${.PARSEDIR}/gendirdeps.mk ${META2DEPS} $${.MAKE.META.CREATED} 287 @echo Checking $@: ${.OODATE:T:[1..8]} 288 @(cd . && ${GENDIRDEPS_ENV} \ 289 SKIP_GENDIRDEPS='${SKIP_GENDIRDEPS:O:u}' \ 290 DPADD='${FORCE_DPADD:O:u}' ${_gendirdeps_mutex} \ 291 MAKESYSPATH=${_makesyspath} \ 292 ${.MAKE} -f gendirdeps.mk RELDIR=${RELDIR} _DEPENDFILE=${_DEPENDFILE}) 293 @test -s $@ && touch $@; : 294.endif 295 296.endif 297.endif 298 299.if ${_bootstrap_dirdeps} == "yes" 300DIRDEPS+= ${RELDIR}.${TARGET_SPEC:U${MACHINE}} 301# make sure this is included at least once 302.include <dirdeps.mk> 303.else 304${_DEPENDFILE}: .PRECIOUS 305.endif 306 307CLEANFILES += *.meta filemon.* *.db 308 309# these make it easy to gather some stats 310now_utc ?= ${%s:L:localtime} 311start_utc := ${now_utc} 312 313meta_stats= meta=${empty(.MAKE.META.FILES):?0:${.MAKE.META.FILES:[#]}} \ 314 created=${empty(.MAKE.META.CREATED):?0:${.MAKE.META.CREATED:[#]}} 315 316.if !target(_reldir_finish) 317#.END: _reldir_finish 318.if target(gendirdeps) 319_reldir_finish: gendirdeps 320.endif 321_reldir_finish: .NOMETA 322 @echo "${TIME_STAMP} Finished ${RELDIR}.${TARGET_SPEC} seconds=$$(( ${now_utc} - ${start_utc} )) ${meta_stats}" 323.endif 324 325.if !target(_reldir_failed) 326#.ERROR: _reldir_failed 327_reldir_failed: .NOMETA 328 @echo "${TIME_STAMP} Failed ${RELDIR}.${TARGET_SPEC} seconds=$$(( ${now_utc} - ${start_utc} )) ${meta_stats}" 329.endif 330 331.if !defined(WITHOUT_META_STATS) && ${.MAKE.LEVEL} > 0 332.END: _reldir_finish 333.ERROR: _reldir_failed 334.endif 335 336.-include <ccm.dep.mk> 337 338.endif 339