1# $Id: gendirdeps.mk,v 1.12 2013/02/10 19:59:10 sjg Exp $ 2 3# Copyright (c) 2010-2013, Juniper Networks, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27# 28# This makefile [re]generates ${.MAKE.DEPENDFILE} 29# 30 31.include <install-new.mk> 32 33# Assumptions: 34# RELDIR is the relative path from ${SRCTOP} to ${_CURDIR} 35# (SRCTOP is ${SB}/src) 36# _CURDIR is the absolute version of ${.CURDIR} 37# _OBJDIR is the absolute version of ${.OBJDIR} 38# _objroot is realpath of ${_OBJTOP} without ${MACHINE} 39# this may be different from _OBJROOT if $SB/obj is a 40# symlink to another filesystem. 41# _objroot must be a prefix match for _objtop 42 43.MAIN: all 44 45# keep this simple 46.MAKE.MODE = compat 47 48all: 49 50_CURDIR ?= ${.CURDIR} 51_OBJDIR ?= ${.OBJDIR} 52_OBJTOP ?= ${OBJTOP} 53_OBJROOT ?= ${OBJROOT:U${_OBJTOP}} 54.if ${_OBJROOT:M*/} 55_slash=/ 56.else 57_slash= 58.endif 59_objroot ?= ${_OBJROOT:tA}${_slash} 60 61_this = ${.PARSEDIR}/${.PARSEFILE} 62 63# remember what to make 64_DEPENDFILE := ${_CURDIR}/${.MAKE.DEPENDFILE:T} 65 66# We do _not_ want to read our own output! 67.MAKE.DEPENDFILE = /dev/null 68 69# caller should have set this 70META_FILES ?= ${.MAKE.META.FILES} 71 72.if !empty(META_FILES) 73 74.if ${.MAKE.LEVEL} > 0 && !empty(GENDIRDEPS_FILTER) 75# so we can compare below 76.-include <${_DEPENDFILE}> 77# yes, I mean :U with no value 78_DIRDEPS := ${DIRDEPS:U:O:u} 79.endif 80 81META_FILES := ${META_FILES:T:O:u} 82.export META_FILES 83 84# pickup customizations 85.-include "local.gendirdeps.mk" 86 87# these are actually prefixes that we'll skip 88# they should all be absolute paths 89SKIP_GENDIRDEPS ?= 90.if !empty(SKIP_GENDIRDEPS) 91_skip_gendirdeps = egrep -v '^(${SKIP_GENDIRDEPS:O:u:ts|})' | 92.else 93_skip_gendirdeps = 94.endif 95 96# this (*should* be set in meta.sys.mk) 97# is the script that extracts what we want. 98META2DEPS ?= ${.PARSEDIR}/meta2deps.sh 99META2DEPS := ${META2DEPS} 100 101.if ${DEBUG_GENDIRDEPS:Uno:@x@${RELDIR:M$x}@} != "" && ${DEBUG_GENDIRDEPS:Uno:Mmeta2d*} != "" 102_time = time 103_sh_x = sh -x 104_py_d = -ddd 105.else 106_time = 107_sh_x = 108_py_d = 109.endif 110 111.if ${META2DEPS:E} == "py" 112# we can afford to do this all the time. 113DPDEPS ?= no 114META2DEPS_CMD = ${_time} ${PYTHON} ${META2DEPS} ${_py_d} \ 115 -R ${RELDIR} -H ${HOST_TARGET} \ 116 ${M2D_OBJROOTS:O:u:@o@-O $o@} 117 118.if ${DPDEPS:tl} != "no" 119META2DEPS_CMD += -D ${DPDEPS} 120.endif 121 122M2D_OBJROOTS += ${OBJTOP}/ ${_OBJROOT} ${_objroot} 123.if defined(SB_OBJROOT) 124M2D_OBJROOTS += ${SB_OBJROOT} 125.endif 126.if ${.MAKE.DEPENDFILE_PREFERENCE:U${.MAKE.DEPENDFILE}:M*.${MACHINE}} == "" 127# meta2deps.py only groks objroot 128# so we need to give it what it expects 129# and tell it not to add machine qualifiers 130META2DEPS_ARGS += MACHINE=none 131.endif 132.if defined(SB_BACKING_SB) 133META2DEPS_CMD += -S ${SB_BACKING_SB}/src 134M2D_OBJROOTS += ${SB_BACKING_SB}/${SB_OBJPREFIX} 135.endif 136META2DEPS_FILTER = sed 's,^src:,${SRCTOP}/,;s,^\([^/]\),${OBJTOP}/\1,' | 137.elif ${META2DEPS:E} == "sh" 138META2DEPS_CMD = ${_time} ${_sh_x} ${META2DEPS} \ 139 OBJTOP=${_objtop} SB_OBJROOT=${_objroot} 140.else 141META2DEPS_CMD ?= ${META2DEPS} 142.endif 143 144# we are only interested in the dirs 145# sepecifically those we read something from. 146# we canonicalize them to keep things simple 147# if we are using a split-fs sandbox, it gets a little messier. 148_objtop := ${_OBJTOP:tA} 149dir_list != cd ${_OBJDIR} && \ 150 ${META2DEPS_CMD} MACHINE=${MACHINE} \ 151 SRCTOP=${SRCTOP} RELDIR=${RELDIR} CURDIR=${_CURDIR} \ 152 ${META2DEPS_ARGS} \ 153 ${META_FILES:O:u} | ${META2DEPS_FILTER} ${_skip_gendirdeps} \ 154 sed 's,//*$$,,;s,\.${HOST_TARGET}$$,.host,' 155 156.if ${dir_list:M*ERROR\:*} != "" 157.warning ${dir_list:tW:C,.*(ERROR),\1,} 158.warning Skipping ${_DEPENDFILE:S,${SRCTOP}/,,} 159# we are not going to update anything 160.else 161 162.if !empty(DPADD) 163_nonlibs := ${DPADD:T:Nlib*:N*include} 164.if !empty(_nonlibs) 165ddep_list = 166.for f in ${_nonlibs:@x@${DPADD:M*/$x}@:tA} 167.if exists($f.dirdep) 168ddep_list += $f.dirdep 169.elif exists(${f:H}.dirdep) 170ddep_list += ${f:H}.dirdep 171.else 172dir_list += ${f:H} 173.endif 174.endfor 175.if !empty(ddep_list) 176ddeps != cat ${ddep_list:O:u} | ${META2DEPS_FILTER} ${_skip_gendirdeps} \ 177 sed 's,//*$$,,;s,\.${HOST_TARGET}$$,.host,' 178dir_list += ${ddeps} 179.endif 180.endif 181.endif 182 183# DIRDEPS represent things that had to have been built first 184# so they should all be undir OBJTOP. 185# Note that ${_OBJTOP}/bsd/include/machine will get reported 186# to us as $SRCTOP/bsd/sys/$MACHINE_ARCH/include meaning we 187# will want to visit bsd/include 188# so we add 189# ${"${dir_list:M*bsd/sys/${MACHINE_ARCH}/include}":?bsd/include:} 190# to GENDIRDEPS_DIR_LIST_XTRAS 191dirdep_list = \ 192 ${dir_list:M${_objtop}*/*:C,${_objtop}[^/]*/,,} \ 193 ${GENDIRDEPS_DIR_LIST_XTRAS} 194 195# sort longest first 196M2D_OBJROOTS := ${M2D_OBJROOTS:O:u:[-1..1]} 197 198# anything we use from an object dir other than ours 199# needs to be qualified with its .<machine> suffix 200# (we used the pseudo machine "host" for the HOST_TARGET). 201skip_ql= ${SRCTOP}* ${_objtop}* 202.for o in ${M2D_OBJROOTS:${skip_ql:${M_ListToSkip}}} 203qualdir_list += \ 204 ${dir_list:${skip_ql:${M_ListToSkip}}:M$o*/*/*:C,$o([^/]+)/(.*),\2.\1,:S,.${HOST_TARGET},.host,} 205skip_ql+= $o* 206.endfor 207 208dirdep_list := ${dirdep_list:O:u} 209qualdir_list := ${qualdir_list:N*.${MACHINE}:O:u} 210 211DIRDEPS = \ 212 ${dirdep_list:N${RELDIR}:N${RELDIR}/*} \ 213 ${qualdir_list:N${RELDIR}.*:N${RELDIR}/*} 214 215# We only consider things below $RELDIR/ if they have a makefile. 216# This is the same test that _DIRDEPS_USE applies. 217# We have do a double test with dirdep_list as it _may_ contain 218# qualified dirs - if we got anything from a stage dir. 219# qualdir_list we know are all qualified. 220# It would be nice do peform this check for all of DIRDEPS, 221# but we cannot assume that all of the tree is present, 222# in fact we can only assume that RELDIR is. 223DIRDEPS += \ 224 ${dirdep_list:M${RELDIR}/*:@d@${.MAKE.MAKEFILE_PREFERENCE:@m@${exists(${SRCTOP}/$d/$m):?$d:${exists(${SRCTOP}/${d:R}/$m):?$d:}}@}@} \ 225 ${qualdir_list:M${RELDIR}/*:@d@${.MAKE.MAKEFILE_PREFERENCE:@m@${exists(${SRCTOP}/${d:R}/$m):?$d:}@}@} 226 227DIRDEPS := ${DIRDEPS:${GENDIRDEPS_FILTER:UNno:ts:}:O:u} 228 229.if ${DEBUG_GENDIRDEPS:Uno:@x@${RELDIR:M$x}@} != "" 230.info ${RELDIR}: M2D_OBJROOTS=${M2D_OBJROOTS} 231.info ${RELDIR}: dir_list='${dir_list}' 232.info ${RELDIR}: dirdep_list='${dirdep_list}' 233.info ${RELDIR}: qualdir_list='${qualdir_list}' 234.info ${RELDIR}: SKIP_GENDIRDEPS='${SKIP_GENDIRDEPS}' 235.info ${RELDIR}: GENDIRDEPS_FILTER='${GENDIRDEPS_FILTER}' 236.info ${RELDIR}: FORCE_DPADD='${DPADD}' 237.info ${RELDIR}: DIRDEPS='${DIRDEPS}' 238.endif 239 240# SRC_DIRDEPS is for checkout logic 241src_dirdep_list = \ 242 ${dir_list:M${SRCTOP}/*:S,${SRCTOP}/,,} 243 244SRC_DIRDEPS = \ 245 ${src_dirdep_list:N${RELDIR}:N${RELDIR}/*:C,(/h)/.*,,} 246 247SRC_DIRDEPS := ${SRC_DIRDEPS:${GENDIRDEPS_SRC_FILTER:UN/*:ts:}:O:u} 248 249# if you want to capture SRC_DIRDEPS in .MAKE.DEPENDFILE put 250# SRC_DIRDEPS_FILE = ${_DEPENDFILE} 251# in local.gendirdeps.mk 252.if ${SRC_DIRDEPS_FILE:Uno:tl} != "no" 253ECHO_SRC_DIRDEPS = echo 'SRC_DIRDEPS = \'; echo '${SRC_DIRDEPS:@d@ $d \\${.newline}@}'; echo; 254 255.if ${SRC_DIRDEPS_FILE:T} == ${_DEPENDFILE:T} 256_include_src_dirdeps = ${ECHO_SRC_DIRDEPS} 257.else 258all: ${SRC_DIRDEPS_FILE} 259.if !target(${SRC_DIRDEPS_FILE}) 260${SRC_DIRDEPS_FILE}: ${META_FILES} ${_this} ${META2DEPS} 261 @(${ECHO_SRC_DIRDEPS}) > $@ 262.endif 263.endif 264.endif 265_include_src_dirdeps ?= 266 267all: ${_DEPENDFILE} 268 269# if this is going to exist it would be there by now 270.if !exists(.depend) 271CAT_DEPEND = /dev/null 272.endif 273CAT_DEPEND ?= .depend 274 275.if !empty(_DIRDEPS) && ${DIRDEPS} != ${_DIRDEPS} 276# we may have changed a filter 277.PHONY: ${_DEPENDFILE} 278.endif 279 280# 'cat .depend' should suffice, but if we are mixing build modes 281# .depend may contain things we don't want. 282# The sed command at the end of the stream, allows for the filters 283# to output _{VAR} tokens which we will turn into proper ${VAR} references. 284${_DEPENDFILE}: ${CAT_DEPEND:M.depend} ${META_FILES:O:u:@m@${exists($m):?$m:}@} ${_this} ${META2DEPS} 285 @(echo '# Autogenerated - do NOT edit!'; echo; \ 286 echo 'DEP_RELDIR := $${_PARSEDIR:S,$${SRCTOP}/,,}'; echo; \ 287 echo 'DIRDEPS = \'; \ 288 echo '${DIRDEPS:@d@ $d \\${.newline}@}'; echo; \ 289 ${_include_src_dirdeps} \ 290 echo '.include <dirdeps.mk>'; \ 291 echo; \ 292 echo '.if $${DEP_RELDIR} == $${_DEP_RELDIR}'; \ 293 echo '# local dependencies - needed for -jN in clean tree'; \ 294 [ -s ${CAT_DEPEND} ] && { grep : ${CAT_DEPEND} | grep -v '[/\\]'; }; \ 295 echo '.endif' ) | sed 's,_\([{(]\),$$\1,g' > $@.new${.MAKE.PID} 296 @${InstallNew}; InstallNew -s $@.new${.MAKE.PID} 297 298.endif # meta2deps failed 299.elif !empty(SUBDIR) 300 301DIRDEPS := ${SUBDIR:S,^,${RELDIR}/,:O:u} 302 303all: ${_DEPENDFILE} 304 305${_DEPENDFILE}: ${MAKEFILE} ${_this} 306 @(echo '# Autogenerated - do NOT edit!'; echo; \ 307 echo 'DEP_RELDIR := $${_PARSEDIR:S,$${SRCTOP}/,,}'; echo; \ 308 echo 'DIRDEPS = \'; \ 309 echo '${DIRDEPS:@d@ $d \\${.newline}@}'; echo; \ 310 echo '.include <dirdeps.mk>'; \ 311 echo ) | sed 's,_\([{(]\),$$\1,g' > $@.new 312 @${InstallNew}; InstallNew $@.new 313 314.else 315 316# nothing to do 317all ${_DEPENDFILE}: 318 319.endif 320${_DEPENDFILE}: .PRECIOUS 321