1 # $Id: gendirdeps.mk,v 1.29 2015/10/03 05:00:46 sjg Exp $
3 # Copyright (c) 2010-2013, Juniper Networks, Inc.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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.
28 # This makefile [re]generates ${.MAKE.DEPENDFILE}
31 .include <install-new.mk>
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
53 _OBJROOT ?= ${OBJROOT:U${_OBJTOP}}
59 _objroot ?= ${_OBJROOT:tA}${_slash}
61 _this = ${.PARSEDIR}/${.PARSEFILE}
63 # remember what to make
64 _DEPENDFILE := ${_CURDIR}/${.MAKE.DEPENDFILE:T}
66 # We do _not_ want to read our own output!
67 .MAKE.DEPENDFILE = /dev/null
69 # caller should have set this
70 META_FILES ?= ${.MAKE.META.FILES}
72 .if !empty(META_FILES)
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}
81 META_FILES := ${META_FILES:T:O:u}
84 # pickup customizations
85 .-include "local.gendirdeps.mk"
87 # these are actually prefixes that we'll skip
88 # they should all be absolute paths
90 .if !empty(SKIP_GENDIRDEPS)
91 _skip_gendirdeps = egrep -v '^(${SKIP_GENDIRDEPS:O:u:ts|})' |
96 # Below we will turn _{VAR} into ${VAR} which keeps this simple
97 # GENDIRDEPS_FILTER_DIR_VARS is a list of dirs to be substiuted for.
98 # GENDIRDEPS_FILTER_VARS is more general.
99 # In each case order matters.
100 .if !empty(GENDIRDEPS_FILTER_DIR_VARS)
101 GENDIRDEPS_FILTER += ${GENDIRDEPS_FILTER_DIR_VARS:@v@S,${$v},_{${v}},@}
103 .if !empty(GENDIRDEPS_FILTER_VARS)
104 GENDIRDEPS_FILTER += ${GENDIRDEPS_FILTER_VARS:@v@S,/${$v}/,/_{${v}}/,@:NS,//,*:u}
107 # this (*should* be set in meta.sys.mk)
108 # is the script that extracts what we want.
109 META2DEPS ?= ${.PARSEDIR}/meta2deps.sh
110 META2DEPS := ${META2DEPS}
112 .if ${DEBUG_GENDIRDEPS:Uno:@x@${RELDIR:M$x}@} != "" && ${DEBUG_GENDIRDEPS:Uno:Mmeta2d*} != ""
122 .if ${META2DEPS:E} == "py"
123 # we can afford to do this all the time.
125 META2DEPS_CMD = ${_time} ${PYTHON} ${META2DEPS} ${_py_d}
126 .if ${DPDEPS:tl} != "no"
127 META2DEPS_CMD += -D ${DPDEPS}
129 META2DEPS_FILTER = sed 's,^src:,${SRCTOP}/,;s,^\([^/]\),${OBJTOP}/\1,' |
130 .elif ${META2DEPS:E} == "sh"
131 META2DEPS_CMD = ${_time} ${_sh_x} ${META2DEPS} OBJTOP=${_OBJTOP}
133 META2DEPS_CMD ?= ${META2DEPS}
136 .if ${TARGET_OBJ_SPEC:U${MACHINE}} != ${MACHINE}
137 META2DEPS_CMD += -T ${TARGET_OBJ_SPEC}
140 -R ${RELDIR} -H ${HOST_TARGET} \
141 ${M2D_OBJROOTS:O:u:@o@-O $o@}
144 M2D_OBJROOTS += ${OBJTOP} ${_OBJROOT} ${_objroot}
145 .if defined(SB_OBJROOT)
146 M2D_OBJROOTS += ${SB_OBJROOT}
148 .if ${.MAKE.DEPENDFILE_PREFERENCE:U${.MAKE.DEPENDFILE}:M*.${MACHINE}} == ""
149 # meta2deps.py only groks objroot
150 # so we need to give it what it expects
151 # and tell it not to add machine qualifiers
152 META2DEPS_ARGS += MACHINE=none
154 .if defined(SB_BACKING_SB)
155 META2DEPS_CMD += -S ${SB_BACKING_SB}/src
156 M2D_OBJROOTS += ${SB_BACKING_SB}/${SB_OBJPREFIX}
159 # we are only interested in the dirs
160 # specifically those we read something from.
161 # we canonicalize them to keep things simple
162 # if we are using a split-fs sandbox, it gets a little messier.
163 _objtop := ${_OBJTOP:tA}
164 dir_list != cd ${_OBJDIR} && \
165 ${META2DEPS_CMD} MACHINE=${MACHINE} \
166 SRCTOP=${SRCTOP} RELDIR=${RELDIR} CURDIR=${_CURDIR} \
168 ${META_FILES:O:u} | ${META2DEPS_FILTER} ${_skip_gendirdeps} \
169 sed 's,//*$$,,;s,\.${HOST_TARGET}$$,.host,'
171 .if ${dir_list:M*ERROR\:*} != ""
172 .warning ${dir_list:tW:C,.*(ERROR),\1,}
173 .warning Skipping ${_DEPENDFILE:S,${SRCTOP}/,,}
174 # we are not going to update anything
178 _nonlibs := ${DPADD:T:Nlib*:N*include}
181 .for f in ${_nonlibs:@x@${DPADD:M*/$x}@}
182 .if exists($f.dirdep)
183 ddep_list += $f.dirdep
184 .elif exists(${f:H}.dirdep)
185 ddep_list += ${f:H}.dirdep
187 dir_list += ${f:H:tA}
188 dpadd_dir_list += ${f:H:tA}
191 .if !empty(ddep_list)
192 ddeps != cat ${ddep_list:O:u} | ${META2DEPS_FILTER} ${_skip_gendirdeps} \
193 sed 's,//*$$,,;s,\.${HOST_TARGET}$$,.host,;s,\.${MACHINE}$$,,'
195 .if ${DEBUG_GENDIRDEPS:Uno:@x@${RELDIR:M$x}@} != ""
196 .info ${RELDIR}: raw_dir_list='${dir_list}'
197 .info ${RELDIR}: ddeps='${ddeps}'
204 # DIRDEPS represent things that had to have been built first
205 # so they should all be undir OBJTOP.
206 # Note that ${_OBJTOP}/bsd/include/machine will get reported
207 # to us as $SRCTOP/bsd/sys/$MACHINE_ARCH/include meaning we
208 # will want to visit bsd/include
210 # ${"${dir_list:M*bsd/sys/${MACHINE_ARCH}/include}":?bsd/include:}
211 # to GENDIRDEPS_DIR_LIST_XTRAS
212 _objtops = ${OBJTOP} ${_OBJTOP} ${_objtop}
213 _objtops := ${_objtops:O:u}
215 ${_objtops:@o@${dir_list:M$o*/*:C,$o[^/]*/,,}@} \
216 ${GENDIRDEPS_DIR_LIST_XTRAS}
219 M2D_OBJROOTS := ${M2D_OBJROOTS:O:u:[-1..1]}
221 # anything we use from an object dir other than ours
222 # needs to be qualified with its .<machine> suffix
223 # (we used the pseudo machine "host" for the HOST_TARGET).
224 skip_ql= ${SRCTOP}* ${_objtops:@o@$o*@}
225 .for o in ${M2D_OBJROOTS:${skip_ql:${M_ListToSkip}}}
226 # we need := so only skip_ql to this point applies
227 ql.$o := ${dir_list:${skip_ql:${M_ListToSkip}}:M$o*/*/*:C,$o([^/]+)/(.*),\2.\1,:S,.${HOST_TARGET},.host,}
228 qualdir_list += ${ql.$o}
229 .if ${DEBUG_GENDIRDEPS:Uno:@x@${RELDIR:M$x}@} != ""
230 .info ${RELDIR}: o=$o ${ql.$o qualdir_list:L:@v@$v=${$v}@}
235 dirdep_list := ${dirdep_list:O:u}
236 qualdir_list := ${qualdir_list:N*.${MACHINE}:O:u}
239 ${dirdep_list:N${RELDIR}:N${RELDIR}/*} \
240 ${qualdir_list:N${RELDIR}.*:N${RELDIR}/*}
242 # We only consider things below $RELDIR/ if they have a makefile.
243 # This is the same test that _DIRDEP_USE applies.
244 # We have do a double test with dirdep_list as it _may_ contain
245 # qualified dirs - if we got anything from a stage dir.
246 # qualdir_list we know are all qualified.
247 # It would be nice do peform this check for all of DIRDEPS,
248 # but we cannot assume that all of the tree is present,
249 # in fact we can only assume that RELDIR is.
251 ${dirdep_list:M${RELDIR}/*:@d@${.MAKE.MAKEFILE_PREFERENCE:@m@${exists(${SRCTOP}/$d/$m):?$d:${exists(${SRCTOP}/${d:R}/$m):?$d:}}@}@} \
252 ${qualdir_list:M${RELDIR}/*:@d@${.MAKE.MAKEFILE_PREFERENCE:@m@${exists(${SRCTOP}/${d:R}/$m):?$d:}@}@}
254 DIRDEPS := ${DIRDEPS:${GENDIRDEPS_FILTER:UNno:ts:}:C,//+,/,g:O:u}
256 .if ${DEBUG_GENDIRDEPS:Uno:@x@${RELDIR:M$x}@} != ""
257 .info ${RELDIR}: M2D_OBJROOTS=${M2D_OBJROOTS}
258 .info ${RELDIR}: dir_list='${dir_list}'
259 .info ${RELDIR}: dpadd_dir_list='${dpadd_dir_list}'
260 .info ${RELDIR}: dirdep_list='${dirdep_list}'
261 .info ${RELDIR}: qualdir_list='${qualdir_list}'
262 .info ${RELDIR}: SKIP_GENDIRDEPS='${SKIP_GENDIRDEPS}'
263 .info ${RELDIR}: GENDIRDEPS_FILTER='${GENDIRDEPS_FILTER}'
264 .info ${RELDIR}: FORCE_DPADD='${DPADD}'
265 .info ${RELDIR}: DIRDEPS='${DIRDEPS}'
268 # SRC_DIRDEPS is for checkout logic
270 ${dir_list:M${SRCTOP}/*:S,${SRCTOP}/,,}
273 ${src_dirdep_list:N${RELDIR}:N${RELDIR}/*:C,(/h)/.*,,}
275 SRC_DIRDEPS := ${SRC_DIRDEPS:${GENDIRDEPS_SRC_FILTER:UN/*:ts:}:C,//+,/,g:O:u}
277 # if you want to capture SRC_DIRDEPS in .MAKE.DEPENDFILE put
278 # SRC_DIRDEPS_FILE = ${_DEPENDFILE}
279 # in local.gendirdeps.mk
280 .if ${SRC_DIRDEPS_FILE:Uno:tl} != "no"
281 ECHO_SRC_DIRDEPS = echo 'SRC_DIRDEPS = \'; echo '${SRC_DIRDEPS:@d@ $d \\${.newline}@}'; echo;
283 .if ${SRC_DIRDEPS_FILE:T} == ${_DEPENDFILE:T}
284 _include_src_dirdeps = ${ECHO_SRC_DIRDEPS}
286 all: ${SRC_DIRDEPS_FILE}
287 .if !target(${SRC_DIRDEPS_FILE})
288 ${SRC_DIRDEPS_FILE}: ${META_FILES} ${_this} ${META2DEPS}
289 @(${ECHO_SRC_DIRDEPS}) > $@
293 _include_src_dirdeps ?=
297 # if this is going to exist it would be there by now
299 CAT_DEPEND = /dev/null
301 CAT_DEPEND ?= .depend
303 .if !empty(_DIRDEPS) && ${DIRDEPS} != ${_DIRDEPS}
304 # we may have changed a filter
305 .PHONY: ${_DEPENDFILE}
308 # 'cat .depend' should suffice, but if we are mixing build modes
309 # .depend may contain things we don't want.
310 # The sed command at the end of the stream, allows for the filters
311 # to output _{VAR} tokens which we will turn into proper ${VAR} references.
312 ${_DEPENDFILE}: ${CAT_DEPEND:M.depend} ${META_FILES:O:u:@m@${exists($m):?$m:}@} ${_this} ${META2DEPS}
313 @(${GENDIRDEPS_HEADER} echo '# Autogenerated - do NOT edit!'; echo; \
314 echo 'DIRDEPS = \'; \
315 echo '${DIRDEPS:@d@ $d \\${.newline}@}'; echo; \
316 ${_include_src_dirdeps} \
317 echo '.include <dirdeps.mk>'; \
319 echo '.if $${DEP_RELDIR} == $${_DEP_RELDIR}'; \
320 echo '# local dependencies - needed for -jN in clean tree'; \
321 [ -s ${CAT_DEPEND} ] && { grep : ${CAT_DEPEND} | grep -v '[/\\]'; }; \
322 echo '.endif' ) | sed 's,_\([{(]\),$$\1,g' > $@.new${.MAKE.PID}
323 @${InstallNew}; InstallNew -s $@.new${.MAKE.PID}
325 .endif # meta2deps failed
328 DIRDEPS := ${SUBDIR:S,^,${RELDIR}/,:O:u}
332 ${_DEPENDFILE}: ${MAKEFILE} ${_this}
333 @(${GENDIRDEPS_HEADER} echo '# Autogenerated - do NOT edit!'; echo; \
334 echo 'DIRDEPS = \'; \
335 echo '${DIRDEPS:@d@ $d \\${.newline}@}'; echo; \
336 echo '.include <dirdeps.mk>'; \
337 echo ) | sed 's,_\([{(]\),$$\1,g' > $@.new
338 @${InstallNew}; InstallNew $@.new
346 ${_DEPENDFILE}: .PRECIOUS