3 # The include file <bsd.dep.mk> handles Makefile dependencies.
8 # CLEANDEPENDDIRS Additional directories to remove for the cleandepend
11 # CLEANDEPENDFILES Additional files to remove for the cleandepend target.
13 # CTAGS A tags file generation program [gtags]
15 # CTAGSFLAGS Options for ctags(1) [not set]
17 # DEPENDFILE dependencies file [.depend]
19 # GTAGSFLAGS Options for gtags(1) [-o]
21 # HTAGSFLAGS Options for htags(1) [not set]
23 # SRCS List of source files (c, c++, assembler)
25 # DPSRCS List of source files which are needed for generating
26 # dependencies, ${SRCS} are always part of it.
31 # remove ${CLEANDEPENDFILES}; remove ${CLEANDEPENDDIRS} and all
35 # Make the dependencies for the source files, and store
36 # them in the file ${DEPENDFILE}.
39 # In "ctags" mode, create a tags file for the source files.
40 # In "gtags" mode, create a (GLOBAL) gtags file for the
41 # source files. If HTML is defined, htags(1) is also run
44 .if !target(__<bsd.init.mk>__)
45 .error bsd.dep.mk cannot be included directly.
53 .if ${MK_DIRDEPS_BUILD} == "no"
54 .MAKE.DEPENDFILE= ${DEPENDFILE}
56 CLEANDEPENDFILES+= ${DEPENDFILE} ${DEPENDFILE}.*
57 .if ${MK_META_MODE} == "yes"
58 CLEANDEPENDFILES+= *.meta
61 # Keep `tags' here, before SRCS are mangled below for `depend'.
62 .if !target(tags) && defined(SRCS) && !defined(NO_TAGS)
64 .if ${CTAGS:T} == "gtags"
65 @cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
67 @cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
70 @${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
71 ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
75 .if !empty(.MAKE.MODE:Mmeta) && empty(.MAKE.MODE:Mnofilemon)
79 # Skip reading .depend when not needed to speed up tree-walks and simple
80 # lookups. For install, only do this if no other targets are specified.
81 # Also skip generating or including .depend.* files if in meta+filemon mode
82 # since it will track dependencies itself. OBJS_DEPEND_GUESS is still used.
83 .if !empty(.MAKEFLAGS:M-V${_V_READ_DEPEND}) || make(obj) || make(clean*) || \
84 ${.TARGETS:M*install*} == ${.TARGETS} || \
85 make(analyze) || defined(_meta_filemon) || make(print-dir)
87 .if ${MK_DIRDEPS_BUILD} == "no" || make(analyze) || make(print-dir)
88 .MAKE.DEPENDFILE= /dev/null
95 .for _S in ${SRCS:N*.[dhly]}
96 OBJS_DEPEND_GUESS.${_S:R}.o+= ${_S}
100 .for _LSRC in ${SRCS:M*.l:N*/*}
101 .for _LC in ${_LSRC:R}.c
103 ${LEX} ${LFLAGS} -o${.TARGET} ${.ALLSRC}
104 OBJS_DEPEND_GUESS.${_LC:R}.o+= ${_LC}
105 SRCS:= ${SRCS:S/${_LSRC}/${_LC}/}
111 .for _YSRC in ${SRCS:M*.y:N*/*}
112 .for _YC in ${_YSRC:R}.c
113 SRCS:= ${SRCS:S/${_YSRC}/${_YC}/}
115 .if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
116 .ORDER: ${_YC} y.tab.h
118 ${_YC} y.tab.h: ${_YSRC}
119 ${YACC} ${YFLAGS} ${.ALLSRC}
121 CLEANFILES+= y.tab.c y.tab.h
122 .elif !empty(YFLAGS:M-d)
123 .for _YH in ${_YC:R}.h
124 .ORDER: ${_YC} ${_YH}
126 ${_YC} ${_YH}: ${_YSRC}
127 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
133 ${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
135 OBJS_DEPEND_GUESS.${_YC:R}.o+= ${_YC}
139 # DTrace probe definitions
141 CFLAGS+= -I${.OBJDIR}
143 .for _DSRC in ${SRCS:M*.d:N*/*}
144 .for _D in ${_DSRC:R}
147 ${DTRACE} ${DTRACEFLAGS} -h -s ${.ALLSRC}
148 SRCS:= ${SRCS:S/^${_DSRC}$//}
150 CLEANFILES+= ${_D}.h ${_D}.o
151 ${_D}.o: ${_DSRC} ${OBJS:S/^${_D}.o$//}
153 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
155 CLEANFILES+= ${_D}.pico ${_D}.po
156 ${_D}.pico: ${_DSRC} ${SOBJS:S/^${_D}.pico$//}
158 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
159 ${_D}.po: ${_DSRC} ${POBJS:S/^${_D}.po$//}
161 ${DTRACE} ${DTRACEFLAGS} -G -o ${.TARGET} -s ${.ALLSRC:N*.h}
167 .if ${MAKE_VERSION} < 20160220
170 # Handle OBJS=../somefile.o hacks. Just replace '/' rather than use :T to
172 DEPEND_FILTER= C,/,_,g
173 DEPENDSRCS= ${SRCS:M*.[cSC]} ${SRCS:M*.cxx} ${SRCS:M*.cpp} ${SRCS:M*.cc}
174 .if !empty(DEPENDSRCS)
175 DEPENDOBJS+= ${DEPENDSRCS:R:S,$,.o,}
177 DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:${DEPEND_FILTER}:C/^/${DEPENDFILE}./}
178 DEPEND_CFLAGS+= -MD ${DEPEND_MP} -MF${DEPENDFILE}.${.TARGET:${DEPEND_FILTER}}
179 DEPEND_CFLAGS+= -MT${.TARGET}
180 .if !defined(_meta_filemon)
181 .if defined(.PARSEDIR)
182 # Only add in DEPEND_CFLAGS for CFLAGS on files we expect from DEPENDOBJS
183 # as those are the only ones we will include.
184 DEPEND_CFLAGS_CONDITION= "${DEPENDOBJS:${DEPEND_FILTER}:M${.TARGET:${DEPEND_FILTER}}}" != ""
185 CFLAGS+= ${${DEPEND_CFLAGS_CONDITION}:?${DEPEND_CFLAGS}:}
187 CFLAGS+= ${DEPEND_CFLAGS}
189 .if !defined(_SKIP_READ_DEPEND)
190 .for __depend_obj in ${DEPENDFILES_OBJS}
191 .if ${MAKE_VERSION} < 20160220
192 .sinclude "${.OBJDIR}/${__depend_obj}"
194 .dinclude "${.OBJDIR}/${__depend_obj}"
197 .endif # !defined(_SKIP_READ_DEPEND)
198 .endif # !defined(_meta_filemon)
199 .endif # defined(SRCS)
201 .if ${MK_DIRDEPS_BUILD} == "yes" && !make(analyze) && !make(print-dir)
202 # Prevent meta.autodep.mk from tracking "local dependencies".
204 .include <meta.autodep.mk>
205 # If using filemon then _EXTRADEPEND is skipped since it is not needed.
206 .if defined(_meta_filemon)
207 # this depend: bypasses that below
208 # the dependency helps when bootstrapping
209 depend: beforedepend ${DPSRCS} ${SRCS} afterdepend
211 afterdepend: beforedepend
215 # Guess some dependencies for when no ${DEPENDFILE}.OBJ is generated yet.
216 # For meta+filemon the .meta file is checked for since it is the dependency
218 .for __obj in ${DEPENDOBJS:O:u}
219 # If the obj has any '/', then replace with '_'. For meta files, this is
220 # mimicing what bmake's meta_name() does and adding in the full path
221 # as well to ensure that the expected meta file is read.
223 _meta_obj= ${.OBJDIR:C,/,_,g}_${__obj:C,/,_,g}.meta
225 _meta_obj= ${__obj}.meta
227 _dep_obj= ${DEPENDFILE}.${__obj:${DEPEND_FILTER}}
228 .if (defined(_meta_filemon) && !exists(${.OBJDIR}/${_meta_obj})) || \
229 (!defined(_meta_filemon) && !exists(${.OBJDIR}/${_dep_obj}))
230 ${__obj}: ${OBJS_DEPEND_GUESS}
231 ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
232 .elif defined(_meta_filemon)
233 # For meta mode we still need to know which file to depend on to avoid
234 # ambiguous suffix transformation rules from .PATH. Meta mode does not
235 # use .depend files. We really only need source files, not headers since
236 # they are typically in SRCS/beforebuild already. For target-specific
237 # guesses do include headers though since they may not be in SRCS.
238 ${__obj}: ${OBJS_DEPEND_GUESS:N*.h}
239 ${__obj}: ${OBJS_DEPEND_GUESS.${__obj}}
243 # Always run 'make depend' to generate dependencies early and to avoid the
244 # need for manually running it. The dirdeps build should only do this in
245 # sub-makes though since MAKELEVEL0 is for dirdeps calculations.
246 .if ${MK_DIRDEPS_BUILD} == "no" || ${.MAKE.LEVEL} > 0
252 depend: beforedepend ${DEPENDFILE} afterdepend
254 # Tell bmake not to look for generated files via .PATH
255 .NOPATH: ${DEPENDFILE} ${DEPENDFILES_OBJS}
258 # A .depend file will only be generated if there are commands in
259 # beforedepend/_EXTRADEPEND/afterdepend The _EXTRADEPEND target is
260 # ignored if using meta+filemon since it handles all dependencies. The other
261 # targets are kept as they be used for generating something. The target is
262 # kept to allow 'make depend' to generate files.
263 ${DEPENDFILE}: ${DPSRCS}
264 .if exists(${.OBJDIR}/${DEPENDFILE}) || \
265 ((commands(beforedepend) || \
266 (!defined(_meta_filemon) && commands(_EXTRADEPEND)) || \
267 commands(afterdepend)) && !empty(.MAKE.MODE:Mmeta))
270 .if !defined(_meta_filemon) && target(_EXTRADEPEND)
272 ${DEPENDFILE}: _EXTRADEPEND
275 .ORDER: ${DEPENDFILE} afterdepend
277 depend: beforedepend afterdepend
279 .if !target(beforedepend)
282 .ORDER: beforedepend ${DEPENDFILE}
283 .ORDER: beforedepend afterdepend
285 .if !target(afterdepend)
291 .if ${CTAGS:T} == "gtags"
292 CLEANDEPENDFILES+= GPATH GRTAGS GSYMS GTAGS
294 CLEANDEPENDDIRS+= HTML
297 CLEANDEPENDFILES+= tags
300 .if !target(cleandepend)
302 .if !empty(CLEANDEPENDFILES)
303 rm -f ${CLEANDEPENDFILES}
305 .if !empty(CLEANDEPENDDIRS)
306 rm -rf ${CLEANDEPENDDIRS}
309 .ORDER: cleandepend all
310 .ORDER: cleandepend depend
312 .if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
313 _LDADD_FROM_DPADD= ${DPADD:R:T:C;^lib(.*)$;-l\1;g}
314 # Ignore -Wl,--start-group/-Wl,--end-group as it might be required in the
315 # LDADD list due to unresolved symbols
316 _LDADD_CANONICALIZED= ${LDADD:N:R:T:C;^lib(.*)$;-l\1;g:N-Wl,--[es]*-group}
318 .if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED}
320 @echo "DPADD -> ${_LDADD_FROM_DPADD}"
321 @echo "LDADD -> ${_LDADD_CANONICALIZED}"