xref: /dragonfly/share/mk/bsd.dep.mk (revision 1310e0bb) 
1# $FreeBSD: src/share/mk/bsd.dep.mk,v 1.27.2.3 2002/12/23 16:33:37 ru Exp $
2#
3# The include file <bsd.dep.mk> handles Makefile dependencies.
4#
5#
6# +++ variables +++
7#
8# CTAGS		A tags file generation program [gtags]
9#
10# CTAGSFLAGS	Options for ctags(1) [not set]
11#
12# DEPENDFILE	dependencies file [.depend]
13#
14# GTAGSFLAGS	Options for gtags(1) [-o]
15#
16# HTAGSFLAGS	Options for htags(1) [not set]
17#
18# MKDEP		Options for ${MKDEPCMD} [not set]
19#
20# MKDEPCMD	Makefile dependency list program [mkdep]
21#
22# MKDEPINTDEPS	Extra internal dependencies for intermediates [not set]
23#
24# SRCS          List of source files (c, c++, assembler)
25#
26#
27# +++ targets +++
28#
29#	cleandepend:
30#		Remove depend and tags file
31#
32#	depend:
33#		Make the dependencies for the source files, and store
34#		them in the file ${DEPENDFILE}.
35#
36#	tags:
37#		In "ctags" mode, create a tags file for the source files.
38#		In "gtags" mode, create a (GLOBAL) gtags file for the
39#		source files.  If HTML is defined, htags(1) is also run
40#		after gtags(1).
41
42.if !target(__<bsd.init.mk>__)
43.error bsd.dep.mk cannot be included directly.
44.endif
45
46CTAGS?=		gtags
47CTAGSFLAGS?=
48GTAGSFLAGS?=	-o
49HTAGSFLAGS?=
50
51MKDEPCMD?=	mkdep
52DEPENDFILE?=	.depend
53
54# Keep `tags' here, before SRCS are mangled below for `depend'.
55.if !target(tags) && defined(SRCS) && !defined(NOTAGS)
56tags: ${SRCS}
57.if ${CTAGS:T} == "ctags"
58	@${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
59	    ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
60.elif ${CTAGS:T} == "gtags"
61	@cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
62.if defined(HTML)
63	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
64.endif
65.endif
66.endif
67
68.if defined(SRCS)
69CLEANFILES?=
70
71.for _LSRC in ${SRCS:M*.l:N*/*}
72.for _LC in ${_LSRC:R}.c
73${_LC}: ${_LSRC}
74	${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
75SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
76CLEANFILES+= ${_LC}
77.endfor
78.endfor
79
80.for _YSRC in ${SRCS:M*.y:N*/*}
81.for _YC in ${_YSRC:R}.c
82SRCS:=	${SRCS:S/${_YSRC}/${_YC}/}
83CLEANFILES+= ${_YC}
84.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
85.ORDER: ${_YC} y.tab.h
86${_YC} y.tab.h: ${_YSRC}
87	${YACC} ${YFLAGS} ${.ALLSRC}
88	cp y.tab.c ${_YC}
89CLEANFILES+= y.tab.c y.tab.h
90.elif !empty(YFLAGS:M-d)
91.for _YH in ${_YC:S/.c/.h/}
92${_YH}: ${_YC}
93${_YC}: ${_YSRC}
94	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
95SRCS+= ${_YH}
96CLEANFILES+= ${_YH}
97.endfor
98.else
99${_YC}: ${_YSRC}
100	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
101.endif
102.endfor
103.endfor
104.endif
105
106.if !target(depend)
107.if defined(SRCS)
108depend: beforedepend _dependincs ${DEPENDFILE} afterdepend
109
110# Tell bmake not to look for generated files via .PATH
111.NOPATH: ${DEPENDFILE}
112
113# Different types of sources are compiled with slightly different flags.
114# Split up the sources, and filter out headers and non-applicable flags.
115# Separate flag groups out of the sources and treat them differently.
116# The special "_" group is for all files not in any group.
117__FLAGS=
118__FLAGS_FILES=	${SRCS}
119.for _FG in ${FLAGS_GROUPS}
120.for _FFILE in ${${_FG}_FLAGS_FILES}
121__FLAGS_FILES:=	${__FLAGS_FILES:N${_FFILE}}
122.endfor
123.endfor
124
125_DEPENDFILES=	${FLAGS_GROUPS:S/^/.depend_/g}
126
127${DEPENDFILE}: ${_DEPENDFILES}
128
129#
130# __FLAG_FILES is built from SRCS.  That means it will contain
131# also .h files and other files that are not direct sources, but which
132# might be required to even run mkdep.  This is important if those are
133# generated as well, like some forwarding headers.
134#
135# We'll have to pass these "sources" on to the other .depend_ file targets,
136# since otherwise they might be run before the generated sources are
137# generated.  _ALL_DEPENDS captures all files in SRCS that are not handled
138# by the mkdep calls, i.e. all sources that are not being used directly
139# for the .depend* file.
140#
141_ALL_DEPENDS=${__FLAGS_FILES:N*.[sS]:N*.c:N*.cc:N*.C:N*.cpp:N*.cpp:N*.cxx:N*.m}
142
143.for _FG in _ ${FLAGS_GROUPS}
144.depend${_FG:S/^/_/:N__}: ${${_FG}_FLAGS_FILES} ${_ALL_DEPENDS}
145	-rm -f ${.TARGET}
146	-> ${.TARGET}
147.if ${${_FG}_FLAGS_FILES:M*.[csS]} != ""
148	${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
149	    ${${_FG}_FLAGS} \
150	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
151	    ${CFLAGS:M-std=*} \
152	    ${.ALLSRC:M*.[csS]}
153.endif
154.if ${${_FG}_FLAGS_FILES:M*.cc} != "" || \
155    ${${_FG}_FLAGS_FILES:M*.C} != "" || \
156    ${${_FG}_FLAGS_FILES:M*.cpp} != "" || \
157    ${${_FG}_FLAGS_FILES:M*.cxx} != ""
158	${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
159	    ${${_FG}_FLAGS} \
160	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
161	    ${CXXFLAGS:M-std=*} \
162	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
163.endif
164.if ${${_FG}_FLAGS_FILES:M*.m} != ""
165	${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
166	    ${${_FG}_FLAGS} \
167	    ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
168	    ${OBJCFLAGS:M-Wno-import*} \
169	    ${.ALLSRC:M*.m}
170.endif
171.if !empty(${_FG:M_}) && !empty(_DEPENDFILES)
172	cat ${_DEPENDFILES} >> ${.TARGET}
173.endif
174.if defined(MKDEPINTDEPS) && !empty(MKDEPINTDEPS)
175. for _ITD in ${MKDEPINTDEPS:O:u}
176	TMP=_depend$$$$; \
177	sed -e "s,${_ITD:C/^(.*:)(.*)/\1,\2 \1/},g" < ${.TARGET} > $$TMP; \
178	mv $$TMP ${.TARGET}
179. endfor
180.endif
181.endfor
182
183.if target(_EXTRADEPEND)
184_EXTRADEPEND: .USE
185${DEPENDFILE}: _EXTRADEPEND
186.endif
187
188.else
189depend: beforedepend _dependincs afterdepend
190.endif
191.if !target(beforedepend)
192beforedepend:
193.endif
194.if !target(afterdepend)
195afterdepend:
196.endif
197.endif
198
199.if !target(cleandepend)
200cleandepend:
201.if defined(SRCS)
202.if ${CTAGS:T} == "ctags"
203	rm -f ${DEPENDFILE} ${_DEPENDFILES} tags
204.elif ${CTAGS:T} == "gtags"
205	rm -f ${DEPENDFILE} ${_DEPENDFILES} GPATH GRTAGS GSYMS GTAGS
206.if defined(HTML)
207	rm -rf HTML
208.endif
209.endif
210.endif
211.endif
212
213.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
214checkdpadd:
215.if ${OBJFORMAT} != aout
216	@ldadd=`echo \`for lib in ${DPADD} ; do \
217		echo $$lib | sed 's;^/usr/lib/lib\(.*\)\.a;-l\1;' ; \
218	done \`` ; \
219	ldadd1=`echo ${LDADD}` ; \
220	if [ "$$ldadd" != "$$ldadd1" ] ; then \
221		echo ${.CURDIR} ; \
222		echo "DPADD -> $$ldadd" ; \
223		echo "LDADD -> $$ldadd1" ; \
224	fi
225.else
226	@dpadd=`echo \`ld -Bstatic -f ${LDADD}\`` ; \
227	if [ "$$dpadd" != "${DPADD}" ] ; then \
228		echo ${.CURDIR} ; \
229		echo "LDADD -> $$dpadd" ; \
230		echo "DPADD =  ${DPADD}" ; \
231	fi
232.endif
233.endif
234
235.if defined(INCS) && make(depend)
236_dependincs: buildincludes .WAIT installincludes
237.else
238_dependincs:
239.endif
240
241.ORDER: beforedepend _dependincs ${DEPENDFILE} afterdepend
242