xref: /dragonfly/share/mk/bsd.dep.mk (revision 0db87cb7) 
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# SRCS          List of source files (c, c++, assembler)
23#
24#
25# +++ targets +++
26#
27#	cleandepend:
28#		Remove depend and tags file
29#
30#	depend:
31#		Make the dependencies for the source files, and store
32#		them in the file ${DEPENDFILE}.
33#
34#	tags:
35#		In "ctags" mode, create a tags file for the source files.
36#		In "gtags" mode, create a (GLOBAL) gtags file for the
37#		source files.  If HTML is defined, htags(1) is also run
38#		after gtags(1).
39
40.if !target(__<bsd.init.mk>__)
41.error bsd.dep.mk cannot be included directly.
42.endif
43
44CTAGS?=		gtags
45CTAGSFLAGS?=
46GTAGSFLAGS?=	-o
47HTAGSFLAGS?=
48
49MKDEPCMD?=	mkdep
50DEPENDFILE?=	.depend
51
52# Keep `tags' here, before SRCS are mangled below for `depend'.
53.if !target(tags) && defined(SRCS) && !defined(NOTAGS)
54tags: ${SRCS}
55.if ${CTAGS:T} == "ctags"
56	@${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
57	    ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
58.elif ${CTAGS:T} == "gtags"
59	@cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
60.if defined(HTML)
61	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
62.endif
63.endif
64.endif
65
66.if defined(SRCS)
67CLEANFILES?=
68
69.for _LSRC in ${SRCS:M*.l:N*/*}
70.for _LC in ${_LSRC:R}.c
71${_LC}: ${_LSRC}
72	${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
73SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
74CLEANFILES+= ${_LC}
75.endfor
76.endfor
77
78.for _YSRC in ${SRCS:M*.y:N*/*}
79.for _YC in ${_YSRC:R}.c
80SRCS:=	${SRCS:S/${_YSRC}/${_YC}/}
81CLEANFILES+= ${_YC}
82.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
83.ORDER: ${_YC} y.tab.h
84${_YC} y.tab.h: ${_YSRC}
85	${YACC} ${YFLAGS} ${.ALLSRC}
86	cp y.tab.c ${_YC}
87CLEANFILES+= y.tab.c y.tab.h
88.elif !empty(YFLAGS:M-d)
89.for _YH in ${_YC:S/.c/.h/}
90${_YH}: ${_YC}
91${_YC}: ${_YSRC}
92	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
93SRCS+= ${_YH}
94CLEANFILES+= ${_YH}
95.endfor
96.else
97${_YC}: ${_YSRC}
98	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
99.endif
100.endfor
101.endfor
102.endif
103
104.if !target(depend)
105.if defined(SRCS)
106depend: beforedepend _dependincs ${DEPENDFILE} afterdepend
107
108# Tell bmake not to look for generated files via .PATH
109.NOPATH: ${DEPENDFILE}
110
111# Different types of sources are compiled with slightly different flags.
112# Split up the sources, and filter out headers and non-applicable flags.
113# Separate flag groups out of the sources and treat them differently.
114# The special "_" group is for all files not in any group.
115__FLAGS=
116__FLAGS_FILES=	${SRCS}
117.for _FG in ${FLAGS_GROUPS}
118.for _FFILE in ${${_FG}_FLAGS_FILES}
119__FLAGS_FILES:=	${__FLAGS_FILES:N${_FFILE}}
120.endfor
121.endfor
122
123_DEPENDFILES=	${FLAGS_GROUPS:S/^/.depend_/g}
124
125${DEPENDFILE}: ${_DEPENDFILES}
126
127#
128# __FLAG_FILES is built from SRCS.  That means it will contain
129# also .h files and other files that are not direct sources, but which
130# might be required to even run mkdep.  This is important if those are
131# generated as well, like some forwarding headers.
132#
133# We'll have to pass these "sources" on to the other .depend_ file targets,
134# since otherwise they might be run before the generated sources are
135# generated.  _ALL_DEPENDS captures all files in SRCS that are not handled
136# by the mkdep calls, i.e. all sources that are not being used directly
137# for the .depend* file.
138#
139_ALL_DEPENDS=${__FLAGS_FILES:N*.[sS]:N*.c:N*.cc:N*.C:N*.cpp:N*.cpp:N*.cxx:N*.m}
140
141.for _FG in _ ${FLAGS_GROUPS}
142.depend${_FG:S/^/_/:N__}: ${${_FG}_FLAGS_FILES} ${_ALL_DEPENDS}
143	-rm -f ${.TARGET}
144	-> ${.TARGET}
145.if ${${_FG}_FLAGS_FILES:M*.[csS]} != ""
146	${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
147	    ${${_FG}_FLAGS} \
148	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
149	    ${CFLAGS:M-std=*} \
150	    ${.ALLSRC:M*.[csS]}
151.endif
152.if ${${_FG}_FLAGS_FILES:M*.cc} != "" || \
153    ${${_FG}_FLAGS_FILES:M*.C} != "" || \
154    ${${_FG}_FLAGS_FILES:M*.cpp} != "" || \
155    ${${_FG}_FLAGS_FILES:M*.cxx} != ""
156	${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
157	    ${${_FG}_FLAGS} \
158	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
159	    ${CXXFLAGS:M-std=*} \
160	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
161.endif
162.if ${${_FG}_FLAGS_FILES:M*.m} != ""
163	${MKDEPCMD} -f ${.TARGET} -a ${MKDEP} \
164	    ${${_FG}_FLAGS} \
165	    ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
166	    ${OBJCFLAGS:M-Wno-import*} \
167	    ${.ALLSRC:M*.m}
168.endif
169.if !empty(${_FG:M_}) && !empty(_DEPENDFILES)
170	cat ${_DEPENDFILES} >> ${.TARGET}
171.endif
172.endfor
173
174.if target(_EXTRADEPEND)
175_EXTRADEPEND: .USE
176${DEPENDFILE}: _EXTRADEPEND
177.endif
178
179.else
180depend: beforedepend _dependincs afterdepend
181.endif
182.if !target(beforedepend)
183beforedepend:
184.endif
185.if !target(afterdepend)
186afterdepend:
187.endif
188.endif
189
190.if !target(cleandepend)
191cleandepend:
192.if defined(SRCS)
193.if ${CTAGS:T} == "ctags"
194	rm -f ${DEPENDFILE} ${_DEPENDFILES} tags
195.elif ${CTAGS:T} == "gtags"
196	rm -f ${DEPENDFILE} ${_DEPENDFILES} GPATH GRTAGS GSYMS GTAGS
197.if defined(HTML)
198	rm -rf HTML
199.endif
200.endif
201.endif
202.endif
203
204.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
205checkdpadd:
206.if ${OBJFORMAT} != aout
207	@ldadd=`echo \`for lib in ${DPADD} ; do \
208		echo $$lib | sed 's;^/usr/lib/lib\(.*\)\.a;-l\1;' ; \
209	done \`` ; \
210	ldadd1=`echo ${LDADD}` ; \
211	if [ "$$ldadd" != "$$ldadd1" ] ; then \
212		echo ${.CURDIR} ; \
213		echo "DPADD -> $$ldadd" ; \
214		echo "LDADD -> $$ldadd1" ; \
215	fi
216.else
217	@dpadd=`echo \`ld -Bstatic -f ${LDADD}\`` ; \
218	if [ "$$dpadd" != "${DPADD}" ] ; then \
219		echo ${.CURDIR} ; \
220		echo "LDADD -> $$dpadd" ; \
221		echo "DPADD =  ${DPADD}" ; \
222	fi
223.endif
224.endif
225
226.if defined(INCS) && make(depend)
227_dependincs: buildincludes .WAIT installincludes
228.else
229_dependincs:
230.endif
231
232.ORDER: beforedepend _dependincs ${DEPENDFILE} afterdepend
233