bsd.dep.mk revision 124490 
1# $FreeBSD: head/share/mk/bsd.dep.mk 124490 2004-01-13 17:37:45Z ru $
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# DPSRCS	List of source files which are needed for generating
25#		dependencies, ${SRCS} are always part of it.
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
51.if ${CC} != "cc"
52MKDEPCMD?=	CC='${CC}' mkdep
53.else
54MKDEPCMD?=	mkdep
55.endif
56DEPENDFILE?=	.depend
57
58# Keep `tags' here, before SRCS are mangled below for `depend'.
59.if !target(tags) && defined(SRCS) && !defined(NOTAGS)
60tags: ${SRCS}
61.if ${CTAGS:T} == "ctags"
62	@${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
63	    ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
64.elif ${CTAGS:T} == "gtags"
65	@cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
66.if defined(HTML)
67	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
68.endif
69.endif
70.endif
71
72.if defined(SRCS)
73CLEANFILES?=
74
75.for _LSRC in ${SRCS:M*.l:N*/*}
76.for _LC in ${_LSRC:R}.c
77${_LC}: ${_LSRC}
78	${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
79SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
80CLEANFILES+= ${_LC}
81.endfor
82.endfor
83
84.for _YSRC in ${SRCS:M*.y:N*/*}
85.for _YC in ${_YSRC:R}.c
86SRCS:=	${SRCS:S/${_YSRC}/${_YC}/}
87CLEANFILES+= ${_YC}
88.if ${YFLAGS:M-d} != "" && ${SRCS:My.tab.h}
89.ORDER: ${_YC} y.tab.h
90${_YC} y.tab.h: ${_YSRC}
91	${YACC} ${YFLAGS} ${.ALLSRC}
92	cp y.tab.c ${_YC}
93CLEANFILES+= y.tab.c y.tab.h
94.elif ${YFLAGS:M-d} != ""
95.for _YH in ${_YC:R}.h
96.ORDER: ${_YC} ${_YH}
97${_YC} ${_YH}: ${_YSRC}
98	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
99SRCS+=	${_YH}
100CLEANFILES+= ${_YH}
101.endfor
102.else
103${_YC}: ${_YSRC}
104	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
105.endif
106.endfor
107.endfor
108.endif
109
110.if !target(depend)
111.if defined(SRCS)
112depend: beforedepend ${DEPENDFILE} afterdepend
113
114# Different types of sources are compiled with slightly different flags.
115# Split up the sources, and filter out headers and non-applicable flags.
116DPSRCS+= ${SRCS}
117${DEPENDFILE}: ${DPSRCS}
118	rm -f ${DEPENDFILE}
119.if ${DPSRCS:M*.[cS]} != ""
120	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
121	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
122	    ${.ALLSRC:M*.[cS]}
123.endif
124.if ${DPSRCS:M*.cc} != "" || ${DPSRCS:M*.C} != "" || ${DPSRCS:M*.cpp} != "" || \
125    ${DPSRCS:M*.cxx} != ""
126	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
127	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
128	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
129.endif
130.if ${DPSRCS:M*.m} != ""
131	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
132	    ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
133	    ${OBJCFLAGS:M-Wno-import*} \
134	    ${.ALLSRC:M*.m}
135.endif
136.if target(_EXTRADEPEND)
137_EXTRADEPEND: .USE
138${DEPENDFILE}: _EXTRADEPEND
139.endif
140
141.ORDER: ${DEPENDFILE} afterdepend
142.else
143depend: beforedepend afterdepend
144.endif
145.if !target(beforedepend)
146beforedepend:
147.else
148.ORDER: beforedepend ${DEPENDFILE}
149.ORDER: beforedepend afterdepend
150.endif
151.if !target(afterdepend)
152afterdepend:
153.endif
154.endif
155
156.if !target(cleandepend)
157cleandepend:
158.if defined(SRCS)
159.if ${CTAGS:T} == "ctags"
160	rm -f ${DEPENDFILE} tags
161.elif ${CTAGS:T} == "gtags"
162	rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS
163.if defined(HTML)
164	rm -rf HTML
165.endif
166.endif
167.endif
168.endif
169
170.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
171_LDADD_FROM_DPADD=	${DPADD:C;^/usr/lib/lib(.*)\.a$;-l\1;}
172_LDADD_CANONICALIZED=	${LDADD:S/$//}
173checkdpadd:
174.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED}
175	@echo ${.CURDIR}
176	@echo "DPADD -> ${_LDADD_FROM_DPADD}"
177	@echo "LDADD -> ${_LDADD_CANONICALIZED}"
178.endif
179.endif
180