bsd.dep.mk revision 94841 
1# $FreeBSD: head/share/mk/bsd.dep.mk 94841 2002-04-16 12:27:07Z ru $
2#
3# The include file <bsd.dep.mk> handles Makefile dependencies.
4#
5#
6# +++ variables +++
7#
8# DEPENDFILE	dependencies file [.depend]
9#
10# MKDEP		Options for ${MKDEPCMD} [not set]
11#
12# MKDEPCMD	Makefile dependency list program [mkdep]
13# 
14# SRCS          List of source files (c, c++, assembler)
15#
16#
17# +++ targets +++
18#
19#	cleandepend:
20#		Remove depend and tags file
21#
22#	depend:
23#		Make the dependencies for the source files, and store
24#		them in the file ${DEPENDFILE}.
25#
26#	tags:
27#		Create a (GLOBAL) gtags file for the source files.
28#		If HTML is defined, htags is also run after gtags.
29
30
31.if ${CC} != "cc"
32MKDEPCMD?=	CC=${CC} mkdep
33.else
34MKDEPCMD?=	mkdep
35.endif
36DEPENDFILE?=	.depend
37
38.if defined(SRCS)
39CLEANFILES?=
40
41.for _LSRC in ${SRCS:M*.l:N*/*}
42.for _LC in ${_LSRC:S/.l/.c/}
43${_LC}: ${_LSRC}
44	${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
45SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
46CLEANFILES:= ${CLEANFILES} ${_LC}
47.endfor
48.endfor
49
50.for _YSRC in ${SRCS:M*.y:N*/*}
51.for _YC in ${_YSRC:S/.y/.c/}
52SRCS:=	${SRCS:S/${_YSRC}/${_YC}/}
53CLEANFILES:= ${CLEANFILES} ${_YC}
54.if ${YFLAGS:M-d} != "" && ${SRCS:My.tab.h}
55.ORDER: ${_YC} y.tab.h
56${_YC} y.tab.h: ${_YSRC}
57	${YACC} ${YFLAGS} ${.ALLSRC}
58	cp y.tab.c ${_YC}
59SRCS:=	${SRCS} y.tab.h
60CLEANFILES:= ${CLEANFILES} y.tab.c y.tab.h
61.elif ${YFLAGS:M-d} != ""
62.for _YH in ${_YC:S/.c/.h/}
63.ORDER: ${_YC} ${_YH}
64${_YC} ${_YH}: ${_YSRC}
65	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
66SRCS:=	${SRCS} ${_YH}
67CLEANFILES:= ${CLEANFILES} ${_YH}
68.endfor
69.else
70${_YC}: ${_YSRC}
71	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
72.endif
73.endfor
74.endfor
75.endif
76
77.if !target(depend)
78.if defined(SRCS)
79depend: beforedepend ${DEPENDFILE} afterdepend _SUBDIR
80
81# Different types of sources are compiled with slightly different flags.
82# Split up the sources, and filter out headers and non-applicable flags.
83${DEPENDFILE}: _MKDEP
84_MKDEP: ${SRCS}
85	rm -f ${DEPENDFILE}
86.if ${SRCS:M*.[sS]} != ""
87	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
88	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
89	    ${AINC} \
90	    ${.ALLSRC:M*.[sS]}
91.endif
92.if ${SRCS:M*.c} != ""
93	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
94	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
95	    ${.ALLSRC:M*.c}
96.endif
97.if ${SRCS:M*.cc} != "" || ${SRCS:M*.C} != "" || ${SRCS:M*.cpp} != "" || \
98    ${SRCS:M*.cxx} != ""
99	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
100	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
101	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
102.endif
103.if ${SRCS:M*.m} != ""
104	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
105	    ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
106	    ${OBJCFLAGS:M-Wno-import*} \
107	    ${.ALLSRC:M*.m}
108.endif
109.if target(_EXTRADEPEND)
110${DEPENDFILE}: _EXTRADEPEND
111.ORDER: _MKDEP _EXTRADEPEND
112.endif
113
114.ORDER: ${DEPENDFILE} afterdepend
115.else
116depend: beforedepend afterdepend _SUBDIR
117.endif
118.if !target(beforedepend)
119beforedepend:
120.else
121.ORDER: beforedepend ${DEPENDFILE}
122.ORDER: beforedepend afterdepend
123.endif
124.if !target(afterdepend)
125afterdepend:
126.endif
127.endif
128
129.if defined(NOTAGS)
130tags:
131.endif
132
133.if !target(tags)
134tags: ${SRCS} _SUBDIR
135	@cd ${.CURDIR} && gtags ${GTAGSFLAGS} ${.OBJDIR}
136.if defined(HTML)
137	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
138.endif
139.endif
140
141.if !target(cleandepend)
142cleandepend: _SUBDIR
143.if defined(SRCS)
144	rm -f ${DEPENDFILE} ${.OBJDIR}/GPATH ${.OBJDIR}/GRTAGS \
145		${.OBJDIR}/GSYMS ${.OBJDIR}/GTAGS
146.if defined(HTML)
147	rm -rf ${.OBJDIR}/HTML
148.endif
149.endif
150.endif
151