bsd.dep.mk revision 99344 
1# $FreeBSD: head/share/mk/bsd.dep.mk 99344 2002-07-03 12:44:06Z 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.if !target(__<bsd.init.mk>__)
31.error bsd.dep.mk cannot be included directly.
32.endif
33
34.if ${CC} != "cc"
35MKDEPCMD?=	CC='${CC}' mkdep
36.else
37MKDEPCMD?=	mkdep
38.endif
39DEPENDFILE?=	.depend
40
41.if defined(SRCS)
42CLEANFILES?=
43
44.for _LSRC in ${SRCS:M*.l:N*/*}
45.for _LC in ${_LSRC:S/.l/.c/}
46${_LC}: ${_LSRC}
47	${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
48SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
49CLEANFILES:= ${CLEANFILES} ${_LC}
50.endfor
51.endfor
52
53.for _YSRC in ${SRCS:M*.y:N*/*}
54.for _YC in ${_YSRC:S/.y/.c/}
55SRCS:=	${SRCS:S/${_YSRC}/${_YC}/}
56CLEANFILES:= ${CLEANFILES} ${_YC}
57.if ${YFLAGS:M-d} != "" && ${SRCS:My.tab.h}
58.ORDER: ${_YC} y.tab.h
59${_YC} y.tab.h: ${_YSRC}
60	${YACC} ${YFLAGS} ${.ALLSRC}
61	cp y.tab.c ${_YC}
62SRCS:=	${SRCS} y.tab.h
63CLEANFILES:= ${CLEANFILES} y.tab.c y.tab.h
64.elif ${YFLAGS:M-d} != ""
65.for _YH in ${_YC:S/.c/.h/}
66.ORDER: ${_YC} ${_YH}
67${_YC} ${_YH}: ${_YSRC}
68	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
69SRCS:=	${SRCS} ${_YH}
70CLEANFILES:= ${CLEANFILES} ${_YH}
71.endfor
72.else
73${_YC}: ${_YSRC}
74	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
75.endif
76.endfor
77.endfor
78.endif
79
80.if !target(depend)
81.if defined(SRCS)
82depend: beforedepend ${DEPENDFILE} afterdepend
83
84# Different types of sources are compiled with slightly different flags.
85# Split up the sources, and filter out headers and non-applicable flags.
86${DEPENDFILE}: ${SRCS}
87	rm -f ${DEPENDFILE}
88.if ${SRCS:M*.[sS]} != ""
89	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
90	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
91	    ${AINC} \
92	    ${.ALLSRC:M*.[sS]}
93.endif
94.if ${SRCS:M*.c} != ""
95	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
96	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
97	    ${.ALLSRC:M*.c}
98.endif
99.if ${SRCS:M*.cc} != "" || ${SRCS:M*.C} != "" || ${SRCS:M*.cpp} != "" || \
100    ${SRCS:M*.cxx} != ""
101	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
102	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
103	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
104.endif
105.if ${SRCS:M*.m} != ""
106	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
107	    ${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
108	    ${OBJCFLAGS:M-Wno-import*} \
109	    ${.ALLSRC:M*.m}
110.endif
111.if target(_EXTRADEPEND)
112_EXTRADEPEND: .USE
113${DEPENDFILE}: _EXTRADEPEND
114.endif
115
116.ORDER: ${DEPENDFILE} afterdepend
117.else
118depend: beforedepend afterdepend
119.endif
120.if !target(beforedepend)
121beforedepend:
122.else
123.ORDER: beforedepend ${DEPENDFILE}
124.ORDER: beforedepend afterdepend
125.endif
126.if !target(afterdepend)
127afterdepend:
128.endif
129.endif
130
131.if defined(NOTAGS)
132tags:
133.endif
134
135.if !target(tags)
136tags: ${SRCS}
137	@cd ${.CURDIR} && gtags ${GTAGSFLAGS} ${.OBJDIR}
138.if defined(HTML)
139	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
140.endif
141.endif
142
143.if !target(cleandepend)
144cleandepend:
145.if defined(SRCS)
146	rm -f ${DEPENDFILE} ${.OBJDIR}/GPATH ${.OBJDIR}/GRTAGS \
147		${.OBJDIR}/GSYMS ${.OBJDIR}/GTAGS
148.if defined(HTML)
149	rm -rf ${.OBJDIR}/HTML
150.endif
151.endif
152.endif
153
154.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
155checkdpadd:
156.if ${OBJFORMAT} != aout
157	@ldadd=`echo \`for lib in ${DPADD} ; do \
158		echo $$lib | sed 's;^/usr/lib/lib\(.*\)\.a;-l\1;' ; \
159	done \`` ; \
160	ldadd1=`echo ${LDADD}` ; \
161	if [ "$$ldadd" != "$$ldadd1" ] ; then \
162		echo ${.CURDIR} ; \
163		echo "DPADD -> $$ldadd" ; \
164		echo "LDADD -> $$ldadd1" ; \
165	fi
166.else
167	@dpadd=`echo \`ld -Bstatic -f ${LDADD}\`` ; \
168	if [ "$$dpadd" != "${DPADD}" ] ; then \
169		echo ${.CURDIR} ; \
170		echo "LDADD -> $$dpadd" ; \
171		echo "DPADD =  ${DPADD}" ; \
172	fi
173.endif
174.endif
175