bsd.dep.mk revision 34829 
1#	$Id: bsd.dep.mk,v 1.18 1998/03/07 13:57:37 bde Exp $
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
31MKDEPCMD?=	mkdep
32DEPENDFILE?=	.depend
33
34.if !target(depend)
35.if defined(SRCS)
36depend: beforedepend ${DEPENDFILE} afterdepend _SUBDIR
37
38# Different types of sources are compiled with slightly different flags.
39# Split up the sources, and filter out headers and non-applicable flags.
40${DEPENDFILE}: ${SRCS}
41	rm -f ${DEPENDFILE}
42.if ${SRCS:M*.[sS]} != ""
43	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
44	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
45	    ${AINC} \
46	    ${.ALLSRC:M*.[sS]}
47.endif
48.if ${SRCS:M*.c} != ""
49	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
50	    ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
51	    ${.ALLSRC:M*.c}
52.endif
53.if ${SRCS:M*.cc} != "" || ${SRCS:M*.C} != "" || ${SRCS:M*.cxx} != ""
54	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
55	    ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
56	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cxx}
57.endif
58.if target(_EXTRADEPEND)
59	cd ${.CURDIR}; ${MAKE} _EXTRADEPEND
60.endif
61
62.ORDER: ${DEPENDFILE} afterdepend
63.else
64depend: beforedepend afterdepend _SUBDIR
65.endif
66.if !target(beforedepend)
67beforedepend:
68.else
69.ORDER: beforedepend ${DEPENDFILE}
70.ORDER: beforedepend afterdepend
71.endif
72.if !target(afterdepend)
73afterdepend:
74.endif
75.endif
76
77.if defined(NOTAGS)
78tags:
79.endif
80
81.if !target(tags)
82tags: ${SRCS} _SUBDIR
83	@cd ${.CURDIR} && gtags ${GTAGSFLAGS} ${.OBJDIR}
84.if defined(HTML)
85	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
86.endif
87.endif
88
89.if !target(cleandepend)
90cleandepend: _SUBDIR
91.if defined(SRCS)
92	rm -f ${DEPENDFILE} ${.OBJDIR}/GRTAGS ${.OBJDIR}/GSYMS ${.OBJDIR}/GTAGS
93.if defined(HTML)
94	rm -rf ${.OBJDIR}/HTML
95.endif
96.endif
97.endif
98
99_SUBDIR: .USE
100.if defined(SUBDIR) && !empty(SUBDIR)
101	@for entry in ${SUBDIR}; do \
102		(${ECHODIR} "===> ${DIRPRFX}$$entry"; \
103		if test -d ${.CURDIR}/$${entry}.${MACHINE}; then \
104			cd ${.CURDIR}/$${entry}.${MACHINE}; \
105		else \
106			cd ${.CURDIR}/$${entry}; \
107		fi; \
108		${MAKE} ${.TARGET:S/realinstall/install/:S/.depend/depend/} DIRPRFX=${DIRPRFX}$$entry/); \
109	done
110.endif
111