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/share/mk/bsd.dep.mk

https://bitbucket.org/freebsd/freebsd-head/
Makefile | 192 lines | 133 code | 15 blank | 44 comment | 14 complexity | adbb9973b4fa692a3e8928a896342f61 MD5 | raw file
  1# $FreeBSD$
  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(NO_TAGS)
 60tags: ${SRCS}
 61.if ${CTAGS:T} == "gtags"
 62	@cd ${.CURDIR} && ${CTAGS} ${GTAGSFLAGS} ${.OBJDIR}
 63.if defined(HTML)
 64	@cd ${.CURDIR} && htags ${HTAGSFLAGS} -d ${.OBJDIR} ${.OBJDIR}
 65.endif
 66.else
 67	@${CTAGS} ${CTAGSFLAGS} -f /dev/stdout \
 68	    ${.ALLSRC:N*.h} | sed "s;${.CURDIR}/;;" > ${.TARGET}
 69.endif
 70.endif
 71
 72.if defined(SRCS)
 73CLEANFILES?=
 74
 75.if !exists(${.OBJDIR}/${DEPENDFILE})
 76.for _S in ${SRCS:N*.[hly]}
 77${_S:R}.o: ${_S}
 78.endfor
 79.endif
 80
 81.for _LSRC in ${SRCS:M*.l:N*/*}
 82.for _LC in ${_LSRC:R}.c
 83${_LC}: ${_LSRC}
 84	${LEX} -t ${LFLAGS} ${.ALLSRC} > ${.TARGET}
 85.if !exists(${.OBJDIR}/${DEPENDFILE})
 86${_LC:R}.o: ${_LC}
 87.endif
 88SRCS:=	${SRCS:S/${_LSRC}/${_LC}/}
 89CLEANFILES+= ${_LC}
 90.endfor
 91.endfor
 92
 93.for _YSRC in ${SRCS:M*.y:N*/*}
 94.for _YC in ${_YSRC:R}.c
 95SRCS:=	${SRCS:S/${_YSRC}/${_YC}/}
 96CLEANFILES+= ${_YC}
 97.if !empty(YFLAGS:M-d) && !empty(SRCS:My.tab.h)
 98.ORDER: ${_YC} y.tab.h
 99${_YC} y.tab.h: ${_YSRC}
100	${YACC} ${YFLAGS} ${.ALLSRC}
101	cp y.tab.c ${_YC}
102CLEANFILES+= y.tab.c y.tab.h
103.elif !empty(YFLAGS:M-d)
104.for _YH in ${_YC:R}.h
105${_YH}: ${_YC}
106${_YC}: ${_YSRC}
107	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
108SRCS+=	${_YH}
109CLEANFILES+= ${_YH}
110.endfor
111.else
112${_YC}: ${_YSRC}
113	${YACC} ${YFLAGS} -o ${_YC} ${.ALLSRC}
114.endif
115.if !exists(${.OBJDIR}/${DEPENDFILE})
116${_YC:R}.o: ${_YC}
117.endif
118.endfor
119.endfor
120.endif
121
122.if !target(depend)
123.if defined(SRCS)
124depend: beforedepend ${DEPENDFILE} afterdepend
125
126# Tell bmake not to look for generated files via .PATH
127.NOPATH: ${DEPENDFILE}
128
129# Different types of sources are compiled with slightly different flags.
130# Split up the sources, and filter out headers and non-applicable flags.
131MKDEP_CFLAGS=	${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BIDU]*} ${CFLAGS:M-std=*} \
132		${CFLAGS:M-ansi}
133MKDEP_CXXFLAGS=	${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BIDU]*} \
134		${CXXFLAGS:M-std=*} ${CXXFLAGS:M-ansi} ${CXXFLAGS:M-stdlib=*}
135
136DPSRCS+= ${SRCS}
137${DEPENDFILE}: ${DPSRCS}
138	rm -f ${DEPENDFILE}
139.if !empty(DPSRCS:M*.[cS])
140	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
141	    ${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]}
142.endif
143.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \
144    !empty(DPSRCS:M*.cxx)
145	${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
146	    ${MKDEP_CXXFLAGS} \
147	    ${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
148.endif
149.if target(_EXTRADEPEND)
150_EXTRADEPEND: .USE
151${DEPENDFILE}: _EXTRADEPEND
152.endif
153
154.ORDER: ${DEPENDFILE} afterdepend
155.else
156depend: beforedepend afterdepend
157.endif
158.if !target(beforedepend)
159beforedepend:
160.else
161.ORDER: beforedepend ${DEPENDFILE}
162.ORDER: beforedepend afterdepend
163.endif
164.if !target(afterdepend)
165afterdepend:
166.endif
167.endif
168
169.if !target(cleandepend)
170cleandepend:
171.if defined(SRCS)
172.if ${CTAGS:T} == "gtags"
173	rm -f ${DEPENDFILE} GPATH GRTAGS GSYMS GTAGS
174.if defined(HTML)
175	rm -rf HTML
176.endif
177.else
178	rm -f ${DEPENDFILE} tags
179.endif
180.endif
181.endif
182
183.if !target(checkdpadd) && (defined(DPADD) || defined(LDADD))
184_LDADD_FROM_DPADD=	${DPADD:C;^/usr/lib/lib(.*)\.a$;-l\1;}
185_LDADD_CANONICALIZED=	${LDADD:S/$//}
186checkdpadd:
187.if ${_LDADD_FROM_DPADD} != ${_LDADD_CANONICALIZED}
188	@echo ${.CURDIR}
189	@echo "DPADD -> ${_LDADD_FROM_DPADD}"
190	@echo "LDADD -> ${_LDADD_CANONICALIZED}"
191.endif
192.endif