3 # $Id: autodep.mk,v 1.34 2014/08/04 05:12:27 sjg Exp $
5 # @(#) Copyright (c) 1999-2010, Simon J. Gerraty
7 # This file is provided in the hope that it will
8 # be of use. There is absolutely NO WARRANTY.
9 # Permission to copy, redistribute or otherwise
10 # use this file is hereby granted provided that
11 # the above copyright notice and this notice are
14 # Please send copies of changes and bug-fixes to:
17 # This module provides automagic dependency generation along the
18 # lines suggested in the GNU make.info
19 # The depend target is mainly for backwards compatibility,
20 # dependencies are normally updated as part of compilation.
22 .if
!target
(__
${.PARSEFILE
}__
)
26 .for d in
${DEPENDFILE
:N.depend
}
27 # bmake only groks .depend
31 # it does nothing if SRCS is not defined or is empty
32 .if defined
(SRCS
) && !empty
(SRCS
)
34 __depsrcs
=${DEPSRCS
:M
*.c
}
35 __depsrcs
+=${DEPSRCS
:M
*.y
}
36 __depsrcs
+=${DEPSRCS
:M
*.l
}
37 __depsrcs
+=${DEPSRCS
:M
*.s
}
38 __depsrcs
+=${DEPSRCS
:M
*.S
}
39 __depsrcs
+=${DEPSRCS
:M
*.
cc}
40 __depsrcs
+=${DEPSRCS
:M
*.
cpp}
41 __depsrcs
+=${DEPSRCS
:M
*.C
}
42 __depsrcs
+=${DEPSRCS
:M
*.
cxx}
43 __depsrcs
+=${DEPSRCS
:M
*.
pc}
45 .for s in
${__depsrcs}
49 __depsrcs
:=${__depsrcs
:T
:R
:S
/$/.d
/g
}
50 # we also need to handle makefiles where the .d's from __depsrcs
51 # don't match those from OBJS
52 # we avoid using := here, since the modifier applied to OBJS
53 # can cause trouble if there are any undefined vars in OBJS.
54 __dependsrcsx?
= ${__depsrcs} ${OBJS
:S
/.o
/.d
/}
55 __dependsrcs
= ${__dependsrcsx
:O
:u
}
57 # clean up any .c files we may have generated
58 #__gensrcs:= ${DEPSRCS:M*.y} ${DEPSRCS:M*.l}
59 #CLEANFILES+= ${__gensrcs:T:R:S/$/.c/g}
61 # set this to -MMD to ignore /usr/include
62 # actually it ignores <> so may not be a great idea
64 # -MF etc not available on all gcc versions.
65 # we "fix" the .o later
66 CFLAGS_MF?
=-MF
${.TARGET
:T
:R
}.d
-MT
${.TARGET
:T
:R
}.o
67 CFLAGS
+= ${CFLAGS_MD} ${CFLAGS_MF}
70 # watch out for people who don't use CPPFLAGS
71 CPPFLAGS_MD
=${CFLAGS
:M-
[IUD
]*} ${CPPFLAGS}
72 CXXFLAGS_MD
=${CXXFLAGS
:M-
[IUD
]*} ${CPPFLAGS}
74 # just in case these need to be different
78 # so we can do an explicit make depend, but not otherwise
84 @echo updating dependencies for
$<
86 @
${SHELL} -ec
"${CC_MD} -M ${CPPFLAGS_MD} y.tab.c | sed '/:/s/^/$@ /' > $@" ||
{ ${RM} -f y.tab.c
$@
; false
; }
90 @echo updating dependencies for
$<
92 @
${SHELL} -ec
"${CC_MD} -M ${CPPFLAGS_MD} lex.yy.c | sed '/:/s/^/$@ /' > $@" ||
{ ${RM} -f
lex.yy.c
$@
; false
; }
96 @echo updating dependencies for
$<
97 @
${SHELL} -ec
"${CC_MD} -M ${CPPFLAGS_MD} $< | sed '/:/s/^/$@ /' > $@" ||
{ ${RM} -f
$@
; false
; }
100 @echo updating dependencies for
$<
101 @
${SHELL} -ec
"${CC_MD} -M ${CPPFLAGS_MD} ${AINC} $< | sed '/:/s/^/$@ /' > $@" ||
{ ${RM} -f
$@
; false
; }
103 .
cc.d .
cpp.d .C.d .
cxx.d
:
104 @echo updating dependencies for
$<
105 @
${SHELL} -ec
"${CXX_MD} -M ${CXXFLAGS_MD} $< | sed '/:/s/^/$@ /' > $@" ||
{ ${RM} -f
$@
; false
; }
109 ${CC_MD} ${CFLAGS_MD
:S
/D
//} ${CPPFLAGS_MD} y.tab.c
> $@ ||
{ ${RM} -f y.tab.c
$@
; false
; }
114 ${CC_MD} ${CFLAGS_MD
:S
/D
//} ${CPPFLAGS_MD} lex.yy.c
> $@ ||
{ ${RM} -f
lex.yy.c
$@
; false
; }
118 ${CC_MD} ${CFLAGS_MD
:S
/D
//} ${CPPFLAGS_MD} $< > $@ ||
{ ${RM} -f
$@
; false
; }
121 ${CC_MD} ${CFLAGS_MD
:S
/D
//} ${CPPFLAGS_MD} ${AINC} $< > $@ ||
{ ${RM} -f
$@
; false
; }
123 .
cc.d .
cpp.d .C.d .
cxx.d
:
124 ${CXX_MD} ${CFLAGS_MD
:S
/D
//} ${CXXFLAGS_MD} $< > $@ ||
{ ${RM} -f
$@
; false
; }
128 depend
: beforedepend
${DEPENDFILE} afterdepend _SUBDIRUSE
130 ${DEPENDFILE}: ${DEPSRCS} ${__dependsrcs}
131 .NOPATH
: ${__dependsrcs}
132 .OPTIONAL
: ${__dependsrcs}
134 .
endif # make(depend)
137 # make sure the .d's are generated/updated
138 ${PROG} ${_LIBS}: ${DEPENDFILE}
141 .ORDER
: beforedepend
${DEPENDFILE} afterdepend
143 .if
${.OBJDIR
} != ${.CURDIR
}
146 __depfiles
= ${__dependsrcs}
149 DEPCLEANFILES
= ${DEPENDFILE} ${__depfiles} y.tab.d
*.tmp.d
151 cleandir
: cleanautodepend
153 ${RM} -f
${DEPCLEANFILES}
155 CLEANFILES
+= ${DEPCLEANFILES}
157 .if defined
(__dependsrcs
) && !empty
(__dependsrcs
)
158 .if make
(depend
) ||
!(make
(clean*) || make
(destroy
*) || make
(obj
) || make
(*install) || make
(install-
*))
159 # this ensures we do the right thing if only building a shared or
161 OBJ_EXTENSIONS?
=.o .po .so .So
162 MDLIB_SED
= -e
'/:/s,^\([^\.:]*\)\.[psS]*o,${OBJ_EXTENSIONS:S,^,\1,},'
165 MD_SED
=sed
${MDLIB_SED}
170 # arrange to put some variable names into ${DEPENDFILE}
172 MD_SED
=sed
${MDLIB_SED}
176 SUBST_DEPVARS
+= SB TOP BACKING SRC SRCDIR BASE BASEDIR
177 .for v in
${SUBST_DEPVARS}
178 .if defined
(${v}) && !empty
(${v})
179 MD_SED
+= -e
's,${$v},$${$v},'
183 .if
(${MD_SED} == "sed")
187 # this will be done whenever make finishes successfully
188 .if
${MAKE_VERSION
:U0
:[1]:C
/.
*-//} < 20050530
192 # we do not want to trigger building .d's just use them if they exist
193 ${DEPENDFILE}: ${__dependsrcs
:@d@
${exists
($d):?
$d:}@
}
195 -@
${MD_SED} ${__depfiles} > ${DEPENDFILE}.new
2> /dev
/null
&& \
196 test -s
${DEPENDFILE}.new
&& mv
${DEPENDFILE}.new
${DEPENDFILE}; \
197 ${RM} -f
${DEPENDFILE}.new
201 depend
: beforedepend afterdepend _SUBDIRUSE
204 .if
!target
(beforedepend
)
207 .if
!target
(afterdepend
)