FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
1 # $FreeBSD: src/sys/conf/kern.post.mk,v 1.103 2008/07/05 06:12:14 jb Exp $
2
3 # Part of a unified Makefile for building kernels. This part includes all
4 # the definitions that need to be after all the % directives except %RULES
5 # and ones that act like they are part of %RULES.
6 #
7 # Most make variables should not be defined in this file. Instead, they
8 # should be defined in the kern.pre.mk so that port makefiles can
9 # override or augment them.
10
11 # In case the config had a makeoptions DESTDIR...
12 .if defined(DESTDIR)
13 MKMODULESENV+= DESTDIR="${DESTDIR}"
14 .endif
15 MKMODULESENV+= KERNBUILDDIR="${.CURDIR}"
16
17 .MAIN: all
18
19 .for target in all clean cleandepend cleandir clobber depend install \
20 obj reinstall tags
21 ${target}: kernel-${target}
22 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
23 ${target}: modules-${target}
24 modules-${target}:
25 cd $S/modules; ${MKMODULESENV} ${MAKE} \
26 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/}
27 .endif
28 .endfor
29
30 # Handle out of tree ports
31 .if !defined(NO_MODULES) && defined(PORTS_MODULES)
32 SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;}
33 PORTSMODULESENV=SYSDIR=${SYSDIR}
34 .for __target in all install reinstall clean
35 ${__target}: ports-${__target}
36 ports-${__target}:
37 .for __i in ${PORTS_MODULES}
38 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
39 .endfor
40 .endfor
41 .endif
42
43 .ORDER: kernel-install modules-install
44
45 kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
46
47 kernel-cleandir: kernel-clean kernel-cleandepend
48
49 kernel-clobber:
50 find . -maxdepth 1 ! -type d ! -name version -delete
51
52 kernel-obj:
53
54 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
55 modules: modules-all
56
57 .if !defined(NO_MODULES_OBJ)
58 modules-all modules-depend: modules-obj
59 .endif
60 .endif
61
62 .if !defined(DEBUG)
63 FULLKERNEL= ${KERNEL_KO}
64 .else
65 FULLKERNEL= ${KERNEL_KO}.debug
66 ${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
67 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
68 ${FULLKERNEL} ${.TARGET}
69 ${KERNEL_KO}.symbols: ${FULLKERNEL}
70 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
71 install.debug reinstall.debug: gdbinit
72 cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
73
74 # Install gdbinit files for kernel debugging.
75 gdbinit:
76 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
77 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
78 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
79 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
80 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
81 ${.CURDIR}/gdbinit.machine
82 .endif
83 .endif
84
85 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
86 @rm -f ${.TARGET}
87 @echo linking ${.TARGET}
88 ${SYSTEM_LD}
89 .if defined(CTFMERGE)
90 ${SYSTEM_CTFMERGE}
91 .endif
92 .if !defined(DEBUG)
93 ${OBJCOPY} --strip-debug ${.TARGET}
94 .endif
95 ${SYSTEM_LD_TAIL}
96 .if defined(MFS_IMAGE)
97 @sh ${S}/tools/embed_mfs.sh ${FULLKERNEL} ${MFS_IMAGE}
98 .endif
99
100 .if !exists(${.OBJDIR}/.depend)
101 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
102 .endif
103
104 LNFILES= ${CFILES:T:S/.c$/.ln/}
105
106 .for mfile in ${MFILES}
107 # XXX the low quality .m.o rules gnerated by config are normally used
108 # instead of the .m.c rules here.
109 ${mfile:T:S/.m$/.c/}: ${mfile}
110 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
111 ${mfile:T:S/.m$/.h/}: ${mfile}
112 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
113 .endfor
114
115 kernel-clean:
116 rm -f *.o *.so *.So *.ko *.s eddep errs \
117 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
118 linterrs makelinks tags vers.c \
119 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
120 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
121 ${CLEAN}
122
123 lint: ${LNFILES}
124 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
125 tee -a linterrs
126
127 # This is a hack. BFD "optimizes" away dynamic mode if there are no
128 # dynamic references. We could probably do a '-Bforcedynamic' mode like
129 # in the a.out ld. For now, this works.
130 HACK_EXTRA_FLAGS?= -shared
131 hack.So: Makefile
132 :> hack.c
133 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
134 rm -f hack.c
135
136 # This rule stops ./assym.s in .depend from causing problems.
137 ./assym.s: assym.s
138
139 assym.s: $S/kern/genassym.sh genassym.o
140 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
141
142 genassym.o: $S/$M/$M/genassym.c
143 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
144
145 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
146
147 kernel-depend: .depend
148 # The argument list can be very long, so use make -V and xargs to
149 # pass it to mkdep.
150 SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
151 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
152 ${MFILES:T:S/.m$/.h/}
153 .depend: .PRECIOUS ${SRCS}
154 rm -f .newdep
155 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
156 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
157 ${MAKE} -V SFILES | \
158 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
159 rm -f .depend
160 mv .newdep .depend
161
162 _ILINKS= machine
163 .if ${MACHINE} != ${MACHINE_ARCH}
164 _ILINKS+= ${MACHINE_ARCH}
165 .endif
166
167 # Ensure that the link exists without depending on it when it exists.
168 .for _link in ${_ILINKS}
169 .if !exists(${.OBJDIR}/${_link})
170 ${SRCS}: ${_link}
171 .endif
172 .endfor
173
174 ${_ILINKS}:
175 @case ${.TARGET} in \
176 machine) \
177 path=${S}/${MACHINE}/include ;; \
178 ${MACHINE_ARCH}) \
179 path=${S}/${MACHINE_ARCH}/include ;; \
180 esac ; \
181 ${ECHO} ${.TARGET} "->" $$path ; \
182 ln -s $$path ${.TARGET}
183
184 # .depend needs include links so we remove them only together.
185 kernel-cleandepend:
186 rm -f .depend ${_ILINKS}
187
188 links:
189 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
190 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
191 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
192 sort -u | comm -23 - dontlink | \
193 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
194 sh makelinks; rm -f dontlink
195
196 kernel-tags:
197 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
198 sh $S/conf/systags.sh
199
200 kernel-install:
201 @if [ ! -f ${KERNEL_KO} ] ; then \
202 echo "You must build a kernel first." ; \
203 exit 1 ; \
204 fi
205 .if exists(${DESTDIR}${KODIR})
206 -thiskernel=`sysctl -n kern.bootfile` ; \
207 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
208 chflags -R noschg ${DESTDIR}${KODIR} ; \
209 rm -rf ${DESTDIR}${KODIR} ; \
210 else \
211 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
212 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
213 rm -rf ${DESTDIR}${KODIR}.old ; \
214 fi ; \
215 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
216 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
217 fi
218 .endif
219 mkdir -p ${DESTDIR}${KODIR}
220 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
221 .if defined(DEBUG) && !defined(INSTALL_NODEBUG)
222 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
223 .endif
224 .if defined(KERNEL_EXTRA_INSTALL)
225 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
226 .endif
227
228
229
230 kernel-reinstall:
231 @-chflags -R noschg ${DESTDIR}${KODIR}
232 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
233 .if defined(DEBUG) && !defined(INSTALL_NODEBUG)
234 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
235 .endif
236
237 config.o env.o hints.o vers.o vnode_if.o:
238 ${NORMAL_C}
239 .if defined(CTFCONVERT)
240 ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
241 .endif
242
243 config.ln env.ln hints.ln vers.ln vnode_if.ln:
244 ${NORMAL_LINT}
245
246 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
247 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
248
249 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
250 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
251
252 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
253 $S/kern/vnode_if.src
254 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
255 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
256 vnode_if_newproto.h:
257 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
258 vnode_if_typedef.h:
259 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
260
261 # XXX strictly, everything depends on Makefile because changes to ${PROF}
262 # only appear there, but we don't handle that.
263
264 .include "kern.mk"
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