FreeBSD/Linux Kernel Cross Reference
sys/conf/kern.post.mk
1 # $FreeBSD$
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 $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/}
39 .endfor
40 .endfor
41 .endif
42
43 .ORDER: kernel-install modules-install
44
45 kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA}
46
47 kernel-cleandir: kernel-clean kernel-cleandepend
48
49 kernel-clobber:
50 find . -maxdepth 1 ! -type d ! -name version -delete
51
52 kernel-obj:
53
54 .if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules)
55 modules: modules-all
56
57 .if !defined(NO_MODULES_OBJ)
58 modules-all modules-depend: modules-obj
59 .endif
60 .endif
61
62 .if !defined(DEBUG)
63 FULLKERNEL= ${KERNEL_KO}
64 .else
65 FULLKERNEL= ${KERNEL_KO}.debug
66 ${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.symbols
67 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.symbols\
68 ${FULLKERNEL} ${.TARGET}
69 ${KERNEL_KO}.symbols: ${FULLKERNEL}
70 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET}
71 install.debug reinstall.debug: gdbinit
72 cd ${.CURDIR}; ${MAKE} ${.TARGET:R}
73
74 # Install gdbinit files for kernel debugging.
75 gdbinit:
76 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \
77 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit
78 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR}
79 .if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH})
80 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_ARCH} \
81 ${.CURDIR}/gdbinit.machine
82 .endif
83 .endif
84
85 ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
86 @rm -f ${.TARGET}
87 @echo linking ${.TARGET}
88 ${SYSTEM_LD}
89 .if defined(CTFMERGE)
90 ${SYSTEM_CTFMERGE}
91 .endif
92 .if !defined(DEBUG)
93 ${OBJCOPY} --strip-debug ${.TARGET}
94 .endif
95 ${SYSTEM_LD_TAIL}
96 .if defined(MFS_IMAGE)
97 @dd if="${MFS_IMAGE}" ibs=8192 of="${FULLKERNEL}" \
98 obs=`strings -at d "${FULLKERNEL}" | \
99 grep "MFS Filesystem goes here" | awk '{print $$1}'` \
100 oseek=1 conv=notrunc 2>/dev/null && \
101 strings ${FULLKERNEL} | \
102 grep 'MFS Filesystem had better STOP here' > /dev/null || \
103 (rm ${FULLKERNEL} && echo 'MFS image too large' && false)
104 .endif
105
106 .if !exists(${.OBJDIR}/.depend)
107 ${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/}
108 .endif
109
110 LNFILES= ${CFILES:T:S/.c$/.ln/}
111
112 .for mfile in ${MFILES}
113 # XXX the low quality .m.o rules gnerated by config are normally used
114 # instead of the .m.c rules here.
115 ${mfile:T:S/.m$/.c/}: ${mfile}
116 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c
117 ${mfile:T:S/.m$/.h/}: ${mfile}
118 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h
119 .endfor
120
121 kernel-clean:
122 rm -f *.o *.so *.So *.ko *.s eddep errs \
123 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.symbols \
124 linterrs makelinks tags vers.c \
125 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
126 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
127 ${CLEAN}
128
129 lint: ${LNFILES}
130 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
131 tee -a linterrs
132
133 # This is a hack. BFD "optimizes" away dynamic mode if there are no
134 # dynamic references. We could probably do a '-Bforcedynamic' mode like
135 # in the a.out ld. For now, this works.
136 HACK_EXTRA_FLAGS?= -shared
137 hack.So: Makefile
138 :> hack.c
139 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So
140 rm -f hack.c
141
142 # This rule stops ./assym.s in .depend from causing problems.
143 ./assym.s: assym.s
144
145 assym.s: $S/kern/genassym.sh genassym.o
146 NM='${NM}' sh $S/kern/genassym.sh genassym.o > ${.TARGET}
147
148 genassym.o: $S/$M/$M/genassym.c
149 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c
150
151 ${SYSTEM_OBJS} genassym.o vers.o: opt_global.h
152
153 kernel-depend: .depend
154 # The argument list can be very long, so use make -V and xargs to
155 # pass it to mkdep.
156 SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \
157 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \
158 ${MFILES:T:S/.m$/.h/}
159 .depend: .PRECIOUS ${SRCS}
160 rm -f .newdep
161 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | \
162 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS}
163 ${MAKE} -V SFILES | \
164 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS}
165 rm -f .depend
166 mv .newdep .depend
167
168 _ILINKS= machine
169 .if ${MACHINE} != ${MACHINE_ARCH}
170 _ILINKS+= ${MACHINE_ARCH}
171 .endif
172
173 # Ensure that the link exists without depending on it when it exists.
174 .for _link in ${_ILINKS}
175 .if !exists(${.OBJDIR}/${_link})
176 ${SRCS}: ${_link}
177 .endif
178 .endfor
179
180 ${_ILINKS}:
181 @case ${.TARGET} in \
182 machine) \
183 path=${S}/${MACHINE}/include ;; \
184 ${MACHINE_ARCH}) \
185 path=${S}/${MACHINE_ARCH}/include ;; \
186 esac ; \
187 ${ECHO} ${.TARGET} "->" $$path ; \
188 ln -s $$path ${.TARGET}
189
190 # .depend needs include links so we remove them only together.
191 kernel-cleandepend:
192 rm -f .depend ${_ILINKS}
193
194 links:
195 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
196 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
197 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
198 sort -u | comm -23 - dontlink | \
199 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
200 sh makelinks; rm -f dontlink
201
202 kernel-tags:
203 @[ -f .depend ] || { echo "you must make depend first"; exit 1; }
204 sh $S/conf/systags.sh
205
206 kernel-install:
207 @if [ ! -f ${KERNEL_KO} ] ; then \
208 echo "You must build a kernel first." ; \
209 exit 1 ; \
210 fi
211 .if exists(${DESTDIR}${KODIR})
212 -thiskernel=`sysctl -n kern.bootfile` ; \
213 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \
214 chflags -R noschg ${DESTDIR}${KODIR} ; \
215 rm -rf ${DESTDIR}${KODIR} ; \
216 else \
217 if [ -d ${DESTDIR}${KODIR}.old ] ; then \
218 chflags -R noschg ${DESTDIR}${KODIR}.old ; \
219 rm -rf ${DESTDIR}${KODIR}.old ; \
220 fi ; \
221 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \
222 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \
223 fi
224 .endif
225 mkdir -p ${DESTDIR}${KODIR}
226 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
227 .if defined(DEBUG) && !defined(INSTALL_NODEBUG)
228 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
229 .endif
230 .if defined(KERNEL_EXTRA_INSTALL)
231 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}
232 .endif
233
234
235
236 kernel-reinstall:
237 @-chflags -R noschg ${DESTDIR}${KODIR}
238 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO} ${DESTDIR}${KODIR}
239 .if defined(DEBUG) && !defined(INSTALL_NODEBUG)
240 ${INSTALL} -p -m 555 -o root -g wheel ${KERNEL_KO}.symbols ${DESTDIR}${KODIR}
241 .endif
242
243 config.o env.o hints.o vers.o vnode_if.o:
244 ${NORMAL_C}
245
246 config.ln env.ln hints.ln vers.ln vnode_if.ln:
247 ${NORMAL_LINT}
248
249 vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP}
250 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT}
251
252 vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src
253 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c
254
255 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
256 $S/kern/vnode_if.src
257 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
258 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
259 vnode_if_newproto.h:
260 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
261 vnode_if_typedef.h:
262 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
263
264 # XXX strictly, everything depends on Makefile because changes to ${PROF}
265 # only appear there, but we don't handle that.
266
267 .include "kern.mk"
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